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Merge pull request #59 from stevvooe/use-godep-for-dependencies

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Use Godep to vendor distribution dependencies
This commit is contained in:
Stephen Day 2015-01-14 12:13:25 -08:00
commit d64e70b0e1
344 changed files with 63493 additions and 2 deletions
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95
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{
"ImportPath": "github.com/docker/distribution",
"GoVersion": "go1.4",
"Packages": [
"./..."
],
"Deps": [
{
"ImportPath": "code.google.com/p/go-uuid/uuid",
"Comment": "null-12",
"Rev": "7dda39b2e7d5e265014674c5af696ba4186679e9"
},
{
"ImportPath": "github.com/Sirupsen/logrus",
"Comment": "v0.6.1-8-gcc09837",
"Rev": "cc09837bcd512ffe6bb2e3f635bed138c4cd6bc8"
},
{
"ImportPath": "github.com/bugsnag/bugsnag-go",
"Comment": "v1.0.2-5-gb1d1530",
"Rev": "b1d153021fcd90ca3f080db36bec96dc690fb274"
},
{
"ImportPath": "github.com/bugsnag/osext",
"Rev": "0dd3f918b21bec95ace9dc86c7e70266cfc5c702"
},
{
"ImportPath": "github.com/bugsnag/panicwrap",
"Rev": "e5f9854865b9778a45169fc249e99e338d4d6f27"
},
{
"ImportPath": "github.com/crowdmob/goamz/aws",
"Rev": "cd22d9897beff6f3de22cec4bdb7d46b9e2dee67"
},
{
"ImportPath": "github.com/crowdmob/goamz/cloudfront",
"Rev": "cd22d9897beff6f3de22cec4bdb7d46b9e2dee67"
},
{
"ImportPath": "github.com/crowdmob/goamz/s3",
"Rev": "cd22d9897beff6f3de22cec4bdb7d46b9e2dee67"
},
{
"ImportPath": "github.com/docker/docker/pkg/tarsum",
"Comment": "v1.4.1-330-g3fbf723",
"Rev": "3fbf723e81fa2696daa95847ccdcacddba6484da"
},
{
"ImportPath": "github.com/docker/docker/vendor/src/code.google.com/p/go/src/pkg/archive/tar",
"Comment": "v1.4.1-330-g3fbf723",
"Rev": "3fbf723e81fa2696daa95847ccdcacddba6484da"
},
{
"ImportPath": "github.com/docker/libtrust",
"Rev": "a9625ce37e2dc5fed2e51eec2d39c39e4ac4c1df"
},
{
"ImportPath": "github.com/gorilla/context",
"Rev": "14f550f51af52180c2eefed15e5fd18d63c0a64a"
},
{
"ImportPath": "github.com/gorilla/handlers",
"Rev": "0e84b7d810c16aed432217e330206be156bafae0"
},
{
"ImportPath": "github.com/gorilla/mux",
"Rev": "e444e69cbd2e2e3e0749a2f3c717cec491552bbf"
},
{
"ImportPath": "github.com/yvasiyarov/go-metrics",
"Rev": "57bccd1ccd43f94bb17fdd8bf3007059b802f85e"
},
{
"ImportPath": "github.com/yvasiyarov/gorelic",
"Comment": "v0.0.6-8-ga9bba5b",
"Rev": "a9bba5b9ab508a086f9a12b8c51fab68478e2128"
},
{
"ImportPath": "github.com/yvasiyarov/newrelic_platform_go",
"Rev": "b21fdbd4370f3717f3bbd2bf41c223bc273068e6"
},
{
"ImportPath": "gopkg.in/BrianBland/yaml.v2",
"Rev": "3e92d6a11b92fa4612d66712704844bdc0c48aed"
},
{
"ImportPath": "gopkg.in/check.v1",
"Rev": "64131543e7896d5bcc6bd5a76287eb75ea96c673"
},
{
"ImportPath": "gopkg.in/yaml.v2",
"Rev": "d466437aa4adc35830964cffc5b5f262c63ddcb4"
}
]
}

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This directory tree is generated automatically by godep.
Please do not edit.
See https://github.com/tools/godep for more information.

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/pkg
/bin

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Copyright (c) 2009 Google Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"encoding/binary"
"fmt"
"os"
)
// A Domain represents a Version 2 domain
type Domain byte
// Domain constants for DCE Security (Version 2) UUIDs.
const (
Person = Domain(0)
Group = Domain(1)
Org = Domain(2)
)
// NewDCESecurity returns a DCE Security (Version 2) UUID.
//
// The domain should be one of Person, Group or Org.
// On a POSIX system the id should be the users UID for the Person
// domain and the users GID for the Group. The meaning of id for
// the domain Org or on non-POSIX systems is site defined.
//
// For a given domain/id pair the same token may be returned for up to
// 7 minutes and 10 seconds.
func NewDCESecurity(domain Domain, id uint32) UUID {
uuid := NewUUID()
if uuid != nil {
uuid[6] = (uuid[6] & 0x0f) | 0x20 // Version 2
uuid[9] = byte(domain)
binary.BigEndian.PutUint32(uuid[0:], id)
}
return uuid
}
// NewDCEPerson returns a DCE Security (Version 2) UUID in the person
// domain with the id returned by os.Getuid.
//
// NewDCEPerson(Person, uint32(os.Getuid()))
func NewDCEPerson() UUID {
return NewDCESecurity(Person, uint32(os.Getuid()))
}
// NewDCEGroup returns a DCE Security (Version 2) UUID in the group
// domain with the id returned by os.Getgid.
//
// NewDCEGroup(Group, uint32(os.Getgid()))
func NewDCEGroup() UUID {
return NewDCESecurity(Group, uint32(os.Getgid()))
}
// Domain returns the domain for a Version 2 UUID or false.
func (uuid UUID) Domain() (Domain, bool) {
if v, _ := uuid.Version(); v != 2 {
return 0, false
}
return Domain(uuid[9]), true
}
// Id returns the id for a Version 2 UUID or false.
func (uuid UUID) Id() (uint32, bool) {
if v, _ := uuid.Version(); v != 2 {
return 0, false
}
return binary.BigEndian.Uint32(uuid[0:4]), true
}
func (d Domain) String() string {
switch d {
case Person:
return "Person"
case Group:
return "Group"
case Org:
return "Org"
}
return fmt.Sprintf("Domain%d", int(d))
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// The uuid package generates and inspects UUIDs.
//
// UUIDs are based on RFC 4122 and DCE 1.1: Authentication and Security Services.
package uuid

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"crypto/md5"
"crypto/sha1"
"hash"
)
// Well known Name Space IDs and UUIDs
var (
NameSpace_DNS = Parse("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
NameSpace_URL = Parse("6ba7b811-9dad-11d1-80b4-00c04fd430c8")
NameSpace_OID = Parse("6ba7b812-9dad-11d1-80b4-00c04fd430c8")
NameSpace_X500 = Parse("6ba7b814-9dad-11d1-80b4-00c04fd430c8")
NIL = Parse("00000000-0000-0000-0000-000000000000")
)
// NewHash returns a new UUID dervied from the hash of space concatenated with
// data generated by h. The hash should be at least 16 byte in length. The
// first 16 bytes of the hash are used to form the UUID. The version of the
// UUID will be the lower 4 bits of version. NewHash is used to implement
// NewMD5 and NewSHA1.
func NewHash(h hash.Hash, space UUID, data []byte, version int) UUID {
h.Reset()
h.Write(space)
h.Write([]byte(data))
s := h.Sum(nil)
uuid := make([]byte, 16)
copy(uuid, s)
uuid[6] = (uuid[6] & 0x0f) | uint8((version&0xf)<<4)
uuid[8] = (uuid[8] & 0x3f) | 0x80 // RFC 4122 variant
return uuid
}
// NewMD5 returns a new MD5 (Version 3) UUID based on the
// supplied name space and data.
//
// NewHash(md5.New(), space, data, 3)
func NewMD5(space UUID, data []byte) UUID {
return NewHash(md5.New(), space, data, 3)
}
// NewSHA1 returns a new SHA1 (Version 5) UUID based on the
// supplied name space and data.
//
// NewHash(sha1.New(), space, data, 5)
func NewSHA1(space UUID, data []byte) UUID {
return NewHash(sha1.New(), space, data, 5)
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import "net"
var (
interfaces []net.Interface // cached list of interfaces
ifname string // name of interface being used
nodeID []byte // hardware for version 1 UUIDs
)
// NodeInterface returns the name of the interface from which the NodeID was
// derived. The interface "user" is returned if the NodeID was set by
// SetNodeID.
func NodeInterface() string {
return ifname
}
// SetNodeInterface selects the hardware address to be used for Version 1 UUIDs.
// If name is "" then the first usable interface found will be used or a random
// Node ID will be generated. If a named interface cannot be found then false
// is returned.
//
// SetNodeInterface never fails when name is "".
func SetNodeInterface(name string) bool {
if interfaces == nil {
var err error
interfaces, err = net.Interfaces()
if err != nil && name != "" {
return false
}
}
for _, ifs := range interfaces {
if len(ifs.HardwareAddr) >= 6 && (name == "" || name == ifs.Name) {
if setNodeID(ifs.HardwareAddr) {
ifname = ifs.Name
return true
}
}
}
// We found no interfaces with a valid hardware address. If name
// does not specify a specific interface generate a random Node ID
// (section 4.1.6)
if name == "" {
if nodeID == nil {
nodeID = make([]byte, 6)
}
randomBits(nodeID)
return true
}
return false
}
// NodeID returns a slice of a copy of the current Node ID, setting the Node ID
// if not already set.
func NodeID() []byte {
if nodeID == nil {
SetNodeInterface("")
}
nid := make([]byte, 6)
copy(nid, nodeID)
return nid
}
// SetNodeID sets the Node ID to be used for Version 1 UUIDs. The first 6 bytes
// of id are used. If id is less than 6 bytes then false is returned and the
// Node ID is not set.
func SetNodeID(id []byte) bool {
if setNodeID(id) {
ifname = "user"
return true
}
return false
}
func setNodeID(id []byte) bool {
if len(id) < 6 {
return false
}
if nodeID == nil {
nodeID = make([]byte, 6)
}
copy(nodeID, id)
return true
}
// NodeID returns the 6 byte node id encoded in uuid. It returns nil if uuid is
// not valid. The NodeID is only well defined for version 1 and 2 UUIDs.
func (uuid UUID) NodeID() []byte {
if len(uuid) != 16 {
return nil
}
node := make([]byte, 6)
copy(node, uuid[10:])
return node
}

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// Copyright 2014 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"encoding/binary"
"sync"
"time"
)
// A Time represents a time as the number of 100's of nanoseconds since 15 Oct
// 1582.
type Time int64
const (
lillian = 2299160 // Julian day of 15 Oct 1582
unix = 2440587 // Julian day of 1 Jan 1970
epoch = unix - lillian // Days between epochs
g1582 = epoch * 86400 // seconds between epochs
g1582ns100 = g1582 * 10000000 // 100s of a nanoseconds between epochs
)
var (
mu sync.Mutex
lasttime uint64 // last time we returned
clock_seq uint16 // clock sequence for this run
timeNow = time.Now // for testing
)
// UnixTime converts t the number of seconds and nanoseconds using the Unix
// epoch of 1 Jan 1970.
func (t Time) UnixTime() (sec, nsec int64) {
sec = int64(t - g1582ns100)
nsec = (sec % 10000000) * 100
sec /= 10000000
return sec, nsec
}
// GetTime returns the current Time (100s of nanoseconds since 15 Oct 1582) and
// adjusts the clock sequence as needed. An error is returned if the current
// time cannot be determined.
func GetTime() (Time, error) {
defer mu.Unlock()
mu.Lock()
return getTime()
}
func getTime() (Time, error) {
t := timeNow()
// If we don't have a clock sequence already, set one.
if clock_seq == 0 {
setClockSequence(-1)
}
now := uint64(t.UnixNano()/100) + g1582ns100
// If time has gone backwards with this clock sequence then we
// increment the clock sequence
if now <= lasttime {
clock_seq = ((clock_seq + 1) & 0x3fff) | 0x8000
}
lasttime = now
return Time(now), nil
}
// ClockSequence returns the current clock sequence, generating one if not
// already set. The clock sequence is only used for Version 1 UUIDs.
//
// The uuid package does not use global static storage for the clock sequence or
// the last time a UUID was generated. Unless SetClockSequence a new random
// clock sequence is generated the first time a clock sequence is requested by
// ClockSequence, GetTime, or NewUUID. (section 4.2.1.1) sequence is generated
// for
func ClockSequence() int {
defer mu.Unlock()
mu.Lock()
return clockSequence()
}
func clockSequence() int {
if clock_seq == 0 {
setClockSequence(-1)
}
return int(clock_seq & 0x3fff)
}
// SetClockSeq sets the clock sequence to the lower 14 bits of seq. Setting to
// -1 causes a new sequence to be generated.
func SetClockSequence(seq int) {
defer mu.Unlock()
mu.Lock()
setClockSequence(seq)
}
func setClockSequence(seq int) {
if seq == -1 {
var b [2]byte
randomBits(b[:]) // clock sequence
seq = int(b[0])<<8 | int(b[1])
}
old_seq := clock_seq
clock_seq = uint16(seq&0x3fff) | 0x8000 // Set our variant
if old_seq != clock_seq {
lasttime = 0
}
}
// Time returns the time in 100s of nanoseconds since 15 Oct 1582 encoded in
// uuid. It returns false if uuid is not valid. The time is only well defined
// for version 1 and 2 UUIDs.
func (uuid UUID) Time() (Time, bool) {
if len(uuid) != 16 {
return 0, false
}
time := int64(binary.BigEndian.Uint32(uuid[0:4]))
time |= int64(binary.BigEndian.Uint16(uuid[4:6])) << 32
time |= int64(binary.BigEndian.Uint16(uuid[6:8])&0xfff) << 48
return Time(time), true
}
// ClockSequence returns the clock sequence encoded in uuid. It returns false
// if uuid is not valid. The clock sequence is only well defined for version 1
// and 2 UUIDs.
func (uuid UUID) ClockSequence() (int, bool) {
if len(uuid) != 16 {
return 0, false
}
return int(binary.BigEndian.Uint16(uuid[8:10])) & 0x3fff, true
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"io"
)
// randomBits completely fills slice b with random data.
func randomBits(b []byte) {
if _, err := io.ReadFull(rander, b); err != nil {
panic(err.Error()) // rand should never fail
}
}
// xvalues returns the value of a byte as a hexadecimal digit or 255.
var xvalues = []byte{
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, 255, 255, 255, 255,
255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
}
// xtob converts the the first two hex bytes of x into a byte.
func xtob(x string) (byte, bool) {
b1 := xvalues[x[0]]
b2 := xvalues[x[1]]
return (b1 << 4) | b2, b1 != 255 && b2 != 255
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"bytes"
"crypto/rand"
"fmt"
"io"
"strings"
)
// A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC
// 4122.
type UUID []byte
// A Version represents a UUIDs version.
type Version byte
// A Variant represents a UUIDs variant.
type Variant byte
// Constants returned by Variant.
const (
Invalid = Variant(iota) // Invalid UUID
RFC4122 // The variant specified in RFC4122
Reserved // Reserved, NCS backward compatibility.
Microsoft // Reserved, Microsoft Corporation backward compatibility.
Future // Reserved for future definition.
)
var rander = rand.Reader // random function
// New returns a new random (version 4) UUID as a string. It is a convenience
// function for NewRandom().String().
func New() string {
return NewRandom().String()
}
// Parse decodes s into a UUID or returns nil. Both the UUID form of
// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded.
func Parse(s string) UUID {
if len(s) == 36+9 {
if strings.ToLower(s[:9]) != "urn:uuid:" {
return nil
}
s = s[9:]
} else if len(s) != 36 {
return nil
}
if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' {
return nil
}
uuid := make([]byte, 16)
for i, x := range []int{
0, 2, 4, 6,
9, 11,
14, 16,
19, 21,
24, 26, 28, 30, 32, 34} {
if v, ok := xtob(s[x:]); !ok {
return nil
} else {
uuid[i] = v
}
}
return uuid
}
// Equal returns true if uuid1 and uuid2 are equal.
func Equal(uuid1, uuid2 UUID) bool {
return bytes.Equal(uuid1, uuid2)
}
// String returns the string form of uuid, xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
// , or "" if uuid is invalid.
func (uuid UUID) String() string {
if uuid == nil || len(uuid) != 16 {
return ""
}
b := []byte(uuid)
return fmt.Sprintf("%08x-%04x-%04x-%04x-%012x",
b[:4], b[4:6], b[6:8], b[8:10], b[10:])
}
// URN returns the RFC 2141 URN form of uuid,
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, or "" if uuid is invalid.
func (uuid UUID) URN() string {
if uuid == nil || len(uuid) != 16 {
return ""
}
b := []byte(uuid)
return fmt.Sprintf("urn:uuid:%08x-%04x-%04x-%04x-%012x",
b[:4], b[4:6], b[6:8], b[8:10], b[10:])
}
// Variant returns the variant encoded in uuid. It returns Invalid if
// uuid is invalid.
func (uuid UUID) Variant() Variant {
if len(uuid) != 16 {
return Invalid
}
switch {
case (uuid[8] & 0xc0) == 0x80:
return RFC4122
case (uuid[8] & 0xe0) == 0xc0:
return Microsoft
case (uuid[8] & 0xe0) == 0xe0:
return Future
default:
return Reserved
}
panic("unreachable")
}
// Version returns the verison of uuid. It returns false if uuid is not
// valid.
func (uuid UUID) Version() (Version, bool) {
if len(uuid) != 16 {
return 0, false
}
return Version(uuid[6] >> 4), true
}
func (v Version) String() string {
if v > 15 {
return fmt.Sprintf("BAD_VERSION_%d", v)
}
return fmt.Sprintf("VERSION_%d", v)
}
func (v Variant) String() string {
switch v {
case RFC4122:
return "RFC4122"
case Reserved:
return "Reserved"
case Microsoft:
return "Microsoft"
case Future:
return "Future"
case Invalid:
return "Invalid"
}
return fmt.Sprintf("BadVariant%d", int(v))
}
// SetRand sets the random number generator to r, which implents io.Reader.
// If r.Read returns an error when the package requests random data then
// a panic will be issued.
//
// Calling SetRand with nil sets the random number generator to the default
// generator.
func SetRand(r io.Reader) {
if r == nil {
rander = rand.Reader
return
}
rander = r
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"bytes"
"fmt"
"os"
"strings"
"testing"
"time"
)
type test struct {
in string
version Version
variant Variant
isuuid bool
}
var tests = []test{
{"f47ac10b-58cc-0372-8567-0e02b2c3d479", 0, RFC4122, true},
{"f47ac10b-58cc-1372-8567-0e02b2c3d479", 1, RFC4122, true},
{"f47ac10b-58cc-2372-8567-0e02b2c3d479", 2, RFC4122, true},
{"f47ac10b-58cc-3372-8567-0e02b2c3d479", 3, RFC4122, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-5372-8567-0e02b2c3d479", 5, RFC4122, true},
{"f47ac10b-58cc-6372-8567-0e02b2c3d479", 6, RFC4122, true},
{"f47ac10b-58cc-7372-8567-0e02b2c3d479", 7, RFC4122, true},
{"f47ac10b-58cc-8372-8567-0e02b2c3d479", 8, RFC4122, true},
{"f47ac10b-58cc-9372-8567-0e02b2c3d479", 9, RFC4122, true},
{"f47ac10b-58cc-a372-8567-0e02b2c3d479", 10, RFC4122, true},
{"f47ac10b-58cc-b372-8567-0e02b2c3d479", 11, RFC4122, true},
{"f47ac10b-58cc-c372-8567-0e02b2c3d479", 12, RFC4122, true},
{"f47ac10b-58cc-d372-8567-0e02b2c3d479", 13, RFC4122, true},
{"f47ac10b-58cc-e372-8567-0e02b2c3d479", 14, RFC4122, true},
{"f47ac10b-58cc-f372-8567-0e02b2c3d479", 15, RFC4122, true},
{"urn:uuid:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"URN:UUID:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-1567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-2567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-3567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-4567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-5567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-6567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-7567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-9567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-a567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-b567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-c567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-d567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-e567-0e02b2c3d479", 4, Future, true},
{"f47ac10b-58cc-4372-f567-0e02b2c3d479", 4, Future, true},
{"f47ac10b158cc-5372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc25372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-53723a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a56740e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a567-0e02-2c3d479", 0, Invalid, false},
{"g47ac10b-58cc-4372-a567-0e02b2c3d479", 0, Invalid, false},
}
var constants = []struct {
c interface{}
name string
}{
{Person, "Person"},
{Group, "Group"},
{Org, "Org"},
{Invalid, "Invalid"},
{RFC4122, "RFC4122"},
{Reserved, "Reserved"},
{Microsoft, "Microsoft"},
{Future, "Future"},
{Domain(17), "Domain17"},
{Variant(42), "BadVariant42"},
}
func testTest(t *testing.T, in string, tt test) {
uuid := Parse(in)
if ok := (uuid != nil); ok != tt.isuuid {
t.Errorf("Parse(%s) got %v expected %v\b", in, ok, tt.isuuid)
}
if uuid == nil {
return
}
if v := uuid.Variant(); v != tt.variant {
t.Errorf("Variant(%s) got %d expected %d\b", in, v, tt.variant)
}
if v, _ := uuid.Version(); v != tt.version {
t.Errorf("Version(%s) got %d expected %d\b", in, v, tt.version)
}
}
func TestUUID(t *testing.T) {
for _, tt := range tests {
testTest(t, tt.in, tt)
testTest(t, strings.ToUpper(tt.in), tt)
}
}
func TestConstants(t *testing.T) {
for x, tt := range constants {
v, ok := tt.c.(fmt.Stringer)
if !ok {
t.Errorf("%x: %v: not a stringer", x, v)
} else if s := v.String(); s != tt.name {
v, _ := tt.c.(int)
t.Errorf("%x: Constant %T:%d gives %q, expected %q\n", x, tt.c, v, s, tt.name)
}
}
}
func TestRandomUUID(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
uuid := NewRandom()
s := uuid.String()
if m[s] {
t.Errorf("NewRandom returned duplicated UUID %s\n", s)
}
m[s] = true
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s\n", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d\n", uuid.Variant())
}
}
}
func TestNew(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
s := New()
if m[s] {
t.Errorf("New returned duplicated UUID %s\n", s)
}
m[s] = true
uuid := Parse(s)
if uuid == nil {
t.Errorf("New returned %q which does not decode\n", s)
continue
}
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s\n", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d\n", uuid.Variant())
}
}
}
func clockSeq(t *testing.T, uuid UUID) int {
seq, ok := uuid.ClockSequence()
if !ok {
t.Fatalf("%s: invalid clock sequence\n", uuid)
}
return seq
}
func TestClockSeq(t *testing.T) {
// Fake time.Now for this test to return a monotonically advancing time; restore it at end.
defer func(orig func() time.Time) { timeNow = orig }(timeNow)
monTime := time.Now()
timeNow = func() time.Time {
monTime = monTime.Add(1 * time.Second)
return monTime
}
SetClockSequence(-1)
uuid1 := NewUUID()
uuid2 := NewUUID()
if clockSeq(t, uuid1) != clockSeq(t, uuid2) {
t.Errorf("clock sequence %d != %d\n", clockSeq(t, uuid1), clockSeq(t, uuid2))
}
SetClockSequence(-1)
uuid2 = NewUUID()
// Just on the very off chance we generated the same sequence
// two times we try again.
if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
SetClockSequence(-1)
uuid2 = NewUUID()
}
if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
t.Errorf("Duplicate clock sequence %d\n", clockSeq(t, uuid1))
}
SetClockSequence(0x1234)
uuid1 = NewUUID()
if seq := clockSeq(t, uuid1); seq != 0x1234 {
t.Errorf("%s: expected seq 0x1234 got 0x%04x\n", uuid1, seq)
}
}
func TestCoding(t *testing.T) {
text := "7d444840-9dc0-11d1-b245-5ffdce74fad2"
urn := "urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2"
data := UUID{
0x7d, 0x44, 0x48, 0x40,
0x9d, 0xc0,
0x11, 0xd1,
0xb2, 0x45,
0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2,
}
if v := data.String(); v != text {
t.Errorf("%x: encoded to %s, expected %s\n", data, v, text)
}
if v := data.URN(); v != urn {
t.Errorf("%x: urn is %s, expected %s\n", data, v, urn)
}
uuid := Parse(text)
if !Equal(uuid, data) {
t.Errorf("%s: decoded to %s, expected %s\n", text, uuid, data)
}
}
func TestVersion1(t *testing.T) {
uuid1 := NewUUID()
uuid2 := NewUUID()
if Equal(uuid1, uuid2) {
t.Errorf("%s:duplicate uuid\n", uuid1)
}
if v, _ := uuid1.Version(); v != 1 {
t.Errorf("%s: version %s expected 1\n", uuid1, v)
}
if v, _ := uuid2.Version(); v != 1 {
t.Errorf("%s: version %s expected 1\n", uuid2, v)
}
n1 := uuid1.NodeID()
n2 := uuid2.NodeID()
if !bytes.Equal(n1, n2) {
t.Errorf("Different nodes %x != %x\n", n1, n2)
}
t1, ok := uuid1.Time()
if !ok {
t.Errorf("%s: invalid time\n", uuid1)
}
t2, ok := uuid2.Time()
if !ok {
t.Errorf("%s: invalid time\n", uuid2)
}
q1, ok := uuid1.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence\n", uuid1)
}
q2, ok := uuid2.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence", uuid2)
}
switch {
case t1 == t2 && q1 == q2:
t.Errorf("time stopped\n")
case t1 > t2 && q1 == q2:
t.Errorf("time reversed\n")
case t1 < t2 && q1 != q2:
t.Errorf("clock sequence chaned unexpectedly\n")
}
}
func TestNodeAndTime(t *testing.T) {
// Time is February 5, 1998 12:30:23.136364800 AM GMT
uuid := Parse("7d444840-9dc0-11d1-b245-5ffdce74fad2")
node := []byte{0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2}
ts, ok := uuid.Time()
if ok {
c := time.Unix(ts.UnixTime())
want := time.Date(1998, 2, 5, 0, 30, 23, 136364800, time.UTC)
if !c.Equal(want) {
t.Errorf("Got time %v, want %v", c, want)
}
} else {
t.Errorf("%s: bad time\n", uuid)
}
if !bytes.Equal(node, uuid.NodeID()) {
t.Errorf("Expected node %v got %v\n", node, uuid.NodeID())
}
}
func TestMD5(t *testing.T) {
uuid := NewMD5(NameSpace_DNS, []byte("python.org")).String()
want := "6fa459ea-ee8a-3ca4-894e-db77e160355e"
if uuid != want {
t.Errorf("MD5: got %q expected %q\n", uuid, want)
}
}
func TestSHA1(t *testing.T) {
uuid := NewSHA1(NameSpace_DNS, []byte("python.org")).String()
want := "886313e1-3b8a-5372-9b90-0c9aee199e5d"
if uuid != want {
t.Errorf("SHA1: got %q expected %q\n", uuid, want)
}
}
func TestNodeID(t *testing.T) {
nid := []byte{1, 2, 3, 4, 5, 6}
SetNodeInterface("")
s := NodeInterface()
if s == "" || s == "user" {
t.Errorf("NodeInterface %q after SetInteface\n", s)
}
node1 := NodeID()
if node1 == nil {
t.Errorf("NodeID nil after SetNodeInterface\n", s)
}
SetNodeID(nid)
s = NodeInterface()
if s != "user" {
t.Errorf("Expected NodeInterface %q got %q\n", "user", s)
}
node2 := NodeID()
if node2 == nil {
t.Errorf("NodeID nil after SetNodeID\n", s)
}
if bytes.Equal(node1, node2) {
t.Errorf("NodeID not changed after SetNodeID\n", s)
} else if !bytes.Equal(nid, node2) {
t.Errorf("NodeID is %x, expected %x\n", node2, nid)
}
}
func testDCE(t *testing.T, name string, uuid UUID, domain Domain, id uint32) {
if uuid == nil {
t.Errorf("%s failed\n", name)
return
}
if v, _ := uuid.Version(); v != 2 {
t.Errorf("%s: %s: expected version 2, got %s\n", name, uuid, v)
return
}
if v, ok := uuid.Domain(); !ok || v != domain {
if !ok {
t.Errorf("%s: %d: Domain failed\n", name, uuid)
} else {
t.Errorf("%s: %s: expected domain %d, got %d\n", name, uuid, domain, v)
}
}
if v, ok := uuid.Id(); !ok || v != id {
if !ok {
t.Errorf("%s: %d: Id failed\n", name, uuid)
} else {
t.Errorf("%s: %s: expected id %d, got %d\n", name, uuid, id, v)
}
}
}
func TestDCE(t *testing.T) {
testDCE(t, "NewDCESecurity", NewDCESecurity(42, 12345678), 42, 12345678)
testDCE(t, "NewDCEPerson", NewDCEPerson(), Person, uint32(os.Getuid()))
testDCE(t, "NewDCEGroup", NewDCEGroup(), Group, uint32(os.Getgid()))
}
type badRand struct{}
func (r badRand) Read(buf []byte) (int, error) {
for i, _ := range buf {
buf[i] = byte(i)
}
return len(buf), nil
}
func TestBadRand(t *testing.T) {
SetRand(badRand{})
uuid1 := New()
uuid2 := New()
if uuid1 != uuid2 {
t.Errorf("execpted duplicates, got %q and %q\n", uuid1, uuid2)
}
SetRand(nil)
uuid1 = New()
uuid2 = New()
if uuid1 == uuid2 {
t.Errorf("unexecpted duplicates, got %q\n", uuid1)
}
}

41
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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"encoding/binary"
)
// NewUUID returns a Version 1 UUID based on the current NodeID and clock
// sequence, and the current time. If the NodeID has not been set by SetNodeID
// or SetNodeInterface then it will be set automatically. If the NodeID cannot
// be set NewUUID returns nil. If clock sequence has not been set by
// SetClockSequence then it will be set automatically. If GetTime fails to
// return the current NewUUID returns nil.
func NewUUID() UUID {
if nodeID == nil {
SetNodeInterface("")
}
now, err := GetTime()
if err != nil {
return nil
}
uuid := make([]byte, 16)
time_low := uint32(now & 0xffffffff)
time_mid := uint16((now >> 32) & 0xffff)
time_hi := uint16((now >> 48) & 0x0fff)
time_hi |= 0x1000 // Version 1
binary.BigEndian.PutUint32(uuid[0:], time_low)
binary.BigEndian.PutUint16(uuid[4:], time_mid)
binary.BigEndian.PutUint16(uuid[6:], time_hi)
binary.BigEndian.PutUint16(uuid[8:], clock_seq)
copy(uuid[10:], nodeID)
return uuid
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
// Random returns a Random (Version 4) UUID or panics.
//
// The strength of the UUIDs is based on the strength of the crypto/rand
// package.
//
// A note about uniqueness derived from from the UUID Wikipedia entry:
//
// Randomly generated UUIDs have 122 random bits. One's annual risk of being
// hit by a meteorite is estimated to be one chance in 17 billion, that
// means the probability is about 0.00000000006 (6 × 10−11),
// equivalent to the odds of creating a few tens of trillions of UUIDs in a
// year and having one duplicate.
func NewRandom() UUID {
uuid := make([]byte, 16)
randomBits([]byte(uuid))
uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
return uuid
}

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logrus

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language: go
go:
- 1.2
- 1.3
- tip
install:
- go get github.com/stretchr/testify
- go get github.com/stvp/go-udp-testing
- go get github.com/tobi/airbrake-go
- go get github.com/getsentry/raven-go

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The MIT License (MIT)
Copyright (c) 2014 Simon Eskildsen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:"/>&nbsp;[![Build Status](https://travis-ci.org/Sirupsen/logrus.svg?branch=master)](https://travis-ci.org/Sirupsen/logrus)
Logrus is a structured logger for Go (golang), completely API compatible with
the standard library logger. [Godoc][godoc]. **Please note the Logrus API is not
yet stable (pre 1.0), the core API is unlikely change much but please version
control your Logrus to make sure you aren't fetching latest `master` on every
build.**
Nicely color-coded in development (when a TTY is attached, otherwise just
plain text):
![Colored](http://i.imgur.com/PY7qMwd.png)
With `log.Formatter = new(logrus.JSONFormatter)`, for easy parsing by logstash
or Splunk:
```json
{"animal":"walrus","level":"info","msg":"A group of walrus emerges from the
ocean","size":10,"time":"2014-03-10 19:57:38.562264131 -0400 EDT"}
{"level":"warning","msg":"The group's number increased tremendously!",
"number":122,"omg":true,"time":"2014-03-10 19:57:38.562471297 -0400 EDT"}
{"animal":"walrus","level":"info","msg":"A giant walrus appears!",
"size":10,"time":"2014-03-10 19:57:38.562500591 -0400 EDT"}
{"animal":"walrus","level":"info","msg":"Tremendously sized cow enters the ocean.",
"size":9,"time":"2014-03-10 19:57:38.562527896 -0400 EDT"}
{"level":"fatal","msg":"The ice breaks!","number":100,"omg":true,
"time":"2014-03-10 19:57:38.562543128 -0400 EDT"}
```
With the default `log.Formatter = new(logrus.TextFormatter)` when a TTY is not
attached, the output is compatible with the
[l2met](http://r.32k.io/l2met-introduction) format:
```text
time="2014-04-20 15:36:23.830442383 -0400 EDT" level="info" msg="A group of walrus emerges from the ocean" animal="walrus" size=10
time="2014-04-20 15:36:23.830584199 -0400 EDT" level="warning" msg="The group's number increased tremendously!" omg=true number=122
time="2014-04-20 15:36:23.830596521 -0400 EDT" level="info" msg="A giant walrus appears!" animal="walrus" size=10
time="2014-04-20 15:36:23.830611837 -0400 EDT" level="info" msg="Tremendously sized cow enters the ocean." animal="walrus" size=9
time="2014-04-20 15:36:23.830626464 -0400 EDT" level="fatal" msg="The ice breaks!" omg=true number=100
```
#### Example
The simplest way to use Logrus is simply the package-level exported logger:
```go
package main
import (
log "github.com/Sirupsen/logrus"
)
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
}).Info("A walrus appears")
}
```
Note that it's completely api-compatible with the stdlib logger, so you can
replace your `log` imports everywhere with `log "github.com/Sirupsen/logrus"`
and you'll now have the flexibility of Logrus. You can customize it all you
want:
```go
package main
import (
"os"
log "github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/airbrake"
)
func init() {
// Log as JSON instead of the default ASCII formatter.
log.SetFormatter(&log.JSONFormatter{})
// Use the Airbrake hook to report errors that have Error severity or above to
// an exception tracker. You can create custom hooks, see the Hooks section.
log.AddHook(&logrus_airbrake.AirbrakeHook{})
// Output to stderr instead of stdout, could also be a file.
log.SetOutput(os.Stderr)
// Only log the warning severity or above.
log.SetLevel(log.WarnLevel)
}
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
log.WithFields(log.Fields{
"omg": true,
"number": 122,
}).Warn("The group's number increased tremendously!")
log.WithFields(log.Fields{
"omg": true,
"number": 100,
}).Fatal("The ice breaks!")
}
```
For more advanced usage such as logging to multiple locations from the same
application, you can also create an instance of the `logrus` Logger:
```go
package main
import (
"github.com/Sirupsen/logrus"
)
// Create a new instance of the logger. You can have any number of instances.
var log = logrus.New()
func main() {
// The API for setting attributes is a little different than the package level
// exported logger. See Godoc.
log.Out = os.Stderr
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
}
```
#### Fields
Logrus encourages careful, structured logging though logging fields instead of
long, unparseable error messages. For example, instead of: `log.Fatalf("Failed
to send event %s to topic %s with key %d")`, you should log the much more
discoverable:
```go
log.WithFields(log.Fields{
"event": event,
"topic": topic,
"key": key,
}).Fatal("Failed to send event")
```
We've found this API forces you to think about logging in a way that produces
much more useful logging messages. We've been in countless situations where just
a single added field to a log statement that was already there would've saved us
hours. The `WithFields` call is optional.
In general, with Logrus using any of the `printf`-family functions should be
seen as a hint you should add a field, however, you can still use the
`printf`-family functions with Logrus.
#### Hooks
You can add hooks for logging levels. For example to send errors to an exception
tracking service on `Error`, `Fatal` and `Panic`, info to StatsD or log to
multiple places simultaneously, e.g. syslog.
```go
// Not the real implementation of the Airbrake hook. Just a simple sample.
import (
log "github.com/Sirupsen/logrus"
)
func init() {
log.AddHook(new(AirbrakeHook))
}
type AirbrakeHook struct{}
// `Fire()` takes the entry that the hook is fired for. `entry.Data[]` contains
// the fields for the entry. See the Fields section of the README.
func (hook *AirbrakeHook) Fire(entry *logrus.Entry) error {
err := airbrake.Notify(entry.Data["error"].(error))
if err != nil {
log.WithFields(log.Fields{
"source": "airbrake",
"endpoint": airbrake.Endpoint,
}).Info("Failed to send error to Airbrake")
}
return nil
}
// `Levels()` returns a slice of `Levels` the hook is fired for.
func (hook *AirbrakeHook) Levels() []log.Level {
return []log.Level{
log.ErrorLevel,
log.FatalLevel,
log.PanicLevel,
}
}
```
Logrus comes with built-in hooks. Add those, or your custom hook, in `init`:
```go
import (
log "github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/airbrake"
"github.com/Sirupsen/logrus/hooks/syslog"
"log/syslog"
)
func init() {
log.AddHook(new(logrus_airbrake.AirbrakeHook))
hook, err := logrus_syslog.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")
if err != nil {
log.Error("Unable to connect to local syslog daemon")
} else {
log.AddHook(hook)
}
}
```
* [`github.com/Sirupsen/logrus/hooks/airbrake`](https://github.com/Sirupsen/logrus/blob/master/hooks/airbrake/airbrake.go)
Send errors to an exception tracking service compatible with the Airbrake API.
Uses [`airbrake-go`](https://github.com/tobi/airbrake-go) behind the scenes.
* [`github.com/Sirupsen/logrus/hooks/papertrail`](https://github.com/Sirupsen/logrus/blob/master/hooks/papertrail/papertrail.go)
Send errors to the Papertrail hosted logging service via UDP.
* [`github.com/Sirupsen/logrus/hooks/syslog`](https://github.com/Sirupsen/logrus/blob/master/hooks/syslog/syslog.go)
Send errors to remote syslog server.
Uses standard library `log/syslog` behind the scenes.
* [`github.com/nubo/hiprus`](https://github.com/nubo/hiprus)
Send errors to a channel in hipchat.
#### Level logging
Logrus has six logging levels: Debug, Info, Warning, Error, Fatal and Panic.
```go
log.Debug("Useful debugging information.")
log.Info("Something noteworthy happened!")
log.Warn("You should probably take a look at this.")
log.Error("Something failed but I'm not quitting.")
// Calls os.Exit(1) after logging
log.Fatal("Bye.")
// Calls panic() after logging
log.Panic("I'm bailing.")
```
You can set the logging level on a `Logger`, then it will only log entries with
that severity or anything above it:
```go
// Will log anything that is info or above (warn, error, fatal, panic). Default.
log.SetLevel(log.InfoLevel)
```
It may be useful to set `log.Level = logrus.DebugLevel` in a debug or verbose
environment if your application has that.
#### Entries
Besides the fields added with `WithField` or `WithFields` some fields are
automatically added to all logging events:
1. `time`. The timestamp when the entry was created.
2. `msg`. The logging message passed to `{Info,Warn,Error,Fatal,Panic}` after
the `AddFields` call. E.g. `Failed to send event.`
3. `level`. The logging level. E.g. `info`.
#### Environments
Logrus has no notion of environment.
If you wish for hooks and formatters to only be used in specific environments,
you should handle that yourself. For example, if your application has a global
variable `Environment`, which is a string representation of the environment you
could do:
```go
import (
log "github.com/Sirupsen/logrus"
)
init() {
// do something here to set environment depending on an environment variable
// or command-line flag
if Environment == "production" {
log.SetFormatter(logrus.JSONFormatter)
} else {
// The TextFormatter is default, you don't actually have to do this.
log.SetFormatter(logrus.TextFormatter)
}
}
```
This configuration is how `logrus` was intended to be used, but JSON in
production is mostly only useful if you do log aggregation with tools like
Splunk or Logstash.
#### Formatters
The built-in logging formatters are:
* `logrus.TextFormatter`. Logs the event in colors if stdout is a tty, otherwise
without colors.
* *Note:* to force colored output when there is no TTY, set the `ForceColors`
field to `true`. To force no colored output even if there is a TTY set the
`DisableColors` field to `true`
* `logrus.JSONFormatter`. Logs fields as JSON.
Third party logging formatters:
* [`zalgo`](https://github.com/aybabtme/logzalgo): invoking the P͉̫o̳̼̊w̖͈̰͎e̬͔̭͂r͚̼̹̲ ̫͓͉̳͈ō̠͕͖̚f̝͍̠ ͕̲̞͖͑Z̖̫̤̫ͪa͉̬͈̗l͖͎g̳̥o̰̥̅!̣͔̲̻͊̄ ̙̘̦̹̦.
You can define your formatter by implementing the `Formatter` interface,
requiring a `Format` method. `Format` takes an `*Entry`. `entry.Data` is a
`Fields` type (`map[string]interface{}`) with all your fields as well as the
default ones (see Entries section above):
```go
type MyJSONFormatter struct {
}
log.SetFormatter(new(MyJSONFormatter))
func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
// Note this doesn't include Time, Level and Message which are available on
// the Entry. Consult `godoc` on information about those fields or read the
// source of the official loggers.
serialized, err := json.Marshal(entry.Data)
if err != nil {
return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
}
return append(serialized, '\n'), nil
}
```
#### Rotation
Log rotation is not provided with Logrus. Log rotation should be done by an
external program (like `logrotated(8)`) that can compress and delete old log
entries. It should not be a feature of the application-level logger.
[godoc]: https://godoc.org/github.com/Sirupsen/logrus

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package logrus
import (
"bytes"
"fmt"
"io"
"os"
"time"
)
// An entry is the final or intermediate Logrus logging entry. It contains all
// the fields passed with WithField{,s}. It's finally logged when Debug, Info,
// Warn, Error, Fatal or Panic is called on it. These objects can be reused and
// passed around as much as you wish to avoid field duplication.
type Entry struct {
Logger *Logger
// Contains all the fields set by the user.
Data Fields
// Time at which the log entry was created
Time time.Time
// Level the log entry was logged at: Debug, Info, Warn, Error, Fatal or Panic
Level Level
// Message passed to Debug, Info, Warn, Error, Fatal or Panic
Message string
}
func NewEntry(logger *Logger) *Entry {
return &Entry{
Logger: logger,
// Default is three fields, give a little extra room
Data: make(Fields, 5),
}
}
// Returns a reader for the entry, which is a proxy to the formatter.
func (entry *Entry) Reader() (*bytes.Buffer, error) {
serialized, err := entry.Logger.Formatter.Format(entry)
return bytes.NewBuffer(serialized), err
}
// Returns the string representation from the reader and ultimately the
// formatter.
func (entry *Entry) String() (string, error) {
reader, err := entry.Reader()
if err != nil {
return "", err
}
return reader.String(), err
}
// Add a single field to the Entry.
func (entry *Entry) WithField(key string, value interface{}) *Entry {
return entry.WithFields(Fields{key: value})
}
// Add a map of fields to the Entry.
func (entry *Entry) WithFields(fields Fields) *Entry {
data := Fields{}
for k, v := range entry.Data {
data[k] = v
}
for k, v := range fields {
data[k] = v
}
return &Entry{Logger: entry.Logger, Data: data}
}
func (entry *Entry) log(level Level, msg string) {
entry.Time = time.Now()
entry.Level = level
entry.Message = msg
if err := entry.Logger.Hooks.Fire(level, entry); err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
entry.Logger.mu.Unlock()
}
reader, err := entry.Reader()
if err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err)
entry.Logger.mu.Unlock()
}
entry.Logger.mu.Lock()
defer entry.Logger.mu.Unlock()
_, err = io.Copy(entry.Logger.Out, reader)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
}
// To avoid Entry#log() returning a value that only would make sense for
// panic() to use in Entry#Panic(), we avoid the allocation by checking
// directly here.
if level <= PanicLevel {
panic(entry)
}
}
func (entry *Entry) Debug(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.log(DebugLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Print(args ...interface{}) {
entry.Info(args...)
}
func (entry *Entry) Info(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.log(InfoLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Warn(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.log(WarnLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Error(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.log(ErrorLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Fatal(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.log(FatalLevel, fmt.Sprint(args...))
}
os.Exit(1)
}
func (entry *Entry) Panic(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.log(PanicLevel, fmt.Sprint(args...))
}
panic(fmt.Sprint(args...))
}
// Entry Printf family functions
func (entry *Entry) Debugf(format string, args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.Debug(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Infof(format string, args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.Info(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Printf(format string, args ...interface{}) {
entry.Infof(format, args...)
}
func (entry *Entry) Warnf(format string, args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.Warn(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Warningf(format string, args ...interface{}) {
entry.Warnf(format, args...)
}
func (entry *Entry) Errorf(format string, args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.Error(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Fatalf(format string, args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.Fatal(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Panicf(format string, args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.Panic(fmt.Sprintf(format, args...))
}
}
// Entry Println family functions
func (entry *Entry) Debugln(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.Debug(entry.sprintlnn(args...))
}
}
func (entry *Entry) Infoln(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.Info(entry.sprintlnn(args...))
}
}
func (entry *Entry) Println(args ...interface{}) {
entry.Infoln(args...)
}
func (entry *Entry) Warnln(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.Warn(entry.sprintlnn(args...))
}
}
func (entry *Entry) Warningln(args ...interface{}) {
entry.Warnln(args...)
}
func (entry *Entry) Errorln(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.Error(entry.sprintlnn(args...))
}
}
func (entry *Entry) Fatalln(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.Fatal(entry.sprintlnn(args...))
}
}
func (entry *Entry) Panicln(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.Panic(entry.sprintlnn(args...))
}
}
// Sprintlnn => Sprint no newline. This is to get the behavior of how
// fmt.Sprintln where spaces are always added between operands, regardless of
// their type. Instead of vendoring the Sprintln implementation to spare a
// string allocation, we do the simplest thing.
func (entry *Entry) sprintlnn(args ...interface{}) string {
msg := fmt.Sprintln(args...)
return msg[:len(msg)-1]
}

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package logrus
import (
"bytes"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestEntryPanicln(t *testing.T) {
errBoom := fmt.Errorf("boom time")
defer func() {
p := recover()
assert.NotNil(t, p)
switch pVal := p.(type) {
case *Entry:
assert.Equal(t, "kaboom", pVal.Message)
assert.Equal(t, errBoom, pVal.Data["err"])
default:
t.Fatalf("want type *Entry, got %T: %#v", pVal, pVal)
}
}()
logger := New()
logger.Out = &bytes.Buffer{}
entry := NewEntry(logger)
entry.WithField("err", errBoom).Panicln("kaboom")
}
func TestEntryPanicf(t *testing.T) {
errBoom := fmt.Errorf("boom again")
defer func() {
p := recover()
assert.NotNil(t, p)
switch pVal := p.(type) {
case *Entry:
assert.Equal(t, "kaboom true", pVal.Message)
assert.Equal(t, errBoom, pVal.Data["err"])
default:
t.Fatalf("want type *Entry, got %T: %#v", pVal, pVal)
}
}()
logger := New()
logger.Out = &bytes.Buffer{}
entry := NewEntry(logger)
entry.WithField("err", errBoom).Panicf("kaboom %v", true)
}

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package main
import (
"github.com/Sirupsen/logrus"
)
var log = logrus.New()
func init() {
log.Formatter = new(logrus.JSONFormatter)
log.Formatter = new(logrus.TextFormatter) // default
}
func main() {
defer func() {
err := recover()
if err != nil {
log.WithFields(logrus.Fields{
"omg": true,
"err": err,
"number": 100,
}).Fatal("The ice breaks!")
}
}()
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
log.WithFields(logrus.Fields{
"omg": true,
"number": 122,
}).Warn("The group's number increased tremendously!")
log.WithFields(logrus.Fields{
"animal": "orca",
"size": 9009,
}).Panic("It's over 9000!")
}

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package main
import (
"github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/airbrake"
"github.com/tobi/airbrake-go"
)
var log = logrus.New()
func init() {
log.Formatter = new(logrus.TextFormatter) // default
log.Hooks.Add(new(logrus_airbrake.AirbrakeHook))
}
func main() {
airbrake.Endpoint = "https://exceptions.whatever.com/notifier_api/v2/notices.xml"
airbrake.ApiKey = "whatever"
airbrake.Environment = "production"
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
log.WithFields(logrus.Fields{
"omg": true,
"number": 122,
}).Warn("The group's number increased tremendously!")
log.WithFields(logrus.Fields{
"omg": true,
"number": 100,
}).Fatal("The ice breaks!")
}

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package logrus
import (
"io"
)
var (
// std is the name of the standard logger in stdlib `log`
std = New()
)
// SetOutput sets the standard logger output.
func SetOutput(out io.Writer) {
std.mu.Lock()
defer std.mu.Unlock()
std.Out = out
}
// SetFormatter sets the standard logger formatter.
func SetFormatter(formatter Formatter) {
std.mu.Lock()
defer std.mu.Unlock()
std.Formatter = formatter
}
// SetLevel sets the standard logger level.
func SetLevel(level Level) {
std.mu.Lock()
defer std.mu.Unlock()
std.Level = level
}
// GetLevel returns the standard logger level.
func GetLevel() Level {
return std.Level
}
// AddHook adds a hook to the standard logger hooks.
func AddHook(hook Hook) {
std.mu.Lock()
defer std.mu.Unlock()
std.Hooks.Add(hook)
}
// WithField creates an entry from the standard logger and adds a field to
// it. If you want multiple fields, use `WithFields`.
//
// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
// or Panic on the Entry it returns.
func WithField(key string, value interface{}) *Entry {
return std.WithField(key, value)
}
// WithFields creates an entry from the standard logger and adds multiple
// fields to it. This is simply a helper for `WithField`, invoking it
// once for each field.
//
// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
// or Panic on the Entry it returns.
func WithFields(fields Fields) *Entry {
return std.WithFields(fields)
}
// Debug logs a message at level Debug on the standard logger.
func Debug(args ...interface{}) {
std.Debug(args...)
}
// Print logs a message at level Info on the standard logger.
func Print(args ...interface{}) {
std.Print(args...)
}
// Info logs a message at level Info on the standard logger.
func Info(args ...interface{}) {
std.Info(args...)
}
// Warn logs a message at level Warn on the standard logger.
func Warn(args ...interface{}) {
std.Warn(args...)
}
// Warning logs a message at level Warn on the standard logger.
func Warning(args ...interface{}) {
std.Warning(args...)
}
// Error logs a message at level Error on the standard logger.
func Error(args ...interface{}) {
std.Error(args...)
}
// Panic logs a message at level Panic on the standard logger.
func Panic(args ...interface{}) {
std.Panic(args...)
}
// Fatal logs a message at level Fatal on the standard logger.
func Fatal(args ...interface{}) {
std.Fatal(args...)
}
// Debugf logs a message at level Debug on the standard logger.
func Debugf(format string, args ...interface{}) {
std.Debugf(format, args...)
}
// Printf logs a message at level Info on the standard logger.
func Printf(format string, args ...interface{}) {
std.Printf(format, args...)
}
// Infof logs a message at level Info on the standard logger.
func Infof(format string, args ...interface{}) {
std.Infof(format, args...)
}
// Warnf logs a message at level Warn on the standard logger.
func Warnf(format string, args ...interface{}) {
std.Warnf(format, args...)
}
// Warningf logs a message at level Warn on the standard logger.
func Warningf(format string, args ...interface{}) {
std.Warningf(format, args...)
}
// Errorf logs a message at level Error on the standard logger.
func Errorf(format string, args ...interface{}) {
std.Errorf(format, args...)
}
// Panicf logs a message at level Panic on the standard logger.
func Panicf(format string, args ...interface{}) {
std.Panicf(format, args...)
}
// Fatalf logs a message at level Fatal on the standard logger.
func Fatalf(format string, args ...interface{}) {
std.Fatalf(format, args...)
}
// Debugln logs a message at level Debug on the standard logger.
func Debugln(args ...interface{}) {
std.Debugln(args...)
}
// Println logs a message at level Info on the standard logger.
func Println(args ...interface{}) {
std.Println(args...)
}
// Infoln logs a message at level Info on the standard logger.
func Infoln(args ...interface{}) {
std.Infoln(args...)
}
// Warnln logs a message at level Warn on the standard logger.
func Warnln(args ...interface{}) {
std.Warnln(args...)
}
// Warningln logs a message at level Warn on the standard logger.
func Warningln(args ...interface{}) {
std.Warningln(args...)
}
// Errorln logs a message at level Error on the standard logger.
func Errorln(args ...interface{}) {
std.Errorln(args...)
}
// Panicln logs a message at level Panic on the standard logger.
func Panicln(args ...interface{}) {
std.Panicln(args...)
}
// Fatalln logs a message at level Fatal on the standard logger.
func Fatalln(args ...interface{}) {
std.Fatalln(args...)
}

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package logrus
// The Formatter interface is used to implement a custom Formatter. It takes an
// `Entry`. It exposes all the fields, including the default ones:
//
// * `entry.Data["msg"]`. The message passed from Info, Warn, Error ..
// * `entry.Data["time"]`. The timestamp.
// * `entry.Data["level"]. The level the entry was logged at.
//
// Any additional fields added with `WithField` or `WithFields` are also in
// `entry.Data`. Format is expected to return an array of bytes which are then
// logged to `logger.Out`.
type Formatter interface {
Format(*Entry) ([]byte, error)
}
// This is to not silently overwrite `time`, `msg` and `level` fields when
// dumping it. If this code wasn't there doing:
//
// logrus.WithField("level", 1).Info("hello")
//
// Would just silently drop the user provided level. Instead with this code
// it'll logged as:
//
// {"level": "info", "fields.level": 1, "msg": "hello", "time": "..."}
//
// It's not exported because it's still using Data in an opinionated way. It's to
// avoid code duplication between the two default formatters.
func prefixFieldClashes(entry *Entry) {
_, ok := entry.Data["time"]
if ok {
entry.Data["fields.time"] = entry.Data["time"]
}
_, ok = entry.Data["msg"]
if ok {
entry.Data["fields.msg"] = entry.Data["msg"]
}
_, ok = entry.Data["level"]
if ok {
entry.Data["fields.level"] = entry.Data["level"]
}
}

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package logrus
import (
"testing"
"time"
)
// smallFields is a small size data set for benchmarking
var smallFields = Fields{
"foo": "bar",
"baz": "qux",
"one": "two",
"three": "four",
}
// largeFields is a large size data set for benchmarking
var largeFields = Fields{
"foo": "bar",
"baz": "qux",
"one": "two",
"three": "four",
"five": "six",
"seven": "eight",
"nine": "ten",
"eleven": "twelve",
"thirteen": "fourteen",
"fifteen": "sixteen",
"seventeen": "eighteen",
"nineteen": "twenty",
"a": "b",
"c": "d",
"e": "f",
"g": "h",
"i": "j",
"k": "l",
"m": "n",
"o": "p",
"q": "r",
"s": "t",
"u": "v",
"w": "x",
"y": "z",
"this": "will",
"make": "thirty",
"entries": "yeah",
}
func BenchmarkSmallTextFormatter(b *testing.B) {
doBenchmark(b, &TextFormatter{DisableColors: true}, smallFields)
}
func BenchmarkLargeTextFormatter(b *testing.B) {
doBenchmark(b, &TextFormatter{DisableColors: true}, largeFields)
}
func BenchmarkSmallColoredTextFormatter(b *testing.B) {
doBenchmark(b, &TextFormatter{ForceColors: true}, smallFields)
}
func BenchmarkLargeColoredTextFormatter(b *testing.B) {
doBenchmark(b, &TextFormatter{ForceColors: true}, largeFields)
}
func BenchmarkSmallJSONFormatter(b *testing.B) {
doBenchmark(b, &JSONFormatter{}, smallFields)
}
func BenchmarkLargeJSONFormatter(b *testing.B) {
doBenchmark(b, &JSONFormatter{}, largeFields)
}
func doBenchmark(b *testing.B, formatter Formatter, fields Fields) {
entry := &Entry{
Time: time.Time{},
Level: InfoLevel,
Message: "message",
Data: fields,
}
var d []byte
var err error
for i := 0; i < b.N; i++ {
d, err = formatter.Format(entry)
if err != nil {
b.Fatal(err)
}
b.SetBytes(int64(len(d)))
}
}

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package logrus
import (
"testing"
"github.com/stretchr/testify/assert"
)
type TestHook struct {
Fired bool
}
func (hook *TestHook) Fire(entry *Entry) error {
hook.Fired = true
return nil
}
func (hook *TestHook) Levels() []Level {
return []Level{
DebugLevel,
InfoLevel,
WarnLevel,
ErrorLevel,
FatalLevel,
PanicLevel,
}
}
func TestHookFires(t *testing.T) {
hook := new(TestHook)
LogAndAssertJSON(t, func(log *Logger) {
log.Hooks.Add(hook)
assert.Equal(t, hook.Fired, false)
log.Print("test")
}, func(fields Fields) {
assert.Equal(t, hook.Fired, true)
})
}
type ModifyHook struct {
}
func (hook *ModifyHook) Fire(entry *Entry) error {
entry.Data["wow"] = "whale"
return nil
}
func (hook *ModifyHook) Levels() []Level {
return []Level{
DebugLevel,
InfoLevel,
WarnLevel,
ErrorLevel,
FatalLevel,
PanicLevel,
}
}
func TestHookCanModifyEntry(t *testing.T) {
hook := new(ModifyHook)
LogAndAssertJSON(t, func(log *Logger) {
log.Hooks.Add(hook)
log.WithField("wow", "elephant").Print("test")
}, func(fields Fields) {
assert.Equal(t, fields["wow"], "whale")
})
}
func TestCanFireMultipleHooks(t *testing.T) {
hook1 := new(ModifyHook)
hook2 := new(TestHook)
LogAndAssertJSON(t, func(log *Logger) {
log.Hooks.Add(hook1)
log.Hooks.Add(hook2)
log.WithField("wow", "elephant").Print("test")
}, func(fields Fields) {
assert.Equal(t, fields["wow"], "whale")
assert.Equal(t, hook2.Fired, true)
})
}
type ErrorHook struct {
Fired bool
}
func (hook *ErrorHook) Fire(entry *Entry) error {
hook.Fired = true
return nil
}
func (hook *ErrorHook) Levels() []Level {
return []Level{
ErrorLevel,
}
}
func TestErrorHookShouldntFireOnInfo(t *testing.T) {
hook := new(ErrorHook)
LogAndAssertJSON(t, func(log *Logger) {
log.Hooks.Add(hook)
log.Info("test")
}, func(fields Fields) {
assert.Equal(t, hook.Fired, false)
})
}
func TestErrorHookShouldFireOnError(t *testing.T) {
hook := new(ErrorHook)
LogAndAssertJSON(t, func(log *Logger) {
log.Hooks.Add(hook)
log.Error("test")
}, func(fields Fields) {
assert.Equal(t, hook.Fired, true)
})
}

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package logrus
// A hook to be fired when logging on the logging levels returned from
// `Levels()` on your implementation of the interface. Note that this is not
// fired in a goroutine or a channel with workers, you should handle such
// functionality yourself if your call is non-blocking and you don't wish for
// the logging calls for levels returned from `Levels()` to block.
type Hook interface {
Levels() []Level
Fire(*Entry) error
}
// Internal type for storing the hooks on a logger instance.
type levelHooks map[Level][]Hook
// Add a hook to an instance of logger. This is called with
// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface.
func (hooks levelHooks) Add(hook Hook) {
for _, level := range hook.Levels() {
hooks[level] = append(hooks[level], hook)
}
}
// Fire all the hooks for the passed level. Used by `entry.log` to fire
// appropriate hooks for a log entry.
func (hooks levelHooks) Fire(level Level, entry *Entry) error {
for _, hook := range hooks[level] {
if err := hook.Fire(entry); err != nil {
return err
}
}
return nil
}

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package logrus_airbrake
import (
"github.com/Sirupsen/logrus"
"github.com/tobi/airbrake-go"
)
// AirbrakeHook to send exceptions to an exception-tracking service compatible
// with the Airbrake API. You must set:
// * airbrake.Endpoint
// * airbrake.ApiKey
// * airbrake.Environment (only sends exceptions when set to "production")
//
// Before using this hook, to send an error. Entries that trigger an Error,
// Fatal or Panic should now include an "error" field to send to Airbrake.
type AirbrakeHook struct{}
func (hook *AirbrakeHook) Fire(entry *logrus.Entry) error {
if entry.Data["error"] == nil {
entry.Logger.WithFields(logrus.Fields{
"source": "airbrake",
"endpoint": airbrake.Endpoint,
}).Warn("Exceptions sent to Airbrake must have an 'error' key with the error")
return nil
}
err, ok := entry.Data["error"].(error)
if !ok {
entry.Logger.WithFields(logrus.Fields{
"source": "airbrake",
"endpoint": airbrake.Endpoint,
}).Warn("Exceptions sent to Airbrake must have an `error` key of type `error`")
return nil
}
airErr := airbrake.Notify(err)
if airErr != nil {
entry.Logger.WithFields(logrus.Fields{
"source": "airbrake",
"endpoint": airbrake.Endpoint,
"error": airErr,
}).Warn("Failed to send error to Airbrake")
}
return nil
}
func (hook *AirbrakeHook) Levels() []logrus.Level {
return []logrus.Level{
logrus.ErrorLevel,
logrus.FatalLevel,
logrus.PanicLevel,
}
}

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# Papertrail Hook for Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:" />
[Papertrail](https://papertrailapp.com) provides hosted log management. Once stored in Papertrail, you can [group](http://help.papertrailapp.com/kb/how-it-works/groups/) your logs on various dimensions, [search](http://help.papertrailapp.com/kb/how-it-works/search-syntax) them, and trigger [alerts](http://help.papertrailapp.com/kb/how-it-works/alerts).
In most deployments, you'll want to send logs to Papertrail via their [remote_syslog](http://help.papertrailapp.com/kb/configuration/configuring-centralized-logging-from-text-log-files-in-unix/) daemon, which requires no application-specific configuration. This hook is intended for relatively low-volume logging, likely in managed cloud hosting deployments where installing `remote_syslog` is not possible.
## Usage
You can find your Papertrail UDP port on your [Papertrail account page](https://papertrailapp.com/account/destinations). Substitute it below for `YOUR_PAPERTRAIL_UDP_PORT`.
For `YOUR_APP_NAME`, substitute a short string that will readily identify your application or service in the logs.
```go
import (
"log/syslog"
"github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/papertrail"
)
func main() {
log := logrus.New()
hook, err := logrus_papertrail.NewPapertrailHook("logs.papertrailapp.com", YOUR_PAPERTRAIL_UDP_PORT, YOUR_APP_NAME)
if err == nil {
log.Hooks.Add(hook)
}
}
```

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package logrus_papertrail
import (
"fmt"
"net"
"os"
"time"
"github.com/Sirupsen/logrus"
)
const (
format = "Jan 2 15:04:05"
)
// PapertrailHook to send logs to a logging service compatible with the Papertrail API.
type PapertrailHook struct {
Host string
Port int
AppName string
UDPConn net.Conn
}
// NewPapertrailHook creates a hook to be added to an instance of logger.
func NewPapertrailHook(host string, port int, appName string) (*PapertrailHook, error) {
conn, err := net.Dial("udp", fmt.Sprintf("%s:%d", host, port))
return &PapertrailHook{host, port, appName, conn}, err
}
// Fire is called when a log event is fired.
func (hook *PapertrailHook) Fire(entry *logrus.Entry) error {
date := time.Now().Format(format)
payload := fmt.Sprintf("<22> %s %s: [%s] %s", date, hook.AppName, entry.Level, entry.Message)
bytesWritten, err := hook.UDPConn.Write([]byte(payload))
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to send log line to Papertrail via UDP. Wrote %d bytes before error: %v", bytesWritten, err)
return err
}
return nil
}
// Levels returns the available logging levels.
func (hook *PapertrailHook) Levels() []logrus.Level {
return []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
logrus.WarnLevel,
logrus.InfoLevel,
logrus.DebugLevel,
}
}

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package logrus_papertrail
import (
"fmt"
"testing"
"github.com/Sirupsen/logrus"
"github.com/stvp/go-udp-testing"
)
func TestWritingToUDP(t *testing.T) {
port := 16661
udp.SetAddr(fmt.Sprintf(":%d", port))
hook, err := NewPapertrailHook("localhost", port, "test")
if err != nil {
t.Errorf("Unable to connect to local UDP server.")
}
log := logrus.New()
log.Hooks.Add(hook)
udp.ShouldReceive(t, "foo", func() {
log.Info("foo")
})
}

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# Sentry Hook for Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:" />
[Sentry](https://getsentry.com) provides both self-hosted and hosted
solutions for exception tracking.
Both client and server are
[open source](https://github.com/getsentry/sentry).
## Usage
Every sentry application defined on the server gets a different
[DSN](https://www.getsentry.com/docs/). In the example below replace
`YOUR_DSN` with the one created for your application.
```go
import (
"github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/sentry"
)
func main() {
log := logrus.New()
hook, err := logrus_sentry.NewSentryHook(YOUR_DSN, []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
})
if err == nil {
log.Hooks.Add(hook)
}
}
```
## Special fields
Some logrus fields have a special meaning in this hook,
these are server_name and logger.
When logs are sent to sentry these fields are treated differently.
- server_name (also known as hostname) is the name of the server which
is logging the event (hostname.example.com)
- logger is the part of the application which is logging the event.
In go this usually means setting it to the name of the package.
## Timeout
`Timeout` is the time the sentry hook will wait for a response
from the sentry server.
If this time elapses with no response from
the server an error will be returned.
If `Timeout` is set to 0 the SentryHook will not wait for a reply
and will assume a correct delivery.
The SentryHook has a default timeout of `100 milliseconds` when created
with a call to `NewSentryHook`. This can be changed by assigning a value to the `Timeout` field:
```go
hook, _ := logrus_sentry.NewSentryHook(...)
hook.Timeout = 20*time.Seconds
```

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package logrus_sentry
import (
"fmt"
"time"
"github.com/Sirupsen/logrus"
"github.com/getsentry/raven-go"
)
var (
severityMap = map[logrus.Level]raven.Severity{
logrus.DebugLevel: raven.DEBUG,
logrus.InfoLevel: raven.INFO,
logrus.WarnLevel: raven.WARNING,
logrus.ErrorLevel: raven.ERROR,
logrus.FatalLevel: raven.FATAL,
logrus.PanicLevel: raven.FATAL,
}
)
func getAndDel(d logrus.Fields, key string) (string, bool) {
var (
ok bool
v interface{}
val string
)
if v, ok = d[key]; !ok {
return "", false
}
if val, ok = v.(string); !ok {
return "", false
}
delete(d, key)
return val, true
}
// SentryHook delivers logs to a sentry server.
type SentryHook struct {
// Timeout sets the time to wait for a delivery error from the sentry server.
// If this is set to zero the server will not wait for any response and will
// consider the message correctly sent
Timeout time.Duration
client *raven.Client
levels []logrus.Level
}
// NewSentryHook creates a hook to be added to an instance of logger
// and initializes the raven client.
// This method sets the timeout to 100 milliseconds.
func NewSentryHook(DSN string, levels []logrus.Level) (*SentryHook, error) {
client, err := raven.NewClient(DSN, nil)
if err != nil {
return nil, err
}
return &SentryHook{100 * time.Millisecond, client, levels}, nil
}
// Called when an event should be sent to sentry
// Special fields that sentry uses to give more information to the server
// are extracted from entry.Data (if they are found)
// These fields are: logger and server_name
func (hook *SentryHook) Fire(entry *logrus.Entry) error {
packet := &raven.Packet{
Message: entry.Message,
Timestamp: raven.Timestamp(entry.Time),
Level: severityMap[entry.Level],
Platform: "go",
}
d := entry.Data
if logger, ok := getAndDel(d, "logger"); ok {
packet.Logger = logger
}
if serverName, ok := getAndDel(d, "server_name"); ok {
packet.ServerName = serverName
}
packet.Extra = map[string]interface{}(d)
_, errCh := hook.client.Capture(packet, nil)
timeout := hook.Timeout
if timeout != 0 {
timeoutCh := time.After(timeout)
select {
case err := <-errCh:
return err
case <-timeoutCh:
return fmt.Errorf("no response from sentry server in %s", timeout)
}
}
return nil
}
// Levels returns the available logging levels.
func (hook *SentryHook) Levels() []logrus.Level {
return hook.levels
}

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package logrus_sentry
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/Sirupsen/logrus"
"github.com/getsentry/raven-go"
)
const (
message = "error message"
server_name = "testserver.internal"
logger_name = "test.logger"
)
func getTestLogger() *logrus.Logger {
l := logrus.New()
l.Out = ioutil.Discard
return l
}
func WithTestDSN(t *testing.T, tf func(string, <-chan *raven.Packet)) {
pch := make(chan *raven.Packet, 1)
s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
defer req.Body.Close()
d := json.NewDecoder(req.Body)
p := &raven.Packet{}
err := d.Decode(p)
if err != nil {
t.Fatal(err.Error())
}
pch <- p
}))
defer s.Close()
fragments := strings.SplitN(s.URL, "://", 2)
dsn := fmt.Sprintf(
"%s://public:secret@%s/sentry/project-id",
fragments[0],
fragments[1],
)
tf(dsn, pch)
}
func TestSpecialFields(t *testing.T) {
WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
logger := getTestLogger()
hook, err := NewSentryHook(dsn, []logrus.Level{
logrus.ErrorLevel,
})
if err != nil {
t.Fatal(err.Error())
}
logger.Hooks.Add(hook)
logger.WithFields(logrus.Fields{
"server_name": server_name,
"logger": logger_name,
}).Error(message)
packet := <-pch
if packet.Logger != logger_name {
t.Errorf("logger should have been %s, was %s", logger_name, packet.Logger)
}
if packet.ServerName != server_name {
t.Errorf("server_name should have been %s, was %s", server_name, packet.ServerName)
}
})
}
func TestSentryHandler(t *testing.T) {
WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
logger := getTestLogger()
hook, err := NewSentryHook(dsn, []logrus.Level{
logrus.ErrorLevel,
})
if err != nil {
t.Fatal(err.Error())
}
logger.Hooks.Add(hook)
logger.Error(message)
packet := <-pch
if packet.Message != message {
t.Errorf("message should have been %s, was %s", message, packet.Message)
}
})
}

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# Syslog Hooks for Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:"/>
## Usage
```go
import (
"log/syslog"
"github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/hooks/syslog"
)
func main() {
log := logrus.New()
hook, err := logrus_syslog.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")
if err == nil {
log.Hooks.Add(hook)
}
}
```

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package logrus_syslog
import (
"fmt"
"github.com/Sirupsen/logrus"
"log/syslog"
"os"
)
// SyslogHook to send logs via syslog.
type SyslogHook struct {
Writer *syslog.Writer
SyslogNetwork string
SyslogRaddr string
}
// Creates a hook to be added to an instance of logger. This is called with
// `hook, err := NewSyslogHook("udp", "localhost:514", syslog.LOG_DEBUG, "")`
// `if err == nil { log.Hooks.Add(hook) }`
func NewSyslogHook(network, raddr string, priority syslog.Priority, tag string) (*SyslogHook, error) {
w, err := syslog.Dial(network, raddr, priority, tag)
return &SyslogHook{w, network, raddr}, err
}
func (hook *SyslogHook) Fire(entry *logrus.Entry) error {
line, err := entry.String()
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to read entry, %v", err)
return err
}
switch entry.Level {
case logrus.PanicLevel:
return hook.Writer.Crit(line)
case logrus.FatalLevel:
return hook.Writer.Crit(line)
case logrus.ErrorLevel:
return hook.Writer.Err(line)
case logrus.WarnLevel:
return hook.Writer.Warning(line)
case logrus.InfoLevel:
return hook.Writer.Info(line)
case logrus.DebugLevel:
return hook.Writer.Debug(line)
default:
return nil
}
}
func (hook *SyslogHook) Levels() []logrus.Level {
return []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
logrus.WarnLevel,
logrus.InfoLevel,
logrus.DebugLevel,
}
}

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package logrus_syslog
import (
"github.com/Sirupsen/logrus"
"log/syslog"
"testing"
)
func TestLocalhostAddAndPrint(t *testing.T) {
log := logrus.New()
hook, err := NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")
if err != nil {
t.Errorf("Unable to connect to local syslog.")
}
log.Hooks.Add(hook)
for _, level := range hook.Levels() {
if len(log.Hooks[level]) != 1 {
t.Errorf("SyslogHook was not added. The length of log.Hooks[%v]: %v", level, len(log.Hooks[level]))
}
}
log.Info("Congratulations!")
}

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package logrus
import (
"encoding/json"
"fmt"
"time"
)
type JSONFormatter struct{}
func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
prefixFieldClashes(entry)
entry.Data["time"] = entry.Time.Format(time.RFC3339)
entry.Data["msg"] = entry.Message
entry.Data["level"] = entry.Level.String()
serialized, err := json.Marshal(entry.Data)
if err != nil {
return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
}
return append(serialized, '\n'), nil
}

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package logrus
import (
"io"
"os"
"sync"
)
type Logger struct {
// The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
// file, or leave it default which is `os.Stdout`. You can also set this to
// something more adventorous, such as logging to Kafka.
Out io.Writer
// Hooks for the logger instance. These allow firing events based on logging
// levels and log entries. For example, to send errors to an error tracking
// service, log to StatsD or dump the core on fatal errors.
Hooks levelHooks
// All log entries pass through the formatter before logged to Out. The
// included formatters are `TextFormatter` and `JSONFormatter` for which
// TextFormatter is the default. In development (when a TTY is attached) it
// logs with colors, but to a file it wouldn't. You can easily implement your
// own that implements the `Formatter` interface, see the `README` or included
// formatters for examples.
Formatter Formatter
// The logging level the logger should log at. This is typically (and defaults
// to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
// logged. `logrus.Debug` is useful in
Level Level
// Used to sync writing to the log.
mu sync.Mutex
}
// Creates a new logger. Configuration should be set by changing `Formatter`,
// `Out` and `Hooks` directly on the default logger instance. You can also just
// instantiate your own:
//
// var log = &Logger{
// Out: os.Stderr,
// Formatter: new(JSONFormatter),
// Hooks: make(levelHooks),
// Level: logrus.Debug,
// }
//
// It's recommended to make this a global instance called `log`.
func New() *Logger {
return &Logger{
Out: os.Stdout,
Formatter: new(TextFormatter),
Hooks: make(levelHooks),
Level: InfoLevel,
}
}
// Adds a field to the log entry, note that you it doesn't log until you call
// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
// Ff you want multiple fields, use `WithFields`.
func (logger *Logger) WithField(key string, value interface{}) *Entry {
return NewEntry(logger).WithField(key, value)
}
// Adds a struct of fields to the log entry. All it does is call `WithField` for
// each `Field`.
func (logger *Logger) WithFields(fields Fields) *Entry {
return NewEntry(logger).WithFields(fields)
}
func (logger *Logger) Debugf(format string, args ...interface{}) {
NewEntry(logger).Debugf(format, args...)
}
func (logger *Logger) Infof(format string, args ...interface{}) {
NewEntry(logger).Infof(format, args...)
}
func (logger *Logger) Printf(format string, args ...interface{}) {
NewEntry(logger).Printf(format, args...)
}
func (logger *Logger) Warnf(format string, args ...interface{}) {
NewEntry(logger).Warnf(format, args...)
}
func (logger *Logger) Warningf(format string, args ...interface{}) {
NewEntry(logger).Warnf(format, args...)
}
func (logger *Logger) Errorf(format string, args ...interface{}) {
NewEntry(logger).Errorf(format, args...)
}
func (logger *Logger) Fatalf(format string, args ...interface{}) {
NewEntry(logger).Fatalf(format, args...)
}
func (logger *Logger) Panicf(format string, args ...interface{}) {
NewEntry(logger).Panicf(format, args...)
}
func (logger *Logger) Debug(args ...interface{}) {
NewEntry(logger).Debug(args...)
}
func (logger *Logger) Info(args ...interface{}) {
NewEntry(logger).Info(args...)
}
func (logger *Logger) Print(args ...interface{}) {
NewEntry(logger).Info(args...)
}
func (logger *Logger) Warn(args ...interface{}) {
NewEntry(logger).Warn(args...)
}
func (logger *Logger) Warning(args ...interface{}) {
NewEntry(logger).Warn(args...)
}
func (logger *Logger) Error(args ...interface{}) {
NewEntry(logger).Error(args...)
}
func (logger *Logger) Fatal(args ...interface{}) {
NewEntry(logger).Fatal(args...)
}
func (logger *Logger) Panic(args ...interface{}) {
NewEntry(logger).Panic(args...)
}
func (logger *Logger) Debugln(args ...interface{}) {
NewEntry(logger).Debugln(args...)
}
func (logger *Logger) Infoln(args ...interface{}) {
NewEntry(logger).Infoln(args...)
}
func (logger *Logger) Println(args ...interface{}) {
NewEntry(logger).Println(args...)
}
func (logger *Logger) Warnln(args ...interface{}) {
NewEntry(logger).Warnln(args...)
}
func (logger *Logger) Warningln(args ...interface{}) {
NewEntry(logger).Warnln(args...)
}
func (logger *Logger) Errorln(args ...interface{}) {
NewEntry(logger).Errorln(args...)
}
func (logger *Logger) Fatalln(args ...interface{}) {
NewEntry(logger).Fatalln(args...)
}
func (logger *Logger) Panicln(args ...interface{}) {
NewEntry(logger).Panicln(args...)
}

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package logrus
import (
"fmt"
"log"
)
// Fields type, used to pass to `WithFields`.
type Fields map[string]interface{}
// Level type
type Level uint8
// Convert the Level to a string. E.g. PanicLevel becomes "panic".
func (level Level) String() string {
switch level {
case DebugLevel:
return "debug"
case InfoLevel:
return "info"
case WarnLevel:
return "warning"
case ErrorLevel:
return "error"
case FatalLevel:
return "fatal"
case PanicLevel:
return "panic"
}
return "unknown"
}
// ParseLevel takes a string level and returns the Logrus log level constant.
func ParseLevel(lvl string) (Level, error) {
switch lvl {
case "panic":
return PanicLevel, nil
case "fatal":
return FatalLevel, nil
case "error":
return ErrorLevel, nil
case "warn", "warning":
return WarnLevel, nil
case "info":
return InfoLevel, nil
case "debug":
return DebugLevel, nil
}
var l Level
return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
}
// These are the different logging levels. You can set the logging level to log
// on your instance of logger, obtained with `logrus.New()`.
const (
// PanicLevel level, highest level of severity. Logs and then calls panic with the
// message passed to Debug, Info, ...
PanicLevel Level = iota
// FatalLevel level. Logs and then calls `os.Exit(1)`. It will exit even if the
// logging level is set to Panic.
FatalLevel
// ErrorLevel level. Logs. Used for errors that should definitely be noted.
// Commonly used for hooks to send errors to an error tracking service.
ErrorLevel
// WarnLevel level. Non-critical entries that deserve eyes.
WarnLevel
// InfoLevel level. General operational entries about what's going on inside the
// application.
InfoLevel
// DebugLevel level. Usually only enabled when debugging. Very verbose logging.
DebugLevel
)
// Won't compile if StdLogger can't be realized by a log.Logger
var _ StdLogger = &log.Logger{}
// StdLogger is what your logrus-enabled library should take, that way
// it'll accept a stdlib logger and a logrus logger. There's no standard
// interface, this is the closest we get, unfortunately.
type StdLogger interface {
Print(...interface{})
Printf(string, ...interface{})
Println(...interface{})
Fatal(...interface{})
Fatalf(string, ...interface{})
Fatalln(...interface{})
Panic(...interface{})
Panicf(string, ...interface{})
Panicln(...interface{})
}

247
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package logrus
import (
"bytes"
"encoding/json"
"strconv"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func LogAndAssertJSON(t *testing.T, log func(*Logger), assertions func(fields Fields)) {
var buffer bytes.Buffer
var fields Fields
logger := New()
logger.Out = &buffer
logger.Formatter = new(JSONFormatter)
log(logger)
err := json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
assertions(fields)
}
func LogAndAssertText(t *testing.T, log func(*Logger), assertions func(fields map[string]string)) {
var buffer bytes.Buffer
logger := New()
logger.Out = &buffer
logger.Formatter = &TextFormatter{
DisableColors: true,
}
log(logger)
fields := make(map[string]string)
for _, kv := range strings.Split(buffer.String(), " ") {
if !strings.Contains(kv, "=") {
continue
}
kvArr := strings.Split(kv, "=")
key := strings.TrimSpace(kvArr[0])
val, err := strconv.Unquote(kvArr[1])
assert.NoError(t, err)
fields[key] = val
}
assertions(fields)
}
func TestPrint(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Print("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "info")
})
}
func TestInfo(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "info")
})
}
func TestWarn(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Warn("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "warning")
})
}
func TestInfolnShouldAddSpacesBetweenStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln("test", "test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test test")
})
}
func TestInfolnShouldAddSpacesBetweenStringAndNonstring(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln("test", 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test 10")
})
}
func TestInfolnShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln(10, 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "10 10")
})
}
func TestInfoShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln(10, 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "10 10")
})
}
func TestInfoShouldNotAddSpacesBetweenStringAndNonstring(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test", 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test10")
})
}
func TestInfoShouldNotAddSpacesBetweenStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test", "test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "testtest")
})
}
func TestWithFieldsShouldAllowAssignments(t *testing.T) {
var buffer bytes.Buffer
var fields Fields
logger := New()
logger.Out = &buffer
logger.Formatter = new(JSONFormatter)
localLog := logger.WithFields(Fields{
"key1": "value1",
})
localLog.WithField("key2", "value2").Info("test")
err := json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
assert.Equal(t, "value2", fields["key2"])
assert.Equal(t, "value1", fields["key1"])
buffer = bytes.Buffer{}
fields = Fields{}
localLog.Info("test")
err = json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
_, ok := fields["key2"]
assert.Equal(t, false, ok)
assert.Equal(t, "value1", fields["key1"])
}
func TestUserSuppliedFieldDoesNotOverwriteDefaults(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("msg", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
})
}
func TestUserSuppliedMsgFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("msg", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["fields.msg"], "hello")
})
}
func TestUserSuppliedTimeFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("time", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["fields.time"], "hello")
})
}
func TestUserSuppliedLevelFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("level", 1).Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["level"], "info")
assert.Equal(t, fields["fields.level"], 1)
})
}
func TestDefaultFieldsAreNotPrefixed(t *testing.T) {
LogAndAssertText(t, func(log *Logger) {
ll := log.WithField("herp", "derp")
ll.Info("hello")
ll.Info("bye")
}, func(fields map[string]string) {
for _, fieldName := range []string{"fields.level", "fields.time", "fields.msg"} {
if _, ok := fields[fieldName]; ok {
t.Fatalf("should not have prefixed %q: %v", fieldName, fields)
}
}
})
}
func TestConvertLevelToString(t *testing.T) {
assert.Equal(t, "debug", DebugLevel.String())
assert.Equal(t, "info", InfoLevel.String())
assert.Equal(t, "warning", WarnLevel.String())
assert.Equal(t, "error", ErrorLevel.String())
assert.Equal(t, "fatal", FatalLevel.String())
assert.Equal(t, "panic", PanicLevel.String())
}
func TestParseLevel(t *testing.T) {
l, err := ParseLevel("panic")
assert.Nil(t, err)
assert.Equal(t, PanicLevel, l)
l, err = ParseLevel("fatal")
assert.Nil(t, err)
assert.Equal(t, FatalLevel, l)
l, err = ParseLevel("error")
assert.Nil(t, err)
assert.Equal(t, ErrorLevel, l)
l, err = ParseLevel("warn")
assert.Nil(t, err)
assert.Equal(t, WarnLevel, l)
l, err = ParseLevel("warning")
assert.Nil(t, err)
assert.Equal(t, WarnLevel, l)
l, err = ParseLevel("info")
assert.Nil(t, err)
assert.Equal(t, InfoLevel, l)
l, err = ParseLevel("debug")
assert.Nil(t, err)
assert.Equal(t, DebugLevel, l)
l, err = ParseLevel("invalid")
assert.Equal(t, "not a valid logrus Level: \"invalid\"", err.Error())
}

12
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// Based on ssh/terminal:
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package logrus
import "syscall"
const ioctlReadTermios = syscall.TIOCGETA
type Termios syscall.Termios

20
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/*
Go 1.2 doesn't include Termios for FreeBSD. This should be added in 1.3 and this could be merged with terminal_darwin.
*/
package logrus
import (
"syscall"
)
const ioctlReadTermios = syscall.TIOCGETA
type Termios struct {
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]uint8
Ispeed uint32
Ospeed uint32
}

12
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// Based on ssh/terminal:
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package logrus
import "syscall"
const ioctlReadTermios = syscall.TCGETS
type Termios syscall.Termios

21
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// Based on ssh/terminal:
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux,!appengine darwin freebsd
package logrus
import (
"syscall"
"unsafe"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stdout
var termios Termios
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return err == 0
}

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// Based on ssh/terminal:
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
package logrus
import (
"syscall"
"unsafe"
)
var kernel32 = syscall.NewLazyDLL("kernel32.dll")
var (
procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stdout
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
}

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package logrus
import (
"bytes"
"fmt"
"sort"
"strings"
"time"
)
const (
nocolor = 0
red = 31
green = 32
yellow = 33
blue = 34
)
var (
baseTimestamp time.Time
isTerminal bool
)
func init() {
baseTimestamp = time.Now()
isTerminal = IsTerminal()
}
func miniTS() int {
return int(time.Since(baseTimestamp) / time.Second)
}
type TextFormatter struct {
// Set to true to bypass checking for a TTY before outputting colors.
ForceColors bool
DisableColors bool
}
func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
var keys []string
for k := range entry.Data {
keys = append(keys, k)
}
sort.Strings(keys)
b := &bytes.Buffer{}
prefixFieldClashes(entry)
isColored := (f.ForceColors || isTerminal) && !f.DisableColors
if isColored {
printColored(b, entry, keys)
} else {
f.appendKeyValue(b, "time", entry.Time.Format(time.RFC3339))
f.appendKeyValue(b, "level", entry.Level.String())
f.appendKeyValue(b, "msg", entry.Message)
for _, key := range keys {
f.appendKeyValue(b, key, entry.Data[key])
}
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func printColored(b *bytes.Buffer, entry *Entry, keys []string) {
var levelColor int
switch entry.Level {
case WarnLevel:
levelColor = yellow
case ErrorLevel, FatalLevel, PanicLevel:
levelColor = red
default:
levelColor = blue
}
levelText := strings.ToUpper(entry.Level.String())[0:4]
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message)
for _, k := range keys {
v := entry.Data[k]
fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%v", levelColor, k, v)
}
}
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key, value interface{}) {
switch value.(type) {
case string, error:
fmt.Fprintf(b, "%v=%q ", key, value)
default:
fmt.Fprintf(b, "%v=%v ", key, value)
}
}

13
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language: go
go:
- 1.1
- 1.2
- 1.3
- tip
install:
- go get github.com/bugsnag/panicwrap
- go get github.com/bugsnag/osext
- go get github.com/bitly/go-simplejson
- go get github.com/revel/revel

20
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Copyright (c) 2014 Bugsnag
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

489
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Bugsnag Notifier for Golang
===========================
The Bugsnag Notifier for Golang gives you instant notification of panics, or
unexpected errors, in your golang app. Any unhandled panics will trigger a
notification to be sent to your Bugsnag project.
[Bugsnag](http://bugsnag.com) captures errors in real-time from your web,
mobile and desktop applications, helping you to understand and resolve them
as fast as possible. [Create a free account](http://bugsnag.com) to start
capturing exceptions from your applications.
## How to Install
1. Download the code
```shell
go get github.com/bugsnag/bugsnag-go
```
### Using with net/http apps
For a golang app based on [net/http](https://godoc.org/net/http), integrating
Bugsnag takes two steps. You should also use these instructions if you're using
the [gorilla toolkit](http://www.gorillatoolkit.org/), or the
[pat](https://github.com/bmizerany/pat/) muxer.
1. Configure bugsnag at the start of your `main()` function:
```go
import "github.com/bugsnag/bugsnag-go"
func main() {
bugsnag.Configure(bugsnag.Configuration{
APIKey: "YOUR_API_KEY_HERE",
ReleaseStage: "production",
// more configuration options
})
// rest of your program.
}
```
2. Wrap your server in a [bugsnag.Handler](https://godoc.org/github.com/bugsnag/bugsnag-go/#Handler)
```go
// a. If you're using the builtin http mux, you can just pass
// bugsnag.Handler(nil) to http.ListenAndServer
http.ListenAndServe(":8080", bugsnag.Handler(nil))
// b. If you're creating a server manually yourself, you can set
// its handlers the same way
srv := http.Server{
Handler: bugsnag.Handler(nil)
}
// c. If you're not using the builtin http mux, wrap your own handler
// (though make sure that it doesn't already catch panics)
http.ListenAndServe(":8080", bugsnag.Handler(handler))
```
### Using with Revel apps
There are two steps to get panic handling in [revel](https://revel.github.io) apps.
1. Add the `bugsnagrevel.Filter` immediately after the `revel.PanicFilter` in `app/init.go`:
```go
import "github.com/bugsnag/bugsnag-go/revel"
revel.Filters = []revel.Filter{
revel.PanicFilter,
bugsnagrevel.Filter,
// ...
}
```
2. Set bugsnag.apikey in the top section of `conf/app.conf`.
```
module.static=github.com/revel/revel/modules/static
bugsnag.apikey=YOUR_API_KEY_HERE
[dev]
```
### Using with Google App Engine
1. Configure bugsnag at the start of your `init()` function:
```go
import "github.com/bugsnag/bugsnag-go"
func init() {
bugsnag.Configure(bugsnag.Configuration{
APIKey: "YOUR_API_KEY_HERE",
})
// ...
}
```
2. Wrap *every* http.Handler or http.HandlerFunc with Bugsnag:
```go
// a. If you're using HandlerFuncs
http.HandleFunc("/", bugsnag.HandlerFunc(
func (w http.ResponseWriter, r *http.Request) {
// ...
}))
// b. If you're using Handlers
http.Handle("/", bugsnag.Handler(myHttpHandler))
```
3. In order to use Bugsnag, you must provide the current
[`appengine.Context`](https://developers.google.com/appengine/docs/go/reference#Context), or
current `*http.Request` as rawData. The easiest way to do this is to create a new notifier.
```go
c := appengine.NewContext(r)
notifier := bugsnag.New(c)
if err != nil {
notifier.Notify(err)
}
go func () {
defer notifier.Recover()
// ...
}()
```
## Notifying Bugsnag manually
Bugsnag will automatically handle any panics that crash your program and notify
you of them. If you've integrated with `revel` or `net/http`, then you'll also
be notified of any panics() that happen while processing a request.
Sometimes however it's useful to manually notify Bugsnag of a problem. To do this,
call [`bugsnag.Notify()`](https://godoc.org/github.com/bugsnag/bugsnag-go/#Notify)
```go
if err != nil {
bugsnag.Notify(err)
}
```
### Manual panic handling
To avoid a panic in a goroutine from crashing your entire app, you can use
[`bugsnag.Recover()`](https://godoc.org/github.com/bugsnag/bugsnag-go/#Recover)
to stop a panic from unwinding the stack any further. When `Recover()` is hit,
it will send any current panic to Bugsnag and then stop panicking. This is
most useful at the start of a goroutine:
```go
go func() {
defer bugsnag.Recover()
// ...
}()
```
Alternatively you can use
[`bugsnag.AutoNotify()`](https://godoc.org/github.com/bugsnag/bugsnag-go/#Recover)
to notify bugsnag of a panic while letting the program continue to panic. This
is useful if you're using a Framework that already has some handling of panics
and you are retrofitting bugsnag support.
```go
defer bugsnag.AutoNotify()
```
## Sending Custom Data
Most functions in the Bugsnag API, including `bugsnag.Notify()`,
`bugsnag.Recover()`, `bugsnag.AutoNotify()`, and `bugsnag.Handler()` let you
attach data to the notifications that they send. To do this you pass in rawData,
which can be any of the supported types listed here. To add support for more
types of rawData see [OnBeforeNotify](#custom-data-with-onbeforenotify).
### Custom MetaData
Custom metaData appears as tabs on Bugsnag.com. You can set it by passing
a [`bugsnag.MetaData`](https://godoc.org/github.com/bugsnag/bugsnag-go/#MetaData)
object as rawData.
```go
bugsnag.Notify(err,
bugsnag.MetaData{
"Account": {
"Name": Account.Name,
"Paying": Account.Plan.Premium,
},
})
```
### Request data
Bugsnag can extract interesting data from
[`*http.Request`](https://godoc.org/net/http/#Request) objects, and
[`*revel.Controller`](https://godoc.org/github.com/revel/revel/#Controller)
objects. These are automatically passed in when handling panics, and you can
pass them yourself.
```go
func (w http.ResponseWriter, r *http.Request) {
bugsnag.Notify(err, r)
}
```
### User data
User data is searchable, and the `Id` powers the count of users affected. You
can set which user an error affects by passing a
[`bugsnag.User`](https://godoc.org/github.com/bugsnag/bugsnag-go/#User) object as
rawData.
```go
bugsnag.Notify(err,
bugsnag.User{Id: "1234", Name: "Conrad", Email: "me@cirw.in"})
```
### Context
The context shows up prominently in the list view so that you can get an idea
of where a problem occurred. You can set it by passing a
[`bugsnag.Context`](https://godoc.org/github.com/bugsnag/bugsnag-go/#Context)
object as rawData.
```go
bugsnag.Notify(err, bugsnag.Context{"backgroundJob"})
```
### Severity
Bugsnag supports three severities, `SeverityError`, `SeverityWarning`, and `SeverityInfo`.
You can set the severity of an error by passing one of these objects as rawData.
```go
bugsnag.Notify(err, bugsnag.SeverityInfo)
```
## Configuration
You must call `bugsnag.Configure()` at the start of your program to use Bugsnag, you pass it
a [`bugsnag.Configuration`](https://godoc.org/github.com/bugsnag/bugsnag-go/#Configuration) object
containing any of the following values.
### APIKey
The Bugsnag API key can be found on your [Bugsnag dashboard](https://bugsnag.com) under "Settings".
```go
bugsnag.Configure(bugsnag.Configuration{
APIKey: "YOUR_API_KEY_HERE",
})
```
### Endpoint
The Bugsnag endpoint defaults to `https://notify.bugsnag.com/`. If you're using Bugsnag enterprise,
you should set this to the endpoint of your local instance.
```go
bugsnag.Configure(bugsnag.Configuration{
Endpoint: "http://bugsnag.internal:49000/",
})
```
### ReleaseStage
The ReleaseStage tracks where your app is deployed. You should set this to `production`, `staging`,
`development` or similar as appropriate.
```go
bugsnag.Configure(bugsnag.Configuration{
ReleaseStage: "development",
})
```
### NotifyReleaseStages
The list of ReleaseStages to notify in. By default Bugsnag will notify you in all release stages, but
you can use this to silence development errors.
```go
bugsnag.Configure(bugsnag.Configuration{
NotifyReleaseStages: []string{"production", "staging"},
})
```
### AppVersion
If you use a versioning scheme for deploys of your app, Bugsnag can use the `AppVersion` to only
re-open errors if they occur in later version of the app.
```go
bugsnag.Configure(bugsnag.Configuration{
AppVersion: "1.2.3",
})
```
### Hostname
The hostname is used to track where exceptions are coming from in the Bugsnag dashboard. The
default value is obtained from `os.Hostname()` so you won't often need to change this.
```go
bugsnag.Configure(bugsnag.Configuration{
Hostname: "go1",
})
```
### ProjectPackages
In order to determine where a crash happens Bugsnag needs to know which packages you consider to
be part of your app (as opposed to a library). By default this is set to `[]string{"main*"}`. Strings
are matched to package names using [`filepath.Match`](http://godoc.org/path/filepath#Match).
```go
bugsnag.Configure(bugsnag.Configuration{
ProjectPackages: []string{"main", "github.com/domain/myapp/*"},
}
```
### ParamsFilters
Sometimes sensitive data is accidentally included in Bugsnag MetaData. You can remove it by
setting `ParamsFilters`. Any key in the `MetaData` that includes any string in the filters
will be redacted. The default is `[]string{"password", "secret"}`, which prevents fields like
`password`, `password_confirmation` and `secret_answer` from being sent.
```go
bugsnag.Configure(bugsnag.Configuration{
ParamsFilters: []string{"password", "secret"},
}
```
### Logger
The Logger to write to in case of an error inside Bugsnag. This defaults to the global logger.
```go
bugsnag.Configure(bugsnag.Configuration{
Logger: app.Logger,
}
```
### PanicHandler
The first time Bugsnag is configured, it wraps the running program in a panic
handler using [panicwrap](http://godoc.org/github.com/ConradIrwin/panicwrap). This
forks a sub-process which monitors unhandled panics. To prevent this, set
`PanicHandler` to `func() {}` the first time you call
`bugsnag.Configure`. This will prevent bugsnag from being able to notify you about
unhandled panics.
```go
bugsnag.Configure(bugsnag.Configuration{
PanicHandler: func() {},
})
```
### Synchronous
Bugsnag usually starts a new goroutine before sending notifications. This means
that notifications can be lost if you do a bugsnag.Notify and then immediately
os.Exit. To avoid this problem, set Bugsnag to Synchronous (or just `panic()`
instead ;).
```go
bugsnag.Configure(bugsnag.Configuration{
Synchronous: true
})
```
Or just for one error:
```go
bugsnag.Notify(err, bugsnag.Configuration{Synchronous: true})
```
### Transport
The transport configures how Bugsnag makes http requests. By default we use
[`http.DefaultTransport`](http://godoc.org/net/http#RoundTripper) which handles
HTTP proxies automatically using the `$HTTP_PROXY` environment variable.
```go
bugsnag.Configure(bugsnag.Configuration{
Transport: http.DefaultTransport,
})
```
## Custom data with OnBeforeNotify
While it's nice that you can pass `MetaData` directly into `bugsnag.Notify`,
`bugsnag.AutoNotify`, and `bugsnag.Recover`, this can be a bit cumbersome and
inefficient — you're constructing the meta-data whether or not it will actually
be used. A better idea is to pass raw data in to these functions, and add an
`OnBeforeNotify` filter that converts them into `MetaData`.
For example, lets say our system processes jobs:
```go
type Job struct{
Retry bool
UserId string
UserEmail string
Name string
Params map[string]string
}
```
You can pass a job directly into Bugsnag.notify:
```go
bugsnag.Notify(err, job)
```
And then add a filter to extract information from that job and attach it to the
Bugsnag event:
```go
bugsnag.OnBeforeNotify(
func(event *bugsnag.Event, config *bugsnag.Configuration) error {
// Search all the RawData for any *Job pointers that we're passed in
// to bugsnag.Notify() and friends.
for _, datum := range event.RawData {
if job, ok := datum.(*Job); ok {
// don't notify bugsnag about errors in retries
if job.Retry {
return fmt.Errorf("not notifying about retried jobs")
}
// add the job as a tab on Bugsnag.com
event.MetaData.AddStruct("Job", job)
// set the user correctly
event.User = &User{Id: job.UserId, Email: job.UserEmail}
}
}
// continue notifying as normal
return nil
})
```
## Advanced Usage
If you want to have multiple different configurations around in one program,
you can use `bugsnag.New()` to create multiple independent instances of
Bugsnag. You can use these without calling `bugsnag.Configure()`, but bear in
mind that until you call `bugsnag.Configure()` unhandled panics will not be
sent to bugsnag.
```go
notifier := bugsnag.New(bugsnag.Configuration{
APIKey: "YOUR_OTHER_API_KEY",
})
```
In fact any place that lets you pass in `rawData` also allows you to pass in
configuration. For example to send http errors to one bugsnag project, you
could do:
```go
bugsnag.Handler(nil, bugsnag.Configuration{APIKey: "YOUR_OTHER_API_KEY"})
```
### GroupingHash
If you need to override Bugsnag's grouping algorithm, you can set the
`GroupingHash` in an `OnBeforeNotify`:
```go
bugsnag.OnBeforeNotify(
func (event *bugsnag.Event, config *bugsnag.Configuration) error {
event.GroupingHash = calculateGroupingHash(event)
return nil
})
```

76
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/appengine.go generated vendored Normal file
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// +build appengine
package bugsnag
import (
"appengine"
"appengine/urlfetch"
"appengine/user"
"fmt"
"log"
"net/http"
)
func defaultPanicHandler() {}
func init() {
OnBeforeNotify(appengineMiddleware)
}
func appengineMiddleware(event *Event, config *Configuration) (err error) {
var c appengine.Context
for _, datum := range event.RawData {
if r, ok := datum.(*http.Request); ok {
c = appengine.NewContext(r)
break
} else if context, ok := datum.(appengine.Context); ok {
c = context
break
}
}
if c == nil {
return fmt.Errorf("No appengine context given")
}
// You can only use the builtin http library if you pay for appengine,
// so we use the appengine urlfetch service instead.
config.Transport = &urlfetch.Transport{
Context: c,
}
// Anything written to stderr/stdout is discarded, so lets log to the request.
config.Logger = log.New(appengineWriter{c}, config.Logger.Prefix(), config.Logger.Flags())
// Set the releaseStage appropriately
if config.ReleaseStage == "" {
if appengine.IsDevAppServer() {
config.ReleaseStage = "development"
} else {
config.ReleaseStage = "production"
}
}
if event.User == nil {
u := user.Current(c)
if u != nil {
event.User = &User{
Id: u.ID,
Email: u.Email,
}
}
}
return nil
}
// Convert an appengine.Context into an io.Writer so we can create a log.Logger.
type appengineWriter struct {
appengine.Context
}
func (c appengineWriter) Write(b []byte) (int, error) {
c.Warningf(string(b))
return len(b), nil
}

131
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/bugsnag.go generated vendored Normal file
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@ -0,0 +1,131 @@
package bugsnag
import (
"github.com/bugsnag/bugsnag-go/errors"
"log"
"net/http"
"os"
"sync"
// Fixes a bug with SHA-384 intermediate certs on some platforms.
// - https://github.com/bugsnag/bugsnag-go/issues/9
_ "crypto/sha512"
)
// The current version of bugsnag-go.
const VERSION = "1.0.2"
var once sync.Once
var middleware middlewareStack
// The configuration for the default bugsnag notifier.
var Config Configuration
var defaultNotifier = Notifier{&Config, nil}
// Configure Bugsnag. The only required setting is the APIKey, which can be
// obtained by clicking on "Settings" in your Bugsnag dashboard. This function
// is also responsible for installing the global panic handler, so it should be
// called as early as possible in your initialization process.
func Configure(config Configuration) {
Config.update(&config)
once.Do(Config.PanicHandler)
}
// Notify sends an error to Bugsnag along with the current stack trace. The
// rawData is used to send extra information along with the error. For example
// you can pass the current http.Request to Bugsnag to see information about it
// in the dashboard, or set the severity of the notification.
func Notify(err error, rawData ...interface{}) error {
return defaultNotifier.Notify(errors.New(err, 1), rawData...)
}
// AutoNotify logs a panic on a goroutine and then repanics.
// It should only be used in places that have existing panic handlers further
// up the stack. See bugsnag.Recover(). The rawData is used to send extra
// information along with any panics that are handled this way.
// Usage: defer bugsnag.AutoNotify()
func AutoNotify(rawData ...interface{}) {
if err := recover(); err != nil {
rawData = defaultNotifier.addDefaultSeverity(rawData, SeverityError)
defaultNotifier.Notify(errors.New(err, 2), rawData...)
panic(err)
}
}
// Recover logs a panic on a goroutine and then recovers.
// The rawData is used to send extra information along with
// any panics that are handled this way
// Usage: defer bugsnag.Recover()
func Recover(rawData ...interface{}) {
if err := recover(); err != nil {
rawData = defaultNotifier.addDefaultSeverity(rawData, SeverityWarning)
defaultNotifier.Notify(errors.New(err, 2), rawData...)
}
}
// OnBeforeNotify adds a callback to be run before a notification is sent to
// Bugsnag. It can be used to modify the event or its MetaData. Changes made
// to the configuration are local to notifying about this event. To prevent the
// event from being sent to Bugsnag return an error, this error will be
// returned from bugsnag.Notify() and the event will not be sent.
func OnBeforeNotify(callback func(event *Event, config *Configuration) error) {
middleware.OnBeforeNotify(callback)
}
// Handler creates an http Handler that notifies Bugsnag any panics that
// happen. It then repanics so that the default http Server panic handler can
// handle the panic too. The rawData is used to send extra information along
// with any panics that are handled this way.
func Handler(h http.Handler, rawData ...interface{}) http.Handler {
notifier := New(rawData...)
if h == nil {
h = http.DefaultServeMux
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
defer notifier.AutoNotify(r)
h.ServeHTTP(w, r)
})
}
// HandlerFunc creates an http HandlerFunc that notifies Bugsnag about any
// panics that happen. It then repanics so that the default http Server panic
// handler can handle the panic too. The rawData is used to send extra
// information along with any panics that are handled this way. If you have
// already wrapped your http server using bugsnag.Handler() you don't also need
// to wrap each HandlerFunc.
func HandlerFunc(h http.HandlerFunc, rawData ...interface{}) http.HandlerFunc {
notifier := New(rawData...)
return func(w http.ResponseWriter, r *http.Request) {
defer notifier.AutoNotify(r)
h(w, r)
}
}
func init() {
// Set up builtin middlewarez
OnBeforeNotify(httpRequestMiddleware)
// Default configuration
Config.update(&Configuration{
APIKey: "",
Endpoint: "https://notify.bugsnag.com/",
Hostname: "",
AppVersion: "",
ReleaseStage: "",
ParamsFilters: []string{"password", "secret"},
// * for app-engine
ProjectPackages: []string{"main*"},
NotifyReleaseStages: nil,
Logger: log.New(os.Stdout, log.Prefix(), log.Flags()),
PanicHandler: defaultPanicHandler,
Transport: http.DefaultTransport,
})
hostname, err := os.Hostname()
if err == nil {
Config.Hostname = hostname
}
}

461
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/bugsnag_test.go generated vendored Normal file
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@ -0,0 +1,461 @@
package bugsnag
import (
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"strings"
"sync"
"testing"
"time"
"github.com/bitly/go-simplejson"
)
func TestConfigure(t *testing.T) {
Configure(Configuration{
APIKey: testAPIKey,
})
if Config.APIKey != testAPIKey {
t.Errorf("Setting APIKey didn't work")
}
if New().Config.APIKey != testAPIKey {
t.Errorf("Setting APIKey didn't work for new notifiers")
}
}
var postedJSON = make(chan []byte, 10)
var testOnce sync.Once
var testEndpoint string
var testAPIKey = "166f5ad3590596f9aa8d601ea89af845"
func startTestServer() {
testOnce.Do(func() {
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
panic(err)
}
postedJSON <- body
})
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
panic(err)
}
testEndpoint = "http://" + l.Addr().String() + "/"
go http.Serve(l, mux)
})
}
type _recurse struct {
*_recurse
}
func TestNotify(t *testing.T) {
startTestServer()
recurse := _recurse{}
recurse._recurse = &recurse
OnBeforeNotify(func(event *Event, config *Configuration) error {
if event.Context == "testing" {
event.GroupingHash = "lol"
}
return nil
})
Notify(fmt.Errorf("hello world"),
Configuration{
APIKey: testAPIKey,
Endpoint: testEndpoint,
ReleaseStage: "test",
AppVersion: "1.2.3",
Hostname: "web1",
ProjectPackages: []string{"github.com/bugsnag/bugsnag-go"},
},
User{Id: "123", Name: "Conrad", Email: "me@cirw.in"},
Context{"testing"},
MetaData{"test": {
"password": "sneaky",
"value": "able",
"broken": complex(1, 2),
"recurse": recurse,
}},
)
json, err := simplejson.NewJson(<-postedJSON)
if err != nil {
t.Fatal(err)
}
if json.Get("apiKey").MustString() != testAPIKey {
t.Errorf("Wrong api key in payload")
}
if json.GetPath("notifier", "name").MustString() != "Bugsnag Go" {
t.Errorf("Wrong notifier name in payload")
}
event := json.Get("events").GetIndex(0)
for k, value := range map[string]string{
"payloadVersion": "2",
"severity": "warning",
"context": "testing",
"groupingHash": "lol",
"app.releaseStage": "test",
"app.version": "1.2.3",
"device.hostname": "web1",
"user.id": "123",
"user.name": "Conrad",
"user.email": "me@cirw.in",
"metaData.test.password": "[REDACTED]",
"metaData.test.value": "able",
"metaData.test.broken": "[complex128]",
"metaData.test.recurse._recurse": "[RECURSION]",
} {
key := strings.Split(k, ".")
if event.GetPath(key...).MustString() != value {
t.Errorf("Wrong %v: %v != %v", key, event.GetPath(key...).MustString(), value)
}
}
exception := event.Get("exceptions").GetIndex(0)
if exception.Get("message").MustString() != "hello world" {
t.Errorf("Wrong message in payload")
}
if exception.Get("errorClass").MustString() != "*errors.errorString" {
t.Errorf("Wrong errorClass in payload: %v", exception.Get("errorClass").MustString())
}
frame0 := exception.Get("stacktrace").GetIndex(0)
if frame0.Get("file").MustString() != "bugsnag_test.go" ||
frame0.Get("method").MustString() != "TestNotify" ||
frame0.Get("inProject").MustBool() != true ||
frame0.Get("lineNumber").MustInt() == 0 {
t.Errorf("Wrong frame0")
}
frame1 := exception.Get("stacktrace").GetIndex(1)
if frame1.Get("file").MustString() != "testing/testing.go" ||
frame1.Get("method").MustString() != "tRunner" ||
frame1.Get("inProject").MustBool() != false ||
frame1.Get("lineNumber").MustInt() == 0 {
t.Errorf("Wrong frame1")
}
}
func crashyHandler(w http.ResponseWriter, r *http.Request) {
c := make(chan int)
close(c)
c <- 1
}
func runCrashyServer(rawData ...interface{}) (net.Listener, error) {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
return nil, err
}
mux := http.NewServeMux()
mux.HandleFunc("/", crashyHandler)
srv := http.Server{
Addr: l.Addr().String(),
Handler: Handler(mux, rawData...),
ErrorLog: log.New(ioutil.Discard, log.Prefix(), 0),
}
go srv.Serve(l)
return l, err
}
func TestHandler(t *testing.T) {
startTestServer()
l, err := runCrashyServer(Configuration{
APIKey: testAPIKey,
Endpoint: testEndpoint,
ProjectPackages: []string{"github.com/bugsnag/bugsnag-go"},
Logger: log.New(ioutil.Discard, log.Prefix(), log.Flags()),
}, SeverityInfo)
if err != nil {
t.Fatal(err)
}
http.Get("http://" + l.Addr().String() + "/ok?foo=bar")
l.Close()
json, err := simplejson.NewJson(<-postedJSON)
if err != nil {
t.Fatal(err)
}
if json.Get("apiKey").MustString() != testAPIKey {
t.Errorf("Wrong api key in payload")
}
if json.GetPath("notifier", "name").MustString() != "Bugsnag Go" {
t.Errorf("Wrong notifier name in payload")
}
event := json.Get("events").GetIndex(0)
for k, value := range map[string]string{
"payloadVersion": "2",
"severity": "info",
"user.id": "127.0.0.1",
"metaData.Request.Url": "http://" + l.Addr().String() + "/ok?foo=bar",
"metaData.Request.Method": "GET",
} {
key := strings.Split(k, ".")
if event.GetPath(key...).MustString() != value {
t.Errorf("Wrong %v: %v != %v", key, event.GetPath(key...).MustString(), value)
}
}
if event.GetPath("metaData", "Request", "Params", "foo").GetIndex(0).MustString() != "bar" {
t.Errorf("missing GET params in request metadata")
}
if event.GetPath("metaData", "Headers", "Accept-Encoding").GetIndex(0).MustString() != "gzip" {
t.Errorf("missing GET params in request metadata: %v", event.GetPath("metaData", "Headers"))
}
exception := event.Get("exceptions").GetIndex(0)
if exception.Get("message").MustString() != "runtime error: send on closed channel" {
t.Errorf("Wrong message in payload: %v", exception.Get("message").MustString())
}
if exception.Get("errorClass").MustString() != "runtime.errorCString" {
t.Errorf("Wrong errorClass in payload: %v", exception.Get("errorClass").MustString())
}
// TODO:CI these are probably dependent on go version.
frame0 := exception.Get("stacktrace").GetIndex(0)
if frame0.Get("file").MustString() != "runtime/panic.c" ||
frame0.Get("method").MustString() != "panicstring" ||
frame0.Get("inProject").MustBool() != false ||
frame0.Get("lineNumber").MustInt() == 0 {
t.Errorf("Wrong frame0: %v", frame0)
}
frame3 := exception.Get("stacktrace").GetIndex(3)
if frame3.Get("file").MustString() != "bugsnag_test.go" ||
frame3.Get("method").MustString() != "crashyHandler" ||
frame3.Get("inProject").MustBool() != true ||
frame3.Get("lineNumber").MustInt() == 0 {
t.Errorf("Wrong frame3: %v", frame3)
}
}
func TestAutoNotify(t *testing.T) {
var panicked interface{}
func() {
defer func() {
panicked = recover()
}()
defer AutoNotify(Configuration{Endpoint: testEndpoint, APIKey: testAPIKey})
panic("eggs")
}()
if panicked.(string) != "eggs" {
t.Errorf("didn't re-panic")
}
json, err := simplejson.NewJson(<-postedJSON)
if err != nil {
t.Fatal(err)
}
event := json.Get("events").GetIndex(0)
if event.Get("severity").MustString() != "error" {
t.Errorf("severity should be error")
}
exception := event.Get("exceptions").GetIndex(0)
if exception.Get("message").MustString() != "eggs" {
t.Errorf("caught wrong panic")
}
}
func TestRecover(t *testing.T) {
var panicked interface{}
func() {
defer func() {
panicked = recover()
}()
defer Recover(Configuration{Endpoint: testEndpoint, APIKey: testAPIKey})
panic("ham")
}()
if panicked != nil {
t.Errorf("re-panick'd")
}
json, err := simplejson.NewJson(<-postedJSON)
if err != nil {
t.Fatal(err)
}
event := json.Get("events").GetIndex(0)
if event.Get("severity").MustString() != "warning" {
t.Errorf("severity should be warning")
}
exception := event.Get("exceptions").GetIndex(0)
if exception.Get("message").MustString() != "ham" {
t.Errorf("caught wrong panic")
}
}
func handleGet(w http.ResponseWriter, r *http.Request) {
}
var createAccount = handleGet
type _job struct {
Name string
Process func()
}
func ExampleAutoNotify() interface{} {
return func(w http.ResponseWriter, request *http.Request) {
defer AutoNotify(request, Context{"createAccount"})
createAccount(w, request)
}
}
func ExampleRecover(job _job) {
go func() {
defer Recover(Context{job.Name}, SeverityWarning)
job.Process()
}()
}
func ExampleConfigure() {
Configure(Configuration{
APIKey: "YOUR_API_KEY_HERE",
ReleaseStage: "production",
// See Configuration{} for other fields
})
}
func ExampleHandler() {
// Set up your http handlers as usual
http.HandleFunc("/", handleGet)
// use bugsnag.Handler(nil) to wrap the default http handlers
// so that Bugsnag is automatically notified about panics.
http.ListenAndServe(":1234", Handler(nil))
}
func ExampleHandler_customServer() {
// If you're using a custom server, set the handlers explicitly.
http.HandleFunc("/", handleGet)
srv := http.Server{
Addr: ":1234",
ReadTimeout: 10 * time.Second,
// use bugsnag.Handler(nil) to wrap the default http handlers
// so that Bugsnag is automatically notified about panics.
Handler: Handler(nil),
}
srv.ListenAndServe()
}
func ExampleHandler_customHandlers() {
// If you're using custom handlers, wrap the handlers explicitly.
handler := http.NewServeMux()
http.HandleFunc("/", handleGet)
// use bugsnag.Handler(handler) to wrap the handlers so that Bugsnag is
// automatically notified about panics
http.ListenAndServe(":1234", Handler(handler))
}
func ExampleNotify() {
_, err := net.Listen("tcp", ":80")
if err != nil {
Notify(err)
}
}
func ExampleNotify_details(userID string) {
_, err := net.Listen("tcp", ":80")
if err != nil {
Notify(err,
// show as low-severity
SeverityInfo,
// set the context
Context{"createlistener"},
// pass the user id in to count users affected.
User{Id: userID},
// custom meta-data tab
MetaData{
"Listen": {
"Protocol": "tcp",
"Port": "80",
},
},
)
}
}
type Job struct {
Retry bool
UserId string
UserEmail string
Name string
Params map[string]string
}
func ExampleOnBeforeNotify() {
OnBeforeNotify(func(event *Event, config *Configuration) error {
// Search all the RawData for any *Job pointers that we're passed in
// to bugsnag.Notify() and friends.
for _, datum := range event.RawData {
if job, ok := datum.(*Job); ok {
// don't notify bugsnag about errors in retries
if job.Retry {
return fmt.Errorf("bugsnag middleware: not notifying about job retry")
}
// add the job as a tab on Bugsnag.com
event.MetaData.AddStruct("Job", job)
// set the user correctly
event.User = &User{Id: job.UserId, Email: job.UserEmail}
}
}
// continue notifying as normal
return nil
})
}

159
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/configuration.go generated vendored Normal file
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package bugsnag
import (
"log"
"net/http"
"path/filepath"
"strings"
)
// Configuration sets up and customizes communication with the Bugsnag API.
type Configuration struct {
// Your Bugsnag API key, e.g. "c9d60ae4c7e70c4b6c4ebd3e8056d2b8". You can
// find this by clicking Settings on https://bugsnag.com/.
APIKey string
// The Endpoint to notify about crashes. This defaults to
// "https://notify.bugsnag.com/", if you're using Bugsnag Enterprise then
// set it to your internal Bugsnag endpoint.
Endpoint string
// The current release stage. This defaults to "production" and is used to
// filter errors in the Bugsnag dashboard.
ReleaseStage string
// The currently running version of the app. This is used to filter errors
// in the Bugsnag dasboard. If you set this then Bugsnag will only re-open
// resolved errors if they happen in different app versions.
AppVersion string
// The hostname of the current server. This defaults to the return value of
// os.Hostname() and is graphed in the Bugsnag dashboard.
Hostname string
// The Release stages to notify in. If you set this then bugsnag-go will
// only send notifications to Bugsnag if the ReleaseStage is listed here.
NotifyReleaseStages []string
// packages that are part of your app. Bugsnag uses this to determine how
// to group errors and how to display them on your dashboard. You should
// include any packages that are part of your app, and exclude libraries
// and helpers. You can list wildcards here, and they'll be expanded using
// filepath.Glob. The default value is []string{"main*"}
ProjectPackages []string
// Any meta-data that matches these filters will be marked as [REDACTED]
// before sending a Notification to Bugsnag. It defaults to
// []string{"password", "secret"} so that request parameters like password,
// password_confirmation and auth_secret will not be sent to Bugsnag.
ParamsFilters []string
// The PanicHandler is used by Bugsnag to catch unhandled panics in your
// application. The default panicHandler uses mitchellh's panicwrap library,
// and you can disable this feature by passing an empty: func() {}
PanicHandler func()
// The logger that Bugsnag should log to. Uses the same defaults as go's
// builtin logging package. bugsnag-go logs whenever it notifies Bugsnag
// of an error, and when any error occurs inside the library itself.
Logger *log.Logger
// The http Transport to use, defaults to the default http Transport. This
// can be configured if you are in an environment like Google App Engine
// that has stringent conditions on making http requests.
Transport http.RoundTripper
// Whether bugsnag should notify synchronously. This defaults to false which
// causes bugsnag-go to spawn a new goroutine for each notification.
Synchronous bool
// TODO: remember to update the update() function when modifying this struct
}
func (config *Configuration) update(other *Configuration) *Configuration {
if other.APIKey != "" {
config.APIKey = other.APIKey
}
if other.Endpoint != "" {
config.Endpoint = other.Endpoint
}
if other.Hostname != "" {
config.Hostname = other.Hostname
}
if other.AppVersion != "" {
config.AppVersion = other.AppVersion
}
if other.ReleaseStage != "" {
config.ReleaseStage = other.ReleaseStage
}
if other.ParamsFilters != nil {
config.ParamsFilters = other.ParamsFilters
}
if other.ProjectPackages != nil {
config.ProjectPackages = other.ProjectPackages
}
if other.Logger != nil {
config.Logger = other.Logger
}
if other.NotifyReleaseStages != nil {
config.NotifyReleaseStages = other.NotifyReleaseStages
}
if other.PanicHandler != nil {
config.PanicHandler = other.PanicHandler
}
if other.Transport != nil {
config.Transport = other.Transport
}
if other.Synchronous {
config.Synchronous = true
}
return config
}
func (config *Configuration) merge(other *Configuration) *Configuration {
return config.clone().update(other)
}
func (config *Configuration) clone() *Configuration {
clone := *config
return &clone
}
func (config *Configuration) isProjectPackage(pkg string) bool {
for _, p := range config.ProjectPackages {
if match, _ := filepath.Match(p, pkg); match {
return true
}
}
return false
}
func (config *Configuration) stripProjectPackages(file string) string {
for _, p := range config.ProjectPackages {
if len(p) > 2 && p[len(p)-2] == '/' && p[len(p)-1] == '*' {
p = p[:len(p)-1]
} else {
p = p + "/"
}
if strings.HasPrefix(file, p) {
return strings.TrimPrefix(file, p)
}
}
return file
}
func (config *Configuration) log(fmt string, args ...interface{}) {
if config != nil && config.Logger != nil {
config.Logger.Printf(fmt, args...)
} else {
log.Printf(fmt, args...)
}
}
func (config *Configuration) notifyInReleaseStage() bool {
if config.NotifyReleaseStages == nil {
return true
}
for _, r := range config.NotifyReleaseStages {
if r == config.ReleaseStage {
return true
}
}
return false
}

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package bugsnag
import (
"testing"
)
func TestNotifyReleaseStages(t *testing.T) {
var testCases = []struct {
stage string
configured []string
notify bool
msg string
}{
{
stage: "production",
notify: true,
msg: "Should notify in all release stages by default",
},
{
stage: "production",
configured: []string{"development", "production"},
notify: true,
msg: "Failed to notify in configured release stage",
},
{
stage: "staging",
configured: []string{"development", "production"},
notify: false,
msg: "Failed to prevent notification in excluded release stage",
},
}
for _, testCase := range testCases {
Configure(Configuration{ReleaseStage: testCase.stage, NotifyReleaseStages: testCase.configured})
if Config.notifyInReleaseStage() != testCase.notify {
t.Error(testCase.msg)
}
}
}
func TestProjectPackages(t *testing.T) {
Configure(Configuration{ProjectPackages: []string{"main", "github.com/ConradIrwin/*"}})
if !Config.isProjectPackage("main") {
t.Error("literal project package doesn't work")
}
if !Config.isProjectPackage("github.com/ConradIrwin/foo") {
t.Error("wildcard project package doesn't work")
}
if Config.isProjectPackage("runtime") {
t.Error("wrong packges being marked in project")
}
if Config.isProjectPackage("github.com/ConradIrwin/foo/bar") {
t.Error("wrong packges being marked in project")
}
}

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/*
Package bugsnag captures errors in real-time and reports them to Bugsnag (http://bugsnag.com).
Using bugsnag-go is a three-step process.
1. As early as possible in your program configure the notifier with your APIKey. This sets up
handling of panics that would otherwise crash your app.
func init() {
bugsnag.Configure(bugsnag.Configuration{
APIKey: "YOUR_API_KEY_HERE",
})
}
2. Add bugsnag to places that already catch panics. For example you should add it to the HTTP server
when you call ListenAndServer:
http.ListenAndServe(":8080", bugsnag.Handler(nil))
If that's not possible, for example because you're using Google App Engine, you can also wrap each
HTTP handler manually:
http.HandleFunc("/" bugsnag.HandlerFunc(func (w http.ResponseWriter, r *http.Request) {
...
})
3. To notify Bugsnag of an error that is not a panic, pass it to bugsnag.Notify. This will also
log the error message using the configured Logger.
if err != nil {
bugsnag.Notify(err)
}
For detailed integration instructions see https://bugsnag.com/docs/notifiers/go.
Configuration
The only required configuration is the Bugsnag API key which can be obtained by clicking "Settings"
on the top of https://bugsnag.com/ after signing up. We also recommend you set the ReleaseStage
and AppVersion if these make sense for your deployment workflow.
RawData
If you need to attach extra data to Bugsnag notifications you can do that using
the rawData mechanism. Most of the functions that send errors to Bugsnag allow
you to pass in any number of interface{} values as rawData. The rawData can
consist of the Severity, Context, User or MetaData types listed below, and
there is also builtin support for *http.Requests.
bugsnag.Notify(err, bugsnag.SeverityError)
If you want to add custom tabs to your bugsnag dashboard you can pass any value in as rawData,
and then process it into the event's metadata using a bugsnag.OnBeforeNotify() hook.
bugsnag.Notify(err, account)
bugsnag.OnBeforeNotify(func (e *bugsnag.Event, c *bugsnag.Configuration) {
for datum := range e.RawData {
if account, ok := datum.(Account); ok {
e.MetaData.Add("account", "name", account.Name)
e.MetaData.Add("account", "url", account.URL)
}
}
})
If necessary you can pass Configuration in as rawData, or modify the Configuration object passed
into OnBeforeNotify hooks. Configuration passed in this way only affects the current notification.
*/
package bugsnag

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Adds stacktraces to errors in golang.
This was made to help build the Bugsnag notifier but can be used standalone if
you like to have stacktraces on errors.
See [Godoc](https://godoc.org/github.com/bugsnag/bugsnag-go/errors) for the API docs.

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// Package errors provides errors that have stack-traces.
package errors
import (
"bytes"
"fmt"
"reflect"
"runtime"
)
// The maximum number of stackframes on any error.
var MaxStackDepth = 50
// Error is an error with an attached stacktrace. It can be used
// wherever the builtin error interface is expected.
type Error struct {
Err error
stack []uintptr
frames []StackFrame
}
// New makes an Error from the given value. If that value is already an
// error then it will be used directly, if not, it will be passed to
// fmt.Errorf("%v"). The skip parameter indicates how far up the stack
// to start the stacktrace. 0 is from the current call, 1 from its caller, etc.
func New(e interface{}, skip int) *Error {
var err error
switch e := e.(type) {
case *Error:
return e
case error:
err = e
default:
err = fmt.Errorf("%v", e)
}
stack := make([]uintptr, MaxStackDepth)
length := runtime.Callers(2+skip, stack[:])
return &Error{
Err: err,
stack: stack[:length],
}
}
// Errorf creates a new error with the given message. You can use it
// as a drop-in replacement for fmt.Errorf() to provide descriptive
// errors in return values.
func Errorf(format string, a ...interface{}) *Error {
return New(fmt.Errorf(format, a...), 1)
}
// Error returns the underlying error's message.
func (err *Error) Error() string {
return err.Err.Error()
}
// Stack returns the callstack formatted the same way that go does
// in runtime/debug.Stack()
func (err *Error) Stack() []byte {
buf := bytes.Buffer{}
for _, frame := range err.StackFrames() {
buf.WriteString(frame.String())
}
return buf.Bytes()
}
// StackFrames returns an array of frames containing information about the
// stack.
func (err *Error) StackFrames() []StackFrame {
if err.frames == nil {
err.frames = make([]StackFrame, len(err.stack))
for i, pc := range err.stack {
err.frames[i] = NewStackFrame(pc)
}
}
return err.frames
}
// TypeName returns the type this error. e.g. *errors.stringError.
func (err *Error) TypeName() string {
if _, ok := err.Err.(uncaughtPanic); ok {
return "panic"
}
return reflect.TypeOf(err.Err).String()
}

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package errors
import (
"bytes"
"fmt"
"io"
"runtime/debug"
"testing"
)
func TestStackFormatMatches(t *testing.T) {
defer func() {
err := recover()
if err != 'a' {
t.Fatal(err)
}
bs := [][]byte{Errorf("hi").Stack(), debug.Stack()}
// Ignore the first line (as it contains the PC of the .Stack() call)
bs[0] = bytes.SplitN(bs[0], []byte("\n"), 2)[1]
bs[1] = bytes.SplitN(bs[1], []byte("\n"), 2)[1]
if bytes.Compare(bs[0], bs[1]) != 0 {
t.Errorf("Stack didn't match")
t.Errorf("%s", bs[0])
t.Errorf("%s", bs[1])
}
}()
a()
}
func TestSkipWorks(t *testing.T) {
defer func() {
err := recover()
if err != 'a' {
t.Fatal(err)
}
bs := [][]byte{New("hi", 2).Stack(), debug.Stack()}
// should skip four lines of debug.Stack()
bs[1] = bytes.SplitN(bs[1], []byte("\n"), 5)[4]
if bytes.Compare(bs[0], bs[1]) != 0 {
t.Errorf("Stack didn't match")
t.Errorf("%s", bs[0])
t.Errorf("%s", bs[1])
}
}()
a()
}
func TestNewError(t *testing.T) {
e := func() error {
return New("hi", 1)
}()
if e.Error() != "hi" {
t.Errorf("Constructor with a string failed")
}
if New(fmt.Errorf("yo"), 0).Error() != "yo" {
t.Errorf("Constructor with an error failed")
}
if New(e, 0) != e {
t.Errorf("Constructor with an Error failed")
}
if New(nil, 0).Error() != "<nil>" {
t.Errorf("Constructor with nil failed")
}
}
func ExampleErrorf(x int) (int, error) {
if x%2 == 1 {
return 0, Errorf("can only halve even numbers, got %d", x)
}
return x / 2, nil
}
func ExampleNewError() (error, error) {
// Wrap io.EOF with the current stack-trace and return it
return nil, New(io.EOF, 0)
}
func ExampleNewError_skip() {
defer func() {
if err := recover(); err != nil {
// skip 1 frame (the deferred function) and then return the wrapped err
err = New(err, 1)
}
}()
}
func ExampleError_Stack(err Error) {
fmt.Printf("Error: %s\n%s", err.Error(), err.Stack())
}
func a() error {
b(5)
return nil
}
func b(i int) {
c()
}
func c() {
panic('a')
}

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package errors
import (
"strconv"
"strings"
)
type uncaughtPanic struct{ message string }
func (p uncaughtPanic) Error() string {
return p.message
}
// ParsePanic allows you to get an error object from the output of a go program
// that panicked. This is particularly useful with https://github.com/mitchellh/panicwrap.
func ParsePanic(text string) (*Error, error) {
lines := strings.Split(text, "\n")
state := "start"
var message string
var stack []StackFrame
for i := 0; i < len(lines); i++ {
line := lines[i]
if state == "start" {
if strings.HasPrefix(line, "panic: ") {
message = strings.TrimPrefix(line, "panic: ")
state = "seek"
} else {
return nil, Errorf("bugsnag.panicParser: Invalid line (no prefix): %s", line)
}
} else if state == "seek" {
if strings.HasPrefix(line, "goroutine ") && strings.HasSuffix(line, "[running]:") {
state = "parsing"
}
} else if state == "parsing" {
if line == "" {
state = "done"
break
}
createdBy := false
if strings.HasPrefix(line, "created by ") {
line = strings.TrimPrefix(line, "created by ")
createdBy = true
}
i++
if i >= len(lines) {
return nil, Errorf("bugsnag.panicParser: Invalid line (unpaired): %s", line)
}
frame, err := parsePanicFrame(line, lines[i], createdBy)
if err != nil {
return nil, err
}
stack = append(stack, *frame)
if createdBy {
state = "done"
break
}
}
}
if state == "done" || state == "parsing" {
return &Error{Err: uncaughtPanic{message}, frames: stack}, nil
}
return nil, Errorf("could not parse panic: %v", text)
}
// The lines we're passing look like this:
//
// main.(*foo).destruct(0xc208067e98)
// /0/go/src/github.com/bugsnag/bugsnag-go/pan/main.go:22 +0x151
func parsePanicFrame(name string, line string, createdBy bool) (*StackFrame, error) {
idx := strings.LastIndex(name, "(")
if idx == -1 && !createdBy {
return nil, Errorf("bugsnag.panicParser: Invalid line (no call): %s", name)
}
if idx != -1 {
name = name[:idx]
}
pkg := ""
if lastslash := strings.LastIndex(name, "/"); lastslash >= 0 {
pkg += name[:lastslash] + "/"
name = name[lastslash+1:]
}
if period := strings.Index(name, "."); period >= 0 {
pkg += name[:period]
name = name[period+1:]
}
name = strings.Replace(name, "·", ".", -1)
if !strings.HasPrefix(line, "\t") {
return nil, Errorf("bugsnag.panicParser: Invalid line (no tab): %s", line)
}
idx = strings.LastIndex(line, ":")
if idx == -1 {
return nil, Errorf("bugsnag.panicParser: Invalid line (no line number): %s", line)
}
file := line[1:idx]
number := line[idx+1:]
if idx = strings.Index(number, " +"); idx > -1 {
number = number[:idx]
}
lno, err := strconv.ParseInt(number, 10, 32)
if err != nil {
return nil, Errorf("bugsnag.panicParser: Invalid line (bad line number): %s", line)
}
return &StackFrame{
File: file,
LineNumber: int(lno),
Package: pkg,
Name: name,
}, nil
}

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package errors
import (
"reflect"
"testing"
)
var createdBy = `panic: hello!
goroutine 54 [running]:
runtime.panic(0x35ce40, 0xc208039db0)
/0/c/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers.func·001()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go:13 +0x74
net/http.(*Server).Serve(0xc20806c780, 0x910c88, 0xc20803e168, 0x0, 0x0)
/0/c/go/src/pkg/net/http/server.go:1698 +0x91
created by github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers.App.Index
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go:14 +0x3e
goroutine 16 [IO wait]:
net.runtime_pollWait(0x911c30, 0x72, 0x0)
/0/c/go/src/pkg/runtime/netpoll.goc:146 +0x66
net.(*pollDesc).Wait(0xc2080ba990, 0x72, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:84 +0x46
net.(*pollDesc).WaitRead(0xc2080ba990, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:89 +0x42
net.(*netFD).accept(0xc2080ba930, 0x58be30, 0x0, 0x9103f0, 0x23)
/0/c/go/src/pkg/net/fd_unix.go:409 +0x343
net.(*TCPListener).AcceptTCP(0xc20803e168, 0x8, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:234 +0x5d
net.(*TCPListener).Accept(0xc20803e168, 0x0, 0x0, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:244 +0x4b
github.com/revel/revel.Run(0xe6d9)
/0/go/src/github.com/revel/revel/server.go:113 +0x926
main.main()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/tmp/main.go:109 +0xe1a
`
var normalSplit = `panic: hello!
goroutine 54 [running]:
runtime.panic(0x35ce40, 0xc208039db0)
/0/c/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers.func·001()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go:13 +0x74
net/http.(*Server).Serve(0xc20806c780, 0x910c88, 0xc20803e168, 0x0, 0x0)
/0/c/go/src/pkg/net/http/server.go:1698 +0x91
goroutine 16 [IO wait]:
net.runtime_pollWait(0x911c30, 0x72, 0x0)
/0/c/go/src/pkg/runtime/netpoll.goc:146 +0x66
net.(*pollDesc).Wait(0xc2080ba990, 0x72, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:84 +0x46
net.(*pollDesc).WaitRead(0xc2080ba990, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:89 +0x42
net.(*netFD).accept(0xc2080ba930, 0x58be30, 0x0, 0x9103f0, 0x23)
/0/c/go/src/pkg/net/fd_unix.go:409 +0x343
net.(*TCPListener).AcceptTCP(0xc20803e168, 0x8, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:234 +0x5d
net.(*TCPListener).Accept(0xc20803e168, 0x0, 0x0, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:244 +0x4b
github.com/revel/revel.Run(0xe6d9)
/0/go/src/github.com/revel/revel/server.go:113 +0x926
main.main()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/tmp/main.go:109 +0xe1a
`
var lastGoroutine = `panic: hello!
goroutine 16 [IO wait]:
net.runtime_pollWait(0x911c30, 0x72, 0x0)
/0/c/go/src/pkg/runtime/netpoll.goc:146 +0x66
net.(*pollDesc).Wait(0xc2080ba990, 0x72, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:84 +0x46
net.(*pollDesc).WaitRead(0xc2080ba990, 0x0, 0x0)
/0/c/go/src/pkg/net/fd_poll_runtime.go:89 +0x42
net.(*netFD).accept(0xc2080ba930, 0x58be30, 0x0, 0x9103f0, 0x23)
/0/c/go/src/pkg/net/fd_unix.go:409 +0x343
net.(*TCPListener).AcceptTCP(0xc20803e168, 0x8, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:234 +0x5d
net.(*TCPListener).Accept(0xc20803e168, 0x0, 0x0, 0x0, 0x0)
/0/c/go/src/pkg/net/tcpsock_posix.go:244 +0x4b
github.com/revel/revel.Run(0xe6d9)
/0/go/src/github.com/revel/revel/server.go:113 +0x926
main.main()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/tmp/main.go:109 +0xe1a
goroutine 54 [running]:
runtime.panic(0x35ce40, 0xc208039db0)
/0/c/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers.func·001()
/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go:13 +0x74
net/http.(*Server).Serve(0xc20806c780, 0x910c88, 0xc20803e168, 0x0, 0x0)
/0/c/go/src/pkg/net/http/server.go:1698 +0x91
`
var result = []StackFrame{
StackFrame{File: "/0/c/go/src/pkg/runtime/panic.c", LineNumber: 279, Name: "panic", Package: "runtime"},
StackFrame{File: "/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go", LineNumber: 13, Name: "func.001", Package: "github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers"},
StackFrame{File: "/0/c/go/src/pkg/net/http/server.go", LineNumber: 1698, Name: "(*Server).Serve", Package: "net/http"},
}
var resultCreatedBy = append(result,
StackFrame{File: "/0/go/src/github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers/app.go", LineNumber: 14, Name: "App.Index", Package: "github.com/loopj/bugsnag-example-apps/go/revelapp/app/controllers", ProgramCounter: 0x0})
func TestParsePanic(t *testing.T) {
todo := map[string]string{
"createdBy": createdBy,
"normalSplit": normalSplit,
"lastGoroutine": lastGoroutine,
}
for key, val := range todo {
Err, err := ParsePanic(val)
if err != nil {
t.Fatal(err)
}
if Err.TypeName() != "panic" {
t.Errorf("Wrong type: %s", Err.TypeName())
}
if Err.Error() != "hello!" {
t.Errorf("Wrong message: %s", Err.TypeName())
}
if Err.StackFrames()[0].Func() != nil {
t.Errorf("Somehow managed to find a func...")
}
result := result
if key == "createdBy" {
result = resultCreatedBy
}
if !reflect.DeepEqual(Err.StackFrames(), result) {
t.Errorf("Wrong stack for %s: %#v", key, Err.StackFrames())
}
}
}

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package errors
import (
"bytes"
"fmt"
"io/ioutil"
"runtime"
"strings"
)
// A StackFrame contains all necessary information about to generate a line
// in a callstack.
type StackFrame struct {
File string
LineNumber int
Name string
Package string
ProgramCounter uintptr
}
// NewStackFrame popoulates a stack frame object from the program counter.
func NewStackFrame(pc uintptr) (frame StackFrame) {
frame = StackFrame{ProgramCounter: pc}
if frame.Func() == nil {
return
}
frame.Package, frame.Name = packageAndName(frame.Func())
// pc -1 because the program counters we use are usually return addresses,
// and we want to show the line that corresponds to the function call
frame.File, frame.LineNumber = frame.Func().FileLine(pc - 1)
return
}
// Func returns the function that this stackframe corresponds to
func (frame *StackFrame) Func() *runtime.Func {
if frame.ProgramCounter == 0 {
return nil
}
return runtime.FuncForPC(frame.ProgramCounter)
}
// String returns the stackframe formatted in the same way as go does
// in runtime/debug.Stack()
func (frame *StackFrame) String() string {
str := fmt.Sprintf("%s:%d (0x%x)\n", frame.File, frame.LineNumber, frame.ProgramCounter)
source, err := frame.SourceLine()
if err != nil {
return str
}
return str + fmt.Sprintf("\t%s: %s\n", frame.Name, source)
}
// SourceLine gets the line of code (from File and Line) of the original source if possible
func (frame *StackFrame) SourceLine() (string, error) {
data, err := ioutil.ReadFile(frame.File)
if err != nil {
return "", err
}
lines := bytes.Split(data, []byte{'\n'})
if frame.LineNumber <= 0 || frame.LineNumber >= len(lines) {
return "???", nil
}
// -1 because line-numbers are 1 based, but our array is 0 based
return string(bytes.Trim(lines[frame.LineNumber-1], " \t")), nil
}
func packageAndName(fn *runtime.Func) (string, string) {
name := fn.Name()
pkg := ""
// The name includes the path name to the package, which is unnecessary
// since the file name is already included. Plus, it has center dots.
// That is, we see
// runtime/debug.*T·ptrmethod
// and want
// *T.ptrmethod
// Since the package path might contains dots (e.g. code.google.com/...),
// we first remove the path prefix if there is one.
if lastslash := strings.LastIndex(name, "/"); lastslash >= 0 {
pkg += name[:lastslash] + "/"
name = name[lastslash+1:]
}
if period := strings.Index(name, "."); period >= 0 {
pkg += name[:period]
name = name[period+1:]
}
name = strings.Replace(name, "·", ".", -1)
return pkg, name
}

134
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/event.go generated vendored Normal file
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package bugsnag
import (
"strings"
"github.com/bugsnag/bugsnag-go/errors"
)
// Context is the context of the error in Bugsnag.
// This can be passed to Notify, Recover or AutoNotify as rawData.
type Context struct {
String string
}
// User represents the searchable user-data on Bugsnag. The Id is also used
// to determine the number of users affected by a bug. This can be
// passed to Notify, Recover or AutoNotify as rawData.
type User struct {
Id string `json:"id,omitempty"`
Name string `json:"name,omitempty"`
Email string `json:"email,omitempty"`
}
// Sets the severity of the error on Bugsnag. These values can be
// passed to Notify, Recover or AutoNotify as rawData.
var (
SeverityError = severity{"error"}
SeverityWarning = severity{"warning"}
SeverityInfo = severity{"info"}
)
// The severity tag type, private so that people can only use Error,Warning,Info
type severity struct {
String string
}
// The form of stacktrace that Bugsnag expects
type stackFrame struct {
Method string `json:"method"`
File string `json:"file"`
LineNumber int `json:"lineNumber"`
InProject bool `json:"inProject,omitempty"`
}
// Event represents a payload of data that gets sent to Bugsnag.
// This is passed to each OnBeforeNotify hook.
type Event struct {
// The original error that caused this event, not sent to Bugsnag.
Error *errors.Error
// The rawData affecting this error, not sent to Bugsnag.
RawData []interface{}
// The error class to be sent to Bugsnag. This defaults to the type name of the Error, for
// example *error.String
ErrorClass string
// The error message to be sent to Bugsnag. This defaults to the return value of Error.Error()
Message string
// The stacktrrace of the error to be sent to Bugsnag.
Stacktrace []stackFrame
// The context to be sent to Bugsnag. This should be set to the part of the app that was running,
// e.g. for http requests, set it to the path.
Context string
// The severity of the error. Can be SeverityError, SeverityWarning or SeverityInfo.
Severity severity
// The grouping hash is used to override Bugsnag's grouping. Set this if you'd like all errors with
// the same grouping hash to group together in the dashboard.
GroupingHash string
// User data to send to Bugsnag. This is searchable on the dashboard.
User *User
// Other MetaData to send to Bugsnag. Appears as a set of tabbed tables in the dashboard.
MetaData MetaData
}
func newEvent(err *errors.Error, rawData []interface{}, notifier *Notifier) (*Event, *Configuration) {
config := notifier.Config
event := &Event{
Error: err,
RawData: append(notifier.RawData, rawData...),
ErrorClass: err.TypeName(),
Message: err.Error(),
Stacktrace: make([]stackFrame, len(err.StackFrames())),
Severity: SeverityWarning,
MetaData: make(MetaData),
}
for _, datum := range event.RawData {
switch datum := datum.(type) {
case severity:
event.Severity = datum
case Context:
event.Context = datum.String
case Configuration:
config = config.merge(&datum)
case MetaData:
event.MetaData.Update(datum)
case User:
event.User = &datum
}
}
for i, frame := range err.StackFrames() {
file := frame.File
inProject := config.isProjectPackage(frame.Package)
// remove $GOROOT and $GOHOME from other frames
if idx := strings.Index(file, frame.Package); idx > -1 {
file = file[idx:]
}
if inProject {
file = config.stripProjectPackages(file)
}
event.Stacktrace[i] = stackFrame{
Method: frame.Name,
File: file,
LineNumber: frame.LineNumber,
InProject: inProject,
}
}
return event, config
}

43
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/json_tags.go generated vendored Normal file
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// The code is stripped from:
// http://golang.org/src/pkg/encoding/json/tags.go?m=text
package bugsnag
import (
"strings"
)
// tagOptions is the string following a comma in a struct field's "json"
// tag, or the empty string. It does not include the leading comma.
type tagOptions string
// parseTag splits a struct field's json tag into its name and
// comma-separated options.
func parseTag(tag string) (string, tagOptions) {
if idx := strings.Index(tag, ","); idx != -1 {
return tag[:idx], tagOptions(tag[idx+1:])
}
return tag, tagOptions("")
}
// Contains reports whether a comma-separated list of options
// contains a particular substr flag. substr must be surrounded by a
// string boundary or commas.
func (o tagOptions) Contains(optionName string) bool {
if len(o) == 0 {
return false
}
s := string(o)
for s != "" {
var next string
i := strings.Index(s, ",")
if i >= 0 {
s, next = s[:i], s[i+1:]
}
if s == optionName {
return true
}
s = next
}
return false
}

185
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/metadata.go generated vendored Normal file
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@ -0,0 +1,185 @@
package bugsnag
import (
"fmt"
"reflect"
"strings"
)
// MetaData is added to the Bugsnag dashboard in tabs. Each tab is
// a map of strings -> values. You can pass MetaData to Notify, Recover
// and AutoNotify as rawData.
type MetaData map[string]map[string]interface{}
// Update the meta-data with more information. Tabs are merged together such
// that unique keys from both sides are preserved, and duplicate keys end up
// with the provided values.
func (meta MetaData) Update(other MetaData) {
for name, tab := range other {
if meta[name] == nil {
meta[name] = make(map[string]interface{})
}
for key, value := range tab {
meta[name][key] = value
}
}
}
// Add creates a tab of Bugsnag meta-data.
// If the tab doesn't yet exist it will be created.
// If the key already exists, it will be overwritten.
func (meta MetaData) Add(tab string, key string, value interface{}) {
if meta[tab] == nil {
meta[tab] = make(map[string]interface{})
}
meta[tab][key] = value
}
// AddStruct creates a tab of Bugsnag meta-data.
// The struct will be converted to an Object using the
// reflect library so any private fields will not be exported.
// As a safety measure, if you pass a non-struct the value will be
// sent to Bugsnag under the "Extra data" tab.
func (meta MetaData) AddStruct(tab string, obj interface{}) {
val := sanitizer{}.Sanitize(obj)
content, ok := val.(map[string]interface{})
if ok {
meta[tab] = content
} else {
// Wasn't a struct
meta.Add("Extra data", tab, obj)
}
}
// Remove any values from meta-data that have keys matching the filters,
// and any that are recursive data-structures
func (meta MetaData) sanitize(filters []string) interface{} {
return sanitizer{
Filters: filters,
Seen: make([]interface{}, 0),
}.Sanitize(meta)
}
// The sanitizer is used to remove filtered params and recursion from meta-data.
type sanitizer struct {
Filters []string
Seen []interface{}
}
func (s sanitizer) Sanitize(data interface{}) interface{} {
for _, s := range s.Seen {
// TODO: we don't need deep equal here, just type-ignoring equality
if reflect.DeepEqual(data, s) {
return "[RECURSION]"
}
}
// Sanitizers are passed by value, so we can modify s and it only affects
// s.Seen for nested calls.
s.Seen = append(s.Seen, data)
t := reflect.TypeOf(data)
v := reflect.ValueOf(data)
switch t.Kind() {
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr,
reflect.Float32, reflect.Float64:
return data
case reflect.String:
return data
case reflect.Interface, reflect.Ptr:
return s.Sanitize(v.Elem().Interface())
case reflect.Array, reflect.Slice:
ret := make([]interface{}, v.Len())
for i := 0; i < v.Len(); i++ {
ret[i] = s.Sanitize(v.Index(i).Interface())
}
return ret
case reflect.Map:
return s.sanitizeMap(v)
case reflect.Struct:
return s.sanitizeStruct(v, t)
// Things JSON can't serialize:
// case t.Chan, t.Func, reflect.Complex64, reflect.Complex128, reflect.UnsafePointer:
default:
return "[" + t.String() + "]"
}
}
func (s sanitizer) sanitizeMap(v reflect.Value) interface{} {
ret := make(map[string]interface{})
for _, key := range v.MapKeys() {
val := s.Sanitize(v.MapIndex(key).Interface())
newKey := fmt.Sprintf("%v", key.Interface())
if s.shouldRedact(newKey) {
val = "[REDACTED]"
}
ret[newKey] = val
}
return ret
}
func (s sanitizer) sanitizeStruct(v reflect.Value, t reflect.Type) interface{} {
ret := make(map[string]interface{})
for i := 0; i < v.NumField(); i++ {
val := v.Field(i)
// Don't export private fields
if !val.CanInterface() {
continue
}
name := t.Field(i).Name
var opts tagOptions
// Parse JSON tags. Supports name and "omitempty"
if jsonTag := t.Field(i).Tag.Get("json"); len(jsonTag) != 0 {
name, opts = parseTag(jsonTag)
}
if s.shouldRedact(name) {
ret[name] = "[REDACTED]"
} else {
sanitized := s.Sanitize(val.Interface())
if str, ok := sanitized.(string); ok {
if !(opts.Contains("omitempty") && len(str) == 0) {
ret[name] = str
}
} else {
ret[name] = sanitized
}
}
}
return ret
}
func (s sanitizer) shouldRedact(key string) bool {
for _, filter := range s.Filters {
if strings.Contains(strings.ToLower(filter), strings.ToLower(key)) {
return true
}
}
return false
}

182
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/metadata_test.go generated vendored Normal file
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@ -0,0 +1,182 @@
package bugsnag
import (
"reflect"
"testing"
"unsafe"
"github.com/bugsnag/bugsnag-go/errors"
)
type _account struct {
ID string
Name string
Plan struct {
Premium bool
}
Password string
secret string
Email string `json:"email"`
EmptyEmail string `json:"emptyemail,omitempty"`
NotEmptyEmail string `json:"not_empty_email,omitempty"`
}
type _broken struct {
Me *_broken
Data string
}
var account = _account{}
var notifier = New(Configuration{})
func TestMetaDataAdd(t *testing.T) {
m := MetaData{
"one": {
"key": "value",
"override": false,
}}
m.Add("one", "override", true)
m.Add("one", "new", "key")
m.Add("new", "tab", account)
m.AddStruct("lol", "not really a struct")
m.AddStruct("account", account)
if !reflect.DeepEqual(m, MetaData{
"one": {
"key": "value",
"override": true,
"new": "key",
},
"new": {
"tab": account,
},
"Extra data": {
"lol": "not really a struct",
},
"account": {
"ID": "",
"Name": "",
"Plan": map[string]interface{}{
"Premium": false,
},
"Password": "",
"email": "",
},
}) {
t.Errorf("metadata.Add didn't work: %#v", m)
}
}
func TestMetaDataUpdate(t *testing.T) {
m := MetaData{
"one": {
"key": "value",
"override": false,
}}
m.Update(MetaData{
"one": {
"override": true,
"new": "key",
},
"new": {
"tab": account,
},
})
if !reflect.DeepEqual(m, MetaData{
"one": {
"key": "value",
"override": true,
"new": "key",
},
"new": {
"tab": account,
},
}) {
t.Errorf("metadata.Update didn't work: %#v", m)
}
}
func TestMetaDataSanitize(t *testing.T) {
var broken = _broken{}
broken.Me = &broken
broken.Data = "ohai"
account.Name = "test"
account.ID = "test"
account.secret = "hush"
account.Email = "example@example.com"
account.EmptyEmail = ""
account.NotEmptyEmail = "not_empty_email@example.com"
m := MetaData{
"one": {
"bool": true,
"int": 7,
"float": 7.1,
"complex": complex(1, 1),
"func": func() {},
"unsafe": unsafe.Pointer(broken.Me),
"string": "string",
"password": "secret",
"array": []hash{{
"creditcard": "1234567812345678",
"broken": broken,
}},
"broken": broken,
"account": account,
},
}
n := m.sanitize([]string{"password", "creditcard"})
if !reflect.DeepEqual(n, map[string]interface{}{
"one": map[string]interface{}{
"bool": true,
"int": 7,
"float": 7.1,
"complex": "[complex128]",
"string": "string",
"unsafe": "[unsafe.Pointer]",
"func": "[func()]",
"password": "[REDACTED]",
"array": []interface{}{map[string]interface{}{
"creditcard": "[REDACTED]",
"broken": map[string]interface{}{
"Me": "[RECURSION]",
"Data": "ohai",
},
}},
"broken": map[string]interface{}{
"Me": "[RECURSION]",
"Data": "ohai",
},
"account": map[string]interface{}{
"ID": "test",
"Name": "test",
"Plan": map[string]interface{}{
"Premium": false,
},
"Password": "[REDACTED]",
"email": "example@example.com",
"not_empty_email": "not_empty_email@example.com",
},
},
}) {
t.Errorf("metadata.Sanitize didn't work: %#v", n)
}
}
func ExampleMetaData() {
notifier.Notify(errors.Errorf("hi world"),
MetaData{"Account": {
"id": account.ID,
"name": account.Name,
"paying?": account.Plan.Premium,
}})
}

96
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/middleware.go generated vendored Normal file
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package bugsnag
import (
"net/http"
"strings"
)
type (
beforeFunc func(*Event, *Configuration) error
// MiddlewareStacks keep middleware in the correct order. They are
// called in reverse order, so if you add a new middleware it will
// be called before all existing middleware.
middlewareStack struct {
before []beforeFunc
}
)
// AddMiddleware adds a new middleware to the outside of the existing ones,
// when the middlewareStack is Run it will be run before all middleware that
// have been added before.
func (stack *middlewareStack) OnBeforeNotify(middleware beforeFunc) {
stack.before = append(stack.before, middleware)
}
// Run causes all the middleware to be run. If they all permit it the next callback
// will be called with all the middleware on the stack.
func (stack *middlewareStack) Run(event *Event, config *Configuration, next func() error) error {
// run all the before filters in reverse order
for i := range stack.before {
before := stack.before[len(stack.before)-i-1]
err := stack.runBeforeFilter(before, event, config)
if err != nil {
return err
}
}
return next()
}
func (stack *middlewareStack) runBeforeFilter(f beforeFunc, event *Event, config *Configuration) error {
defer func() {
if err := recover(); err != nil {
config.log("bugsnag/middleware: unexpected panic: %v", err)
}
}()
return f(event, config)
}
// catchMiddlewarePanic is used to log any panics that happen inside Middleware,
// we wouldn't want to not notify Bugsnag in this case.
func catchMiddlewarePanic(event *Event, config *Configuration, next func() error) {
}
// httpRequestMiddleware is added OnBeforeNotify by default. It takes information
// from an http.Request passed in as rawData, and adds it to the Event. You can
// use this as a template for writing your own Middleware.
func httpRequestMiddleware(event *Event, config *Configuration) error {
for _, datum := range event.RawData {
if request, ok := datum.(*http.Request); ok {
proto := "http://"
if request.TLS != nil {
proto = "https://"
}
event.MetaData.Update(MetaData{
"Request": {
"RemoteAddr": request.RemoteAddr,
"Method": request.Method,
"Url": proto + request.Host + request.RequestURI,
"Params": request.URL.Query(),
},
})
// Add headers as a separate tab.
event.MetaData.AddStruct("Headers", request.Header)
// Default context to Path
if event.Context == "" {
event.Context = request.URL.Path
}
// Default user.id to IP so that users-affected works.
if event.User == nil {
ip := request.RemoteAddr
if idx := strings.LastIndex(ip, ":"); idx != -1 {
ip = ip[:idx]
}
event.User = &User{Id: ip}
}
}
}
return nil
}

88
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/middleware_test.go generated vendored Normal file
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package bugsnag
import (
"bytes"
"fmt"
"log"
"reflect"
"testing"
)
func TestMiddlewareOrder(t *testing.T) {
result := make([]int, 0, 7)
stack := middlewareStack{}
stack.OnBeforeNotify(func(e *Event, c *Configuration) error {
result = append(result, 2)
return nil
})
stack.OnBeforeNotify(func(e *Event, c *Configuration) error {
result = append(result, 1)
return nil
})
stack.OnBeforeNotify(func(e *Event, c *Configuration) error {
result = append(result, 0)
return nil
})
stack.Run(nil, nil, func() error {
result = append(result, 3)
return nil
})
if !reflect.DeepEqual(result, []int{0, 1, 2, 3}) {
t.Errorf("unexpected middleware order %v", result)
}
}
func TestBeforeNotifyReturnErr(t *testing.T) {
stack := middlewareStack{}
err := fmt.Errorf("test")
stack.OnBeforeNotify(func(e *Event, c *Configuration) error {
return err
})
called := false
e := stack.Run(nil, nil, func() error {
called = true
return nil
})
if e != err {
t.Errorf("Middleware didn't return the error")
}
if called == true {
t.Errorf("Notify was called when BeforeNotify returned False")
}
}
func TestBeforeNotifyPanic(t *testing.T) {
stack := middlewareStack{}
stack.OnBeforeNotify(func(e *Event, c *Configuration) error {
panic("oops")
})
called := false
b := &bytes.Buffer{}
stack.Run(nil, &Configuration{Logger: log.New(b, log.Prefix(), 0)}, func() error {
called = true
return nil
})
logged := b.String()
if logged != "bugsnag/middleware: unexpected panic: oops\n" {
t.Errorf("Logged: %s", logged)
}
if called == false {
t.Errorf("Notify was not called when BeforeNotify panicked")
}
}

95
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/notifier.go generated vendored Normal file
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package bugsnag
import (
"fmt"
"github.com/bugsnag/bugsnag-go/errors"
)
// Notifier sends errors to Bugsnag.
type Notifier struct {
Config *Configuration
RawData []interface{}
}
// New creates a new notifier.
// You can pass an instance of bugsnag.Configuration in rawData to change the configuration.
// Other values of rawData will be passed to Notify.
func New(rawData ...interface{}) *Notifier {
config := Config.clone()
for i, datum := range rawData {
if c, ok := datum.(Configuration); ok {
config.update(&c)
rawData[i] = nil
}
}
return &Notifier{
Config: config,
RawData: rawData,
}
}
// Notify sends an error to Bugsnag. Any rawData you pass here will be sent to
// Bugsnag after being converted to JSON. e.g. bugsnag.SeverityError, bugsnag.Context,
// or bugsnag.MetaData.
func (notifier *Notifier) Notify(err error, rawData ...interface{}) (e error) {
event, config := newEvent(errors.New(err, 1), rawData, notifier)
// Never block, start throwing away errors if we have too many.
e = middleware.Run(event, config, func() error {
config.log("notifying bugsnag: %s", event.Message)
if config.notifyInReleaseStage() {
if config.Synchronous {
return (&payload{event, config}).deliver()
}
go (&payload{event, config}).deliver()
return nil
}
return fmt.Errorf("not notifying in %s", config.ReleaseStage)
})
if e != nil {
config.log("bugsnag.Notify: %v", e)
}
return e
}
// AutoNotify notifies Bugsnag of any panics, then repanics.
// It sends along any rawData that gets passed in.
// Usage: defer AutoNotify()
func (notifier *Notifier) AutoNotify(rawData ...interface{}) {
if err := recover(); err != nil {
rawData = notifier.addDefaultSeverity(rawData, SeverityError)
notifier.Notify(errors.New(err, 2), rawData...)
panic(err)
}
}
// Recover logs any panics, then recovers.
// It sends along any rawData that gets passed in.
// Usage: defer Recover()
func (notifier *Notifier) Recover(rawData ...interface{}) {
if err := recover(); err != nil {
rawData = notifier.addDefaultSeverity(rawData, SeverityWarning)
notifier.Notify(errors.New(err, 2), rawData...)
}
}
func (notifier *Notifier) dontPanic() {
if err := recover(); err != nil {
notifier.Config.log("bugsnag/notifier.Notify: panic! %s", err)
}
}
// Add a severity to raw data only if the default is not set.
func (notifier *Notifier) addDefaultSeverity(rawData []interface{}, s severity) []interface{} {
for _, datum := range append(notifier.RawData, rawData...) {
if _, ok := datum.(severity); ok {
return rawData
}
}
return append(rawData, s)
}

27
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/panicwrap.go generated vendored Normal file
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@ -0,0 +1,27 @@
// +build !appengine
package bugsnag
import (
"github.com/bugsnag/panicwrap"
"github.com/bugsnag/bugsnag-go/errors"
)
// NOTE: this function does not return when you call it, instead it
// re-exec()s the current process with panic monitoring.
func defaultPanicHandler() {
defer defaultNotifier.dontPanic()
err := panicwrap.BasicMonitor(func(output string) {
toNotify, err := errors.ParsePanic(output)
if err != nil {
defaultNotifier.Config.log("bugsnag.handleUncaughtPanic: %v", err)
}
Notify(toNotify, SeverityError, Configuration{Synchronous: true})
})
if err != nil {
defaultNotifier.Config.log("bugsnag.handleUncaughtPanic: %v", err)
}
}

79
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/panicwrap_test.go generated vendored Normal file
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// +build !appengine
package bugsnag
import (
"github.com/bitly/go-simplejson"
"github.com/mitchellh/osext"
"os"
"os/exec"
"testing"
"time"
)
func TestPanicHandler(t *testing.T) {
startTestServer()
exePath, err := osext.Executable()
if err != nil {
t.Fatal(err)
}
// Use the same trick as panicwrap() to re-run ourselves.
// In the init() block below, we will then panic.
cmd := exec.Command(exePath, os.Args[1:]...)
cmd.Env = append(os.Environ(), "BUGSNAG_API_KEY="+testAPIKey, "BUGSNAG_ENDPOINT="+testEndpoint, "please_panic=please_panic")
if err = cmd.Start(); err != nil {
t.Fatal(err)
}
if err = cmd.Wait(); err.Error() != "exit status 2" {
t.Fatal(err)
}
json, err := simplejson.NewJson(<-postedJSON)
if err != nil {
t.Fatal(err)
}
event := json.Get("events").GetIndex(0)
if event.Get("severity").MustString() != "error" {
t.Errorf("severity should be error")
}
exception := event.Get("exceptions").GetIndex(0)
if exception.Get("message").MustString() != "ruh roh" {
t.Errorf("caught wrong panic")
}
if exception.Get("errorClass").MustString() != "panic" {
t.Errorf("caught wrong panic")
}
frame := exception.Get("stacktrace").GetIndex(1)
// Yeah, we just caught a panic from the init() function below and sent it to the server running above (mindblown)
if frame.Get("inProject").MustBool() != true ||
frame.Get("file").MustString() != "panicwrap_test.go" ||
frame.Get("method").MustString() != "panick" ||
frame.Get("lineNumber").MustInt() == 0 {
t.Errorf("stack trace seemed wrong")
}
}
func init() {
if os.Getenv("please_panic") != "" {
Configure(Configuration{APIKey: os.Getenv("BUGSNAG_API_KEY"), Endpoint: os.Getenv("BUGSNAG_ENDPOINT"), ProjectPackages: []string{"github.com/bugsnag/bugsnag-go"}})
go func() {
panick()
}()
// Plenty of time to crash, it shouldn't need any of it.
time.Sleep(1 * time.Second)
}
}
func panick() {
panic("ruh roh")
}

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Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/payload.go generated vendored Normal file
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package bugsnag
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
)
type payload struct {
*Event
*Configuration
}
type hash map[string]interface{}
func (p *payload) deliver() error {
if len(p.APIKey) != 32 {
return fmt.Errorf("bugsnag/payload.deliver: invalid api key")
}
buf, err := json.Marshal(p)
if err != nil {
return fmt.Errorf("bugsnag/payload.deliver: %v", err)
}
client := http.Client{
Transport: p.Transport,
}
resp, err := client.Post(p.Endpoint, "application/json", bytes.NewBuffer(buf))
if err != nil {
return fmt.Errorf("bugsnag/payload.deliver: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("bugsnag/payload.deliver: Got HTTP %s\n", resp.Status)
}
return nil
}
func (p *payload) MarshalJSON() ([]byte, error) {
data := hash{
"apiKey": p.APIKey,
"notifier": hash{
"name": "Bugsnag Go",
"url": "https://github.com/bugsnag/bugsnag-go",
"version": VERSION,
},
"events": []hash{
{
"payloadVersion": "2",
"exceptions": []hash{
{
"errorClass": p.ErrorClass,
"message": p.Message,
"stacktrace": p.Stacktrace,
},
},
"severity": p.Severity.String,
"app": hash{
"releaseStage": p.ReleaseStage,
},
"user": p.User,
"metaData": p.MetaData.sanitize(p.ParamsFilters),
},
},
}
event := data["events"].([]hash)[0]
if p.Context != "" {
event["context"] = p.Context
}
if p.GroupingHash != "" {
event["groupingHash"] = p.GroupingHash
}
if p.Hostname != "" {
event["device"] = hash{
"hostname": p.Hostname,
}
}
if p.AppVersion != "" {
event["app"].(hash)["version"] = p.AppVersion
}
return json.Marshal(data)
}

60
Godeps/_workspace/src/github.com/bugsnag/bugsnag-go/revel/bugsnagrevel.go generated vendored Normal file
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// Package bugsnagrevel adds Bugsnag to revel.
// It lets you pass *revel.Controller into bugsnag.Notify(),
// and provides a Filter to catch errors.
package bugsnagrevel
import (
"strings"
"sync"
"github.com/bugsnag/bugsnag-go"
"github.com/revel/revel"
)
var once sync.Once
// Filter should be added to the filter chain just after the PanicFilter.
// It sends errors to Bugsnag automatically. Configuration is read out of
// conf/app.conf, you should set bugsnag.apikey, and can also set
// bugsnag.endpoint, bugsnag.releasestage, bugsnag.appversion,
// bugsnag.projectroot, bugsnag.projectpackages if needed.
func Filter(c *revel.Controller, fc []revel.Filter) {
defer bugsnag.AutoNotify(c)
fc[0](c, fc[1:])
}
// Add support to bugsnag for reading data out of *revel.Controllers
func middleware(event *bugsnag.Event, config *bugsnag.Configuration) error {
for _, datum := range event.RawData {
if controller, ok := datum.(*revel.Controller); ok {
// make the request visible to the builtin HttpMIddleware
event.RawData = append(event.RawData, controller.Request.Request)
event.Context = controller.Action
event.MetaData.AddStruct("Session", controller.Session)
}
}
return nil
}
func init() {
revel.OnAppStart(func() {
bugsnag.OnBeforeNotify(middleware)
var projectPackages []string
if packages, ok := revel.Config.String("bugsnag.projectpackages"); ok {
projectPackages = strings.Split(packages, ",")
} else {
projectPackages = []string{revel.ImportPath + "/app/*", revel.ImportPath + "/app"}
}
bugsnag.Configure(bugsnag.Configuration{
APIKey: revel.Config.StringDefault("bugsnag.apikey", ""),
Endpoint: revel.Config.StringDefault("bugsnag.endpoint", ""),
AppVersion: revel.Config.StringDefault("bugsnag.appversion", ""),
ReleaseStage: revel.Config.StringDefault("bugsnag.releasestage", revel.RunMode),
ProjectPackages: projectPackages,
Logger: revel.ERROR,
})
})
}

20
Godeps/_workspace/src/github.com/bugsnag/osext/LICENSE generated vendored Normal file
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@ -0,0 +1,20 @@
Copyright (c) 2012 Daniel Theophanes
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.

32
Godeps/_workspace/src/github.com/bugsnag/osext/osext.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Extensions to the standard "os" package.
package osext
import "path/filepath"
// Executable returns an absolute path that can be used to
// re-invoke the current program.
// It may not be valid after the current program exits.
func Executable() (string, error) {
p, err := executable()
return filepath.Clean(p), err
}
// Returns same path as Executable, returns just the folder
// path. Excludes the executable name.
func ExecutableFolder() (string, error) {
p, err := Executable()
if err != nil {
return "", err
}
folder, _ := filepath.Split(p)
return folder, nil
}
// Depricated. Same as Executable().
func GetExePath() (exePath string, err error) {
return Executable()
}

16
Godeps/_workspace/src/github.com/bugsnag/osext/osext_plan9.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package osext
import "syscall"
func executable() (string, error) {
f, err := Open("/proc/" + itoa(Getpid()) + "/text")
if err != nil {
return "", err
}
defer f.Close()
return syscall.Fd2path(int(f.Fd()))
}

25
Godeps/_workspace/src/github.com/bugsnag/osext/osext_procfs.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux netbsd openbsd
package osext
import (
"errors"
"os"
"runtime"
)
func executable() (string, error) {
switch runtime.GOOS {
case "linux":
return os.Readlink("/proc/self/exe")
case "netbsd":
return os.Readlink("/proc/curproc/exe")
case "openbsd":
return os.Readlink("/proc/curproc/file")
}
return "", errors.New("ExecPath not implemented for " + runtime.GOOS)
}

64
Godeps/_workspace/src/github.com/bugsnag/osext/osext_sysctl.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin freebsd
package osext
import (
"os"
"runtime"
"syscall"
"unsafe"
)
var startUpcwd, getwdError = os.Getwd()
func executable() (string, error) {
var mib [4]int32
switch runtime.GOOS {
case "freebsd":
mib = [4]int32{1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1}
case "darwin":
mib = [4]int32{1 /* CTL_KERN */, 38 /* KERN_PROCARGS */, int32(os.Getpid()), -1}
}
n := uintptr(0)
// get length
_, _, err := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
if err != 0 {
return "", err
}
if n == 0 { // shouldn't happen
return "", nil
}
buf := make([]byte, n)
_, _, err = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&n)), 0, 0)
if err != 0 {
return "", err
}
if n == 0 { // shouldn't happen
return "", nil
}
for i, v := range buf {
if v == 0 {
buf = buf[:i]
break
}
}
if buf[0] != '/' {
if getwdError != nil {
return string(buf), getwdError
} else {
if buf[0] == '.' {
buf = buf[1:]
}
if startUpcwd[len(startUpcwd)-1] != '/' {
return startUpcwd + "/" + string(buf), nil
}
return startUpcwd + string(buf), nil
}
}
return string(buf), nil
}

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Godeps/_workspace/src/github.com/bugsnag/osext/osext_test.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin linux freebsd netbsd windows
package osext
import (
"fmt"
"os"
oexec "os/exec"
"path/filepath"
"runtime"
"testing"
)
const execPath_EnvVar = "OSTEST_OUTPUT_EXECPATH"
func TestExecPath(t *testing.T) {
ep, err := Executable()
if err != nil {
t.Fatalf("ExecPath failed: %v", err)
}
// we want fn to be of the form "dir/prog"
dir := filepath.Dir(filepath.Dir(ep))
fn, err := filepath.Rel(dir, ep)
if err != nil {
t.Fatalf("filepath.Rel: %v", err)
}
cmd := &oexec.Cmd{}
// make child start with a relative program path
cmd.Dir = dir
cmd.Path = fn
// forge argv[0] for child, so that we can verify we could correctly
// get real path of the executable without influenced by argv[0].
cmd.Args = []string{"-", "-test.run=XXXX"}
cmd.Env = []string{fmt.Sprintf("%s=1", execPath_EnvVar)}
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("exec(self) failed: %v", err)
}
outs := string(out)
if !filepath.IsAbs(outs) {
t.Fatalf("Child returned %q, want an absolute path", out)
}
if !sameFile(outs, ep) {
t.Fatalf("Child returned %q, not the same file as %q", out, ep)
}
}
func sameFile(fn1, fn2 string) bool {
fi1, err := os.Stat(fn1)
if err != nil {
return false
}
fi2, err := os.Stat(fn2)
if err != nil {
return false
}
return os.SameFile(fi1, fi2)
}
func init() {
if e := os.Getenv(execPath_EnvVar); e != "" {
// first chdir to another path
dir := "/"
if runtime.GOOS == "windows" {
dir = filepath.VolumeName(".")
}
os.Chdir(dir)
if ep, err := Executable(); err != nil {
fmt.Fprint(os.Stderr, "ERROR: ", err)
} else {
fmt.Fprint(os.Stderr, ep)
}
os.Exit(0)
}
}

34
Godeps/_workspace/src/github.com/bugsnag/osext/osext_windows.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package osext
import (
"syscall"
"unicode/utf16"
"unsafe"
)
var (
kernel = syscall.MustLoadDLL("kernel32.dll")
getModuleFileNameProc = kernel.MustFindProc("GetModuleFileNameW")
)
// GetModuleFileName() with hModule = NULL
func executable() (exePath string, err error) {
return getModuleFileName()
}
func getModuleFileName() (string, error) {
var n uint32
b := make([]uint16, syscall.MAX_PATH)
size := uint32(len(b))
r0, _, e1 := getModuleFileNameProc.Call(0, uintptr(unsafe.Pointer(&b[0])), uintptr(size))
n = uint32(r0)
if n == 0 {
return "", e1
}
return string(utf16.Decode(b[0:n])), nil
}

21
Godeps/_workspace/src/github.com/bugsnag/panicwrap/LICENSE generated vendored Normal file
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@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2013 Mitchell Hashimoto
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

101
Godeps/_workspace/src/github.com/bugsnag/panicwrap/README.md generated vendored Normal file
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# panicwrap
panicwrap is a Go library that re-executes a Go binary and monitors stderr
output from the binary for a panic. When it find a panic, it executes a
user-defined handler function. Stdout, stderr, stdin, signals, and exit
codes continue to work as normal, making the existence of panicwrap mostly
invisble to the end user until a panic actually occurs.
Since a panic is truly a bug in the program meant to crash the runtime,
globally catching panics within Go applications is not supposed to be possible.
Despite this, it is often useful to have a way to know when panics occur.
panicwrap allows you to do something with these panics, such as writing them
to a file, so that you can track when panics occur.
panicwrap is ***not a panic recovery system***. Panics indicate serious
problems with your application and _should_ crash the runtime. panicwrap
is just meant as a way to monitor for panics. If you still think this is
the worst idea ever, read the section below on why.
## Features
* **SIMPLE!**
* Works with all Go applications on all platforms Go supports
* Custom behavior when a panic occurs
* Stdout, stderr, stdin, exit codes, and signals continue to work as
expected.
## Usage
Using panicwrap is simple. It behaves a lot like `fork`, if you know
how that works. A basic example is shown below.
Because it would be sad to panic while capturing a panic, it is recommended
that the handler functions for panicwrap remain relatively simple and well
tested. panicwrap itself contains many tests.
```go
package main
import (
"fmt"
"github.com/mitchellh/panicwrap"
"os"
)
func main() {
exitStatus, err := panicwrap.BasicWrap(panicHandler)
if err != nil {
// Something went wrong setting up the panic wrapper. Unlikely,
// but possible.
panic(err)
}
// If exitStatus >= 0, then we're the parent process and the panicwrap
// re-executed ourselves and completed. Just exit with the proper status.
if exitStatus >= 0 {
os.Exit(exitStatus)
}
// Otherwise, exitStatus < 0 means we're the child. Continue executing as
// normal...
// Let's say we panic
panic("oh shucks")
}
func panicHandler(output string) {
// output contains the full output (including stack traces) of the
// panic. Put it in a file or something.
fmt.Printf("The child panicked:\n\n%s\n", output)
os.Exit(1)
}
```
## How Does it Work?
panicwrap works by re-executing the running program (retaining arguments,
environmental variables, etc.) and monitoring the stderr of the program.
Since Go always outputs panics in a predictable way with a predictable
exit code, panicwrap is able to reliably detect panics and allow the parent
process to handle them.
## WHY?! Panics should CRASH!
Yes, panics _should_ crash. They are 100% always indicative of bugs.
However, in some cases, such as user-facing programs (programs like
[Packer](http://github.com/mitchellh/packer) or
[Docker](http://github.com/dotcloud/docker)), it is up to the user to
report such panics. This is unreliable, at best, and it would be better if the
program could have a way to automatically report panics. panicwrap provides
a way to do this.
For backend applications, it is easier to detect crashes (since the application
exits). However, it is still nice sometimes to more intelligently log
panics in some way. For example, at [HashiCorp](http://www.hashicorp.com),
we use panicwrap to log panics to timestamped files with some additional
data (configuration settings at the time, environmental variables, etc.)
The goal of panicwrap is _not_ to hide panics. It is instead to provide
a clean mechanism for handling them before bubbling the up to the user
and ultimately crashing.

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Godeps/_workspace/src/github.com/bugsnag/panicwrap/monitor.go generated vendored Normal file
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// +build !windows
package panicwrap
import (
"github.com/bugsnag/osext"
"os"
"os/exec"
"syscall"
)
func monitor(c *WrapConfig) (int, error) {
// If we're the child process, absorb panics.
if Wrapped(c) {
panicCh := make(chan string)
go trackPanic(os.Stdin, os.Stderr, c.DetectDuration, panicCh)
// Wait on the panic data
panicTxt := <-panicCh
if panicTxt != "" {
if !c.HidePanic {
os.Stderr.Write([]byte(panicTxt))
}
c.Handler(panicTxt)
}
os.Exit(0)
}
exePath, err := osext.Executable()
if err != nil {
return -1, err
}
cmd := exec.Command(exePath, os.Args[1:]...)
read, write, err := os.Pipe()
if err != nil {
return -1, err
}
cmd.Stdin = read
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = append(os.Environ(), c.CookieKey+"="+c.CookieValue)
if err != nil {
return -1, err
}
err = cmd.Start()
if err != nil {
return -1, err
}
err = syscall.Dup2(int(write.Fd()), int(os.Stderr.Fd()))
if err != nil {
return -1, err
}
return -1, nil
}

7
Godeps/_workspace/src/github.com/bugsnag/panicwrap/monitor_windows.go generated vendored Normal file
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package panicwrap
import "fmt"
func monitor(c *WrapConfig) (int, error) {
return -1, fmt.Errorf("Monitor is not supported on windows")
}

339
Godeps/_workspace/src/github.com/bugsnag/panicwrap/panicwrap.go generated vendored Normal file
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// The panicwrap package provides functions for capturing and handling
// panics in your application. It does this by re-executing the running
// application and monitoring stderr for any panics. At the same time,
// stdout/stderr/etc. are set to the same values so that data is shuttled
// through properly, making the existence of panicwrap mostly transparent.
//
// Panics are only detected when the subprocess exits with a non-zero
// exit status, since this is the only time panics are real. Otherwise,
// "panic-like" output is ignored.
package panicwrap
import (
"bytes"
"errors"
"github.com/bugsnag/osext"
"io"
"os"
"os/exec"
"os/signal"
"runtime"
"syscall"
"time"
)
const (
DEFAULT_COOKIE_KEY = "cccf35992f8f3cd8d1d28f0109dd953e26664531"
DEFAULT_COOKIE_VAL = "7c28215aca87789f95b406b8dd91aa5198406750"
)
// HandlerFunc is the type called when a panic is detected.
type HandlerFunc func(string)
// WrapConfig is the configuration for panicwrap when wrapping an existing
// binary. To get started, in general, you only need the BasicWrap function
// that will set this up for you. However, for more customizability,
// WrapConfig and Wrap can be used.
type WrapConfig struct {
// Handler is the function called when a panic occurs.
Handler HandlerFunc
// The cookie key and value are used within environmental variables
// to tell the child process that it is already executing so that
// wrap doesn't re-wrap itself.
CookieKey string
CookieValue string
// If true, the panic will not be mirrored to the configured writer
// and will instead ONLY go to the handler. This lets you effectively
// hide panics from the end user. This is not recommended because if
// your handler fails, the panic is effectively lost.
HidePanic bool
// If true, panicwrap will boot a monitor sub-process and let the parent
// run the app. This mode is useful for processes run under supervisors
// like runit as signals get sent to the correct codebase. This is not
// supported when GOOS=windows, and ignores c.Stderr and c.Stdout.
Monitor bool
// The amount of time that a process must exit within after detecting
// a panic header for panicwrap to assume it is a panic. Defaults to
// 300 milliseconds.
DetectDuration time.Duration
// The writer to send the stderr to. If this is nil, then it defaults
// to os.Stderr.
Writer io.Writer
// The writer to send stdout to. If this is nil, then it defaults to
// os.Stdout.
Stdout io.Writer
}
// BasicWrap calls Wrap with the given handler function, using defaults
// for everything else. See Wrap and WrapConfig for more information on
// functionality and return values.
func BasicWrap(f HandlerFunc) (int, error) {
return Wrap(&WrapConfig{
Handler: f,
})
}
// BasicMonitor calls Wrap with Monitor set to true on supported platforms.
// It forks your program and runs it again form the start. In one process
// BasicMonitor never returns, it just listens on stderr of the other process,
// and calls your handler when a panic is seen. In the other it either returns
// nil to indicate that the panic monitoring is enabled, or an error to indicate
// that something else went wrong.
func BasicMonitor(f HandlerFunc) error {
exitStatus, err := Wrap(&WrapConfig{
Handler: f,
Monitor: runtime.GOOS != "windows",
})
if err != nil {
return err
}
if exitStatus >= 0 {
os.Exit(exitStatus)
}
return nil
}
// Wrap wraps the current executable in a handler to catch panics. It
// returns an error if there was an error during the wrapping process.
// If the error is nil, then the int result indicates the exit status of the
// child process. If the exit status is -1, then this is the child process,
// and execution should continue as normal. Otherwise, this is the parent
// process and the child successfully ran already, and you should exit the
// process with the returned exit status.
//
// This function should be called very very early in your program's execution.
// Ideally, this runs as the first line of code of main.
//
// Once this is called, the given WrapConfig shouldn't be modified or used
// any further.
func Wrap(c *WrapConfig) (int, error) {
if c.Handler == nil {
return -1, errors.New("Handler must be set")
}
if c.DetectDuration == 0 {
c.DetectDuration = 300 * time.Millisecond
}
if c.Writer == nil {
c.Writer = os.Stderr
}
if c.Monitor {
return monitor(c)
} else {
return wrap(c)
}
}
func wrap(c *WrapConfig) (int, error) {
// If we're already wrapped, exit out.
if Wrapped(c) {
return -1, nil
}
// Get the path to our current executable
exePath, err := osext.Executable()
if err != nil {
return -1, err
}
// Pipe the stderr so we can read all the data as we look for panics
stderr_r, stderr_w := io.Pipe()
// doneCh is closed when we're done, signaling any other goroutines
// to end immediately.
doneCh := make(chan struct{})
// panicCh is the channel on which the panic text will actually be
// sent.
panicCh := make(chan string)
// On close, make sure to finish off the copying of data to stderr
defer func() {
defer close(doneCh)
stderr_w.Close()
<-panicCh
}()
// Start the goroutine that will watch stderr for any panics
go trackPanic(stderr_r, c.Writer, c.DetectDuration, panicCh)
// Create the writer for stdout that we're going to use
var stdout_w io.Writer = os.Stdout
if c.Stdout != nil {
stdout_w = c.Stdout
}
// Build a subcommand to re-execute ourselves. We make sure to
// set the environmental variable to include our cookie. We also
// set stdin/stdout to match the config. Finally, we pipe stderr
// through ourselves in order to watch for panics.
cmd := exec.Command(exePath, os.Args[1:]...)
cmd.Env = append(os.Environ(), c.CookieKey+"="+c.CookieValue)
cmd.Stdin = os.Stdin
cmd.Stdout = stdout_w
cmd.Stderr = stderr_w
if err := cmd.Start(); err != nil {
return 1, err
}
// Listen to signals and capture them forever. We allow the child
// process to handle them in some way.
sigCh := make(chan os.Signal)
signal.Notify(sigCh, os.Interrupt)
go func() {
defer signal.Stop(sigCh)
for {
select {
case <-doneCh:
return
case <-sigCh:
}
}
}()
if err := cmd.Wait(); err != nil {
exitErr, ok := err.(*exec.ExitError)
if !ok {
// This is some other kind of subprocessing error.
return 1, err
}
exitStatus := 1
if status, ok := exitErr.Sys().(syscall.WaitStatus); ok {
exitStatus = status.ExitStatus()
}
// Close the writer end so that the tracker goroutine ends at some point
stderr_w.Close()
// Wait on the panic data
panicTxt := <-panicCh
if panicTxt != "" {
if !c.HidePanic {
c.Writer.Write([]byte(panicTxt))
}
c.Handler(panicTxt)
}
return exitStatus, nil
}
return 0, nil
}
// Wrapped checks if we're already wrapped according to the configuration
// given.
//
// Wrapped is very cheap and can be used early to short-circuit some pre-wrap
// logic your application may have.
func Wrapped(c *WrapConfig) bool {
if c.CookieKey == "" {
c.CookieKey = DEFAULT_COOKIE_KEY
}
if c.CookieValue == "" {
c.CookieValue = DEFAULT_COOKIE_VAL
}
// If the cookie key/value match our environment, then we are the
// child, so just exit now and tell the caller that we're the child
return os.Getenv(c.CookieKey) == c.CookieValue
}
// trackPanic monitors the given reader for a panic. If a panic is detected,
// it is outputted on the result channel. This will close the channel once
// it is complete.
func trackPanic(r io.Reader, w io.Writer, dur time.Duration, result chan<- string) {
defer close(result)
var panicTimer <-chan time.Time
panicBuf := new(bytes.Buffer)
panicHeader := []byte("panic:")
tempBuf := make([]byte, 2048)
for {
var buf []byte
var n int
if panicTimer == nil && panicBuf.Len() > 0 {
// We're not tracking a panic but the buffer length is
// greater than 0. We need to clear out that buffer, but
// look for another panic along the way.
// First, remove the previous panic header so we don't loop
w.Write(panicBuf.Next(len(panicHeader)))
// Next, assume that this is our new buffer to inspect
n = panicBuf.Len()
buf = make([]byte, n)
copy(buf, panicBuf.Bytes())
panicBuf.Reset()
} else {
var err error
buf = tempBuf
n, err = r.Read(buf)
if n <= 0 && err == io.EOF {
if panicBuf.Len() > 0 {
// We were tracking a panic, assume it was a panic
// and return that as the result.
result <- panicBuf.String()
}
return
}
}
if panicTimer != nil {
// We're tracking what we think is a panic right now.
// If the timer ended, then it is not a panic.
isPanic := true
select {
case <-panicTimer:
isPanic = false
default:
}
// No matter what, buffer the text some more.
panicBuf.Write(buf[0:n])
if !isPanic {
// It isn't a panic, stop tracking. Clean-up will happen
// on the next iteration.
panicTimer = nil
}
continue
}
flushIdx := n
idx := bytes.Index(buf[0:n], panicHeader)
if idx >= 0 {
flushIdx = idx
}
// Flush to stderr what isn't a panic
w.Write(buf[0:flushIdx])
if idx < 0 {
// Not a panic so just continue along
continue
}
// We have a panic header. Write we assume is a panic os far.
panicBuf.Write(buf[idx:n])
panicTimer = time.After(dur)
}
}

360
Godeps/_workspace/src/github.com/bugsnag/panicwrap/panicwrap_test.go generated vendored Normal file
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package panicwrap
import (
"bytes"
"fmt"
"os"
"os/exec"
"strings"
"testing"
"time"
)
func helperProcess(s ...string) *exec.Cmd {
cs := []string{"-test.run=TestHelperProcess", "--"}
cs = append(cs, s...)
env := []string{
"GO_WANT_HELPER_PROCESS=1",
}
cmd := exec.Command(os.Args[0], cs...)
cmd.Env = append(env, os.Environ()...)
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
return cmd
}
// This is executed by `helperProcess` in a separate process in order to
// provider a proper sub-process environment to test some of our functionality.
func TestHelperProcess(*testing.T) {
if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
return
}
// Find the arguments to our helper, which are the arguments past
// the "--" in the command line.
args := os.Args
for len(args) > 0 {
if args[0] == "--" {
args = args[1:]
break
}
args = args[1:]
}
if len(args) == 0 {
fmt.Fprintf(os.Stderr, "No command\n")
os.Exit(2)
}
panicHandler := func(s string) {
fmt.Fprintf(os.Stdout, "wrapped: %d", len(s))
os.Exit(0)
}
cmd, args := args[0], args[1:]
switch cmd {
case "no-panic-ordered-output":
exitStatus, err := BasicWrap(panicHandler)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus < 0 {
for i := 0; i < 1000; i++ {
os.Stdout.Write([]byte("a"))
os.Stderr.Write([]byte("b"))
}
os.Exit(0)
}
os.Exit(exitStatus)
case "no-panic-output":
fmt.Fprint(os.Stdout, "i am output")
fmt.Fprint(os.Stderr, "stderr out")
os.Exit(0)
case "panic-boundary":
exitStatus, err := BasicWrap(panicHandler)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus < 0 {
// Simulate a panic but on two boundaries...
fmt.Fprint(os.Stderr, "pan")
os.Stderr.Sync()
time.Sleep(100 * time.Millisecond)
fmt.Fprint(os.Stderr, "ic: oh crap")
os.Exit(2)
}
os.Exit(exitStatus)
case "panic-long":
exitStatus, err := BasicWrap(panicHandler)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus < 0 {
// Make a fake panic by faking the header and adding a
// bunch of garbage.
fmt.Fprint(os.Stderr, "panic: foo\n\n")
for i := 0; i < 1024; i++ {
fmt.Fprint(os.Stderr, "foobarbaz")
}
// Sleep so that it dumps the previous data
//time.Sleep(1 * time.Millisecond)
time.Sleep(500 * time.Millisecond)
// Make a real panic
panic("I AM REAL!")
}
os.Exit(exitStatus)
case "panic":
hidePanic := false
if args[0] == "hide" {
hidePanic = true
}
config := &WrapConfig{
Handler: panicHandler,
HidePanic: hidePanic,
}
exitStatus, err := Wrap(config)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus < 0 {
panic("uh oh")
}
os.Exit(exitStatus)
case "wrapped":
child := false
if len(args) > 0 && args[0] == "child" {
child = true
}
config := &WrapConfig{
Handler: panicHandler,
}
exitStatus, err := Wrap(config)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus < 0 {
if child {
fmt.Printf("%v", Wrapped(config))
}
os.Exit(0)
}
if !child {
fmt.Printf("%v", Wrapped(config))
}
os.Exit(exitStatus)
case "panic-monitor":
config := &WrapConfig{
Handler: panicHandler,
HidePanic: true,
Monitor: true,
}
exitStatus, err := Wrap(config)
if err != nil {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
if exitStatus != -1 {
fmt.Fprintf(os.Stderr, "wrap error: %s", err)
os.Exit(1)
}
panic("uh oh")
default:
fmt.Fprintf(os.Stderr, "Unknown command: %q\n", cmd)
os.Exit(2)
}
}
func TestPanicWrap_Output(t *testing.T) {
stderr := new(bytes.Buffer)
stdout := new(bytes.Buffer)
p := helperProcess("no-panic-output")
p.Stdout = stdout
p.Stderr = stderr
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "i am output") {
t.Fatalf("didn't forward: %#v", stdout.String())
}
if !strings.Contains(stderr.String(), "stderr out") {
t.Fatalf("didn't forward: %#v", stderr.String())
}
}
/*
TODO(mitchellh): This property would be nice to gain.
func TestPanicWrap_Output_Order(t *testing.T) {
output := new(bytes.Buffer)
p := helperProcess("no-panic-ordered-output")
p.Stdout = output
p.Stderr = output
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
expectedBuf := new(bytes.Buffer)
for i := 0; i < 1000; i++ {
expectedBuf.WriteString("ab")
}
actual := strings.TrimSpace(output.String())
expected := strings.TrimSpace(expectedBuf.String())
if actual != expected {
t.Fatalf("bad: %#v", actual)
}
}
*/
func TestPanicWrap_panicHide(t *testing.T) {
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
p := helperProcess("panic", "hide")
p.Stdout = stdout
p.Stderr = stderr
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "wrapped:") {
t.Fatalf("didn't wrap: %#v", stdout.String())
}
if strings.Contains(stderr.String(), "panic:") {
t.Fatalf("shouldn't have panic: %#v", stderr.String())
}
}
func TestPanicWrap_panicShow(t *testing.T) {
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
p := helperProcess("panic", "show")
p.Stdout = stdout
p.Stderr = stderr
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "wrapped:") {
t.Fatalf("didn't wrap: %#v", stdout.String())
}
if !strings.Contains(stderr.String(), "panic:") {
t.Fatalf("should have panic: %#v", stderr.String())
}
}
func TestPanicWrap_panicLong(t *testing.T) {
stdout := new(bytes.Buffer)
p := helperProcess("panic-long")
p.Stdout = stdout
p.Stderr = new(bytes.Buffer)
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "wrapped:") {
t.Fatalf("didn't wrap: %#v", stdout.String())
}
}
func TestPanicWrap_panicBoundary(t *testing.T) {
// TODO(mitchellh): panics are currently lost on boundaries
t.SkipNow()
stdout := new(bytes.Buffer)
p := helperProcess("panic-boundary")
p.Stdout = stdout
//p.Stderr = new(bytes.Buffer)
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "wrapped: 1015") {
t.Fatalf("didn't wrap: %#v", stdout.String())
}
}
func TestPanicWrap_monitor(t *testing.T) {
stdout := new(bytes.Buffer)
p := helperProcess("panic-monitor")
p.Stdout = stdout
//p.Stderr = new(bytes.Buffer)
if err := p.Run(); err == nil || err.Error() != "exit status 2" {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "wrapped:") {
t.Fatalf("didn't wrap: %#v", stdout.String())
}
}
func TestWrapped(t *testing.T) {
stdout := new(bytes.Buffer)
p := helperProcess("wrapped", "child")
p.Stdout = stdout
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "true") {
t.Fatalf("bad: %#v", stdout.String())
}
}
func TestWrapped_parent(t *testing.T) {
stdout := new(bytes.Buffer)
p := helperProcess("wrapped")
p.Stdout = stdout
if err := p.Run(); err != nil {
t.Fatalf("err: %s", err)
}
if !strings.Contains(stdout.String(), "false") {
t.Fatalf("bad: %#v", stdout.String())
}
}

74
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/attempt.go generated vendored Normal file
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package aws
import (
"time"
)
// AttemptStrategy represents a strategy for waiting for an action
// to complete successfully. This is an internal type used by the
// implementation of other goamz packages.
type AttemptStrategy struct {
Total time.Duration // total duration of attempt.
Delay time.Duration // interval between each try in the burst.
Min int // minimum number of retries; overrides Total
}
type Attempt struct {
strategy AttemptStrategy
last time.Time
end time.Time
force bool
count int
}
// Start begins a new sequence of attempts for the given strategy.
func (s AttemptStrategy) Start() *Attempt {
now := time.Now()
return &Attempt{
strategy: s,
last: now,
end: now.Add(s.Total),
force: true,
}
}
// Next waits until it is time to perform the next attempt or returns
// false if it is time to stop trying.
func (a *Attempt) Next() bool {
now := time.Now()
sleep := a.nextSleep(now)
if !a.force && !now.Add(sleep).Before(a.end) && a.strategy.Min <= a.count {
return false
}
a.force = false
if sleep > 0 && a.count > 0 {
time.Sleep(sleep)
now = time.Now()
}
a.count++
a.last = now
return true
}
func (a *Attempt) nextSleep(now time.Time) time.Duration {
sleep := a.strategy.Delay - now.Sub(a.last)
if sleep < 0 {
return 0
}
return sleep
}
// HasNext returns whether another attempt will be made if the current
// one fails. If it returns true, the following call to Next is
// guaranteed to return true.
func (a *Attempt) HasNext() bool {
if a.force || a.strategy.Min > a.count {
return true
}
now := time.Now()
if now.Add(a.nextSleep(now)).Before(a.end) {
a.force = true
return true
}
return false
}

57
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/attempt_test.go generated vendored Normal file
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package aws_test
import (
"github.com/crowdmob/goamz/aws"
"gopkg.in/check.v1"
"time"
)
func (S) TestAttemptTiming(c *check.C) {
testAttempt := aws.AttemptStrategy{
Total: 0.25e9,
Delay: 0.1e9,
}
want := []time.Duration{0, 0.1e9, 0.2e9, 0.2e9}
got := make([]time.Duration, 0, len(want)) // avoid allocation when testing timing
t0 := time.Now()
for a := testAttempt.Start(); a.Next(); {
got = append(got, time.Now().Sub(t0))
}
got = append(got, time.Now().Sub(t0))
c.Assert(got, check.HasLen, len(want))
const margin = 0.01e9
for i, got := range want {
lo := want[i] - margin
hi := want[i] + margin
if got < lo || got > hi {
c.Errorf("attempt %d want %g got %g", i, want[i].Seconds(), got.Seconds())
}
}
}
func (S) TestAttemptNextHasNext(c *check.C) {
a := aws.AttemptStrategy{}.Start()
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.Next(), check.Equals, false)
a = aws.AttemptStrategy{}.Start()
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.HasNext(), check.Equals, false)
c.Assert(a.Next(), check.Equals, false)
a = aws.AttemptStrategy{Total: 2e8}.Start()
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.HasNext(), check.Equals, true)
time.Sleep(2e8)
c.Assert(a.HasNext(), check.Equals, true)
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.Next(), check.Equals, false)
a = aws.AttemptStrategy{Total: 1e8, Min: 2}.Start()
time.Sleep(1e8)
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.HasNext(), check.Equals, true)
c.Assert(a.Next(), check.Equals, true)
c.Assert(a.HasNext(), check.Equals, false)
c.Assert(a.Next(), check.Equals, false)
}

616
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/aws.go generated vendored Normal file
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//
// goamz - Go packages to interact with the Amazon Web Services.
//
// https://wiki.ubuntu.com/goamz
//
// Copyright (c) 2011 Canonical Ltd.
//
// Written by Gustavo Niemeyer <gustavo.niemeyer@canonical.com>
//
package aws
import (
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"os"
"os/user"
"path"
"regexp"
"strings"
"time"
)
// Regular expressions for INI files
var (
iniSectionRegexp = regexp.MustCompile(`^\s*\[([^\[\]]+)\]\s*$`)
iniSettingRegexp = regexp.MustCompile(`^\s*(.+?)\s*=\s*(.*\S)\s*$`)
)
// Defines the valid signers
const (
V2Signature = iota
V4Signature = iota
Route53Signature = iota
)
// Defines the service endpoint and correct Signer implementation to use
// to sign requests for this endpoint
type ServiceInfo struct {
Endpoint string
Signer uint
}
// Region defines the URLs where AWS services may be accessed.
//
// See http://goo.gl/d8BP1 for more details.
type Region struct {
Name string // the canonical name of this region.
EC2Endpoint string
S3Endpoint string
S3BucketEndpoint string // Not needed by AWS S3. Use ${bucket} for bucket name.
S3LocationConstraint bool // true if this region requires a LocationConstraint declaration.
S3LowercaseBucket bool // true if the region requires bucket names to be lower case.
SDBEndpoint string
SNSEndpoint string
SQSEndpoint string
SESEndpoint string
IAMEndpoint string
ELBEndpoint string
DynamoDBEndpoint string
CloudWatchServicepoint ServiceInfo
AutoScalingEndpoint string
RDSEndpoint ServiceInfo
KinesisEndpoint string
STSEndpoint string
CloudFormationEndpoint string
ElastiCacheEndpoint string
}
var Regions = map[string]Region{
APNortheast.Name: APNortheast,
APSoutheast.Name: APSoutheast,
APSoutheast2.Name: APSoutheast2,
EUCentral.Name: EUCentral,
EUWest.Name: EUWest,
USEast.Name: USEast,
USWest.Name: USWest,
USWest2.Name: USWest2,
USGovWest.Name: USGovWest,
SAEast.Name: SAEast,
}
// Designates a signer interface suitable for signing AWS requests, params
// should be appropriately encoded for the request before signing.
//
// A signer should be initialized with Auth and the appropriate endpoint.
type Signer interface {
Sign(method, path string, params map[string]string)
}
// An AWS Service interface with the API to query the AWS service
//
// Supplied as an easy way to mock out service calls during testing.
type AWSService interface {
// Queries the AWS service at a given method/path with the params and
// returns an http.Response and error
Query(method, path string, params map[string]string) (*http.Response, error)
// Builds an error given an XML payload in the http.Response, can be used
// to process an error if the status code is not 200 for example.
BuildError(r *http.Response) error
}
// Implements a Server Query/Post API to easily query AWS services and build
// errors when desired
type Service struct {
service ServiceInfo
signer Signer
}
// Create a base set of params for an action
func MakeParams(action string) map[string]string {
params := make(map[string]string)
params["Action"] = action
return params
}
// Create a new AWS server to handle making requests
func NewService(auth Auth, service ServiceInfo) (s *Service, err error) {
var signer Signer
switch service.Signer {
case V2Signature:
signer, err = NewV2Signer(auth, service)
// case V4Signature:
// signer, err = NewV4Signer(auth, service, Regions["eu-west-1"])
default:
err = fmt.Errorf("Unsupported signer for service")
}
if err != nil {
return
}
s = &Service{service: service, signer: signer}
return
}
func (s *Service) Query(method, path string, params map[string]string) (resp *http.Response, err error) {
params["Timestamp"] = time.Now().UTC().Format(time.RFC3339)
u, err := url.Parse(s.service.Endpoint)
if err != nil {
return nil, err
}
u.Path = path
s.signer.Sign(method, path, params)
if method == "GET" {
u.RawQuery = multimap(params).Encode()
resp, err = http.Get(u.String())
} else if method == "POST" {
resp, err = http.PostForm(u.String(), multimap(params))
}
return
}
func (s *Service) BuildError(r *http.Response) error {
errors := ErrorResponse{}
xml.NewDecoder(r.Body).Decode(&errors)
var err Error
err = errors.Errors
err.RequestId = errors.RequestId
err.StatusCode = r.StatusCode
if err.Message == "" {
err.Message = r.Status
}
return &err
}
type ServiceError interface {
error
ErrorCode() string
}
type ErrorResponse struct {
Errors Error `xml:"Error"`
RequestId string // A unique ID for tracking the request
}
type Error struct {
StatusCode int
Type string
Code string
Message string
RequestId string
}
func (err *Error) Error() string {
return fmt.Sprintf("Type: %s, Code: %s, Message: %s",
err.Type, err.Code, err.Message,
)
}
func (err *Error) ErrorCode() string {
return err.Code
}
type Auth struct {
AccessKey, SecretKey string
token string
expiration time.Time
}
func (a *Auth) Token() string {
if a.token == "" {
return ""
}
if time.Since(a.expiration) >= -30*time.Second { //in an ideal world this should be zero assuming the instance is synching it's clock
*a, _ = GetAuth("", "", "", time.Time{})
}
return a.token
}
func (a *Auth) Expiration() time.Time {
return a.expiration
}
// To be used with other APIs that return auth credentials such as STS
func NewAuth(accessKey, secretKey, token string, expiration time.Time) *Auth {
return &Auth{
AccessKey: accessKey,
SecretKey: secretKey,
token: token,
expiration: expiration,
}
}
// ResponseMetadata
type ResponseMetadata struct {
RequestId string // A unique ID for tracking the request
}
type BaseResponse struct {
ResponseMetadata ResponseMetadata
}
var unreserved = make([]bool, 128)
var hex = "0123456789ABCDEF"
func init() {
// RFC3986
u := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890-_.~"
for _, c := range u {
unreserved[c] = true
}
}
func multimap(p map[string]string) url.Values {
q := make(url.Values, len(p))
for k, v := range p {
q[k] = []string{v}
}
return q
}
type credentials struct {
Code string
LastUpdated string
Type string
AccessKeyId string
SecretAccessKey string
Token string
Expiration string
}
// GetMetaData retrieves instance metadata about the current machine.
//
// See http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html for more details.
func GetMetaData(path string) (contents []byte, err error) {
c := http.Client{
Transport: &http.Transport{
Dial: func(netw, addr string) (net.Conn, error) {
deadline := time.Now().Add(5 * time.Second)
c, err := net.DialTimeout(netw, addr, time.Second*2)
if err != nil {
return nil, err
}
c.SetDeadline(deadline)
return c, nil
},
},
}
url := "http://169.254.169.254/latest/meta-data/" + path
resp, err := c.Get(url)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = fmt.Errorf("Code %d returned for url %s", resp.StatusCode, url)
return
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
return []byte(body), err
}
func GetRegion(regionName string) (region Region) {
region = Regions[regionName]
return
}
// GetInstanceCredentials creates an Auth based on the instance's role credentials.
// If the running instance is not in EC2 or does not have a valid IAM role, an error will be returned.
// For more info about setting up IAM roles, see http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html
func GetInstanceCredentials() (cred credentials, err error) {
credentialPath := "iam/security-credentials/"
// Get the instance role
role, err := GetMetaData(credentialPath)
if err != nil {
return
}
// Get the instance role credentials
credentialJSON, err := GetMetaData(credentialPath + string(role))
if err != nil {
return
}
err = json.Unmarshal([]byte(credentialJSON), &cred)
return
}
// GetAuth creates an Auth based on either passed in credentials,
// environment information or instance based role credentials.
func GetAuth(accessKey string, secretKey, token string, expiration time.Time) (auth Auth, err error) {
// First try passed in credentials
if accessKey != "" && secretKey != "" {
return Auth{accessKey, secretKey, token, expiration}, nil
}
// Next try to get auth from the environment
auth, err = EnvAuth()
if err == nil {
// Found auth, return
return
}
// Next try getting auth from the instance role
cred, err := GetInstanceCredentials()
if err == nil {
// Found auth, return
auth.AccessKey = cred.AccessKeyId
auth.SecretKey = cred.SecretAccessKey
auth.token = cred.Token
exptdate, err := time.Parse("2006-01-02T15:04:05Z", cred.Expiration)
if err != nil {
err = fmt.Errorf("Error Parsing expiration date: cred.Expiration :%s , error: %s \n", cred.Expiration, err)
}
auth.expiration = exptdate
return auth, err
}
// Next try getting auth from the credentials file
auth, err = CredentialFileAuth("", "", time.Minute*5)
if err == nil {
return
}
//err = errors.New("No valid AWS authentication found")
err = fmt.Errorf("No valid AWS authentication found: %s", err)
return auth, err
}
// EnvAuth creates an Auth based on environment information.
// The AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment
// variables are used.
func EnvAuth() (auth Auth, err error) {
auth.AccessKey = os.Getenv("AWS_ACCESS_KEY_ID")
if auth.AccessKey == "" {
auth.AccessKey = os.Getenv("AWS_ACCESS_KEY")
}
auth.SecretKey = os.Getenv("AWS_SECRET_ACCESS_KEY")
if auth.SecretKey == "" {
auth.SecretKey = os.Getenv("AWS_SECRET_KEY")
}
if auth.AccessKey == "" {
err = errors.New("AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY not found in environment")
}
if auth.SecretKey == "" {
err = errors.New("AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY not found in environment")
}
return
}
// CredentialFileAuth creates and Auth based on a credentials file. The file
// contains various authentication profiles for use with AWS.
//
// The credentials file, which is used by other AWS SDKs, is documented at
// http://blogs.aws.amazon.com/security/post/Tx3D6U6WSFGOK2H/A-New-and-Standardized-Way-to-Manage-Credentials-in-the-AWS-SDKs
func CredentialFileAuth(filePath string, profile string, expiration time.Duration) (auth Auth, err error) {
if profile == "" {
profile = "default"
}
if filePath == "" {
u, err := user.Current()
if err != nil {
return auth, err
}
filePath = path.Join(u.HomeDir, ".aws", "credentials")
}
// read the file, then parse the INI
contents, err := ioutil.ReadFile(filePath)
if err != nil {
return
}
profiles := parseINI(string(contents))
profileData, ok := profiles[profile]
if !ok {
err = errors.New("The credentials file did not contain the profile")
return
}
keyId, ok := profileData["aws_access_key_id"]
if !ok {
err = errors.New("The credentials file did not contain required attribute aws_access_key_id")
return
}
secretKey, ok := profileData["aws_secret_access_key"]
if !ok {
err = errors.New("The credentials file did not contain required attribute aws_secret_access_key")
return
}
auth.AccessKey = keyId
auth.SecretKey = secretKey
if token, ok := profileData["aws_session_token"]; ok {
auth.token = token
}
auth.expiration = time.Now().Add(expiration)
return
}
// parseINI takes the contents of a credentials file and returns a map, whose keys
// are the various profiles, and whose values are maps of the settings for the
// profiles
func parseINI(fileContents string) map[string]map[string]string {
profiles := make(map[string]map[string]string)
lines := strings.Split(fileContents, "\n")
var currentSection map[string]string
for _, line := range lines {
// remove comments, which start with a semi-colon
if split := strings.Split(line, ";"); len(split) > 1 {
line = split[0]
}
// check if the line is the start of a profile.
//
// for example:
// [default]
//
// otherwise, check for the proper setting
// property=value
if sectMatch := iniSectionRegexp.FindStringSubmatch(line); len(sectMatch) == 2 {
currentSection = make(map[string]string)
profiles[sectMatch[1]] = currentSection
} else if setMatch := iniSettingRegexp.FindStringSubmatch(line); len(setMatch) == 3 && currentSection != nil {
currentSection[setMatch[1]] = setMatch[2]
}
}
return profiles
}
// Encode takes a string and URI-encodes it in a way suitable
// to be used in AWS signatures.
func Encode(s string) string {
encode := false
for i := 0; i != len(s); i++ {
c := s[i]
if c > 127 || !unreserved[c] {
encode = true
break
}
}
if !encode {
return s
}
e := make([]byte, len(s)*3)
ei := 0
for i := 0; i != len(s); i++ {
c := s[i]
if c > 127 || !unreserved[c] {
e[ei] = '%'
e[ei+1] = hex[c>>4]
e[ei+2] = hex[c&0xF]
ei += 3
} else {
e[ei] = c
ei += 1
}
}
return string(e[:ei])
}
func dialTimeout(network, addr string) (net.Conn, error) {
return net.DialTimeout(network, addr, time.Duration(2*time.Second))
}
func InstanceRegion() string {
transport := http.Transport{Dial: dialTimeout}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://169.254.169.254/latest/meta-data/placement/availability-zone")
if err != nil {
return "unknown"
} else {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "unknown"
} else {
b := string(body)
region := b[:len(b)-1]
return region
}
}
}
func InstanceId() string {
transport := http.Transport{Dial: dialTimeout}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://169.254.169.254/latest/meta-data/instance-id")
if err != nil {
return "unknown"
} else {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "unknown"
} else {
return string(body)
}
}
}
func InstanceType() string {
transport := http.Transport{Dial: dialTimeout}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://169.254.169.254/latest/meta-data/instance-type")
if err != nil {
return "unknown"
} else {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "unknown"
} else {
return string(body)
}
}
}
func ServerLocalIp() string {
transport := http.Transport{Dial: dialTimeout}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://169.254.169.254/latest/meta-data/local-ipv4")
if err != nil {
return "127.0.0.1"
} else {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "127.0.0.1"
} else {
return string(body)
}
}
}
func ServerPublicIp() string {
transport := http.Transport{Dial: dialTimeout}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://169.254.169.254/latest/meta-data/public-ipv4")
if err != nil {
return "127.0.0.1"
} else {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "127.0.0.1"
} else {
return string(body)
}
}
}

140
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/aws_test.go generated vendored Normal file
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package aws_test
import (
"github.com/crowdmob/goamz/aws"
"gopkg.in/check.v1"
"io/ioutil"
"os"
"strings"
"testing"
"time"
)
func Test(t *testing.T) {
check.TestingT(t)
}
var _ = check.Suite(&S{})
type S struct {
environ []string
}
func (s *S) SetUpSuite(c *check.C) {
s.environ = os.Environ()
}
func (s *S) TearDownTest(c *check.C) {
os.Clearenv()
for _, kv := range s.environ {
l := strings.SplitN(kv, "=", 2)
os.Setenv(l[0], l[1])
}
}
func (s *S) TestEnvAuthNoSecret(c *check.C) {
os.Clearenv()
_, err := aws.EnvAuth()
c.Assert(err, check.ErrorMatches, "AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY not found in environment")
}
func (s *S) TestEnvAuthNoAccess(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_ACCESS_KEY", "foo")
_, err := aws.EnvAuth()
c.Assert(err, check.ErrorMatches, "AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY not found in environment")
}
func (s *S) TestEnvAuth(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
os.Setenv("AWS_ACCESS_KEY_ID", "access")
auth, err := aws.EnvAuth()
c.Assert(err, check.IsNil)
c.Assert(auth, check.Equals, aws.Auth{SecretKey: "secret", AccessKey: "access"})
}
func (s *S) TestEnvAuthAlt(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_KEY", "secret")
os.Setenv("AWS_ACCESS_KEY", "access")
auth, err := aws.EnvAuth()
c.Assert(err, check.IsNil)
c.Assert(auth, check.Equals, aws.Auth{SecretKey: "secret", AccessKey: "access"})
}
func (s *S) TestGetAuthStatic(c *check.C) {
exptdate := time.Now().Add(time.Hour)
auth, err := aws.GetAuth("access", "secret", "token", exptdate)
c.Assert(err, check.IsNil)
c.Assert(auth.AccessKey, check.Equals, "access")
c.Assert(auth.SecretKey, check.Equals, "secret")
c.Assert(auth.Token(), check.Equals, "token")
c.Assert(auth.Expiration(), check.Equals, exptdate)
}
func (s *S) TestGetAuthEnv(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
os.Setenv("AWS_ACCESS_KEY_ID", "access")
auth, err := aws.GetAuth("", "", "", time.Time{})
c.Assert(err, check.IsNil)
c.Assert(auth, check.Equals, aws.Auth{SecretKey: "secret", AccessKey: "access"})
}
func (s *S) TestEncode(c *check.C) {
c.Assert(aws.Encode("foo"), check.Equals, "foo")
c.Assert(aws.Encode("/"), check.Equals, "%2F")
}
func (s *S) TestRegionsAreNamed(c *check.C) {
for n, r := range aws.Regions {
c.Assert(n, check.Equals, r.Name)
}
}
func (s *S) TestCredentialsFileAuth(c *check.C) {
file, err := ioutil.TempFile("", "creds")
if err != nil {
c.Fatal(err)
}
iniFile := `
[default] ; comment 123
aws_access_key_id = keyid1 ;comment
aws_secret_access_key=key1
[profile2]
aws_access_key_id = keyid2 ;comment
aws_secret_access_key=key2
aws_session_token=token1
`
_, err = file.WriteString(iniFile)
if err != nil {
c.Fatal(err)
}
err = file.Close()
if err != nil {
c.Fatal(err)
}
// check non-existant profile
_, err = aws.CredentialFileAuth(file.Name(), "no profile", 30*time.Minute)
c.Assert(err, check.Not(check.Equals), nil)
defaultProfile, err := aws.CredentialFileAuth(file.Name(), "default", 30*time.Minute)
c.Assert(err, check.Equals, nil)
c.Assert(defaultProfile.AccessKey, check.Equals, "keyid1")
c.Assert(defaultProfile.SecretKey, check.Equals, "key1")
c.Assert(defaultProfile.Token(), check.Equals, "")
profile2, err := aws.CredentialFileAuth(file.Name(), "profile2", 30*time.Minute)
c.Assert(err, check.Equals, nil)
c.Assert(profile2.AccessKey, check.Equals, "keyid2")
c.Assert(profile2.SecretKey, check.Equals, "key2")
c.Assert(profile2.Token(), check.Equals, "token1")
}

124
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/client.go generated vendored Normal file
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package aws
import (
"math"
"net"
"net/http"
"time"
)
type RetryableFunc func(*http.Request, *http.Response, error) bool
type WaitFunc func(try int)
type DeadlineFunc func() time.Time
type ResilientTransport struct {
// Timeout is the maximum amount of time a dial will wait for
// a connect to complete.
//
// The default is no timeout.
//
// With or without a timeout, the operating system may impose
// its own earlier timeout. For instance, TCP timeouts are
// often around 3 minutes.
DialTimeout time.Duration
// MaxTries, if non-zero, specifies the number of times we will retry on
// failure. Retries are only attempted for temporary network errors or known
// safe failures.
MaxTries int
Deadline DeadlineFunc
ShouldRetry RetryableFunc
Wait WaitFunc
transport *http.Transport
}
// Convenience method for creating an http client
func NewClient(rt *ResilientTransport) *http.Client {
rt.transport = &http.Transport{
Dial: func(netw, addr string) (net.Conn, error) {
c, err := net.DialTimeout(netw, addr, rt.DialTimeout)
if err != nil {
return nil, err
}
c.SetDeadline(rt.Deadline())
return c, nil
},
Proxy: http.ProxyFromEnvironment,
}
// TODO: Would be nice is ResilientTransport allowed clients to initialize
// with http.Transport attributes.
return &http.Client{
Transport: rt,
}
}
var retryingTransport = &ResilientTransport{
Deadline: func() time.Time {
return time.Now().Add(5 * time.Second)
},
DialTimeout: 10 * time.Second,
MaxTries: 3,
ShouldRetry: awsRetry,
Wait: ExpBackoff,
}
// Exported default client
var RetryingClient = NewClient(retryingTransport)
func (t *ResilientTransport) RoundTrip(req *http.Request) (*http.Response, error) {
return t.tries(req)
}
// Retry a request a maximum of t.MaxTries times.
// We'll only retry if the proper criteria are met.
// If a wait function is specified, wait that amount of time
// In between requests.
func (t *ResilientTransport) tries(req *http.Request) (res *http.Response, err error) {
for try := 0; try < t.MaxTries; try += 1 {
res, err = t.transport.RoundTrip(req)
if !t.ShouldRetry(req, res, err) {
break
}
if res != nil {
res.Body.Close()
}
if t.Wait != nil {
t.Wait(try)
}
}
return
}
func ExpBackoff(try int) {
time.Sleep(100 * time.Millisecond *
time.Duration(math.Exp2(float64(try))))
}
func LinearBackoff(try int) {
time.Sleep(time.Duration(try*100) * time.Millisecond)
}
// Decide if we should retry a request.
// In general, the criteria for retrying a request is described here
// http://docs.aws.amazon.com/general/latest/gr/api-retries.html
func awsRetry(req *http.Request, res *http.Response, err error) bool {
retry := false
// Retry if there's a temporary network error.
if neterr, ok := err.(net.Error); ok {
if neterr.Temporary() {
retry = true
}
}
// Retry if we get a 5xx series error.
if res != nil {
if res.StatusCode >= 500 && res.StatusCode < 600 {
retry = true
}
}
return retry
}

29
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/export_test.go generated vendored Normal file
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@ -0,0 +1,29 @@
package aws
import (
"net/http"
"time"
)
// V4Signer:
// Exporting methods for testing
func (s *V4Signer) RequestTime(req *http.Request) time.Time {
return s.requestTime(req)
}
func (s *V4Signer) CanonicalRequest(req *http.Request) string {
return s.canonicalRequest(req, "")
}
func (s *V4Signer) StringToSign(t time.Time, creq string) string {
return s.stringToSign(t, creq)
}
func (s *V4Signer) Signature(t time.Time, sts string) string {
return s.signature(t, sts)
}
func (s *V4Signer) Authorization(header http.Header, t time.Time, signature string) string {
return s.authorization(header, t, signature)
}

231
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/regions.go generated vendored Normal file
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@ -0,0 +1,231 @@
package aws
var USGovWest = Region{
"us-gov-west-1",
"https://ec2.us-gov-west-1.amazonaws.com",
"https://s3-fips-us-gov-west-1.amazonaws.com",
"",
true,
true,
"",
"https://sns.us-gov-west-1.amazonaws.com",
"https://sqs.us-gov-west-1.amazonaws.com",
"",
"https://iam.us-gov.amazonaws.com",
"https://elasticloadbalancing.us-gov-west-1.amazonaws.com",
"https://dynamodb.us-gov-west-1.amazonaws.com",
ServiceInfo{"https://monitoring.us-gov-west-1.amazonaws.com", V2Signature},
"https://autoscaling.us-gov-west-1.amazonaws.com",
ServiceInfo{"https://rds.us-gov-west-1.amazonaws.com", V2Signature},
"",
"https://sts.amazonaws.com",
"https://cloudformation.us-gov-west-1.amazonaws.com",
"",
}
var USEast = Region{
"us-east-1",
"https://ec2.us-east-1.amazonaws.com",
"https://s3.amazonaws.com",
"",
false,
false,
"https://sdb.amazonaws.com",
"https://sns.us-east-1.amazonaws.com",
"https://sqs.us-east-1.amazonaws.com",
"https://email.us-east-1.amazonaws.com",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.us-east-1.amazonaws.com",
"https://dynamodb.us-east-1.amazonaws.com",
ServiceInfo{"https://monitoring.us-east-1.amazonaws.com", V2Signature},
"https://autoscaling.us-east-1.amazonaws.com",
ServiceInfo{"https://rds.us-east-1.amazonaws.com", V2Signature},
"https://kinesis.us-east-1.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.us-east-1.amazonaws.com",
"https://elasticache.us-east-1.amazonaws.com",
}
var USWest = Region{
"us-west-1",
"https://ec2.us-west-1.amazonaws.com",
"https://s3-us-west-1.amazonaws.com",
"",
true,
true,
"https://sdb.us-west-1.amazonaws.com",
"https://sns.us-west-1.amazonaws.com",
"https://sqs.us-west-1.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.us-west-1.amazonaws.com",
"https://dynamodb.us-west-1.amazonaws.com",
ServiceInfo{"https://monitoring.us-west-1.amazonaws.com", V2Signature},
"https://autoscaling.us-west-1.amazonaws.com",
ServiceInfo{"https://rds.us-west-1.amazonaws.com", V2Signature},
"",
"https://sts.amazonaws.com",
"https://cloudformation.us-west-1.amazonaws.com",
"https://elasticache.us-west-1.amazonaws.com",
}
var USWest2 = Region{
"us-west-2",
"https://ec2.us-west-2.amazonaws.com",
"https://s3-us-west-2.amazonaws.com",
"",
true,
true,
"https://sdb.us-west-2.amazonaws.com",
"https://sns.us-west-2.amazonaws.com",
"https://sqs.us-west-2.amazonaws.com",
"https://email.us-west-2.amazonaws.com",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.us-west-2.amazonaws.com",
"https://dynamodb.us-west-2.amazonaws.com",
ServiceInfo{"https://monitoring.us-west-2.amazonaws.com", V2Signature},
"https://autoscaling.us-west-2.amazonaws.com",
ServiceInfo{"https://rds.us-west-2.amazonaws.com", V2Signature},
"https://kinesis.us-west-2.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.us-west-2.amazonaws.com",
"https://elasticache.us-west-2.amazonaws.com",
}
var EUWest = Region{
"eu-west-1",
"https://ec2.eu-west-1.amazonaws.com",
"https://s3-eu-west-1.amazonaws.com",
"",
true,
true,
"https://sdb.eu-west-1.amazonaws.com",
"https://sns.eu-west-1.amazonaws.com",
"https://sqs.eu-west-1.amazonaws.com",
"https://email.eu-west-1.amazonaws.com",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.eu-west-1.amazonaws.com",
"https://dynamodb.eu-west-1.amazonaws.com",
ServiceInfo{"https://monitoring.eu-west-1.amazonaws.com", V2Signature},
"https://autoscaling.eu-west-1.amazonaws.com",
ServiceInfo{"https://rds.eu-west-1.amazonaws.com", V2Signature},
"https://kinesis.eu-west-1.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.eu-west-1.amazonaws.com",
"https://elasticache.eu-west-1.amazonaws.com",
}
var EUCentral = Region{
"eu-central-1",
"https://ec2.eu-central-1.amazonaws.com",
"https://s3-eu-central-1.amazonaws.com",
"",
true,
true,
"https://sdb.eu-central-1.amazonaws.com",
"https://sns.eu-central-1.amazonaws.com",
"https://sqs.eu-central-1.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.eu-central-1.amazonaws.com",
"https://dynamodb.eu-central-1.amazonaws.com",
ServiceInfo{"https://monitoring.eu-central-1.amazonaws.com", V2Signature},
"https://autoscaling.eu-central-1.amazonaws.com",
ServiceInfo{"https://rds.eu-central-1.amazonaws.com", V2Signature},
"https://kinesis.eu-central-1.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.eu-central-1.amazonaws.com",
"",
}
var APSoutheast = Region{
"ap-southeast-1",
"https://ec2.ap-southeast-1.amazonaws.com",
"https://s3-ap-southeast-1.amazonaws.com",
"",
true,
true,
"https://sdb.ap-southeast-1.amazonaws.com",
"https://sns.ap-southeast-1.amazonaws.com",
"https://sqs.ap-southeast-1.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.ap-southeast-1.amazonaws.com",
"https://dynamodb.ap-southeast-1.amazonaws.com",
ServiceInfo{"https://monitoring.ap-southeast-1.amazonaws.com", V2Signature},
"https://autoscaling.ap-southeast-1.amazonaws.com",
ServiceInfo{"https://rds.ap-southeast-1.amazonaws.com", V2Signature},
"https://kinesis.ap-southeast-1.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.ap-southeast-1.amazonaws.com",
"https://elasticache.ap-southeast-1.amazonaws.com",
}
var APSoutheast2 = Region{
"ap-southeast-2",
"https://ec2.ap-southeast-2.amazonaws.com",
"https://s3-ap-southeast-2.amazonaws.com",
"",
true,
true,
"https://sdb.ap-southeast-2.amazonaws.com",
"https://sns.ap-southeast-2.amazonaws.com",
"https://sqs.ap-southeast-2.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.ap-southeast-2.amazonaws.com",
"https://dynamodb.ap-southeast-2.amazonaws.com",
ServiceInfo{"https://monitoring.ap-southeast-2.amazonaws.com", V2Signature},
"https://autoscaling.ap-southeast-2.amazonaws.com",
ServiceInfo{"https://rds.ap-southeast-2.amazonaws.com", V2Signature},
"https://kinesis.ap-southeast-2.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.ap-southeast-2.amazonaws.com",
"https://elasticache.ap-southeast-2.amazonaws.com",
}
var APNortheast = Region{
"ap-northeast-1",
"https://ec2.ap-northeast-1.amazonaws.com",
"https://s3-ap-northeast-1.amazonaws.com",
"",
true,
true,
"https://sdb.ap-northeast-1.amazonaws.com",
"https://sns.ap-northeast-1.amazonaws.com",
"https://sqs.ap-northeast-1.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.ap-northeast-1.amazonaws.com",
"https://dynamodb.ap-northeast-1.amazonaws.com",
ServiceInfo{"https://monitoring.ap-northeast-1.amazonaws.com", V2Signature},
"https://autoscaling.ap-northeast-1.amazonaws.com",
ServiceInfo{"https://rds.ap-northeast-1.amazonaws.com", V2Signature},
"https://kinesis.ap-northeast-1.amazonaws.com",
"https://sts.amazonaws.com",
"https://cloudformation.ap-northeast-1.amazonaws.com",
"https://elasticache.ap-northeast-1.amazonaws.com",
}
var SAEast = Region{
"sa-east-1",
"https://ec2.sa-east-1.amazonaws.com",
"https://s3-sa-east-1.amazonaws.com",
"",
true,
true,
"https://sdb.sa-east-1.amazonaws.com",
"https://sns.sa-east-1.amazonaws.com",
"https://sqs.sa-east-1.amazonaws.com",
"",
"https://iam.amazonaws.com",
"https://elasticloadbalancing.sa-east-1.amazonaws.com",
"https://dynamodb.sa-east-1.amazonaws.com",
ServiceInfo{"https://monitoring.sa-east-1.amazonaws.com", V2Signature},
"https://autoscaling.sa-east-1.amazonaws.com",
ServiceInfo{"https://rds.sa-east-1.amazonaws.com", V2Signature},
"",
"https://sts.amazonaws.com",
"https://cloudformation.sa-east-1.amazonaws.com",
"https://elasticache.sa-east-1.amazonaws.com",
}

136
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/retry.go generated vendored Normal file
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package aws
import (
"math/rand"
"net"
"net/http"
"time"
)
const (
maxDelay = 20 * time.Second
defaultScale = 300 * time.Millisecond
throttlingScale = 500 * time.Millisecond
throttlingScaleRange = throttlingScale / 4
defaultMaxRetries = 3
dynamoDBScale = 25 * time.Millisecond
dynamoDBMaxRetries = 10
)
// A RetryPolicy encapsulates a strategy for implementing client retries.
//
// Default implementations are provided which match the AWS SDKs.
type RetryPolicy interface {
// ShouldRetry returns whether a client should retry a failed request.
ShouldRetry(target string, r *http.Response, err error, numRetries int) bool
// Delay returns the time a client should wait before issuing a retry.
Delay(target string, r *http.Response, err error, numRetries int) time.Duration
}
// DefaultRetryPolicy implements the AWS SDK default retry policy.
//
// It will retry up to 3 times, and uses an exponential backoff with a scale
// factor of 300ms (300ms, 600ms, 1200ms). If the retry is because of
// throttling, the delay will also include some randomness.
//
// See https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-core/src/main/java/com/amazonaws/retry/PredefinedRetryPolicies.java#L90.
type DefaultRetryPolicy struct {
}
// ShouldRetry implements the RetryPolicy ShouldRetry method.
func (policy DefaultRetryPolicy) ShouldRetry(target string, r *http.Response, err error, numRetries int) bool {
return shouldRetry(r, err, numRetries, defaultMaxRetries)
}
// Delay implements the RetryPolicy Delay method.
func (policy DefaultRetryPolicy) Delay(target string, r *http.Response, err error, numRetries int) time.Duration {
scale := defaultScale
if err, ok := err.(*Error); ok && isThrottlingException(err) {
scale = throttlingScale + time.Duration(rand.Int63n(int64(throttlingScaleRange)))
}
return exponentialBackoff(numRetries, scale)
}
// DynamoDBRetryPolicy implements the AWS SDK DynamoDB retry policy.
//
// It will retry up to 10 times, and uses an exponential backoff with a scale
// factor of 25ms (25ms, 50ms, 100ms, ...).
//
// See https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-core/src/main/java/com/amazonaws/retry/PredefinedRetryPolicies.java#L103.
type DynamoDBRetryPolicy struct {
}
// ShouldRetry implements the RetryPolicy ShouldRetry method.
func (policy DynamoDBRetryPolicy) ShouldRetry(target string, r *http.Response, err error, numRetries int) bool {
return shouldRetry(r, err, numRetries, dynamoDBMaxRetries)
}
// Delay implements the RetryPolicy Delay method.
func (policy DynamoDBRetryPolicy) Delay(target string, r *http.Response, err error, numRetries int) time.Duration {
return exponentialBackoff(numRetries, dynamoDBScale)
}
// NeverRetryPolicy never retries requests and returns immediately on failure.
type NeverRetryPolicy struct {
}
// ShouldRetry implements the RetryPolicy ShouldRetry method.
func (policy NeverRetryPolicy) ShouldRetry(target string, r *http.Response, err error, numRetries int) bool {
return false
}
// Delay implements the RetryPolicy Delay method.
func (policy NeverRetryPolicy) Delay(target string, r *http.Response, err error, numRetries int) time.Duration {
return time.Duration(0)
}
// shouldRetry determines if we should retry the request.
//
// See http://docs.aws.amazon.com/general/latest/gr/api-retries.html.
func shouldRetry(r *http.Response, err error, numRetries int, maxRetries int) bool {
// Once we've exceeded the max retry attempts, game over.
if numRetries >= maxRetries {
return false
}
// Always retry temporary network errors.
if err, ok := err.(net.Error); ok && err.Temporary() {
return true
}
// Always retry 5xx responses.
if r != nil && r.StatusCode >= 500 {
return true
}
// Always retry throttling exceptions.
if err, ok := err.(ServiceError); ok && isThrottlingException(err) {
return true
}
// Other classes of failures indicate a problem with the request. Retrying
// won't help.
return false
}
func exponentialBackoff(numRetries int, scale time.Duration) time.Duration {
if numRetries < 0 {
return time.Duration(0)
}
delay := (1 << uint(numRetries)) * scale
if delay > maxDelay {
return maxDelay
}
return delay
}
func isThrottlingException(err ServiceError) bool {
switch err.ErrorCode() {
case "Throttling", "ThrottlingException", "ProvisionedThroughputExceededException":
return true
default:
return false
}
}

303
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/retry_test.go generated vendored Normal file
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package aws
import (
"math/rand"
"net"
"net/http"
"testing"
"time"
)
type testInput struct {
res *http.Response
err error
numRetries int
}
type testResult struct {
shouldRetry bool
delay time.Duration
}
type testCase struct {
input testInput
defaultResult testResult
dynamoDBResult testResult
}
var testCases = []testCase{
// Test nil fields
testCase{
input: testInput{
err: nil,
res: nil,
numRetries: 0,
},
defaultResult: testResult{
shouldRetry: false,
delay: 300 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: 25 * time.Millisecond,
},
},
// Test 3 different throttling exceptions
testCase{
input: testInput{
err: &Error{
Code: "Throttling",
},
numRetries: 0,
},
defaultResult: testResult{
shouldRetry: true,
delay: 617165505 * time.Nanosecond, // account for randomness with known seed
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 25 * time.Millisecond,
},
},
testCase{
input: testInput{
err: &Error{
Code: "ThrottlingException",
},
numRetries: 0,
},
defaultResult: testResult{
shouldRetry: true,
delay: 579393152 * time.Nanosecond, // account for randomness with known seed
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 25 * time.Millisecond,
},
},
testCase{
input: testInput{
err: &Error{
Code: "ProvisionedThroughputExceededException",
},
numRetries: 1,
},
defaultResult: testResult{
shouldRetry: true,
delay: 1105991654 * time.Nanosecond, // account for randomness with known seed
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 50 * time.Millisecond,
},
},
// Test a fake throttling exception
testCase{
input: testInput{
err: &Error{
Code: "MyMadeUpThrottlingCode",
},
numRetries: 0,
},
defaultResult: testResult{
shouldRetry: false,
delay: 300 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: 25 * time.Millisecond,
},
},
// Test 5xx errors
testCase{
input: testInput{
res: &http.Response{
StatusCode: http.StatusInternalServerError,
},
numRetries: 1,
},
defaultResult: testResult{
shouldRetry: true,
delay: 600 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 50 * time.Millisecond,
},
},
testCase{
input: testInput{
res: &http.Response{
StatusCode: http.StatusServiceUnavailable,
},
numRetries: 1,
},
defaultResult: testResult{
shouldRetry: true,
delay: 600 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 50 * time.Millisecond,
},
},
// Test a random 400 error
testCase{
input: testInput{
res: &http.Response{
StatusCode: http.StatusNotFound,
},
numRetries: 1,
},
defaultResult: testResult{
shouldRetry: false,
delay: 600 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: 50 * time.Millisecond,
},
},
// Test a temporary net.Error
testCase{
input: testInput{
res: &http.Response{},
err: &net.DNSError{
IsTimeout: true,
},
numRetries: 2,
},
defaultResult: testResult{
shouldRetry: true,
delay: 1200 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 100 * time.Millisecond,
},
},
// Test a non-temporary net.Error
testCase{
input: testInput{
res: &http.Response{},
err: &net.DNSError{
IsTimeout: false,
},
numRetries: 3,
},
defaultResult: testResult{
shouldRetry: false,
delay: 2400 * time.Millisecond,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: 200 * time.Millisecond,
},
},
// Assert failure after hitting max default retries
testCase{
input: testInput{
err: &Error{
Code: "ProvisionedThroughputExceededException",
},
numRetries: defaultMaxRetries,
},
defaultResult: testResult{
shouldRetry: false,
delay: 4313582352 * time.Nanosecond, // account for randomness with known seed
},
dynamoDBResult: testResult{
shouldRetry: true,
delay: 200 * time.Millisecond,
},
},
// Assert failure after hitting max DynamoDB retries
testCase{
input: testInput{
err: &Error{
Code: "ProvisionedThroughputExceededException",
},
numRetries: dynamoDBMaxRetries,
},
defaultResult: testResult{
shouldRetry: false,
delay: maxDelay,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: maxDelay,
},
},
// Assert we never go over the maxDelay value
testCase{
input: testInput{
numRetries: 25,
},
defaultResult: testResult{
shouldRetry: false,
delay: maxDelay,
},
dynamoDBResult: testResult{
shouldRetry: false,
delay: maxDelay,
},
},
}
func TestDefaultRetryPolicy(t *testing.T) {
rand.Seed(0)
var policy RetryPolicy
policy = &DefaultRetryPolicy{}
for _, test := range testCases {
res := test.input.res
err := test.input.err
numRetries := test.input.numRetries
shouldRetry := policy.ShouldRetry("", res, err, numRetries)
if shouldRetry != test.defaultResult.shouldRetry {
t.Errorf("ShouldRetry returned %v, expected %v res=%#v err=%#v numRetries=%d", shouldRetry, test.defaultResult.shouldRetry, res, err, numRetries)
}
delay := policy.Delay("", res, err, numRetries)
if delay != test.defaultResult.delay {
t.Errorf("Delay returned %v, expected %v res=%#v err=%#v numRetries=%d", delay, test.defaultResult.delay, res, err, numRetries)
}
}
}
func TestDynamoDBRetryPolicy(t *testing.T) {
var policy RetryPolicy
policy = &DynamoDBRetryPolicy{}
for _, test := range testCases {
res := test.input.res
err := test.input.err
numRetries := test.input.numRetries
shouldRetry := policy.ShouldRetry("", res, err, numRetries)
if shouldRetry != test.dynamoDBResult.shouldRetry {
t.Errorf("ShouldRetry returned %v, expected %v res=%#v err=%#v numRetries=%d", shouldRetry, test.dynamoDBResult.shouldRetry, res, err, numRetries)
}
delay := policy.Delay("", res, err, numRetries)
if delay != test.dynamoDBResult.delay {
t.Errorf("Delay returned %v, expected %v res=%#v err=%#v numRetries=%d", delay, test.dynamoDBResult.delay, res, err, numRetries)
}
}
}
func TestNeverRetryPolicy(t *testing.T) {
var policy RetryPolicy
policy = &NeverRetryPolicy{}
for _, test := range testCases {
res := test.input.res
err := test.input.err
numRetries := test.input.numRetries
shouldRetry := policy.ShouldRetry("", res, err, numRetries)
if shouldRetry {
t.Errorf("ShouldRetry returned %v, expected %v res=%#v err=%#v numRetries=%d", shouldRetry, false, res, err, numRetries)
}
delay := policy.Delay("", res, err, numRetries)
if delay != time.Duration(0) {
t.Errorf("Delay returned %v, expected %v res=%#v err=%#v numRetries=%d", delay, time.Duration(0), res, err, numRetries)
}
}
}

381
Godeps/_workspace/src/github.com/crowdmob/goamz/aws/sign.go generated vendored Normal file
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package aws
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"path"
"sort"
"strings"
"time"
)
type V2Signer struct {
auth Auth
service ServiceInfo
host string
}
var b64 = base64.StdEncoding
func NewV2Signer(auth Auth, service ServiceInfo) (*V2Signer, error) {
u, err := url.Parse(service.Endpoint)
if err != nil {
return nil, err
}
return &V2Signer{auth: auth, service: service, host: u.Host}, nil
}
func (s *V2Signer) Sign(method, path string, params map[string]string) {
params["AWSAccessKeyId"] = s.auth.AccessKey
params["SignatureVersion"] = "2"
params["SignatureMethod"] = "HmacSHA256"
if s.auth.Token() != "" {
params["SecurityToken"] = s.auth.Token()
}
// AWS specifies that the parameters in a signed request must
// be provided in the natural order of the keys. This is distinct
// from the natural order of the encoded value of key=value.
// Percent and gocheck.Equals affect the sorting order.
var keys, sarray []string
for k, _ := range params {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
sarray = append(sarray, Encode(k)+"="+Encode(params[k]))
}
joined := strings.Join(sarray, "&")
payload := method + "\n" + s.host + "\n" + path + "\n" + joined
hash := hmac.New(sha256.New, []byte(s.auth.SecretKey))
hash.Write([]byte(payload))
signature := make([]byte, b64.EncodedLen(hash.Size()))
b64.Encode(signature, hash.Sum(nil))
params["Signature"] = string(signature)
}
// Common date formats for signing requests
const (
ISO8601BasicFormat = "20060102T150405Z"
ISO8601BasicFormatShort = "20060102"
)
type Route53Signer struct {
auth Auth
}
func NewRoute53Signer(auth Auth) *Route53Signer {
return &Route53Signer{auth: auth}
}
// getCurrentDate fetches the date stamp from the aws servers to
// ensure the auth headers are within 5 minutes of the server time
func (s *Route53Signer) getCurrentDate() string {
response, err := http.Get("https://route53.amazonaws.com/date")
if err != nil {
fmt.Print("Unable to get date from amazon: ", err)
return ""
}
response.Body.Close()
return response.Header.Get("Date")
}
// Creates the authorize signature based on the date stamp and secret key
func (s *Route53Signer) getHeaderAuthorize(message string) string {
hmacSha256 := hmac.New(sha256.New, []byte(s.auth.SecretKey))
hmacSha256.Write([]byte(message))
cryptedString := hmacSha256.Sum(nil)
return base64.StdEncoding.EncodeToString(cryptedString)
}
// Adds all the required headers for AWS Route53 API to the request
// including the authorization
func (s *Route53Signer) Sign(req *http.Request) {
date := s.getCurrentDate()
authHeader := fmt.Sprintf("AWS3-HTTPS AWSAccessKeyId=%s,Algorithm=%s,Signature=%s",
s.auth.AccessKey, "HmacSHA256", s.getHeaderAuthorize(date))
req.Header.Set("Host", req.Host)
req.Header.Set("X-Amzn-Authorization", authHeader)
req.Header.Set("X-Amz-Date", date)
req.Header.Set("Content-Type", "application/xml")
if s.auth.Token() != "" {
req.Header.Set("X-Amzn-Security-Token", s.auth.Token())
}
}
/*
The V4Signer encapsulates all of the functionality to sign a request with the AWS
Signature Version 4 Signing Process. (http://goo.gl/u1OWZz)
*/
type V4Signer struct {
auth Auth
serviceName string
region Region
// Add the x-amz-content-sha256 header
IncludeXAmzContentSha256 bool
}
/*
Return a new instance of a V4Signer capable of signing AWS requests.
*/
func NewV4Signer(auth Auth, serviceName string, region Region) *V4Signer {
return &V4Signer{
auth: auth,
serviceName: serviceName,
region: region,
IncludeXAmzContentSha256: false,
}
}
/*
Sign a request according to the AWS Signature Version 4 Signing Process. (http://goo.gl/u1OWZz)
The signed request will include an "x-amz-date" header with a current timestamp if a valid "x-amz-date"
or "date" header was not available in the original request. In addition, AWS Signature Version 4 requires
the "host" header to be a signed header, therefor the Sign method will manually set a "host" header from
the request.Host.
The signed request will include a new "Authorization" header indicating that the request has been signed.
Any changes to the request after signing the request will invalidate the signature.
*/
func (s *V4Signer) Sign(req *http.Request) {
req.Header.Set("host", req.Host) // host header must be included as a signed header
payloadHash := s.payloadHash(req)
if s.IncludeXAmzContentSha256 {
req.Header.Set("x-amz-content-sha256", payloadHash) // x-amz-content-sha256 contains the payload hash
}
t := s.requestTime(req) // Get request time
creq := s.canonicalRequest(req, payloadHash) // Build canonical request
sts := s.stringToSign(t, creq) // Build string to sign
signature := s.signature(t, sts) // Calculate the AWS Signature Version 4
auth := s.authorization(req.Header, t, signature) // Create Authorization header value
req.Header.Set("Authorization", auth) // Add Authorization header to request
return
}
/*
requestTime method will parse the time from the request "x-amz-date" or "date" headers.
If the "x-amz-date" header is present, that will take priority over the "date" header.
If neither header is defined or we are unable to parse either header as a valid date
then we will create a new "x-amz-date" header with the current time.
*/
func (s *V4Signer) requestTime(req *http.Request) time.Time {
// Get "x-amz-date" header
date := req.Header.Get("x-amz-date")
// Attempt to parse as ISO8601BasicFormat
t, err := time.Parse(ISO8601BasicFormat, date)
if err == nil {
return t
}
// Attempt to parse as http.TimeFormat
t, err = time.Parse(http.TimeFormat, date)
if err == nil {
req.Header.Set("x-amz-date", t.Format(ISO8601BasicFormat))
return t
}
// Get "date" header
date = req.Header.Get("date")
// Attempt to parse as http.TimeFormat
t, err = time.Parse(http.TimeFormat, date)
if err == nil {
return t
}
// Create a current time header to be used
t = time.Now().UTC()
req.Header.Set("x-amz-date", t.Format(ISO8601BasicFormat))
return t
}
/*
canonicalRequest method creates the canonical request according to Task 1 of the AWS Signature Version 4 Signing Process. (http://goo.gl/eUUZ3S)
CanonicalRequest =
HTTPRequestMethod + '\n' +
CanonicalURI + '\n' +
CanonicalQueryString + '\n' +
CanonicalHeaders + '\n' +
SignedHeaders + '\n' +
HexEncode(Hash(Payload))
payloadHash is optional; use the empty string and it will be calculated from the request
*/
func (s *V4Signer) canonicalRequest(req *http.Request, payloadHash string) string {
if payloadHash == "" {
payloadHash = s.payloadHash(req)
}
c := new(bytes.Buffer)
fmt.Fprintf(c, "%s\n", req.Method)
fmt.Fprintf(c, "%s\n", s.canonicalURI(req.URL))
fmt.Fprintf(c, "%s\n", s.canonicalQueryString(req.URL))
fmt.Fprintf(c, "%s\n\n", s.canonicalHeaders(req.Header))
fmt.Fprintf(c, "%s\n", s.signedHeaders(req.Header))
fmt.Fprintf(c, "%s", payloadHash)
return c.String()
}
func (s *V4Signer) canonicalURI(u *url.URL) string {
u = &url.URL{Path: u.Path}
canonicalPath := u.String()
slash := strings.HasSuffix(canonicalPath, "/")
canonicalPath = path.Clean(canonicalPath)
if canonicalPath == "" || canonicalPath == "." {
canonicalPath = "/"
}
if canonicalPath != "/" && slash {
canonicalPath += "/"
}
return canonicalPath
}
func (s *V4Signer) canonicalQueryString(u *url.URL) string {
var a []string
for k, vs := range u.Query() {
k = url.QueryEscape(k)
for _, v := range vs {
if v == "" {
a = append(a, k+"=")
} else {
v = url.QueryEscape(v)
a = append(a, k+"="+v)
}
}
}
sort.Strings(a)
return strings.Join(a, "&")
}
func (s *V4Signer) canonicalHeaders(h http.Header) string {
i, a := 0, make([]string, len(h))
for k, v := range h {
for j, w := range v {
v[j] = strings.Trim(w, " ")
}
sort.Strings(v)
a[i] = strings.ToLower(k) + ":" + strings.Join(v, ",")
i++
}
sort.Strings(a)
return strings.Join(a, "\n")
}
func (s *V4Signer) signedHeaders(h http.Header) string {
i, a := 0, make([]string, len(h))
for k, _ := range h {
a[i] = strings.ToLower(k)
i++
}
sort.Strings(a)
return strings.Join(a, ";")
}
func (s *V4Signer) payloadHash(req *http.Request) string {
var b []byte
if req.Body == nil {
b = []byte("")
} else {
var err error
b, err = ioutil.ReadAll(req.Body)
if err != nil {
// TODO: I REALLY DON'T LIKE THIS PANIC!!!!
panic(err)
}
}
req.Body = ioutil.NopCloser(bytes.NewBuffer(b))
return s.hash(string(b))
}
/*
stringToSign method creates the string to sign accorting to Task 2 of the AWS Signature Version 4 Signing Process. (http://goo.gl/es1PAu)
StringToSign =
Algorithm + '\n' +
RequestDate + '\n' +
CredentialScope + '\n' +
HexEncode(Hash(CanonicalRequest))
*/
func (s *V4Signer) stringToSign(t time.Time, creq string) string {
w := new(bytes.Buffer)
fmt.Fprint(w, "AWS4-HMAC-SHA256\n")
fmt.Fprintf(w, "%s\n", t.Format(ISO8601BasicFormat))
fmt.Fprintf(w, "%s\n", s.credentialScope(t))
fmt.Fprintf(w, "%s", s.hash(creq))
return w.String()
}
func (s *V4Signer) credentialScope(t time.Time) string {
return fmt.Sprintf("%s/%s/%s/aws4_request", t.Format(ISO8601BasicFormatShort), s.region.Name, s.serviceName)
}
/*
signature method calculates the AWS Signature Version 4 according to Task 3 of the AWS Signature Version 4 Signing Process. (http://goo.gl/j0Yqe1)
signature = HexEncode(HMAC(derived-signing-key, string-to-sign))
*/
func (s *V4Signer) signature(t time.Time, sts string) string {
h := s.hmac(s.derivedKey(t), []byte(sts))
return fmt.Sprintf("%x", h)
}
/*
derivedKey method derives a signing key to be used for signing a request.
kSecret = Your AWS Secret Access Key
kDate = HMAC("AWS4" + kSecret, Date)
kRegion = HMAC(kDate, Region)
kService = HMAC(kRegion, Service)
kSigning = HMAC(kService, "aws4_request")
*/
func (s *V4Signer) derivedKey(t time.Time) []byte {
h := s.hmac([]byte("AWS4"+s.auth.SecretKey), []byte(t.Format(ISO8601BasicFormatShort)))
h = s.hmac(h, []byte(s.region.Name))
h = s.hmac(h, []byte(s.serviceName))
h = s.hmac(h, []byte("aws4_request"))
return h
}
/*
authorization method generates the authorization header value.
*/
func (s *V4Signer) authorization(header http.Header, t time.Time, signature string) string {
w := new(bytes.Buffer)
fmt.Fprint(w, "AWS4-HMAC-SHA256 ")
fmt.Fprintf(w, "Credential=%s/%s, ", s.auth.AccessKey, s.credentialScope(t))
fmt.Fprintf(w, "SignedHeaders=%s, ", s.signedHeaders(header))
fmt.Fprintf(w, "Signature=%s", signature)
return w.String()
}
// hash method calculates the sha256 hash for a given string
func (s *V4Signer) hash(in string) string {
h := sha256.New()
fmt.Fprintf(h, "%s", in)
return fmt.Sprintf("%x", h.Sum(nil))
}
// hmac method calculates the sha256 hmac for a given slice of bytes
func (s *V4Signer) hmac(key, data []byte) []byte {
h := hmac.New(sha256.New, key)
h.Write(data)
return h.Sum(nil)
}

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Godeps/_workspace/src/github.com/crowdmob/goamz/aws/sign_test.go generated vendored Normal file
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@ -0,0 +1,569 @@
package aws_test
import (
"fmt"
"github.com/crowdmob/goamz/aws"
"gopkg.in/check.v1"
"net/http"
"strings"
"time"
)
var _ = check.Suite(&V4SignerSuite{})
type V4SignerSuite struct {
auth aws.Auth
region aws.Region
cases []V4SignerSuiteCase
}
type V4SignerSuiteCase struct {
label string
request V4SignerSuiteCaseRequest
canonicalRequest string
stringToSign string
signature string
authorization string
}
type V4SignerSuiteCaseRequest struct {
method string
host string
url string
headers []string
body string
}
func (s *V4SignerSuite) SetUpSuite(c *check.C) {
s.auth = aws.Auth{AccessKey: "AKIDEXAMPLE", SecretKey: "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY"}
s.region = aws.USEast
// Test cases from the Signature Version 4 Test Suite (http://goo.gl/nguvs0)
s.cases = append(s.cases,
// get-header-key-duplicate
V4SignerSuiteCase{
label: "get-header-key-duplicate",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT", "ZOO:zoobar", "zoo:foobar", "zoo:zoobar"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\nzoo:foobar,zoobar,zoobar\n\ndate;host;zoo\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n3c52f0eaae2b61329c0a332e3fa15842a37bc5812cf4d80eb64784308850e313",
signature: "54afcaaf45b331f81cd2edb974f7b824ff4dd594cbbaa945ed636b48477368ed",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=54afcaaf45b331f81cd2edb974f7b824ff4dd594cbbaa945ed636b48477368ed",
},
// get-header-value-order
V4SignerSuiteCase{
label: "get-header-value-order",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT", "p:z", "p:a", "p:p", "p:a"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\np:a,a,p,z\n\ndate;host;p\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n94c0389fefe0988cbbedc8606f0ca0b485b48da010d09fc844b45b697c8924fe",
signature: "d2973954263943b11624a11d1c963ca81fb274169c7868b2858c04f083199e3d",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;p, Signature=d2973954263943b11624a11d1c963ca81fb274169c7868b2858c04f083199e3d",
},
// get-header-value-trim
V4SignerSuiteCase{
label: "get-header-value-trim",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT", "p: phfft "},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\np:phfft\n\ndate;host;p\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\ndddd1902add08da1ac94782b05f9278c08dc7468db178a84f8950d93b30b1f35",
signature: "debf546796015d6f6ded8626f5ce98597c33b47b9164cf6b17b4642036fcb592",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;p, Signature=debf546796015d6f6ded8626f5ce98597c33b47b9164cf6b17b4642036fcb592",
},
// get-empty
V4SignerSuiteCase{
label: "get-relative-relative",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-single-relative
V4SignerSuiteCase{
label: "get-relative-relative",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/.",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-multiple-relative
V4SignerSuiteCase{
label: "get-relative-relative",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/./././",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-relative-relative
V4SignerSuiteCase{
label: "get-relative-relative",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/foo/bar/../..",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-relative
V4SignerSuiteCase{
label: "get-relative",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/foo/..",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-slash-dot-slash
V4SignerSuiteCase{
label: "get-slash-dot-slash",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/./",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-slash-pointless-dot
V4SignerSuiteCase{
label: "get-slash-pointless-dot",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/./foo",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/foo\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n8021a97572ee460f87ca67f4e8c0db763216d84715f5424a843a5312a3321e2d",
signature: "910e4d6c9abafaf87898e1eb4c929135782ea25bb0279703146455745391e63a",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=910e4d6c9abafaf87898e1eb4c929135782ea25bb0279703146455745391e63a",
},
// get-slash
V4SignerSuiteCase{
label: "get-slash",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "//",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-slashes
V4SignerSuiteCase{
label: "get-slashes",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "//foo//",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/foo/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n6bb4476ee8745730c9cb79f33a0c70baa6d8af29c0077fa12e4e8f1dd17e7098",
signature: "b00392262853cfe3201e47ccf945601079e9b8a7f51ee4c3d9ee4f187aa9bf19",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b00392262853cfe3201e47ccf945601079e9b8a7f51ee4c3d9ee4f187aa9bf19",
},
// get-space
V4SignerSuiteCase{
label: "get-space",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/%20/foo",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/%20/foo\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n69c45fb9fe3fd76442b5086e50b2e9fec8298358da957b293ef26e506fdfb54b",
signature: "f309cfbd10197a230c42dd17dbf5cca8a0722564cb40a872d25623cfa758e374",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=f309cfbd10197a230c42dd17dbf5cca8a0722564cb40a872d25623cfa758e374",
},
// get-unreserved
V4SignerSuiteCase{
label: "get-unreserved",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\ndf63ee3247c0356c696a3b21f8d8490b01fa9cd5bc6550ef5ef5f4636b7b8901",
signature: "830cc36d03f0f84e6ee4953fbe701c1c8b71a0372c63af9255aa364dd183281e",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=830cc36d03f0f84e6ee4953fbe701c1c8b71a0372c63af9255aa364dd183281e",
},
// get-utf8
V4SignerSuiteCase{
label: "get-utf8",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/%E1%88%B4",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/%E1%88%B4\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n27ba31df5dbc6e063d8f87d62eb07143f7f271c5330a917840586ac1c85b6f6b",
signature: "8d6634c189aa8c75c2e51e106b6b5121bed103fdb351f7d7d4381c738823af74",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=8d6634c189aa8c75c2e51e106b6b5121bed103fdb351f7d7d4381c738823af74",
},
// get-vanilla-empty-query-key
V4SignerSuiteCase{
label: "get-vanilla-empty-query-key",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?foo=bar",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\nfoo=bar\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n0846c2945b0832deb7a463c66af5c4f8bd54ec28c438e67a214445b157c9ddf8",
signature: "56c054473fd260c13e4e7393eb203662195f5d4a1fada5314b8b52b23f985e9f",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=56c054473fd260c13e4e7393eb203662195f5d4a1fada5314b8b52b23f985e9f",
},
// get-vanilla-query-order-key-case
V4SignerSuiteCase{
label: "get-vanilla-query-order-key-case",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?foo=Zoo&foo=aha",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\nfoo=Zoo&foo=aha\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\ne25f777ba161a0f1baf778a87faf057187cf5987f17953320e3ca399feb5f00d",
signature: "be7148d34ebccdc6423b19085378aa0bee970bdc61d144bd1a8c48c33079ab09",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=be7148d34ebccdc6423b19085378aa0bee970bdc61d144bd1a8c48c33079ab09",
},
// get-vanilla-query-order-key
V4SignerSuiteCase{
label: "get-vanilla-query-order-key",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?a=foo&b=foo",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\na=foo&b=foo\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n2f23d14fe13caebf6dfda346285c6d9c14f49eaca8f5ec55c627dd7404f7a727",
signature: "0dc122f3b28b831ab48ba65cb47300de53fbe91b577fe113edac383730254a3b",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=0dc122f3b28b831ab48ba65cb47300de53fbe91b577fe113edac383730254a3b",
},
// get-vanilla-query-order-value
V4SignerSuiteCase{
label: "get-vanilla-query-order-value",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?foo=b&foo=a",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\nfoo=a&foo=b\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n33dffc220e89131f8f6157a35c40903daa658608d9129ff9489e5cf5bbd9b11b",
signature: "feb926e49e382bec75c9d7dcb2a1b6dc8aa50ca43c25d2bc51143768c0875acc",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=feb926e49e382bec75c9d7dcb2a1b6dc8aa50ca43c25d2bc51143768c0875acc",
},
// get-vanilla-query-unreserved
V4SignerSuiteCase{
label: "get-vanilla-query-unreserved",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\nd2578f3156d4c9d180713d1ff20601d8a3eed0dd35447d24603d7d67414bd6b5",
signature: "f1498ddb4d6dae767d97c466fb92f1b59a2c71ca29ac954692663f9db03426fb",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=f1498ddb4d6dae767d97c466fb92f1b59a2c71ca29ac954692663f9db03426fb",
},
// get-vanilla-query
V4SignerSuiteCase{
label: "get-vanilla-query",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// get-vanilla-ut8-query
V4SignerSuiteCase{
label: "get-vanilla-ut8-query",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/?ሴ=bar",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n%E1%88%B4=bar\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\nde5065ff39c131e6c2e2bd19cd9345a794bf3b561eab20b8d97b2093fc2a979e",
signature: "6fb359e9a05394cc7074e0feb42573a2601abc0c869a953e8c5c12e4e01f1a8c",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=6fb359e9a05394cc7074e0feb42573a2601abc0c869a953e8c5c12e4e01f1a8c",
},
// get-vanilla
V4SignerSuiteCase{
label: "get-vanilla",
request: V4SignerSuiteCaseRequest{
method: "GET",
host: "host.foo.com",
url: "/",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "GET\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n366b91fb121d72a00f46bbe8d395f53a102b06dfb7e79636515208ed3fa606b1",
signature: "b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
},
// post-header-key-case
V4SignerSuiteCase{
label: "post-header-key-case",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n05da62cee468d24ae84faff3c39f1b85540de60243c1bcaace39c0a2acc7b2c4",
signature: "22902d79e148b64e7571c3565769328423fe276eae4b26f83afceda9e767f726",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=22902d79e148b64e7571c3565769328423fe276eae4b26f83afceda9e767f726",
},
// post-header-key-sort
V4SignerSuiteCase{
label: "post-header-key-sort",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT", "ZOO:zoobar"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\nzoo:zoobar\n\ndate;host;zoo\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n34e1bddeb99e76ee01d63b5e28656111e210529efeec6cdfd46a48e4c734545d",
signature: "b7a95a52518abbca0964a999a880429ab734f35ebbf1235bd79a5de87756dc4a",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=b7a95a52518abbca0964a999a880429ab734f35ebbf1235bd79a5de87756dc4a",
},
// post-header-value-case
V4SignerSuiteCase{
label: "post-header-value-case",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"DATE:Mon, 09 Sep 2011 23:36:00 GMT", "zoo:ZOOBAR"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\nzoo:ZOOBAR\n\ndate;host;zoo\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n3aae6d8274b8c03e2cc96fc7d6bda4b9bd7a0a184309344470b2c96953e124aa",
signature: "273313af9d0c265c531e11db70bbd653f3ba074c1009239e8559d3987039cad7",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=273313af9d0c265c531e11db70bbd653f3ba074c1009239e8559d3987039cad7",
},
// post-vanilla-empty-query-value
V4SignerSuiteCase{
label: "post-vanilla-empty-query-value",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/?foo=bar",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "POST\n/\nfoo=bar\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\ncd4f39132d8e60bb388831d734230460872b564871c47f5de62e62d1a68dbe1e",
signature: "b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92",
},
// post-vanilla-query
V4SignerSuiteCase{
label: "post-vanilla-query",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/?foo=bar",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "POST\n/\nfoo=bar\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\ncd4f39132d8e60bb388831d734230460872b564871c47f5de62e62d1a68dbe1e",
signature: "b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92",
},
// post-vanilla
V4SignerSuiteCase{
label: "post-vanilla",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"Date:Mon, 09 Sep 2011 23:36:00 GMT"},
},
canonicalRequest: "POST\n/\n\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ndate;host\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n05da62cee468d24ae84faff3c39f1b85540de60243c1bcaace39c0a2acc7b2c4",
signature: "22902d79e148b64e7571c3565769328423fe276eae4b26f83afceda9e767f726",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=22902d79e148b64e7571c3565769328423fe276eae4b26f83afceda9e767f726",
},
// post-x-www-form-urlencoded-parameters
V4SignerSuiteCase{
label: "post-x-www-form-urlencoded-parameters",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"Content-Type:application/x-www-form-urlencoded; charset=utf8", "Date:Mon, 09 Sep 2011 23:36:00 GMT"},
body: "foo=bar",
},
canonicalRequest: "POST\n/\n\ncontent-type:application/x-www-form-urlencoded; charset=utf8\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ncontent-type;date;host\n3ba8907e7a252327488df390ed517c45b96dead033600219bdca7107d1d3f88a",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\nc4115f9e54b5cecf192b1eaa23b8e88ed8dc5391bd4fde7b3fff3d9c9fe0af1f",
signature: "b105eb10c6d318d2294de9d49dd8b031b55e3c3fe139f2e637da70511e9e7b71",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=content-type;date;host, Signature=b105eb10c6d318d2294de9d49dd8b031b55e3c3fe139f2e637da70511e9e7b71",
},
// post-x-www-form-urlencoded
V4SignerSuiteCase{
label: "post-x-www-form-urlencoded",
request: V4SignerSuiteCaseRequest{
method: "POST",
host: "host.foo.com",
url: "/",
headers: []string{"Content-Type:application/x-www-form-urlencoded", "Date:Mon, 09 Sep 2011 23:36:00 GMT"},
body: "foo=bar",
},
canonicalRequest: "POST\n/\n\ncontent-type:application/x-www-form-urlencoded\ndate:Mon, 09 Sep 2011 23:36:00 GMT\nhost:host.foo.com\n\ncontent-type;date;host\n3ba8907e7a252327488df390ed517c45b96dead033600219bdca7107d1d3f88a",
stringToSign: "AWS4-HMAC-SHA256\n20110909T233600Z\n20110909/us-east-1/host/aws4_request\n4c5c6e4b52fb5fb947a8733982a8a5a61b14f04345cbfe6e739236c76dd48f74",
signature: "5a15b22cf462f047318703b92e6f4f38884e4a7ab7b1d6426ca46a8bd1c26cbc",
authorization: "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=content-type;date;host, Signature=5a15b22cf462f047318703b92e6f4f38884e4a7ab7b1d6426ca46a8bd1c26cbc",
},
)
}
func (s *V4SignerSuite) TestCases(c *check.C) {
signer := aws.NewV4Signer(s.auth, "host", s.region)
for _, testCase := range s.cases {
req, err := http.NewRequest(testCase.request.method, "http://"+testCase.request.host+testCase.request.url, strings.NewReader(testCase.request.body))
c.Assert(err, check.IsNil, check.Commentf("Testcase: %s", testCase.label))
for _, v := range testCase.request.headers {
h := strings.SplitN(v, ":", 2)
req.Header.Add(h[0], h[1])
}
req.Header.Set("host", req.Host)
t := signer.RequestTime(req)
canonicalRequest := signer.CanonicalRequest(req)
c.Check(canonicalRequest, check.Equals, testCase.canonicalRequest, check.Commentf("Testcase: %s", testCase.label))
stringToSign := signer.StringToSign(t, canonicalRequest)
c.Check(stringToSign, check.Equals, testCase.stringToSign, check.Commentf("Testcase: %s", testCase.label))
signature := signer.Signature(t, stringToSign)
c.Check(signature, check.Equals, testCase.signature, check.Commentf("Testcase: %s", testCase.label))
authorization := signer.Authorization(req.Header, t, signature)
c.Check(authorization, check.Equals, testCase.authorization, check.Commentf("Testcase: %s", testCase.label))
signer.Sign(req)
c.Check(req.Header.Get("Authorization"), check.Equals, testCase.authorization, check.Commentf("Testcase: %s", testCase.label))
}
}
func ExampleV4Signer() {
// Get auth from env vars
auth, err := aws.EnvAuth()
if err != nil {
fmt.Println(err)
}
// Create a signer with the auth, name of the service, and aws region
signer := aws.NewV4Signer(auth, "dynamodb", aws.USEast)
// Create a request
req, err := http.NewRequest("POST", aws.USEast.DynamoDBEndpoint, strings.NewReader("sample_request"))
if err != nil {
fmt.Println(err)
}
// Date or x-amz-date header is required to sign a request
req.Header.Add("Date", time.Now().UTC().Format(http.TimeFormat))
// Sign the request
signer.Sign(req)
// Issue signed request
http.DefaultClient.Do(req)
}

143
Godeps/_workspace/src/github.com/crowdmob/goamz/cloudfront/cloudfront.go generated vendored Normal file
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@ -0,0 +1,143 @@
package cloudfront
import (
"crypto"
"crypto/rsa"
"crypto/sha1"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/crowdmob/goamz/aws"
"net/url"
"strconv"
"strings"
"time"
)
type CloudFront struct {
BaseURL string
keyPairId string
key *rsa.PrivateKey
}
var base64Replacer = strings.NewReplacer("=", "_", "+", "-", "/", "~")
func NewKeyLess(auth aws.Auth, baseurl string) *CloudFront {
return &CloudFront{keyPairId: auth.AccessKey, BaseURL: baseurl}
}
func New(baseurl string, key *rsa.PrivateKey, keyPairId string) *CloudFront {
return &CloudFront{
BaseURL: baseurl,
keyPairId: keyPairId,
key: key,
}
}
type epochTime struct {
EpochTime int64 `json:"AWS:EpochTime"`
}
type condition struct {
DateLessThan epochTime
}
type statement struct {
Resource string
Condition condition
}
type policy struct {
Statement []statement
}
func buildPolicy(resource string, expireTime time.Time) ([]byte, error) {
p := &policy{
Statement: []statement{
statement{
Resource: resource,
Condition: condition{
DateLessThan: epochTime{
EpochTime: expireTime.Truncate(time.Millisecond).Unix(),
},
},
},
},
}
return json.Marshal(p)
}
func (cf *CloudFront) generateSignature(policy []byte) (string, error) {
hash := sha1.New()
_, err := hash.Write(policy)
if err != nil {
return "", err
}
hashed := hash.Sum(nil)
var signed []byte
if cf.key.Validate() == nil {
signed, err = rsa.SignPKCS1v15(nil, cf.key, crypto.SHA1, hashed)
if err != nil {
return "", err
}
} else {
signed = hashed
}
encoded := base64Replacer.Replace(base64.StdEncoding.EncodeToString(signed))
return encoded, nil
}
// Creates a signed url using RSAwithSHA1 as specified by
// http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-creating-signed-url-canned-policy.html#private-content-canned-policy-creating-signature
func (cf *CloudFront) CannedSignedURL(path, queryString string, expires time.Time) (string, error) {
resource := cf.BaseURL + path
if queryString != "" {
resource = path + "?" + queryString
}
policy, err := buildPolicy(resource, expires)
if err != nil {
return "", err
}
signature, err := cf.generateSignature(policy)
if err != nil {
return "", err
}
// TOOD: Do this once
uri, err := url.Parse(cf.BaseURL)
if err != nil {
return "", err
}
uri.RawQuery = queryString
if queryString != "" {
uri.RawQuery += "&"
}
expireTime := expires.Truncate(time.Millisecond).Unix()
uri.Path = path
uri.RawQuery += fmt.Sprintf("Expires=%d&Signature=%s&Key-Pair-Id=%s", expireTime, signature, cf.keyPairId)
return uri.String(), nil
}
func (cloudfront *CloudFront) SignedURL(path, querystrings string, expires time.Time) string {
policy := `{"Statement":[{"Resource":"` + path + "?" + querystrings + `,"Condition":{"DateLessThan":{"AWS:EpochTime":` + strconv.FormatInt(expires.Truncate(time.Millisecond).Unix(), 10) + `}}}]}`
hash := sha1.New()
hash.Write([]byte(policy))
b := hash.Sum(nil)
he := base64.StdEncoding.EncodeToString(b)
policySha1 := he
url := cloudfront.BaseURL + path + "?" + querystrings + "&Expires=" + strconv.FormatInt(expires.Unix(), 10) + "&Signature=" + policySha1 + "&Key-Pair-Id=" + cloudfront.keyPairId
return url
}

52
Godeps/_workspace/src/github.com/crowdmob/goamz/cloudfront/cloudfront_test.go generated vendored Normal file
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@ -0,0 +1,52 @@
package cloudfront
import (
"crypto/x509"
"encoding/pem"
"io/ioutil"
"net/url"
"testing"
"time"
)
func TestSignedCannedURL(t *testing.T) {
rawKey, err := ioutil.ReadFile("testdata/key.pem")
if err != nil {
t.Fatal(err)
}
pemKey, _ := pem.Decode(rawKey)
privateKey, err := x509.ParsePKCS1PrivateKey(pemKey.Bytes)
if err != nil {
t.Fatal(err)
}
cf := &CloudFront{
key: privateKey,
keyPairId: "test-key-pair-1231245",
BaseURL: "https://cloudfront.com",
}
expireTime, err := time.Parse(time.RFC3339, "2014-03-28T14:00:21Z")
if err != nil {
t.Fatal(err)
}
query := make(url.Values)
query.Add("test", "value")
uri, err := cf.CannedSignedURL("test", "test=value", expireTime)
if err != nil {
t.Fatal(err)
}
parsed, err := url.Parse(uri)
if err != nil {
t.Fatal(err)
}
signature := parsed.Query().Get("Signature")
if signature == "" {
t.Fatal("Encoded signature is empty")
}
}

15
Godeps/_workspace/src/github.com/crowdmob/goamz/cloudfront/testdata/key.pem generated vendored Normal file
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@ -0,0 +1,15 @@
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

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