d0abfe0b92
We've added support to the registry command to report the current version of the distribution package. The version package is generated with a shell script that gets the latest tag and add "+unknown". This allows builds from "go get" and "go install" to have a rough version number. Generated periodically, it will provide a decent indication of what code built the binary. For more accurate versioning, one can build with the "binaries" make target. Linker flags are used to replace the version string with the actual current tag at build time. Signed-off-by: Stephen J Day <stephen.day@docker.com>
143 lines
3.4 KiB
Go
143 lines
3.4 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"net/http"
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_ "net/http/pprof"
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"os"
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log "github.com/Sirupsen/logrus"
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"github.com/bugsnag/bugsnag-go"
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"github.com/gorilla/handlers"
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"github.com/yvasiyarov/gorelic"
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_ "github.com/docker/distribution/auth/silly"
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_ "github.com/docker/distribution/auth/token"
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"github.com/docker/distribution/configuration"
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"github.com/docker/distribution/registry"
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_ "github.com/docker/distribution/storagedriver/filesystem"
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_ "github.com/docker/distribution/storagedriver/inmemory"
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_ "github.com/docker/distribution/storagedriver/s3"
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"github.com/docker/distribution/version"
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)
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var showVersion bool
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func init() {
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flag.BoolVar(&showVersion, "version", false, "show the version and exit")
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}
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func main() {
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flag.Usage = usage
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flag.Parse()
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if showVersion {
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printVersion(os.Stdout)
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return
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}
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config, err := resolveConfiguration()
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if err != nil {
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fatalf("configuration error: %v", err)
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}
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app := registry.NewApp(*config)
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handler := configureReporting(app)
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handler = handlers.CombinedLoggingHandler(os.Stdout, handler)
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log.SetLevel(logLevel(config.Loglevel))
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log.Infof("listening on %v", config.HTTP.Addr)
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if err := http.ListenAndServe(config.HTTP.Addr, handler); err != nil {
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log.Fatalln(err)
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}
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}
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func usage() {
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fmt.Fprintln(os.Stderr, "usage:", os.Args[0], "<config>")
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flag.PrintDefaults()
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}
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func printVersion(w io.Writer) {
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fmt.Fprintln(w, os.Args[0], version.Package, version.Version)
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}
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func fatalf(format string, args ...interface{}) {
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fmt.Fprintf(os.Stderr, format+"\n", args...)
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usage()
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os.Exit(1)
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}
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func resolveConfiguration() (*configuration.Configuration, error) {
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var configurationPath string
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if flag.NArg() > 0 {
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configurationPath = flag.Arg(0)
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} else if os.Getenv("REGISTRY_CONFIGURATION_PATH") != "" {
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configurationPath = os.Getenv("REGISTRY_CONFIGURATION_PATH")
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}
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if configurationPath == "" {
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return nil, fmt.Errorf("configuration path unspecified")
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}
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fp, err := os.Open(configurationPath)
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if err != nil {
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return nil, err
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}
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config, err := configuration.Parse(fp)
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if err != nil {
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return nil, fmt.Errorf("error parsing %s: %v", configurationPath, err)
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}
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return config, nil
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}
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func logLevel(level configuration.Loglevel) log.Level {
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l, err := log.ParseLevel(string(level))
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if err != nil {
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log.Warnf("error parsing level %q: %v", level, err)
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l = log.InfoLevel
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}
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return l
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}
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func configureReporting(app *registry.App) http.Handler {
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var handler http.Handler = app
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if app.Config.Reporting.Bugsnag.APIKey != "" {
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bugsnagConfig := bugsnag.Configuration{
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APIKey: app.Config.Reporting.Bugsnag.APIKey,
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// TODO(brianbland): provide the registry version here
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// AppVersion: "2.0",
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}
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if app.Config.Reporting.Bugsnag.ReleaseStage != "" {
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bugsnagConfig.ReleaseStage = app.Config.Reporting.Bugsnag.ReleaseStage
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}
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if app.Config.Reporting.Bugsnag.Endpoint != "" {
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bugsnagConfig.Endpoint = app.Config.Reporting.Bugsnag.Endpoint
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}
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bugsnag.Configure(bugsnagConfig)
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handler = bugsnag.Handler(handler)
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}
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if app.Config.Reporting.NewRelic.LicenseKey != "" {
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agent := gorelic.NewAgent()
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agent.NewrelicLicense = app.Config.Reporting.NewRelic.LicenseKey
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if app.Config.Reporting.NewRelic.Name != "" {
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agent.NewrelicName = app.Config.Reporting.NewRelic.Name
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}
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agent.CollectHTTPStat = true
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agent.Verbose = true
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agent.Run()
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handler = agent.WrapHTTPHandler(handler)
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}
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return handler
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}
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