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systemd/0001-core-replace-OnFailureIsolate-setting-by-a-more-gene.patch

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From d420282b28f50720e233ccb1c02547c562195653 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 26 Nov 2013 01:39:53 +0100
Subject: [PATCH] core: replace OnFailureIsolate= setting by a more generic
OnFailureJobMode= setting and make use of it where applicable
---
man/systemd.unit.xml | 40 +++++++++++++++++++++++++----------
src/core/dbus-unit.c | 3 ++-
src/core/job.h | 3 +--
src/core/load-fragment-gperf.gperf.m4 | 3 ++-
src/core/load-fragment.c | 31 +++++++++++++++++++++++++++
src/core/load-fragment.h | 2 ++
src/core/unit.c | 11 +++++-----
src/core/unit.h | 4 ++--
units/initrd-cleanup.service.in | 1 +
units/initrd-fs.target | 2 +-
units/initrd-parse-etc.service.in | 1 +
units/initrd-root-fs.target | 2 +-
units/initrd-switch-root.service.in | 1 +
units/initrd.target | 2 +-
units/local-fs.target | 2 +-
15 files changed, 82 insertions(+), 26 deletions(-)
Index: systemd-208/man/systemd.unit.xml
===================================================================
--- systemd-208.orig/man/systemd.unit.xml
+++ systemd-208/man/systemd.unit.xml
@@ -669,19 +669,37 @@
</varlistentry>
<varlistentry>
- <term><varname>OnFailureIsolate=</varname></term>
+ <term><varname>OnFailureJobMode=</varname></term>
- <listitem><para>Takes a boolean
- argument. If <option>true</option>, the
- unit listed in
+ <listitem><para>Takes a value of
+ <literal>fail</literal>,
+ <literal>replace</literal>,
+ <literal>replace-irreversibly</literal>
+ or
+ <literal>isolate</literal>. Defaults
+ to
+ <literal>replace</literal>. Specifies
+ how the units listed in
<varname>OnFailure=</varname> will be
- enqueued in isolation mode, i.e. all
- units that are not its dependency will
- be stopped. If this is set, only a
+ enqueued. If set to
+ <literal>fail</literal> and
+ contradicting jobs are already queued,
+ cause the activation to fail. If set
+ to <literal>replace</literal> and
+ contradicting jobs area already
+ queued, replace
+ those. <literal>replace-irreversibly</literal>
+ is similar to
+ <literal>replace</literal>, however,
+ creates jobs that cannot be reversed
+ unless they finished or are explicitly
+ canceled. <literal>isolate</literal>
+ may be used to terminate all other
+ units but the specified one. If
+ this is set to
+ <literal>isolate</literal>, only a
single unit may be listed in
- <varname>OnFailure=</varname>. Defaults
- to
- <option>false</option>.</para></listitem>
+ <varname>OnFailure=</varname>..</para></listitem>
</varlistentry>
<varlistentry>
Index: systemd-208/src/core/dbus-unit.c
===================================================================
--- systemd-208.orig/src/core/dbus-unit.c
+++ systemd-208/src/core/dbus-unit.c
@@ -133,6 +133,7 @@ static int bus_unit_append_description(D
}
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_unit_append_load_state, unit_load_state, UnitLoadState);
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_unit_append_job_mode, job_mode, JobMode);
static int bus_unit_append_active_state(DBusMessageIter *i, const char *property, void *data) {
Unit *u = data;
@@ -1079,7 +1080,7 @@ const BusProperty bus_unit_properties[]
{ "RefuseManualStop", bus_property_append_bool, "b", offsetof(Unit, refuse_manual_stop) },
{ "AllowIsolate", bus_property_append_bool, "b", offsetof(Unit, allow_isolate) },
{ "DefaultDependencies", bus_property_append_bool, "b", offsetof(Unit, default_dependencies) },
- { "OnFailureIsolate", bus_property_append_bool, "b", offsetof(Unit, on_failure_isolate) },
+ { "OnFailureJobMode", bus_unit_append_job_mode, "s", offsetof(Unit, on_failure_job_mode) },
{ "IgnoreOnIsolate", bus_property_append_bool, "b", offsetof(Unit, ignore_on_isolate) },
{ "IgnoreOnSnapshot", bus_property_append_bool, "b", offsetof(Unit, ignore_on_snapshot) },
{ "NeedDaemonReload", bus_unit_append_need_daemon_reload, "b", 0 },
Index: systemd-208/src/core/job.h
===================================================================
--- systemd-208.orig/src/core/job.h
+++ systemd-208/src/core/job.h
@@ -83,7 +83,7 @@ enum JobState {
enum JobMode {
JOB_FAIL, /* Fail if a conflicting job is already queued */
JOB_REPLACE, /* Replace an existing conflicting job */
- JOB_REPLACE_IRREVERSIBLY, /* Like JOB_REPLACE + produce irreversible jobs */
+ JOB_REPLACE_IRREVERSIBLY,/* Like JOB_REPLACE + produce irreversible jobs */
JOB_ISOLATE, /* Start a unit, and stop all others */
JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */
JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */
Index: systemd-208/src/core/load-fragment-gperf.gperf.m4
===================================================================
--- systemd-208.orig/src/core/load-fragment-gperf.gperf.m4
+++ systemd-208/src/core/load-fragment-gperf.gperf.m4
@@ -122,7 +122,8 @@ Unit.RefuseManualStart, config_
Unit.RefuseManualStop, config_parse_bool, 0, offsetof(Unit, refuse_manual_stop)
Unit.AllowIsolate, config_parse_bool, 0, offsetof(Unit, allow_isolate)
Unit.DefaultDependencies, config_parse_bool, 0, offsetof(Unit, default_dependencies)
-Unit.OnFailureIsolate, config_parse_bool, 0, offsetof(Unit, on_failure_isolate)
+Unit.OnFailureJobMode, config_parse_job_mode, 0, offsetof(Unit, on_failure_job_mode)
+Unit.OnFailureIsolate, config_parse_job_mode_isolate, 0, offsetof(Unit, on_failure_job_mode)
Unit.IgnoreOnIsolate, config_parse_bool, 0, offsetof(Unit, ignore_on_isolate)
Unit.IgnoreOnSnapshot, config_parse_bool, 0, offsetof(Unit, ignore_on_snapshot)
Unit.JobTimeoutSec, config_parse_sec, 0, offsetof(Unit, job_timeout)
Index: systemd-208/src/core/load-fragment.c
===================================================================
--- systemd-208.orig/src/core/load-fragment.c
+++ systemd-208/src/core/load-fragment.c
@@ -2314,6 +2314,36 @@ int config_parse_blockio_bandwidth(
return 0;
}
+DEFINE_CONFIG_PARSE_ENUM(config_parse_job_mode, job_mode, JobMode, "Failed to parse job mode");
+
+int config_parse_job_mode_isolate(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ JobMode *m = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = parse_boolean(rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse boolean, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *m = r ? JOB_ISOLATE : JOB_REPLACE;
+ return 0;
+}
+
#define FOLLOW_MAX 8
static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
Index: systemd-208/src/core/load-fragment.h
===================================================================
--- systemd-208.orig/src/core/load-fragment.h
+++ systemd-208/src/core/load-fragment.h
@@ -83,6 +83,8 @@ int config_parse_device_allow(const char
int config_parse_blockio_weight(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_blockio_device_weight(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_blockio_bandwidth(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_job_mode(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_job_mode_isolate(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
/* gperf prototypes */
const struct ConfigPerfItem* load_fragment_gperf_lookup(const char *key, unsigned length);
Index: systemd-208/src/core/unit.c
===================================================================
--- systemd-208.orig/src/core/unit.c
+++ systemd-208/src/core/unit.c
@@ -85,6 +85,7 @@ Unit *unit_new(Manager *m, size_t size)
u->deserialized_job = _JOB_TYPE_INVALID;
u->default_dependencies = true;
u->unit_file_state = _UNIT_FILE_STATE_INVALID;
+ u->on_failure_job_mode = JOB_REPLACE;
return u;
}
@@ -807,14 +808,14 @@ void unit_dump(Unit *u, FILE *f, const c
"%s\tRefuseManualStart: %s\n"
"%s\tRefuseManualStop: %s\n"
"%s\tDefaultDependencies: %s\n"
- "%s\tOnFailureIsolate: %s\n"
+ "%s\tOnFailureJobMode: %s\n"
"%s\tIgnoreOnIsolate: %s\n"
"%s\tIgnoreOnSnapshot: %s\n",
prefix, yes_no(u->stop_when_unneeded),
prefix, yes_no(u->refuse_manual_start),
prefix, yes_no(u->refuse_manual_stop),
prefix, yes_no(u->default_dependencies),
- prefix, yes_no(u->on_failure_isolate),
+ prefix, job_mode_to_string(u->on_failure_job_mode),
prefix, yes_no(u->ignore_on_isolate),
prefix, yes_no(u->ignore_on_snapshot));
@@ -985,11 +986,11 @@ int unit_load(Unit *u) {
if (r < 0)
goto fail;
- if (u->on_failure_isolate &&
+ if (u->on_failure_job_mode == JOB_ISOLATE &&
set_size(u->dependencies[UNIT_ON_FAILURE]) > 1) {
log_error_unit(u->id,
- "More than one OnFailure= dependencies specified for %s but OnFailureIsolate= enabled. Refusing.", u->id);
+ "More than one OnFailure= dependencies specified for %s but OnFailureJobMode=isolate set. Refusing.", u->id);
r = -EINVAL;
goto fail;
@@ -1394,7 +1395,7 @@ void unit_start_on_failure(Unit *u) {
SET_FOREACH(other, u->dependencies[UNIT_ON_FAILURE], i) {
int r;
- r = manager_add_job(u->manager, JOB_START, other, u->on_failure_isolate ? JOB_ISOLATE : JOB_REPLACE, true, NULL, NULL);
+ r = manager_add_job(u->manager, JOB_START, other, u->on_failure_job_mode, true, NULL, NULL);
if (r < 0)
log_error_unit(u->id, "Failed to enqueue OnFailure= job: %s", strerror(-r));
}
Index: systemd-208/src/core/unit.h
===================================================================
--- systemd-208.orig/src/core/unit.h
+++ systemd-208/src/core/unit.h
@@ -228,8 +228,8 @@ struct Unit {
/* Allow isolation requests */
bool allow_isolate;
- /* Isolate OnFailure unit */
- bool on_failure_isolate;
+ /* How to start OnFailure units */
+ JobMode on_failure_job_mode;
/* Ignore this unit when isolating */
bool ignore_on_isolate;
Index: systemd-208/units/initrd-cleanup.service.in
===================================================================
--- systemd-208.orig/units/initrd-cleanup.service.in
+++ systemd-208/units/initrd-cleanup.service.in
@@ -10,6 +10,7 @@ Description=Cleaning Up and Shutting Dow
DefaultDependencies=no
ConditionPathExists=/etc/initrd-release
OnFailure=emergency.target
+OnFailureJobMode=replace-irreversibly
After=initrd-root-fs.target initrd-fs.target initrd.target
[Service]
Index: systemd-208/units/initrd-fs.target
===================================================================
--- systemd-208.orig/units/initrd-fs.target
+++ systemd-208/units/initrd-fs.target
@@ -9,7 +9,7 @@
Description=Initrd File Systems
Documentation=man:systemd.special(7)
OnFailure=emergency.target
-OnFailureIsolate=yes
+OnFailureJobMode=replace-irreversibly
ConditionPathExists=/etc/initrd-release
After=initrd-parse-etc.service
DefaultDependencies=no
Index: systemd-208/units/initrd-parse-etc.service.in
===================================================================
--- systemd-208.orig/units/initrd-parse-etc.service.in
+++ systemd-208/units/initrd-parse-etc.service.in
@@ -11,6 +11,7 @@ DefaultDependencies=no
Requires=initrd-root-fs.target
After=initrd-root-fs.target
OnFailure=emergency.target
+OnFailureJobMode=replace-irreversibly
ConditionPathExists=/etc/initrd-release
[Service]
Index: systemd-208/units/initrd-root-fs.target
===================================================================
--- systemd-208.orig/units/initrd-root-fs.target
+++ systemd-208/units/initrd-root-fs.target
@@ -10,6 +10,6 @@ Description=Initrd Root File System
Documentation=man:systemd.special(7)
ConditionPathExists=/etc/initrd-release
OnFailure=emergency.target
-OnFailureIsolate=yes
+OnFailureJobMode=replace-irreversibly
DefaultDependencies=no
Conflicts=shutdown.target
Index: systemd-208/units/initrd-switch-root.service.in
===================================================================
--- systemd-208.orig/units/initrd-switch-root.service.in
+++ systemd-208/units/initrd-switch-root.service.in
@@ -10,6 +10,7 @@ Description=Switch Root
DefaultDependencies=no
ConditionPathExists=/etc/initrd-release
OnFailure=emergency.target
+OnFailureJobMode=replace-irreversibly
AllowIsolate=yes
[Service]
Index: systemd-208/units/initrd.target
===================================================================
--- systemd-208.orig/units/initrd.target
+++ systemd-208/units/initrd.target
@@ -9,7 +9,7 @@
Description=Initrd Default Target
Documentation=man:systemd.special(7)
OnFailure=emergency.target
-OnFailureIsolate=yes
+OnFailureJobMode=replace-irreversibly
ConditionPathExists=/etc/initrd-release
Requires=basic.target
Wants=initrd-root-fs.target initrd-fs.target initrd-parse-etc.service
Index: systemd-208/units/local-fs.target
===================================================================
--- systemd-208.orig/units/local-fs.target
+++ systemd-208/units/local-fs.target
@@ -12,4 +12,4 @@ After=local-fs-pre.target
DefaultDependencies=no
Conflicts=shutdown.target
OnFailure=emergency.target
-OnFailureIsolate=no
+OnFailureJobMode=replace-irreversibly
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