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service: add FailureAction= option

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It has the same possible values as StartLimitAction= and is executed
immediately if a service fails.
This commit is contained in:
Michael Olbrich
2014-04-24 20:11:20 +02:00
committed by Lennart Poettering
parent 209b031e4f
commit 93ae25e6fd
5 changed files with 40 additions and 14 deletions
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man/systemd.service.xml
+11
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@@ -1030,6 +1030,17 @@ ExecStart=/bin/echo $ONE $TWO ${TWO}</programlisting>
command.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>FailureAction=</varname></term>
<listitem><para>Configure the action
to take when the service enters a failed
state. Takes the same values as
<varname>StartLimitAction=</varname>
and executes the same actions.
Defaults to <option>none</option>.
</para></listitem>
</varlistentry>
</variablelist>
<para>Check
src/core/dbus-service.c
+1
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@@ -51,6 +51,7 @@ const sd_bus_vtable bus_service_vtable[] = {
SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("StartLimitAction", "s", property_get_start_limit_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Service, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("FailureAction", "s", property_get_start_limit_action, offsetof(Service, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST),
src/core/load-fragment-gperf.gperf.m4
+1
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@@ -181,6 +181,7 @@ Service.StartLimitInterval, config_parse_sec, 0,
Service.StartLimitBurst, config_parse_unsigned, 0, offsetof(Service, start_limit.burst)
Service.StartLimitAction, config_parse_start_limit_action, 0, offsetof(Service, start_limit_action)
Service.RebootArgument, config_parse_string, 0, offsetof(Service, reboot_arg)
Service.FailureAction, config_parse_start_limit_action, 0, offsetof(Service, failure_action)
Service.Type, config_parse_service_type, 0, offsetof(Service, type)
Service.Restart, config_parse_service_restart, 0, offsetof(Service, restart)
Service.PermissionsStartOnly, config_parse_bool, 0, offsetof(Service, permissions_start_only)
src/core/service.c
+25 -14
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@@ -1840,6 +1840,8 @@ static int cgroup_good(Service *s) {
return !r;
}
static int service_execute_action(Service *s, StartLimitAction action, const char *reason, bool log_action_none);
static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
int r;
assert(s);
@@ -1849,6 +1851,9 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
if (s->result != SERVICE_SUCCESS)
service_execute_action(s, s->failure_action, "failed", false);
if (allow_restart &&
!s->forbid_restart &&
(s->restart == SERVICE_RESTART_ALWAYS ||
@@ -2371,22 +2376,19 @@ fail:
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
static int service_start_limit_test(Service *s) {
static int service_execute_action(Service *s, StartLimitAction action, const char *reason, bool log_action_none) {
assert(s);
if (ratelimit_test(&s->start_limit))
return 0;
if (s->start_limit_action == SERVICE_START_LIMIT_REBOOT ||
s->start_limit_action == SERVICE_START_LIMIT_REBOOT_FORCE)
if (action == SERVICE_START_LIMIT_REBOOT ||
action == SERVICE_START_LIMIT_REBOOT_FORCE)
update_reboot_param_file(s->reboot_arg);
switch (s->start_limit_action) {
switch (action) {
case SERVICE_START_LIMIT_NONE:
log_warning_unit(UNIT(s)->id,
"%s start request repeated too quickly, refusing to start.",
UNIT(s)->id);
if (log_action_none)
log_warning_unit(UNIT(s)->id,
"%s %s, refusing to start.", UNIT(s)->id, reason);
break;
case SERVICE_START_LIMIT_REBOOT: {
@@ -2394,7 +2396,7 @@ static int service_start_limit_test(Service *s) {
int r;
log_warning_unit(UNIT(s)->id,
"%s start request repeated too quickly, rebooting.", UNIT(s)->id);
"%s %s, rebooting.", UNIT(s)->id, reason);
r = manager_add_job_by_name(UNIT(s)->manager, JOB_START,
SPECIAL_REBOOT_TARGET, JOB_REPLACE,
@@ -2408,13 +2410,13 @@ static int service_start_limit_test(Service *s) {
case SERVICE_START_LIMIT_REBOOT_FORCE:
log_warning_unit(UNIT(s)->id,
"%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id);
"%s %s, forcibly rebooting.", UNIT(s)->id, reason);
UNIT(s)->manager->exit_code = MANAGER_REBOOT;
break;
case SERVICE_START_LIMIT_REBOOT_IMMEDIATE:
log_warning_unit(UNIT(s)->id,
"%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id);
"%s %s, rebooting immediately.", UNIT(s)->id, reason);
sync();
if (s->reboot_arg) {
log_info("Rebooting with argument '%s'.", s->reboot_arg);
@@ -2428,13 +2430,22 @@ static int service_start_limit_test(Service *s) {
default:
log_error_unit(UNIT(s)->id,
"start limit action=%i", s->start_limit_action);
"start limit action=%i", action);
assert_not_reached("Unknown StartLimitAction.");
}
return -ECANCELED;
}
static int service_start_limit_test(Service *s) {
assert(s);
if (ratelimit_test(&s->start_limit))
return 0;
return service_execute_action(s, s->start_limit_action, "start request repeated too quickly", true);
}
static int service_start(Unit *u) {
Service *s = SERVICE(u);
int r;
src/core/service.h
+2
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@@ -187,6 +187,8 @@ struct Service {
char *status_text;
StartLimitAction failure_action;
RateLimit start_limit;
StartLimitAction start_limit_action;
char *reboot_arg;