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Properly set status 'missing' for missing binaries and/or env files

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When we try to start a service/run/task we call whichp() to see if the
binary exists, either tha absolute path given in the .conf file, or in
the $PATH we run with.  If binary, or the env: file, doesn't exist we
now set svc_missing() state.

On `initctl reload` we unblock the service to be able to check again.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg committed 2021-03-11 11:44:23 +01:00
1 parent 2711b27971
commit 11a3318c02
3 files changed
+19 -5
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src/service.c
+11 -2
View File
@@ -407,14 +407,15 @@ static int service_start(svc_t *svc)
/* Don't try and start service if it doesn't exist. */
if (!whichp(svc->cmd)) {
print(1, "%s: does not exist", svc->cmd);
logit(LOG_WARNING, "%s: missing or not in $PATH", svc->cmd);
svc_missing(svc);
return 1;
}
/* Unlike systemd we do not allow starting service if env is missing, unless - */
if (!check_env(svc)) {
print(1, "%s: environment file %s does not exist (yet)", svc->cmd, svc->env);
logit(LOG_WARNING, "%s: missing env file %s", svc->cmd, svc->env);
svc_missing(svc);
return 1;
}
@@ -1127,6 +1128,9 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
if (type == SVC_TYPE_SERVICE && manual)
svc_stop(svc);
} else {
/* e.g., if missing cmd or env before */
svc_unblock(svc);
}
/* Always clear svc PID file, for now. See TODO */
@@ -1229,6 +1233,7 @@ void service_monitor(pid_t lost, int status)
if (svc_is_daemon(svc)) {
service_cleanup(svc);
} else if (svc_is_runtask(svc)) {
/* run/task should run at least once per runlevel */
if (WIFEXITED(status) && !WEXITSTATUS(status))
svc->started = 1;
else
@@ -1400,6 +1405,10 @@ restart:
err = service_start(svc);
if (err) {
if (svc_is_missing(svc)) {
svc_set_state(svc, SVC_HALTED_STATE);
break;
}
(*restart_cnt)++;
break;
}