INSTANCE_ATTR_TRACE,
INSTANCE_ATTR_SECCOMP,
INSTANCE_ATTR_PIDFILE,
+ INSTANCE_ATTR_RELOADSIG,
+ INSTANCE_ATTR_TERMTIMEOUT,
__INSTANCE_ATTR_MAX
};
[INSTANCE_ATTR_TRACE] = { "trace", BLOBMSG_TYPE_BOOL },
[INSTANCE_ATTR_SECCOMP] = { "seccomp", BLOBMSG_TYPE_STRING },
[INSTANCE_ATTR_PIDFILE] = { "pidfile", BLOBMSG_TYPE_STRING },
+ [INSTANCE_ATTR_RELOADSIG] = { "reload_signal", BLOBMSG_TYPE_INT32 },
+ [INSTANCE_ATTR_TERMTIMEOUT] = { "term_timeout", BLOBMSG_TYPE_INT32 },
};
enum {
{ NULL, 0 }
};
-static char trace[] = "/sbin/utrace";
-
static void closefd(int fd)
{
if (fd > STDERR_FILENO)
if (!in->pidfile)
return 0;
if (unlink(in->pidfile)) {
- ERROR("Failed to removed pidfile: %s: %d - %s\n",
- in->pidfile, errno, strerror(errno));
+ ERROR("Failed to removed pidfile: %s: %m\n", in->pidfile);
return 1;
}
return 0;
}
_pidfile = fopen(in->pidfile, "w");
if (_pidfile == NULL) {
- ERROR("failed to open pidfile for writing: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to open pidfile for writing: %s: %m", in->pidfile);
return 1;
}
if (fprintf(_pidfile, "%d\n", in->proc.pid) < 0) {
- ERROR("failed to write pidfile: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to write pidfile: %s: %m", in->pidfile);
+ fclose(_pidfile);
return 2;
}
if (fclose(_pidfile)) {
- ERROR("failed to close pidfile: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to close pidfile: %s: %m", in->pidfile);
return 3;
}
struct blobmsg_list_node *var;
struct blob_attr *cur;
char **argv;
- char *ld_preload;
int argc = 1; /* NULL terminated */
int rem, _stdin;
bool seccomp = !in->trace && !in->has_jail && in->seccomp;
if (seccomp)
setenv("SECCOMP_FILE", in->seccomp, 1);
- if ((seccomp || setlbf) && asprintf(&ld_preload, "LD_PRELOAD=%s%s%s",
- seccomp ? "/lib/libpreload-seccomp.so" : "",
- seccomp && setlbf ? ":" : "",
- setlbf ? "/lib/libsetlbf.so" : "") > 0)
- putenv(ld_preload);
+ if (setlbf)
+ setenv("LD_PRELOAD", "/lib/libsetlbf.so", 1);
blobmsg_list_for_each(&in->limits, var)
instance_limits(blobmsg_name(var->data), blobmsg_data(var->data));
- if (in->trace)
+ if (in->trace || seccomp)
argc += 1;
argv = alloca(sizeof(char *) * (argc + in->jail.argc));
argc = 0;
+#ifdef SECCOMP_SUPPORT
if (in->trace)
- argv[argc++] = trace;
+ argv[argc++] = "/sbin/utrace";
+ else if (seccomp)
+ argv[argc++] = "/sbin/seccomp-trace";
+#else
+ if (in->trace || seccomp)
+ ULOG_WARN("Seccomp support for %s::%s not available\n", in->srv->name, in->name);
+#endif
if (in->has_jail)
argc = jail_run(in, argv);
}
if (in->gid && setgid(in->gid)) {
- ERROR("failed to set group id %d: %d (%s)\n", in->gid, errno, strerror(errno));
+ ERROR("failed to set group id %d: %m\n", in->gid);
exit(127);
}
if (in->uid && setuid(in->uid)) {
- ERROR("failed to set user id %d: %d (%s)\n", in->uid, errno, strerror(errno));
+ ERROR("failed to set user id %d: %m\n", in->uid);
exit(127);
}
return;
}
- if (in->proc.pending)
+ if (!in->command) {
+ LOG("Not starting instance %s::%s, command not set\n", in->srv->name, in->name);
return;
+ }
+
+ if (in->proc.pending) {
+ if (in->halt)
+ in->restart = true;
+ return;
+ }
instance_free_stdio(in);
if (in->_stdout.fd.fd > -2) {
if (pipe(opipe)) {
- ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
+ ULOG_WARN("pipe() failed: %m\n");
opipe[0] = opipe[1] = -1;
}
}
if (in->_stderr.fd.fd > -2) {
if (pipe(epipe)) {
- ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
+ ULOG_WARN("pipe() failed: %m\n");
epipe[0] = epipe[1] = -1;
}
}
in->restart = false;
- in->halt = !in->respawn;
+ in->halt = false;
if (!in->valid)
return;
if (opipe[0] > -1) {
ustream_fd_init(&in->_stdout, opipe[0]);
closefd(opipe[1]);
+ fcntl(opipe[0], F_SETFD, FD_CLOEXEC);
}
if (epipe[0] > -1) {
ustream_fd_init(&in->_stderr, epipe[0]);
closefd(epipe[1]);
+ fcntl(epipe[0], F_SETFD, FD_CLOEXEC);
}
service_event("instance.start", in->srv->name, in->name);
in = container_of(t, struct service_instance, timeout);
- if (!in->halt && (in->restart || in->respawn))
+ if (in->halt) {
+ LOG("Instance %s::%s pid %d not stopped on SIGTERM, sending SIGKILL instead\n",
+ in->srv->name, in->name, in->proc.pid);
+ kill(in->proc.pid, SIGKILL);
+ } else if (in->restart || in->respawn)
instance_start(in);
}
runtime = tp.tv_sec - in->start.tv_sec;
DEBUG(2, "Instance %s::%s exit with error code %d after %ld seconds\n", in->srv->name, in->name, ret, runtime);
- if (upgrade_running)
- return;
uloop_timeout_cancel(&in->timeout);
+ service_event("instance.stop", in->srv->name, in->name);
+
if (in->halt) {
instance_removepid(in);
+ if (in->restart)
+ instance_start(in);
+ else {
+ struct service *s = in->srv;
+
+ avl_delete(&s->instances.avl, &in->node.avl);
+ instance_free(in);
+ service_stopped(s);
+ }
} else if (in->restart) {
instance_start(in);
} else if (in->respawn) {
uloop_timeout_set(&in->timeout, in->respawn_timeout * 1000);
}
}
- service_event("instance.stop", in->srv->name, in->name);
}
void
-instance_stop(struct service_instance *in)
+instance_stop(struct service_instance *in, bool halt)
{
if (!in->proc.pending)
return;
- in->halt = true;
+ in->halt = halt;
in->restart = in->respawn = false;
kill(in->proc.pid, SIGTERM);
+ uloop_timeout_set(&in->timeout, in->term_timeout * 1000);
}
static void
{
if (!in->proc.pending)
return;
- in->halt = false;
+
+ if (in->reload_signal) {
+ kill(in->proc.pid, in->reload_signal);
+ return;
+ }
+
+ in->halt = true;
in->restart = true;
kill(in->proc.pid, SIGTERM);
- instance_removepid(in);
+ uloop_timeout_set(&in->timeout, in->term_timeout * 1000);
+}
+
+static bool string_changed(const char *a, const char *b)
+{
+ return !((!a && !b) || (a && b && !strcmp(a, b)));
}
static bool
if (!blobmsg_list_equal(&in->env, &in_new->env))
return true;
- if (!blobmsg_list_equal(&in->data, &in_new->data))
- return true;
-
if (!blobmsg_list_equal(&in->netdev, &in_new->netdev))
return true;
if (in->gid != in_new->gid)
return true;
- if (in->pidfile && in_new->pidfile)
- if (strcmp(in->pidfile, in_new->pidfile))
- return true;
-
- if (in->pidfile && !in_new->pidfile)
+ if (string_changed(in->pidfile, in_new->pidfile))
return true;
- if (!in->pidfile && in_new->pidfile)
+ if (in->respawn_retry != in_new->respawn_retry)
+ return true;
+ if (in->respawn_threshold != in_new->respawn_threshold)
+ return true;
+ if (in->respawn_timeout != in_new->respawn_timeout)
return true;
if (!blobmsg_list_equal(&in->limits, &in_new->limits))
}
static bool
-instance_config_parse(struct service_instance *in)
+instance_config_parse_command(struct service_instance *in, struct blob_attr **tb)
{
- struct blob_attr *tb[__INSTANCE_ATTR_MAX];
struct blob_attr *cur, *cur2;
- int argc = 0;
+ bool ret = false;
int rem;
- blobmsg_parse(instance_attr, __INSTANCE_ATTR_MAX, tb,
- blobmsg_data(in->config), blobmsg_data_len(in->config));
-
cur = tb[INSTANCE_ATTR_COMMAND];
- if (!cur)
- return false;
+ if (!cur) {
+ in->command = NULL;
+ return true;
+ }
if (!blobmsg_check_attr_list(cur, BLOBMSG_TYPE_STRING))
return false;
blobmsg_for_each_attr(cur2, cur, rem) {
- argc++;
+ ret = true;
break;
}
- if (!argc)
- return false;
in->command = cur;
+ return ret;
+}
+static bool
+instance_config_parse(struct service_instance *in)
+{
+ struct blob_attr *tb[__INSTANCE_ATTR_MAX];
+ struct blob_attr *cur, *cur2;
+ int rem;
+
+ blobmsg_parse(instance_attr, __INSTANCE_ATTR_MAX, tb,
+ blobmsg_data(in->config), blobmsg_data_len(in->config));
+
+ if (!instance_config_parse_command(in, tb))
+ return false;
+
+ if (tb[INSTANCE_ATTR_TERMTIMEOUT])
+ in->term_timeout = blobmsg_get_u32(tb[INSTANCE_ATTR_TERMTIMEOUT]);
if (tb[INSTANCE_ATTR_RESPAWN]) {
int i = 0;
uint32_t vals[3] = { 3600, 5, 5};
if (tb[INSTANCE_ATTR_NO_NEW_PRIVS])
in->no_new_privs = blobmsg_get_bool(tb[INSTANCE_ATTR_NO_NEW_PRIVS]);
- if (!in->trace && tb[INSTANCE_ATTR_SECCOMP]) {
- char *seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
- struct stat s;
-
- if (stat(seccomp, &s))
- ERROR("%s: not starting seccomp as %s is missing\n", in->name, seccomp);
- else
- in->seccomp = seccomp;
- }
+ if (!in->trace && tb[INSTANCE_ATTR_SECCOMP])
+ in->seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
if (tb[INSTANCE_ATTR_PIDFILE]) {
char *pidfile = blobmsg_get_string(tb[INSTANCE_ATTR_PIDFILE]);
in->pidfile = pidfile;
}
+ if (tb[INSTANCE_ATTR_RELOADSIG])
+ in->reload_signal = blobmsg_get_u32(tb[INSTANCE_ATTR_RELOADSIG]);
+
if (!in->trace && tb[INSTANCE_ATTR_JAIL])
in->has_jail = instance_jail_parse(in, tb[INSTANCE_ATTR_JAIL]);
in->trigger = in_src->trigger;
in->command = in_src->command;
in->pidfile = in_src->pidfile;
+ in->respawn_retry = in_src->respawn_retry;
+ in->respawn_threshold = in_src->respawn_threshold;
+ in->respawn_timeout = in_src->respawn_timeout;
in->name = in_src->name;
+ in->trace = in_src->trace;
in->node.avl.key = in_src->node.avl.key;
free(in->config);
in_src->config = NULL;
}
-bool
+void
instance_update(struct service_instance *in, struct service_instance *in_new)
{
bool changed = instance_config_changed(in, in_new);
bool running = in->proc.pending;
+ bool stopping = in->halt;
- if (!changed && running)
- return false;
-
- if (!running) {
- if (changed)
- instance_config_move(in, in_new);
+ if (!running || stopping) {
+ instance_config_move(in, in_new);
instance_start(in);
} else {
- instance_restart(in);
+ if (changed)
+ instance_restart(in);
instance_config_move(in, in_new);
/* restart happens in the child callback handler */
}
- return true;
}
void
in->config = config;
in->timeout.cb = instance_timeout;
in->proc.cb = instance_exit;
+ in->term_timeout = 5;
in->_stdout.fd.fd = -2;
in->_stdout.stream.string_data = true;
blobmsg_add_u8(b, "running", in->proc.pending);
if (in->proc.pending)
blobmsg_add_u32(b, "pid", in->proc.pid);
- blobmsg_add_blob(b, in->command);
+ if (in->command)
+ blobmsg_add_blob(b, in->command);
+ blobmsg_add_u32(b, "term_timeout", in->term_timeout);
if (!avl_is_empty(&in->errors.avl)) {
struct blobmsg_list_node *var;
blobmsg_close_table(b, e);
}
+ if (in->reload_signal)
+ blobmsg_add_u32(b, "reload_signal", in->reload_signal);
+
if (in->respawn) {
void *r = blobmsg_open_table(b, "respawn");
blobmsg_add_u32(b, "threshold", in->respawn_threshold);
projects / project / procd.git / blobdiff