1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
29 #include <sys/reboot.h>
30 #include <sys/ioctl.h>
34 #include <sys/types.h>
37 #include <sys/timerfd.h>
43 #include "sd-daemon.h"
45 #include "sd-messages.h"
48 #include "transaction.h"
55 #include "ratelimit.h"
56 #include "locale-setup.h"
57 #include "mount-setup.h"
58 #include "unit-name.h"
60 #include "path-lookup.h"
62 #include "exit-status.h"
65 #include "cgroup-util.h"
66 #include "path-util.h"
68 #include "boot-timestamps.h"
70 #include "bus-errors.h"
71 #include "bus-error.h"
74 #include "dbus-unit.h"
76 #include "dbus-manager.h"
77 #include "bus-kernel.h"
78 #include "time-util.h"
80 /* As soon as 5s passed since a unit was added to our GC queue, make sure to run a gc sweep */
81 #define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC)
83 /* Initial delay and the interval for printing status messages about running jobs */
84 #define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC)
85 #define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3)
86 #define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3
88 static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
89 static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
90 static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
91 static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
92 static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata);
93 static int manager_dispatch_run_queue(sd_event_source *source, void *userdata);
95 static int manager_watch_jobs_in_progress(Manager *m) {
100 if (m->jobs_in_progress_event_source)
103 next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC;
104 return sd_event_add_time(
106 &m->jobs_in_progress_event_source,
109 manager_dispatch_jobs_in_progress, m);
112 #define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1))
114 static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) {
117 assert(buflen >= CYLON_BUFFER_EXTRA + width + 1);
118 assert(pos <= width+1); /* 0 or width+1 mean that the center light is behind the corner */
122 p = mempset(p, ' ', pos-2);
123 p = stpcpy(p, ANSI_RED_ON);
127 if (pos > 0 && pos <= width) {
128 p = stpcpy(p, ANSI_HIGHLIGHT_RED_ON);
132 p = stpcpy(p, ANSI_HIGHLIGHT_OFF);
135 p = stpcpy(p, ANSI_RED_ON);
138 p = mempset(p, ' ', width-1-pos);
139 strcpy(p, ANSI_HIGHLIGHT_OFF);
143 void manager_flip_auto_status(Manager *m, bool enable) {
147 if (m->show_status == SHOW_STATUS_AUTO)
148 manager_set_show_status(m, SHOW_STATUS_TEMPORARY);
150 if (m->show_status == SHOW_STATUS_TEMPORARY)
151 manager_set_show_status(m, SHOW_STATUS_AUTO);
155 static void manager_print_jobs_in_progress(Manager *m) {
156 _cleanup_free_ char *job_of_n = NULL;
159 unsigned counter = 0, print_nr;
160 char cylon[6 + CYLON_BUFFER_EXTRA + 1];
162 char time[FORMAT_TIMESPAN_MAX], limit[FORMAT_TIMESPAN_MAX] = "no limit";
167 manager_flip_auto_status(m, true);
169 print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs;
171 HASHMAP_FOREACH(j, m->jobs, i)
172 if (j->state == JOB_RUNNING && counter++ == print_nr)
175 /* m->n_running_jobs must be consistent with the contents of m->jobs,
176 * so the above loop must have succeeded in finding j. */
177 assert(counter == print_nr + 1);
180 cylon_pos = m->jobs_in_progress_iteration % 14;
182 cylon_pos = 14 - cylon_pos;
183 draw_cylon(cylon, sizeof(cylon), 6, cylon_pos);
185 m->jobs_in_progress_iteration++;
187 if (m->n_running_jobs > 1)
188 if (asprintf(&job_of_n, "(%u of %u) ", counter, m->n_running_jobs) < 0)
191 format_timespan(time, sizeof(time), now(CLOCK_MONOTONIC) - j->begin_usec, 1*USEC_PER_SEC);
192 if (job_get_timeout(j, &x) > 0)
193 format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC);
195 manager_status_printf(m, true, cylon,
196 "%sA %s job is running for %s (%s / %s)",
198 job_type_to_string(j->type),
199 unit_description(j->unit),
204 static int manager_watch_idle_pipe(Manager *m) {
209 if (m->idle_pipe_event_source)
212 if (m->idle_pipe[2] < 0)
215 r = sd_event_add_io(m->event, &m->idle_pipe_event_source, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m);
217 log_error("Failed to watch idle pipe: %s", strerror(-r));
224 static void manager_close_idle_pipe(Manager *m) {
227 safe_close_pair(m->idle_pipe);
228 safe_close_pair(m->idle_pipe + 2);
231 static int manager_setup_time_change(Manager *m) {
234 /* We only care for the cancellation event, hence we set the
235 * timeout to the latest possible value. */
236 struct itimerspec its = {
237 .it_value.tv_sec = TIME_T_MAX,
241 assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
246 /* Uses TFD_TIMER_CANCEL_ON_SET to get notifications whenever
247 * CLOCK_REALTIME makes a jump relative to CLOCK_MONOTONIC */
249 m->time_change_fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC);
250 if (m->time_change_fd < 0) {
251 log_error("Failed to create timerfd: %m");
255 if (timerfd_settime(m->time_change_fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
256 log_debug("Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
257 m->time_change_fd = safe_close(m->time_change_fd);
261 r = sd_event_add_io(m->event, &m->time_change_event_source, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m);
263 log_error("Failed to create time change event source: %s", strerror(-r));
267 log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd.");
272 static int enable_special_signals(Manager *m) {
273 _cleanup_close_ int fd = -1;
277 /* Enable that we get SIGINT on control-alt-del. In containers
278 * this will fail with EPERM (older) or EINVAL (newer), so
280 if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM && errno != EINVAL)
281 log_warning("Failed to enable ctrl-alt-del handling: %m");
283 fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC);
285 /* Support systems without virtual console */
287 log_warning("Failed to open /dev/tty0: %m");
289 /* Enable that we get SIGWINCH on kbrequest */
290 if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0)
291 log_warning("Failed to enable kbrequest handling: %m");
297 static int manager_setup_signals(Manager *m) {
298 struct sigaction sa = {
299 .sa_handler = SIG_DFL,
300 .sa_flags = SA_NOCLDSTOP|SA_RESTART,
310 /* We are not interested in SIGSTOP and friends. */
311 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
313 assert_se(sigemptyset(&mask) == 0);
315 sigset_add_many(&mask,
316 SIGCHLD, /* Child died */
317 SIGTERM, /* Reexecute daemon */
318 SIGHUP, /* Reload configuration */
319 SIGUSR1, /* systemd/upstart: reconnect to D-Bus */
320 SIGUSR2, /* systemd: dump status */
321 SIGINT, /* Kernel sends us this on control-alt-del */
322 SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */
323 SIGPWR, /* Some kernel drivers and upsd send us this on power failure */
324 SIGRTMIN+0, /* systemd: start default.target */
325 SIGRTMIN+1, /* systemd: isolate rescue.target */
326 SIGRTMIN+2, /* systemd: isolate emergency.target */
327 SIGRTMIN+3, /* systemd: start halt.target */
328 SIGRTMIN+4, /* systemd: start poweroff.target */
329 SIGRTMIN+5, /* systemd: start reboot.target */
330 SIGRTMIN+6, /* systemd: start kexec.target */
331 SIGRTMIN+13, /* systemd: Immediate halt */
332 SIGRTMIN+14, /* systemd: Immediate poweroff */
333 SIGRTMIN+15, /* systemd: Immediate reboot */
334 SIGRTMIN+16, /* systemd: Immediate kexec */
335 SIGRTMIN+20, /* systemd: enable status messages */
336 SIGRTMIN+21, /* systemd: disable status messages */
337 SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */
338 SIGRTMIN+23, /* systemd: set log level to LOG_INFO */
339 SIGRTMIN+24, /* systemd: Immediate exit (--user only) */
340 SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */
341 SIGRTMIN+27, /* systemd: set log target to console */
342 SIGRTMIN+28, /* systemd: set log target to kmsg */
343 SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg (obsolete)*/
345 assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
347 m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
348 if (m->signal_fd < 0)
351 r = sd_event_add_io(m->event, &m->signal_event_source, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m);
355 /* Process signals a bit earlier than the rest of things, but
356 * later than notify_fd processing, so that the notify
357 * processing can still figure out to which process/service a
358 * message belongs, before we reap the process. */
359 r = sd_event_source_set_priority(m->signal_event_source, -5);
363 if (m->running_as == SYSTEMD_SYSTEM)
364 return enable_special_signals(m);
369 static void manager_clean_environment(Manager *m) {
372 /* Let's remove some environment variables that we
373 * need ourselves to communicate with our clients */
386 static int manager_default_environment(Manager *m) {
389 if (m->running_as == SYSTEMD_SYSTEM) {
390 /* The system manager always starts with a clean
391 * environment for its children. It does not import
392 * the kernel or the parents exported variables.
394 * The initial passed environ is untouched to keep
395 * /proc/self/environ valid; it is used for tagging
396 * the init process inside containers. */
397 m->environment = strv_new("PATH=" DEFAULT_PATH,
400 /* Import locale variables LC_*= from configuration */
401 locale_setup(&m->environment);
403 /* The user manager passes its own environment
404 * along to its children. */
405 m->environment = strv_copy(environ);
411 manager_clean_environment(m);
412 strv_sort(m->environment);
417 int manager_new(SystemdRunningAs running_as, bool test_run, Manager **_m) {
422 assert(running_as >= 0);
423 assert(running_as < _SYSTEMD_RUNNING_AS_MAX);
425 m = new0(Manager, 1);
430 if (running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0)
431 boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
434 m->running_as = running_as;
435 m->exit_code = _MANAGER_EXIT_CODE_INVALID;
436 m->default_timer_accuracy_usec = USEC_PER_MINUTE;
437 m->start_timeout_usec = DEFAULT_MANAGER_START_TIMEOUT_USEC;
438 m->start_timeout_action = FAILURE_ACTION_POWEROFF_FORCE;
440 m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
442 m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = -1;
443 m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
445 m->test_run = test_run;
447 r = manager_default_environment(m);
451 r = hashmap_ensure_allocated(&m->units, &string_hash_ops);
455 r = hashmap_ensure_allocated(&m->jobs, NULL);
459 r = hashmap_ensure_allocated(&m->cgroup_unit, &string_hash_ops);
463 r = hashmap_ensure_allocated(&m->watch_bus, &string_hash_ops);
467 r = set_ensure_allocated(&m->startup_units, NULL);
471 r = set_ensure_allocated(&m->failed_units, NULL);
475 r = sd_event_default(&m->event);
479 r = sd_event_add_defer(m->event, &m->run_queue_event_source, manager_dispatch_run_queue, m);
483 r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE);
487 r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF);
491 r = manager_setup_signals(m);
495 r = manager_setup_cgroup(m);
499 r = manager_setup_time_change(m);
503 m->udev = udev_new();
509 /* Note that we set up neither kdbus, nor the notify fd
510 * here. We do that after deserialization, since they might
511 * have gotten serialized across the reexec. */
513 m->taint_usr = dir_is_empty("/usr") > 0;
523 static int manager_setup_notify(Manager *m) {
529 if (m->notify_fd < 0) {
530 _cleanup_close_ int fd = -1;
531 union sockaddr_union sa = {
532 .sa.sa_family = AF_UNIX,
534 static const int one = 1;
536 /* First free all secondary fields */
537 free(m->notify_socket);
538 m->notify_socket = NULL;
539 m->notify_event_source = sd_event_source_unref(m->notify_event_source);
541 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
543 log_error("Failed to allocate notification socket: %m");
547 if (m->running_as == SYSTEMD_SYSTEM)
548 m->notify_socket = strdup("/run/systemd/notify");
552 e = getenv("XDG_RUNTIME_DIR");
554 log_error("XDG_RUNTIME_DIR is not set: %m");
558 m->notify_socket = strappend(e, "/systemd/notify");
560 if (!m->notify_socket)
563 strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1);
564 r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
566 log_error("bind(%s) failed: %m", sa.un.sun_path);
567 if (errno == EADDRINUSE) {
568 log_notice("Removing %s socket and trying again.", m->notify_socket);
569 r = unlink(m->notify_socket);
571 log_error("Failed to remove %s: %m", m->notify_socket);
575 r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
577 log_error("bind(%s) failed: %m", sa.un.sun_path);
584 r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
586 log_error("SO_PASSCRED failed: %m");
593 log_debug("Using notification socket %s", m->notify_socket);
596 if (!m->notify_event_source) {
597 r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m);
599 log_error("Failed to allocate notify event source: %s", strerror(-r));
603 /* Process signals a bit earlier than SIGCHLD, so that we can
604 * still identify to which service an exit message belongs */
605 r = sd_event_source_set_priority(m->notify_event_source, -7);
607 log_error("Failed to set priority of notify event source: %s", strerror(-r));
615 static int manager_setup_kdbus(Manager *m) {
617 _cleanup_free_ char *p = NULL;
621 if (m->test_run || m->kdbus_fd >= 0)
624 m->kdbus_fd = bus_kernel_create_bus(m->running_as == SYSTEMD_SYSTEM ? "system" : "user", m->running_as == SYSTEMD_SYSTEM, &p);
625 if (m->kdbus_fd < 0) {
626 log_debug("Failed to set up kdbus: %s", strerror(-m->kdbus_fd));
630 log_debug("Successfully set up kdbus on %s", p);
632 /* Create the namespace directory here, so that the contents
633 * of that directory is not visible to non-root users. This is
634 * necessary to ensure that users cannot get access to busses
635 * of virtualized users when no UID namespacing is used. */
636 if (m->running_as == SYSTEMD_SYSTEM)
637 mkdir_p_label("/dev/kdbus/domain", 0700);
643 static int manager_connect_bus(Manager *m, bool reexecuting) {
644 bool try_bus_connect;
654 (m->running_as == SYSTEMD_USER && getenv("DBUS_SESSION_BUS_ADDRESS"));
656 /* Try to connect to the busses, if possible. */
657 return bus_init(m, try_bus_connect);
660 static unsigned manager_dispatch_cleanup_queue(Manager *m) {
666 while ((u = m->cleanup_queue)) {
667 assert(u->in_cleanup_queue);
677 GC_OFFSET_IN_PATH, /* This one is on the path we were traveling */
678 GC_OFFSET_UNSURE, /* No clue */
679 GC_OFFSET_GOOD, /* We still need this unit */
680 GC_OFFSET_BAD, /* We don't need this unit anymore */
684 static void unit_gc_sweep(Unit *u, unsigned gc_marker) {
691 if (u->gc_marker == gc_marker + GC_OFFSET_GOOD ||
692 u->gc_marker == gc_marker + GC_OFFSET_BAD ||
693 u->gc_marker == gc_marker + GC_OFFSET_IN_PATH)
696 if (u->in_cleanup_queue)
699 if (unit_check_gc(u))
702 u->gc_marker = gc_marker + GC_OFFSET_IN_PATH;
706 SET_FOREACH(other, u->dependencies[UNIT_REFERENCED_BY], i) {
707 unit_gc_sweep(other, gc_marker);
709 if (other->gc_marker == gc_marker + GC_OFFSET_GOOD)
712 if (other->gc_marker != gc_marker + GC_OFFSET_BAD)
719 /* We were unable to find anything out about this entry, so
720 * let's investigate it later */
721 u->gc_marker = gc_marker + GC_OFFSET_UNSURE;
722 unit_add_to_gc_queue(u);
726 /* We definitely know that this one is not useful anymore, so
727 * let's mark it for deletion */
728 u->gc_marker = gc_marker + GC_OFFSET_BAD;
729 unit_add_to_cleanup_queue(u);
733 u->gc_marker = gc_marker + GC_OFFSET_GOOD;
736 static unsigned manager_dispatch_gc_queue(Manager *m) {
743 /* log_debug("Running GC..."); */
745 m->gc_marker += _GC_OFFSET_MAX;
746 if (m->gc_marker + _GC_OFFSET_MAX <= _GC_OFFSET_MAX)
749 gc_marker = m->gc_marker;
751 while ((u = m->gc_queue)) {
752 assert(u->in_gc_queue);
754 unit_gc_sweep(u, gc_marker);
756 LIST_REMOVE(gc_queue, m->gc_queue, u);
757 u->in_gc_queue = false;
761 if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
762 u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
763 log_debug_unit(u->id, "Collecting %s", u->id);
764 u->gc_marker = gc_marker + GC_OFFSET_BAD;
765 unit_add_to_cleanup_queue(u);
769 m->n_in_gc_queue = 0;
774 static void manager_clear_jobs_and_units(Manager *m) {
779 while ((u = hashmap_first(m->units)))
782 manager_dispatch_cleanup_queue(m);
784 assert(!m->load_queue);
785 assert(!m->run_queue);
786 assert(!m->dbus_unit_queue);
787 assert(!m->dbus_job_queue);
788 assert(!m->cleanup_queue);
789 assert(!m->gc_queue);
791 assert(hashmap_isempty(m->jobs));
792 assert(hashmap_isempty(m->units));
795 m->n_running_jobs = 0;
798 void manager_free(Manager *m) {
804 manager_clear_jobs_and_units(m);
806 for (c = 0; c < _UNIT_TYPE_MAX; c++)
807 if (unit_vtable[c]->shutdown)
808 unit_vtable[c]->shutdown(m);
810 /* If we reexecute ourselves, we keep the root cgroup
812 manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
814 manager_undo_generators(m);
818 hashmap_free(m->units);
819 hashmap_free(m->jobs);
820 hashmap_free(m->watch_pids1);
821 hashmap_free(m->watch_pids2);
822 hashmap_free(m->watch_bus);
824 set_free(m->startup_units);
825 set_free(m->failed_units);
827 sd_event_source_unref(m->signal_event_source);
828 sd_event_source_unref(m->notify_event_source);
829 sd_event_source_unref(m->time_change_event_source);
830 sd_event_source_unref(m->jobs_in_progress_event_source);
831 sd_event_source_unref(m->idle_pipe_event_source);
832 sd_event_source_unref(m->run_queue_event_source);
834 safe_close(m->signal_fd);
835 safe_close(m->notify_fd);
836 safe_close(m->time_change_fd);
837 safe_close(m->kdbus_fd);
839 manager_close_idle_pipe(m);
841 sd_event_source_unref(m->start_timeout_event_source);
842 free(m->start_timeout_reboot_arg);
845 sd_event_unref(m->event);
847 free(m->notify_socket);
849 lookup_paths_free(&m->lookup_paths);
850 strv_free(m->environment);
852 hashmap_free(m->cgroup_unit);
853 set_free_free(m->unit_path_cache);
855 free(m->switch_root);
856 free(m->switch_root_init);
858 for (i = 0; i < _RLIMIT_MAX; i++)
861 assert(hashmap_isempty(m->units_requiring_mounts_for));
862 hashmap_free(m->units_requiring_mounts_for);
867 int manager_enumerate(Manager *m) {
873 /* Let's ask every type to load all units from disk/kernel
874 * that it might know */
875 for (c = 0; c < _UNIT_TYPE_MAX; c++)
876 if (unit_vtable[c]->enumerate) {
877 q = unit_vtable[c]->enumerate(m);
882 manager_dispatch_load_queue(m);
886 static int manager_coldplug(Manager *m) {
894 /* Then, let's set up their initial state. */
895 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
902 q = unit_coldplug(u);
910 static void manager_build_unit_path_cache(Manager *m) {
912 _cleanup_closedir_ DIR *d = NULL;
917 set_free_free(m->unit_path_cache);
919 m->unit_path_cache = set_new(&string_hash_ops);
920 if (!m->unit_path_cache) {
921 log_error("Failed to allocate unit path cache.");
925 /* This simply builds a list of files we know exist, so that
926 * we don't always have to go to disk */
928 STRV_FOREACH(i, m->lookup_paths.unit_path) {
934 log_error("Failed to open directory %s: %m", *i);
938 while ((de = readdir(d))) {
941 if (ignore_file(de->d_name))
944 p = strjoin(streq(*i, "/") ? "" : *i, "/", de->d_name, NULL);
950 r = set_consume(m->unit_path_cache, p);
962 log_error("Failed to build unit path cache: %s", strerror(-r));
964 set_free_free(m->unit_path_cache);
965 m->unit_path_cache = NULL;
969 static int manager_distribute_fds(Manager *m, FDSet *fds) {
976 HASHMAP_FOREACH(u, m->units, i) {
978 if (fdset_size(fds) <= 0)
981 if (UNIT_VTABLE(u)->distribute_fds) {
982 r = UNIT_VTABLE(u)->distribute_fds(u, fds);
991 static int on_start_timeout(sd_event_source *s, usec_t usec, void *userdata) {
992 Manager *m = userdata;
997 m->start_timeout_event_source = sd_event_source_unref(m->start_timeout_event_source);
999 log_error("Startup timed out.");
1001 failure_action(m, m->start_timeout_action, m->start_timeout_reboot_arg);
1005 int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
1010 dual_timestamp_get(&m->generators_start_timestamp);
1011 manager_run_generators(m);
1012 dual_timestamp_get(&m->generators_finish_timestamp);
1014 r = lookup_paths_init(
1015 &m->lookup_paths, m->running_as, true,
1017 m->generator_unit_path,
1018 m->generator_unit_path_early,
1019 m->generator_unit_path_late);
1023 manager_build_unit_path_cache(m);
1025 /* If we will deserialize make sure that during enumeration
1026 * this is already known, so we increase the counter here
1031 /* First, enumerate what we can from all config files */
1032 dual_timestamp_get(&m->units_load_start_timestamp);
1033 r = manager_enumerate(m);
1034 dual_timestamp_get(&m->units_load_finish_timestamp);
1036 /* Second, deserialize if there is something to deserialize */
1038 r = manager_deserialize(m, serialization, fds);
1040 /* Any fds left? Find some unit which wants them. This is
1041 * useful to allow container managers to pass some file
1042 * descriptors to us pre-initialized. This enables
1043 * socket-based activation of entire containers. */
1044 if (fdset_size(fds) > 0) {
1045 q = manager_distribute_fds(m, fds);
1046 if (q < 0 && r == 0)
1050 /* We might have deserialized the notify fd, but if we didn't
1051 * then let's create the bus now */
1052 q = manager_setup_notify(m);
1053 if (q < 0 && r == 0)
1056 /* We might have deserialized the kdbus control fd, but if we
1057 * didn't, then let's create the bus now. */
1058 manager_setup_kdbus(m);
1059 manager_connect_bus(m, !!serialization);
1060 bus_track_coldplug(m, &m->subscribed, &m->deserialized_subscribed);
1062 /* Third, fire things up! */
1063 q = manager_coldplug(m);
1064 if (q < 0 && r == 0)
1067 if (serialization) {
1068 assert(m->n_reloading > 0);
1071 /* Let's wait for the UnitNew/JobNew messages being
1072 * sent, before we notify that the reload is
1074 m->send_reloading_done = true;
1077 /* Possibly set up a start timeout */
1078 if (!dual_timestamp_is_set(&m->finish_timestamp)) {
1079 m->start_timeout_event_source = sd_event_source_unref(m->start_timeout_event_source);
1081 if (m->start_timeout_usec) {
1082 r = sd_event_add_time(
1084 &m->start_timeout_event_source,
1086 now(CLOCK_MONOTONIC) + m->start_timeout_usec, 0,
1087 on_start_timeout, m);
1089 log_error("Failed to add start timeout event: %s", strerror(-r));
1096 int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool override, sd_bus_error *e, Job **_ret) {
1101 assert(type < _JOB_TYPE_MAX);
1103 assert(mode < _JOB_MODE_MAX);
1105 if (mode == JOB_ISOLATE && type != JOB_START) {
1106 sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
1110 if (mode == JOB_ISOLATE && !unit->allow_isolate) {
1111 sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
1115 log_debug_unit(unit->id,
1116 "Trying to enqueue job %s/%s/%s", unit->id,
1117 job_type_to_string(type), job_mode_to_string(mode));
1119 job_type_collapse(&type, unit);
1121 tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY);
1125 r = transaction_add_job_and_dependencies(tr, type, unit, NULL, true, override, false,
1126 mode == JOB_IGNORE_DEPENDENCIES || mode == JOB_IGNORE_REQUIREMENTS,
1127 mode == JOB_IGNORE_DEPENDENCIES, e);
1131 if (mode == JOB_ISOLATE) {
1132 r = transaction_add_isolate_jobs(tr, m);
1137 r = transaction_activate(tr, m, mode, e);
1141 log_debug_unit(unit->id,
1142 "Enqueued job %s/%s as %u", unit->id,
1143 job_type_to_string(type), (unsigned) tr->anchor_job->id);
1146 *_ret = tr->anchor_job;
1148 transaction_free(tr);
1152 transaction_abort(tr);
1153 transaction_free(tr);
1157 int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool override, sd_bus_error *e, Job **_ret) {
1162 assert(type < _JOB_TYPE_MAX);
1164 assert(mode < _JOB_MODE_MAX);
1166 r = manager_load_unit(m, name, NULL, NULL, &unit);
1170 return manager_add_job(m, type, unit, mode, override, e, _ret);
1173 Job *manager_get_job(Manager *m, uint32_t id) {
1176 return hashmap_get(m->jobs, UINT32_TO_PTR(id));
1179 Unit *manager_get_unit(Manager *m, const char *name) {
1183 return hashmap_get(m->units, name);
1186 unsigned manager_dispatch_load_queue(Manager *m) {
1192 /* Make sure we are not run recursively */
1193 if (m->dispatching_load_queue)
1196 m->dispatching_load_queue = true;
1198 /* Dispatches the load queue. Takes a unit from the queue and
1199 * tries to load its data until the queue is empty */
1201 while ((u = m->load_queue)) {
1202 assert(u->in_load_queue);
1208 m->dispatching_load_queue = false;
1212 int manager_load_unit_prepare(
1224 assert(name || path);
1226 /* This will prepare the unit for loading, but not actually
1227 * load anything from disk. */
1229 if (path && !is_path(path))
1230 return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
1233 name = basename(path);
1235 t = unit_name_to_type(name);
1237 if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, TEMPLATE_INVALID))
1238 return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name);
1240 ret = manager_get_unit(m, name);
1246 ret = unit_new(m, unit_vtable[t]->object_size);
1251 ret->fragment_path = strdup(path);
1252 if (!ret->fragment_path) {
1258 r = unit_add_name(ret, name);
1264 unit_add_to_load_queue(ret);
1265 unit_add_to_dbus_queue(ret);
1266 unit_add_to_gc_queue(ret);
1274 int manager_load_unit(
1285 /* This will load the service information files, but not actually
1286 * start any services or anything. */
1288 r = manager_load_unit_prepare(m, name, path, e, _ret);
1292 manager_dispatch_load_queue(m);
1295 *_ret = unit_follow_merge(*_ret);
1300 void manager_dump_jobs(Manager *s, FILE *f, const char *prefix) {
1307 HASHMAP_FOREACH(j, s->jobs, i)
1308 job_dump(j, f, prefix);
1311 void manager_dump_units(Manager *s, FILE *f, const char *prefix) {
1319 HASHMAP_FOREACH_KEY(u, t, s->units, i)
1321 unit_dump(u, f, prefix);
1324 void manager_clear_jobs(Manager *m) {
1329 while ((j = hashmap_first(m->jobs)))
1330 /* No need to recurse. We're cancelling all jobs. */
1331 job_finish_and_invalidate(j, JOB_CANCELED, false);
1334 static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) {
1335 Manager *m = userdata;
1341 while ((j = m->run_queue)) {
1342 assert(j->installed);
1343 assert(j->in_run_queue);
1345 job_run_and_invalidate(j);
1348 if (m->n_running_jobs > 0)
1349 manager_watch_jobs_in_progress(m);
1351 if (m->n_on_console > 0)
1352 manager_watch_idle_pipe(m);
1357 static unsigned manager_dispatch_dbus_queue(Manager *m) {
1364 if (m->dispatching_dbus_queue)
1367 m->dispatching_dbus_queue = true;
1369 while ((u = m->dbus_unit_queue)) {
1370 assert(u->in_dbus_queue);
1372 bus_unit_send_change_signal(u);
1376 while ((j = m->dbus_job_queue)) {
1377 assert(j->in_dbus_queue);
1379 bus_job_send_change_signal(j);
1383 m->dispatching_dbus_queue = false;
1385 if (m->send_reloading_done) {
1386 m->send_reloading_done = false;
1388 bus_manager_send_reloading(m, false);
1391 if (m->queued_message)
1392 bus_send_queued_message(m);
1397 static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, char *buf, size_t n) {
1398 _cleanup_strv_free_ char **tags = NULL;
1405 tags = strv_split(buf, "\n\r");
1411 log_debug_unit(u->id, "Got notification message for unit %s", u->id);
1413 if (UNIT_VTABLE(u)->notify_message)
1414 UNIT_VTABLE(u)->notify_message(u, pid, tags);
1417 static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1418 Manager *m = userdata;
1422 assert(m->notify_fd == fd);
1424 if (revents != EPOLLIN) {
1425 log_warning("Got unexpected poll event for notify fd.");
1431 struct iovec iovec = {
1433 .iov_len = sizeof(buf)-1,
1438 struct cmsghdr cmsghdr;
1439 uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
1442 struct msghdr msghdr = {
1445 .msg_control = &control,
1446 .msg_controllen = sizeof(control),
1448 struct ucred *ucred;
1451 n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT);
1456 if (errno == EAGAIN || errno == EINTR)
1462 if (msghdr.msg_controllen < CMSG_LEN(sizeof(struct ucred)) ||
1463 control.cmsghdr.cmsg_level != SOL_SOCKET ||
1464 control.cmsghdr.cmsg_type != SCM_CREDENTIALS ||
1465 control.cmsghdr.cmsg_len != CMSG_LEN(sizeof(struct ucred))) {
1466 log_warning("Received notify message without credentials. Ignoring.");
1470 ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
1472 assert((size_t) n < sizeof(buf));
1475 /* Notify every unit that might be interested, but try
1476 * to avoid notifying the same one multiple times. */
1477 u1 = manager_get_unit_by_pid(m, ucred->pid);
1479 manager_invoke_notify_message(m, u1, ucred->pid, buf, n);
1483 u2 = hashmap_get(m->watch_pids1, LONG_TO_PTR(ucred->pid));
1484 if (u2 && u2 != u1) {
1485 manager_invoke_notify_message(m, u2, ucred->pid, buf, n);
1489 u3 = hashmap_get(m->watch_pids2, LONG_TO_PTR(ucred->pid));
1490 if (u3 && u3 != u2 && u3 != u1) {
1491 manager_invoke_notify_message(m, u3, ucred->pid, buf, n);
1496 log_warning("Cannot find unit for notify message of PID "PID_FMT".", ucred->pid);
1502 static void invoke_sigchld_event(Manager *m, Unit *u, siginfo_t *si) {
1507 log_debug_unit(u->id, "Child "PID_FMT" belongs to %s", si->si_pid, u->id);
1509 unit_unwatch_pid(u, si->si_pid);
1510 UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status);
1513 static int manager_dispatch_sigchld(Manager *m) {
1519 /* First we call waitd() for a PID and do not reap the
1520 * zombie. That way we can still access /proc/$PID for
1521 * it while it is a zombie. */
1522 if (waitid(P_ALL, 0, &si, WEXITED|WNOHANG|WNOWAIT) < 0) {
1524 if (errno == ECHILD)
1536 if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
1537 _cleanup_free_ char *name = NULL;
1540 get_process_comm(si.si_pid, &name);
1542 log_debug("Child "PID_FMT" (%s) died (code=%s, status=%i/%s)",
1543 si.si_pid, strna(name),
1544 sigchld_code_to_string(si.si_code),
1546 strna(si.si_code == CLD_EXITED
1547 ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL)
1548 : signal_to_string(si.si_status)));
1550 /* And now figure out the unit this belongs
1551 * to, it might be multiple... */
1552 u1 = manager_get_unit_by_pid(m, si.si_pid);
1554 invoke_sigchld_event(m, u1, &si);
1555 u2 = hashmap_get(m->watch_pids1, LONG_TO_PTR(si.si_pid));
1557 invoke_sigchld_event(m, u2, &si);
1558 u3 = hashmap_get(m->watch_pids2, LONG_TO_PTR(si.si_pid));
1559 if (u3 && u3 != u2 && u3 != u1)
1560 invoke_sigchld_event(m, u3, &si);
1563 /* And now, we actually reap the zombie. */
1564 if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) {
1575 static int manager_start_target(Manager *m, const char *name, JobMode mode) {
1576 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1579 log_debug_unit(name, "Activating special unit %s", name);
1581 r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL);
1583 log_error_unit(name, "Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
1588 static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1589 Manager *m = userdata;
1591 struct signalfd_siginfo sfsi;
1592 bool sigchld = false;
1595 assert(m->signal_fd == fd);
1597 if (revents != EPOLLIN) {
1598 log_warning("Got unexpected events from signal file descriptor.");
1603 n = read(m->signal_fd, &sfsi, sizeof(sfsi));
1604 if (n != sizeof(sfsi)) {
1609 if (errno == EINTR || errno == EAGAIN)
1615 log_received_signal(sfsi.ssi_signo == SIGCHLD ||
1616 (sfsi.ssi_signo == SIGTERM && m->running_as == SYSTEMD_USER)
1617 ? LOG_DEBUG : LOG_INFO,
1620 switch (sfsi.ssi_signo) {
1627 if (m->running_as == SYSTEMD_SYSTEM) {
1628 /* This is for compatibility with the
1629 * original sysvinit */
1630 m->exit_code = MANAGER_REEXECUTE;
1637 if (m->running_as == SYSTEMD_SYSTEM) {
1638 manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY);
1642 /* Run the exit target if there is one, if not, just exit. */
1643 if (manager_start_target(m, SPECIAL_EXIT_TARGET, JOB_REPLACE) < 0) {
1644 m->exit_code = MANAGER_EXIT;
1651 if (m->running_as == SYSTEMD_SYSTEM)
1652 manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE);
1654 /* This is a nop on non-init */
1658 if (m->running_as == SYSTEMD_SYSTEM)
1659 manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE);
1661 /* This is a nop on non-init */
1667 u = manager_get_unit(m, SPECIAL_DBUS_SERVICE);
1669 if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) {
1670 log_info("Trying to reconnect to bus...");
1674 if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) {
1675 log_info("Loading D-Bus service...");
1676 manager_start_target(m, SPECIAL_DBUS_SERVICE, JOB_REPLACE);
1683 _cleanup_free_ char *dump = NULL;
1684 _cleanup_fclose_ FILE *f = NULL;
1687 f = open_memstream(&dump, &size);
1689 log_warning("Failed to allocate memory stream.");
1693 manager_dump_units(m, f, "\t");
1694 manager_dump_jobs(m, f, "\t");
1697 log_warning("Failed to write status stream");
1702 log_warning("Failed to flush status stream");
1706 log_dump(LOG_INFO, dump);
1711 m->exit_code = MANAGER_RELOAD;
1716 /* Starting SIGRTMIN+0 */
1717 static const char * const target_table[] = {
1718 [0] = SPECIAL_DEFAULT_TARGET,
1719 [1] = SPECIAL_RESCUE_TARGET,
1720 [2] = SPECIAL_EMERGENCY_TARGET,
1721 [3] = SPECIAL_HALT_TARGET,
1722 [4] = SPECIAL_POWEROFF_TARGET,
1723 [5] = SPECIAL_REBOOT_TARGET,
1724 [6] = SPECIAL_KEXEC_TARGET
1727 /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */
1728 static const ManagerExitCode code_table[] = {
1730 [1] = MANAGER_POWEROFF,
1731 [2] = MANAGER_REBOOT,
1735 if ((int) sfsi.ssi_signo >= SIGRTMIN+0 &&
1736 (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) {
1737 int idx = (int) sfsi.ssi_signo - SIGRTMIN;
1738 manager_start_target(m, target_table[idx],
1739 (idx == 1 || idx == 2) ? JOB_ISOLATE : JOB_REPLACE);
1743 if ((int) sfsi.ssi_signo >= SIGRTMIN+13 &&
1744 (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(code_table)) {
1745 m->exit_code = code_table[sfsi.ssi_signo - SIGRTMIN - 13];
1749 switch (sfsi.ssi_signo - SIGRTMIN) {
1752 log_debug("Enabling showing of status.");
1753 manager_set_show_status(m, SHOW_STATUS_YES);
1757 log_debug("Disabling showing of status.");
1758 manager_set_show_status(m, SHOW_STATUS_NO);
1762 log_set_max_level(LOG_DEBUG);
1763 log_notice("Setting log level to debug.");
1767 log_set_max_level(LOG_INFO);
1768 log_notice("Setting log level to info.");
1772 if (m->running_as == SYSTEMD_USER) {
1773 m->exit_code = MANAGER_EXIT;
1777 /* This is a nop on init */
1781 case 29: /* compatibility: used to be mapped to LOG_TARGET_SYSLOG_OR_KMSG */
1782 log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
1783 log_notice("Setting log target to journal-or-kmsg.");
1787 log_set_target(LOG_TARGET_CONSOLE);
1788 log_notice("Setting log target to console.");
1792 log_set_target(LOG_TARGET_KMSG);
1793 log_notice("Setting log target to kmsg.");
1797 log_warning("Got unhandled signal <%s>.", signal_to_string(sfsi.ssi_signo));
1804 manager_dispatch_sigchld(m);
1809 static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1810 Manager *m = userdata;
1815 assert(m->time_change_fd == fd);
1817 log_struct(LOG_INFO,
1818 MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
1819 "MESSAGE=Time has been changed",
1822 /* Restart the watch */
1823 m->time_change_event_source = sd_event_source_unref(m->time_change_event_source);
1824 m->time_change_fd = safe_close(m->time_change_fd);
1826 manager_setup_time_change(m);
1828 HASHMAP_FOREACH(u, m->units, i)
1829 if (UNIT_VTABLE(u)->time_change)
1830 UNIT_VTABLE(u)->time_change(u);
1835 static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1836 Manager *m = userdata;
1839 assert(m->idle_pipe[2] == fd);
1841 m->no_console_output = m->n_on_console > 0;
1843 m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
1844 manager_close_idle_pipe(m);
1849 static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) {
1850 Manager *m = userdata;
1857 manager_print_jobs_in_progress(m);
1859 next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_PERIOD_USEC;
1860 r = sd_event_source_set_time(source, next);
1864 return sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
1867 int manager_loop(Manager *m) {
1870 RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000);
1873 m->exit_code = MANAGER_OK;
1875 /* Release the path cache */
1876 set_free_free(m->unit_path_cache);
1877 m->unit_path_cache = NULL;
1879 manager_check_finished(m);
1881 /* There might still be some zombies hanging around from
1882 * before we were exec()'ed. Let's reap them. */
1883 r = manager_dispatch_sigchld(m);
1887 while (m->exit_code == MANAGER_OK) {
1890 if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM)
1893 if (!ratelimit_test(&rl)) {
1894 /* Yay, something is going seriously wrong, pause a little */
1895 log_warning("Looping too fast. Throttling execution a little.");
1900 if (manager_dispatch_load_queue(m) > 0)
1903 if (manager_dispatch_gc_queue(m) > 0)
1906 if (manager_dispatch_cleanup_queue(m) > 0)
1909 if (manager_dispatch_cgroup_queue(m) > 0)
1912 if (manager_dispatch_dbus_queue(m) > 0)
1915 /* Sleep for half the watchdog time */
1916 if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM) {
1917 wait_usec = m->runtime_watchdog / 2;
1921 wait_usec = USEC_INFINITY;
1923 r = sd_event_run(m->event, wait_usec);
1925 log_error("Failed to run event loop: %s", strerror(-r));
1930 return m->exit_code;
1933 int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u) {
1934 _cleanup_free_ char *n = NULL;
1942 r = unit_name_from_dbus_path(s, &n);
1946 r = manager_load_unit(m, n, NULL, e, &u);
1955 int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) {
1965 p = startswith(s, "/org/freedesktop/systemd1/job/");
1969 r = safe_atou(p, &id);
1973 j = manager_get_job(m, id);
1982 void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
1985 _cleanup_free_ char *p = NULL;
1988 audit_fd = get_audit_fd();
1992 /* Don't generate audit events if the service was already
1993 * started and we're just deserializing */
1994 if (m->n_reloading > 0)
1997 if (m->running_as != SYSTEMD_SYSTEM)
2000 if (u->type != UNIT_SERVICE)
2003 p = unit_name_to_prefix_and_instance(u->id);
2005 log_error_unit(u->id,
2006 "Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
2010 if (audit_log_user_comm_message(audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) {
2011 if (errno == EPERM) {
2012 /* We aren't allowed to send audit messages?
2013 * Then let's not retry again. */
2016 log_warning("Failed to send audit message: %m");
2022 void manager_send_unit_plymouth(Manager *m, Unit *u) {
2023 union sockaddr_union sa = PLYMOUTH_SOCKET;
2026 _cleanup_free_ char *message = NULL;
2027 _cleanup_close_ int fd = -1;
2029 /* Don't generate plymouth events if the service was already
2030 * started and we're just deserializing */
2031 if (m->n_reloading > 0)
2034 if (m->running_as != SYSTEMD_SYSTEM)
2037 if (detect_container(NULL) > 0)
2040 if (u->type != UNIT_SERVICE &&
2041 u->type != UNIT_MOUNT &&
2042 u->type != UNIT_SWAP)
2045 /* We set SOCK_NONBLOCK here so that we rather drop the
2046 * message then wait for plymouth */
2047 fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
2049 log_error("socket() failed: %m");
2053 if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
2055 if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
2056 log_error("connect() failed: %m");
2060 if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) {
2066 if (write(fd, message, n + 1) != n + 1)
2067 if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
2068 log_error("Failed to write Plymouth message: %m");
2071 void manager_dispatch_bus_name_owner_changed(
2074 const char* old_owner,
2075 const char *new_owner) {
2082 u = hashmap_get(m->watch_bus, name);
2086 UNIT_VTABLE(u)->bus_name_owner_change(u, name, old_owner, new_owner);
2089 int manager_open_serialization(Manager *m, FILE **_f) {
2096 path = m->running_as == SYSTEMD_SYSTEM ? "/run/systemd" : "/tmp";
2097 fd = open_tmpfile(path, O_RDWR|O_CLOEXEC);
2101 log_debug("Serializing state to %s", path);
2103 f = fdopen(fd, "w+");
2114 int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root) {
2127 fprintf(f, "current-job-id=%i\n", m->current_job_id);
2128 fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr));
2129 fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs);
2130 fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs);
2132 dual_timestamp_serialize(f, "firmware-timestamp", &m->firmware_timestamp);
2133 dual_timestamp_serialize(f, "loader-timestamp", &m->loader_timestamp);
2134 dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp);
2135 dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp);
2138 dual_timestamp_serialize(f, "userspace-timestamp", &m->userspace_timestamp);
2139 dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
2140 dual_timestamp_serialize(f, "security-start-timestamp", &m->security_start_timestamp);
2141 dual_timestamp_serialize(f, "security-finish-timestamp", &m->security_finish_timestamp);
2142 dual_timestamp_serialize(f, "generators-start-timestamp", &m->generators_start_timestamp);
2143 dual_timestamp_serialize(f, "generators-finish-timestamp", &m->generators_finish_timestamp);
2144 dual_timestamp_serialize(f, "units-load-start-timestamp", &m->units_load_start_timestamp);
2145 dual_timestamp_serialize(f, "units-load-finish-timestamp", &m->units_load_finish_timestamp);
2148 if (!switching_root) {
2149 STRV_FOREACH(e, m->environment) {
2150 _cleanup_free_ char *ce;
2156 fprintf(f, "env=%s\n", *e);
2160 if (m->notify_fd >= 0) {
2163 copy = fdset_put_dup(fds, m->notify_fd);
2167 fprintf(f, "notify-fd=%i\n", copy);
2168 fprintf(f, "notify-socket=%s\n", m->notify_socket);
2171 if (m->kdbus_fd >= 0) {
2174 copy = fdset_put_dup(fds, m->kdbus_fd);
2178 fprintf(f, "kdbus-fd=%i\n", copy);
2181 bus_track_serialize(m->subscribed, f);
2185 HASHMAP_FOREACH_KEY(u, t, m->units, i) {
2193 r = unit_serialize(u, f, fds, !switching_root);
2200 assert(m->n_reloading > 0);
2206 r = bus_fdset_add_all(m, fds);
2213 int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
2219 log_debug("Deserializing state...");
2224 char line[LINE_MAX], *l;
2226 if (!fgets(line, sizeof(line), f)) {
2241 if (startswith(l, "current-job-id=")) {
2244 if (safe_atou32(l+15, &id) < 0)
2245 log_warning("Failed to parse current job id value %s", l+15);
2247 m->current_job_id = MAX(m->current_job_id, id);
2249 } else if (startswith(l, "n-installed-jobs=")) {
2252 if (safe_atou32(l+17, &n) < 0)
2253 log_warning("Failed to parse installed jobs counter %s", l+17);
2255 m->n_installed_jobs += n;
2257 } else if (startswith(l, "n-failed-jobs=")) {
2260 if (safe_atou32(l+14, &n) < 0)
2261 log_warning("Failed to parse failed jobs counter %s", l+14);
2263 m->n_failed_jobs += n;
2265 } else if (startswith(l, "taint-usr=")) {
2268 b = parse_boolean(l+10);
2270 log_warning("Failed to parse taint /usr flag %s", l+10);
2272 m->taint_usr = m->taint_usr || b;
2274 } else if (startswith(l, "firmware-timestamp="))
2275 dual_timestamp_deserialize(l+19, &m->firmware_timestamp);
2276 else if (startswith(l, "loader-timestamp="))
2277 dual_timestamp_deserialize(l+17, &m->loader_timestamp);
2278 else if (startswith(l, "kernel-timestamp="))
2279 dual_timestamp_deserialize(l+17, &m->kernel_timestamp);
2280 else if (startswith(l, "initrd-timestamp="))
2281 dual_timestamp_deserialize(l+17, &m->initrd_timestamp);
2282 else if (startswith(l, "userspace-timestamp="))
2283 dual_timestamp_deserialize(l+20, &m->userspace_timestamp);
2284 else if (startswith(l, "finish-timestamp="))
2285 dual_timestamp_deserialize(l+17, &m->finish_timestamp);
2286 else if (startswith(l, "security-start-timestamp="))
2287 dual_timestamp_deserialize(l+25, &m->security_start_timestamp);
2288 else if (startswith(l, "security-finish-timestamp="))
2289 dual_timestamp_deserialize(l+26, &m->security_finish_timestamp);
2290 else if (startswith(l, "generators-start-timestamp="))
2291 dual_timestamp_deserialize(l+27, &m->generators_start_timestamp);
2292 else if (startswith(l, "generators-finish-timestamp="))
2293 dual_timestamp_deserialize(l+28, &m->generators_finish_timestamp);
2294 else if (startswith(l, "units-load-start-timestamp="))
2295 dual_timestamp_deserialize(l+27, &m->units_load_start_timestamp);
2296 else if (startswith(l, "units-load-finish-timestamp="))
2297 dual_timestamp_deserialize(l+28, &m->units_load_finish_timestamp);
2298 else if (startswith(l, "env=")) {
2299 _cleanup_free_ char *uce = NULL;
2302 uce = cunescape(l+4);
2308 e = strv_env_set(m->environment, uce);
2314 strv_free(m->environment);
2317 } else if (startswith(l, "notify-fd=")) {
2320 if (safe_atoi(l + 10, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2321 log_warning("Failed to parse notify fd: %s", l + 10);
2323 m->notify_event_source = sd_event_source_unref(m->notify_event_source);
2324 safe_close(m->notify_fd);
2325 m->notify_fd = fdset_remove(fds, fd);
2328 } else if (startswith(l, "notify-socket=")) {
2337 free(m->notify_socket);
2338 m->notify_socket = n;
2340 } else if (startswith(l, "kdbus-fd=")) {
2343 if (safe_atoi(l + 9, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2344 log_warning("Failed to parse kdbus fd: %s", l + 9);
2346 safe_close(m->kdbus_fd);
2347 m->kdbus_fd = fdset_remove(fds, fd);
2350 } else if (bus_track_deserialize_item(&m->deserialized_subscribed, l) == 0)
2351 log_warning("Unknown serialization item '%s'", l);
2356 char name[UNIT_NAME_MAX+2];
2359 if (!fgets(name, sizeof(name), f)) {
2370 r = manager_load_unit(m, strstrip(name), NULL, NULL, &u);
2374 r = unit_deserialize(u, f, fds);
2383 assert(m->n_reloading > 0);
2389 int manager_reload(Manager *m) {
2391 _cleanup_fclose_ FILE *f = NULL;
2392 _cleanup_fdset_free_ FDSet *fds = NULL;
2396 r = manager_open_serialization(m, &f);
2401 bus_manager_send_reloading(m, true);
2409 r = manager_serialize(m, f, fds, false);
2415 if (fseeko(f, 0, SEEK_SET) < 0) {
2420 /* From here on there is no way back. */
2421 manager_clear_jobs_and_units(m);
2422 manager_undo_generators(m);
2423 lookup_paths_free(&m->lookup_paths);
2425 /* Find new unit paths */
2426 manager_run_generators(m);
2428 q = lookup_paths_init(
2429 &m->lookup_paths, m->running_as, true,
2431 m->generator_unit_path,
2432 m->generator_unit_path_early,
2433 m->generator_unit_path_late);
2437 manager_build_unit_path_cache(m);
2439 /* First, enumerate what we can from all config files */
2440 q = manager_enumerate(m);
2444 /* Second, deserialize our stored data */
2445 q = manager_deserialize(m, f, fds);
2452 /* Re-register notify_fd as event source */
2453 q = manager_setup_notify(m);
2457 /* Third, fire things up! */
2458 q = manager_coldplug(m);
2462 assert(m->n_reloading > 0);
2465 m->send_reloading_done = true;
2470 bool manager_is_reloading_or_reexecuting(Manager *m) {
2473 return m->n_reloading != 0;
2476 void manager_reset_failed(Manager *m) {
2482 HASHMAP_FOREACH(u, m->units, i)
2483 unit_reset_failed(u);
2486 bool manager_unit_inactive_or_pending(Manager *m, const char *name) {
2492 /* Returns true if the unit is inactive or going down */
2493 u = manager_get_unit(m, name);
2497 return unit_inactive_or_pending(u);
2500 void manager_check_finished(Manager *m) {
2501 char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
2502 usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec;
2508 if (m->n_running_jobs == 0)
2509 m->jobs_in_progress_event_source = sd_event_source_unref(m->jobs_in_progress_event_source);
2511 if (hashmap_size(m->jobs) > 0) {
2513 if (m->jobs_in_progress_event_source)
2514 sd_event_source_set_time(m->jobs_in_progress_event_source, now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC);
2519 manager_flip_auto_status(m, false);
2521 /* Notify Type=idle units that we are done now */
2522 m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
2523 manager_close_idle_pipe(m);
2525 /* Turn off confirm spawn now */
2526 m->confirm_spawn = false;
2528 /* This is no longer the first boot */
2529 manager_set_first_boot(m, false);
2531 if (dual_timestamp_is_set(&m->finish_timestamp))
2534 dual_timestamp_get(&m->finish_timestamp);
2536 m->start_timeout_event_source = sd_event_source_unref(m->start_timeout_event_source);
2538 if (m->running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0) {
2540 /* Note that m->kernel_usec.monotonic is always at 0,
2541 * and m->firmware_usec.monotonic and
2542 * m->loader_usec.monotonic should be considered
2543 * negative values. */
2545 firmware_usec = m->firmware_timestamp.monotonic - m->loader_timestamp.monotonic;
2546 loader_usec = m->loader_timestamp.monotonic - m->kernel_timestamp.monotonic;
2547 userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic;
2548 total_usec = m->firmware_timestamp.monotonic + m->finish_timestamp.monotonic;
2550 if (dual_timestamp_is_set(&m->initrd_timestamp)) {
2552 kernel_usec = m->initrd_timestamp.monotonic - m->kernel_timestamp.monotonic;
2553 initrd_usec = m->userspace_timestamp.monotonic - m->initrd_timestamp.monotonic;
2555 log_struct(LOG_INFO,
2556 MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
2557 "KERNEL_USEC="USEC_FMT, kernel_usec,
2558 "INITRD_USEC="USEC_FMT, initrd_usec,
2559 "USERSPACE_USEC="USEC_FMT, userspace_usec,
2560 "MESSAGE=Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
2561 format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
2562 format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
2563 format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
2564 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
2567 kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic;
2570 log_struct(LOG_INFO,
2571 MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
2572 "KERNEL_USEC="USEC_FMT, kernel_usec,
2573 "USERSPACE_USEC="USEC_FMT, userspace_usec,
2574 "MESSAGE=Startup finished in %s (kernel) + %s (userspace) = %s.",
2575 format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
2576 format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
2577 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
2581 firmware_usec = loader_usec = initrd_usec = kernel_usec = 0;
2582 total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic;
2584 log_struct(LOG_INFO,
2585 MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
2586 "USERSPACE_USEC="USEC_FMT, userspace_usec,
2587 "MESSAGE=Startup finished in %s.",
2588 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
2592 SET_FOREACH(u, m->startup_units, i)
2594 cgroup_context_apply(unit_get_cgroup_context(u), unit_get_cgroup_mask(u), u->cgroup_path, manager_state(m));
2596 bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec);
2600 "STATUS=Startup finished in %s.",
2601 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC));
2604 static int create_generator_dir(Manager *m, char **generator, const char *name) {
2615 if (m->running_as == SYSTEMD_SYSTEM && getpid() == 1) {
2616 /* systemd --system, not running --test */
2618 p = strappend("/run/systemd/", name);
2622 r = mkdir_p_label(p, 0755);
2624 log_error("Failed to create generator directory %s: %s",
2629 } else if (m->running_as == SYSTEMD_USER) {
2630 const char *s = NULL;
2632 s = getenv("XDG_RUNTIME_DIR");
2635 p = strjoin(s, "/systemd/", name, NULL);
2639 r = mkdir_p_label(p, 0755);
2641 log_error("Failed to create generator directory %s: %s",
2647 /* systemd --system --test */
2649 p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL);
2654 log_error("Failed to create generator directory %s: %m",
2665 static void trim_generator_dir(Manager *m, char **generator) {
2672 if (rmdir(*generator) >= 0) {
2680 void manager_run_generators(Manager *m) {
2681 _cleanup_closedir_ DIR *d = NULL;
2682 const char *generator_path;
2683 const char *argv[5];
2691 generator_path = m->running_as == SYSTEMD_SYSTEM ? SYSTEM_GENERATOR_PATH : USER_GENERATOR_PATH;
2692 d = opendir(generator_path);
2694 if (errno == ENOENT)
2697 log_error("Failed to enumerate generator directory %s: %m",
2702 r = create_generator_dir(m, &m->generator_unit_path, "generator");
2706 r = create_generator_dir(m, &m->generator_unit_path_early, "generator.early");
2710 r = create_generator_dir(m, &m->generator_unit_path_late, "generator.late");
2714 argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */
2715 argv[1] = m->generator_unit_path;
2716 argv[2] = m->generator_unit_path_early;
2717 argv[3] = m->generator_unit_path_late;
2720 RUN_WITH_UMASK(0022)
2721 execute_directory(generator_path, d, DEFAULT_TIMEOUT_USEC, (char**) argv);
2724 trim_generator_dir(m, &m->generator_unit_path);
2725 trim_generator_dir(m, &m->generator_unit_path_early);
2726 trim_generator_dir(m, &m->generator_unit_path_late);
2729 static void remove_generator_dir(Manager *m, char **generator) {
2736 strv_remove(m->lookup_paths.unit_path, *generator);
2737 rm_rf(*generator, false, true, false);
2743 void manager_undo_generators(Manager *m) {
2746 remove_generator_dir(m, &m->generator_unit_path);
2747 remove_generator_dir(m, &m->generator_unit_path_early);
2748 remove_generator_dir(m, &m->generator_unit_path_late);
2751 int manager_environment_add(Manager *m, char **minus, char **plus) {
2752 char **a = NULL, **b = NULL, **l;
2757 if (!strv_isempty(minus)) {
2758 a = strv_env_delete(l, 1, minus);
2765 if (!strv_isempty(plus)) {
2766 b = strv_env_merge(2, l, plus);
2775 if (m->environment != l)
2776 strv_free(m->environment);
2783 manager_clean_environment(m);
2784 strv_sort(m->environment);
2789 int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) {
2794 for (i = 0; i < _RLIMIT_MAX; i++) {
2795 if (!default_rlimit[i])
2798 m->rlimit[i] = newdup(struct rlimit, default_rlimit[i], 1);
2806 void manager_recheck_journal(Manager *m) {
2811 if (m->running_as != SYSTEMD_SYSTEM)
2814 u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET);
2815 if (u && SOCKET(u)->state != SOCKET_RUNNING) {
2816 log_close_journal();
2820 u = manager_get_unit(m, SPECIAL_JOURNALD_SERVICE);
2821 if (u && SERVICE(u)->state != SERVICE_RUNNING) {
2822 log_close_journal();
2826 /* Hmm, OK, so the socket is fully up and the service is up
2827 * too, then let's make use of the thing. */
2831 void manager_set_show_status(Manager *m, ShowStatus mode) {
2833 assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY));
2835 if (m->running_as != SYSTEMD_SYSTEM)
2838 m->show_status = mode;
2841 touch("/run/systemd/show-status");
2843 unlink("/run/systemd/show-status");
2846 static bool manager_get_show_status(Manager *m) {
2849 if (m->running_as != SYSTEMD_SYSTEM)
2852 if (m->no_console_output)
2855 if (!IN_SET(manager_state(m), MANAGER_INITIALIZING, MANAGER_STARTING, MANAGER_STOPPING))
2858 if (m->show_status > 0)
2861 /* If Plymouth is running make sure we show the status, so
2862 * that there's something nice to see when people press Esc */
2864 return plymouth_running();
2867 void manager_set_first_boot(Manager *m, bool b) {
2870 if (m->running_as != SYSTEMD_SYSTEM)
2876 touch("/run/systemd/first-boot");
2878 unlink("/run/systemd/first-boot");
2881 void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) {
2884 if (!manager_get_show_status(m))
2887 /* XXX We should totally drop the check for ephemeral here
2888 * and thus effectively make 'Type=idle' pointless. */
2889 if (ephemeral && m->n_on_console > 0)
2892 va_start(ap, format);
2893 status_vprintf(status, true, ephemeral, format, ap);
2897 int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found) {
2898 _cleanup_free_ char *p = NULL;
2906 p = unit_name_from_path(path, suffix);
2910 found = manager_get_unit(m, p);
2920 Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) {
2921 char p[strlen(path)+1];
2927 path_kill_slashes(p);
2929 return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p);
2932 const char *manager_get_runtime_prefix(Manager *m) {
2935 return m->running_as == SYSTEMD_SYSTEM ?
2937 getenv("XDG_RUNTIME_DIR");
2940 ManagerState manager_state(Manager *m) {
2945 /* Did we ever finish booting? If not then we are still starting up */
2946 if (!dual_timestamp_is_set(&m->finish_timestamp)) {
2948 u = manager_get_unit(m, SPECIAL_BASIC_TARGET);
2949 if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u)))
2950 return MANAGER_INITIALIZING;
2952 return MANAGER_STARTING;
2955 /* Is the special shutdown target queued? If so, we are in shutdown state */
2956 u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
2957 if (u && u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))
2958 return MANAGER_STOPPING;
2960 /* Are the rescue or emergency targets active or queued? If so we are in maintenance state */
2961 u = manager_get_unit(m, SPECIAL_RESCUE_TARGET);
2962 if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
2963 (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))))
2964 return MANAGER_MAINTENANCE;
2966 u = manager_get_unit(m, SPECIAL_EMERGENCY_TARGET);
2967 if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
2968 (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))))
2969 return MANAGER_MAINTENANCE;
2971 /* Are there any failed units? If so, we are in degraded mode */
2972 if (set_size(m->failed_units) > 0)
2973 return MANAGER_DEGRADED;
2975 return MANAGER_RUNNING;
2978 static const char *const manager_state_table[_MANAGER_STATE_MAX] = {
2979 [MANAGER_INITIALIZING] = "initializing",
2980 [MANAGER_STARTING] = "starting",
2981 [MANAGER_RUNNING] = "running",
2982 [MANAGER_DEGRADED] = "degraded",
2983 [MANAGER_MAINTENANCE] = "maintenance",
2984 [MANAGER_STOPPING] = "stopping",
2987 DEFINE_STRING_TABLE_LOOKUP(manager_state, ManagerState);