#include "special.h"
#include "bus-errors.h"
#include "exit-status.h"
+#include "sd-daemon.h"
/* As soon as 16 units are in our GC queue, make sure to run a gc sweep */
#define GC_QUEUE_ENTRIES_MAX 16
#define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC)
/* Where clients shall send notification messages to */
-#define NOTIFY_SOCKET "/org/freedesktop/systemd1/notify"
+#define NOTIFY_SOCKET_SYSTEM "/run/systemd/notify"
+#define NOTIFY_SOCKET_USER "@/org/freedesktop/systemd1/notify"
static int manager_setup_notify(Manager *m) {
union {
struct sockaddr_un un;
} sa;
struct epoll_event ev;
- int one = 1;
+ int one = 1, r;
+ mode_t u;
assert(m);
sa.sa.sa_family = AF_UNIX;
if (getpid() != 1)
- snprintf(sa.un.sun_path+1, sizeof(sa.un.sun_path)-1, NOTIFY_SOCKET "/%llu", random_ull());
- else
- strncpy(sa.un.sun_path+1, NOTIFY_SOCKET, sizeof(sa.un.sun_path)-1);
+ snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET_USER "/%llu", random_ull());
+ else {
+ unlink(NOTIFY_SOCKET_SYSTEM);
+ strncpy(sa.un.sun_path, NOTIFY_SOCKET_SYSTEM, sizeof(sa.un.sun_path));
+ }
+
+ if (sa.un.sun_path[0] == '@')
+ sa.un.sun_path[0] = 0;
+
+ u = umask(0111);
+ r = bind(m->notify_watch.fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1));
+ umask(u);
- if (bind(m->notify_watch.fd, &sa.sa, sizeof(sa_family_t) + 1 + strlen(sa.un.sun_path+1)) < 0) {
+ if (r < 0) {
log_error("bind() failed: %m");
return -errno;
}
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->notify_watch.fd, &ev) < 0)
return -errno;
- if (!(m->notify_socket = strdup(sa.un.sun_path+1)))
+ if (sa.un.sun_path[0] == 0)
+ sa.un.sun_path[0] = '@';
+
+ if (!(m->notify_socket = strdup(sa.un.sun_path)))
return -ENOMEM;
log_debug("Using notification socket %s", m->notify_socket);
}
static int enable_special_signals(Manager *m) {
- char fd;
+ int fd;
assert(m);
if (reboot(RB_DISABLE_CAD) < 0)
log_warning("Failed to enable ctrl-alt-del handling: %m");
- if ((fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY)) < 0)
+ if ((fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC)) < 0)
log_warning("Failed to open /dev/tty0: %m");
else {
/* Enable that we get SIGWINCH on kbrequest */
SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */
SIGPWR, /* Some kernel drivers and upsd send us this on power failure */
SIGRTMIN+0, /* systemd: start default.target */
- SIGRTMIN+1, /* systemd: start rescue.target */
+ SIGRTMIN+1, /* systemd: isolate rescue.target */
SIGRTMIN+2, /* systemd: isolate emergency.target */
SIGRTMIN+3, /* systemd: start halt.target */
SIGRTMIN+4, /* systemd: start poweroff.target */
SIGRTMIN+5, /* systemd: start reboot.target */
+ SIGRTMIN+6, /* systemd: start kexec.target */
+ SIGRTMIN+13, /* systemd: Immediate halt */
+ SIGRTMIN+14, /* systemd: Immediate poweroff */
+ SIGRTMIN+15, /* systemd: Immediate reboot */
+ SIGRTMIN+16, /* systemd: Immediate kexec */
+ SIGRTMIN+20, /* systemd: enable status messages */
+ SIGRTMIN+21, /* systemd: disable status messages */
+ SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */
+ SIGRTMIN+23, /* systemd: set log level to LOG_INFO */
+ SIGRTMIN+27, /* systemd: set log target to console */
+ SIGRTMIN+28, /* systemd: set log target to kmsg */
+ SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg */
-1);
assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
m->audit_fd = -1;
#endif
- m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = -1;
+ m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = m->swap_watch.fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
if (!(m->environment = strv_copy(environ)))
goto fail;
+ if (!(m->default_controllers = strv_new("cpu", NULL)))
+ goto fail;
+
if (!(m->units = hashmap_new(string_hash_func, string_compare_func)))
goto fail;
if ((m->epoll_fd = epoll_create1(EPOLL_CLOEXEC)) < 0)
goto fail;
- if ((r = lookup_paths_init(&m->lookup_paths, m->running_as)) < 0)
+ if ((r = lookup_paths_init(&m->lookup_paths, m->running_as, true)) < 0)
goto fail;
if ((r = manager_setup_signals(m)) < 0)
goto fail;
/* Try to connect to the busses, if possible. */
- if ((r = bus_init(m)) < 0)
+ if ((r = bus_init(m, running_as != MANAGER_SYSTEM)) < 0)
goto fail;
#ifdef HAVE_AUDIT
log_error("Failed to connect to audit log: %m");
#endif
+ m->taint_usr = dir_is_empty("/usr") > 0;
+
*_m = m;
return 0;
}
enum {
- GC_OFFSET_IN_PATH, /* This one is on the path we were travelling */
+ GC_OFFSET_IN_PATH, /* This one is on the path we were traveling */
GC_OFFSET_UNSURE, /* No clue */
GC_OFFSET_GOOD, /* We still need this unit */
GC_OFFSET_BAD, /* We don't need this unit anymore */
* around */
manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
+ manager_undo_generators(m);
+
bus_done(m);
hashmap_free(m->units);
#endif
free(m->notify_socket);
- free(m->console);
lookup_paths_free(&m->lookup_paths);
strv_free(m->environment);
+ strv_free(m->default_controllers);
+
hashmap_free(m->cgroup_bondings);
set_free_free(m->unit_path_cache);
if (ignore_file(de->d_name))
continue;
- if (asprintf(&p, "%s/%s", streq(*i, "/") ? "" : *i, de->d_name) < 0) {
+ p = join(streq(*i, "/") ? "" : *i, "/", de->d_name, NULL);
+ if (!p) {
r = -ENOMEM;
goto fail;
}
assert(m);
+ manager_run_generators(m);
+
manager_build_unit_path_cache(m);
/* If we will deserialize make sure that during enumeration
* this is already known, so we increase the counter here
* already */
if (serialization)
- m->n_deserializing ++;
+ m->n_reloading ++;
/* First, enumerate what we can from all config files */
r = manager_enumerate(m);
r = q;
if (serialization) {
- assert(m->n_deserializing > 0);
- m->n_deserializing --;
+ assert(m->n_reloading > 0);
+ m->n_reloading --;
}
return r;
/* Tries to delete one item in the linked list
* j->transaction_next->transaction_next->... that conflicts
- * whith another one, in an attempt to make an inconsistent
+ * with another one, in an attempt to make an inconsistent
* transaction work. */
/* We rely here on the fact that if a merged with b does not
transaction_merge_and_delete_job(m, j, k, t);
}
+ if (j->unit->meta.job && !j->installed)
+ transaction_merge_and_delete_job(m, j, j->unit->meta.job, t);
+
assert(!j->transaction_next);
assert(!j->transaction_prev);
}
LIST_FOREACH(transaction, k, j) {
if (!job_is_anchor(k) &&
- job_type_is_redundant(k->type, unit_active_state(k->unit)))
+ (k->installed || job_type_is_redundant(k->type, unit_active_state(k->unit))) &&
+ (!k->unit->meta.job || !job_type_is_conflicting(k->type, k->unit->meta.job->type)))
continue;
changes_something = true;
if (changes_something)
continue;
- log_debug("Found redundant job %s/%s, dropping.", j->unit->meta.id, job_type_to_string(j->type));
+ /* log_debug("Found redundant job %s/%s, dropping.", j->unit->meta.id, job_type_to_string(j->type)); */
transaction_delete_job(m, j, false);
again = true;
break;
if (delete) {
- log_warning("Breaking ordering cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type));
+ log_warning("Breaking ordering cycle by deleting job %s/%s", delete->unit->meta.id, job_type_to_string(delete->type));
transaction_delete_unit(m, delete->unit);
return -EAGAIN;
}
again = false;
HASHMAP_FOREACH(j, m->transaction_jobs, i) {
- if (j->object_list)
+ if (j->object_list) {
+ /* log_debug("Keeping job %s/%s because of %s/%s", */
+ /* j->unit->meta.id, job_type_to_string(j->type), */
+ /* j->object_list->subject ? j->object_list->subject->unit->meta.id : "root", */
+ /* j->object_list->subject ? job_type_to_string(j->object_list->subject->type) : "root"); */
continue;
+ }
- log_debug("Garbage collecting job %s/%s", j->unit->meta.id, job_type_to_string(j->type));
+ /* log_debug("Garbage collecting job %s/%s", j->unit->meta.id, job_type_to_string(j->type)); */
transaction_delete_job(m, j, true);
again = true;
break;
j->type == JOB_STOP && UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(j->unit));
changes_existing_job =
- j->unit->meta.job && job_type_is_conflicting(j->type, j->unit->meta.job->type);
+ j->unit->meta.job &&
+ job_type_is_conflicting(j->type, j->unit->meta.job->type);
if (!stops_running_service && !changes_existing_job)
continue;
if (stops_running_service)
- log_info("%s/%s would stop a running service.", j->unit->meta.id, job_type_to_string(j->type));
+ log_debug("%s/%s would stop a running service.", j->unit->meta.id, job_type_to_string(j->type));
if (changes_existing_job)
- log_info("%s/%s would change existing job.", j->unit->meta.id, job_type_to_string(j->type));
+ log_debug("%s/%s would change existing job.", j->unit->meta.id, job_type_to_string(j->type));
/* Ok, let's get rid of this */
- log_info("Deleting %s/%s to minimize impact.", j->unit->meta.id, job_type_to_string(j->type));
+ log_debug("Deleting %s/%s to minimize impact.", j->unit->meta.id, job_type_to_string(j->type));
transaction_delete_job(m, j, true);
again = true;
} while (again);
}
-static int transaction_apply(Manager *m) {
+static int transaction_apply(Manager *m, JobMode mode) {
Iterator i;
Job *j;
int r;
/* Moves the transaction jobs to the set of active jobs */
+ if (mode == JOB_ISOLATE) {
+
+ /* When isolating first kill all installed jobs which
+ * aren't part of the new transaction */
+ HASHMAP_FOREACH(j, m->jobs, i) {
+ assert(j->installed);
+
+ if (hashmap_get(m->transaction_jobs, j->unit))
+ continue;
+
+ job_finish_and_invalidate(j, JOB_CANCELED);
+ }
+ }
+
HASHMAP_FOREACH(j, m->transaction_jobs, i) {
/* Assume merged */
assert(!j->transaction_prev);
}
while ((j = hashmap_steal_first(m->transaction_jobs))) {
- if (j->installed)
+ if (j->installed) {
+ /* log_debug("Skipping already installed job %s/%s as %u", j->unit->meta.id, job_type_to_string(j->type), (unsigned) j->id); */
continue;
+ }
if (j->unit->meta.job)
job_free(j->unit->meta.job);
j->unit->meta.job = j;
j->installed = true;
+ m->n_installed_jobs ++;
/* We're fully installed. Now let's free data we don't
* need anymore. */
job_add_to_run_queue(j);
job_add_to_dbus_queue(j);
job_start_timer(j);
+
+ log_debug("Installed new job %s/%s as %u", j->unit->meta.id, job_type_to_string(j->type), (unsigned) j->id);
}
/* As last step, kill all remaining job dependencies. */
/* Second step: Try not to stop any running services if
* we don't have to. Don't try to reverse running
* jobs if we don't have to. */
- if (mode != JOB_ISOLATE)
+ if (mode == JOB_FAIL)
transaction_minimize_impact(m);
/* Third step: Drop redundant jobs */
for (;;) {
/* Fourth step: Let's remove unneeded jobs that might
* be lurking. */
- transaction_collect_garbage(m);
+ if (mode != JOB_ISOLATE)
+ transaction_collect_garbage(m);
/* Fifth step: verify order makes sense and correct
* cycles if necessary and possible */
break;
if (r != -EAGAIN) {
- log_warning("Requested transaction contains unmergable jobs: %s", bus_error(e, r));
+ log_warning("Requested transaction contains unmergeable jobs: %s", bus_error(e, r));
goto rollback;
}
/* Seventh step: an entry got dropped, let's garbage
* collect its dependencies. */
- transaction_collect_garbage(m);
+ if (mode != JOB_ISOLATE)
+ transaction_collect_garbage(m);
/* Let's see if the resulting transaction still has
* unmergeable entries ... */
}
/* Tenth step: apply changes */
- if ((r = transaction_apply(m)) < 0) {
+ if ((r = transaction_apply(m, mode)) < 0) {
log_warning("Failed to apply transaction: %s", strerror(-r));
goto rollback;
}
assert(m);
assert(unit);
- /* Looks for an axisting prospective job and returns that. If
+ /* Looks for an existing prospective job and returns that. If
* it doesn't exist it is created and added to the prospective
* jobs list. */
if (is_new)
*is_new = true;
- log_debug("Added job %s/%s to transaction.", unit->meta.id, job_type_to_string(type));
+ /* log_debug("Added job %s/%s to transaction.", unit->meta.id, job_type_to_string(type)); */
return j;
}
bool matters,
bool override,
bool conflicts,
+ bool ignore_requirements,
+ bool ignore_order,
DBusError *e,
Job **_ret) {
Job *ret;
assert(type < _JOB_TYPE_MAX);
assert(unit);
- if (unit->meta.load_state != UNIT_LOADED && unit->meta.load_state != UNIT_ERROR) {
+ /* log_debug("Pulling in %s/%s from %s/%s", */
+ /* unit->meta.id, job_type_to_string(type), */
+ /* by ? by->unit->meta.id : "NA", */
+ /* by ? job_type_to_string(by->type) : "NA"); */
+
+ if (unit->meta.load_state != UNIT_LOADED &&
+ unit->meta.load_state != UNIT_ERROR &&
+ unit->meta.load_state != UNIT_MASKED) {
dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s is not loaded properly.", unit->meta.id);
return -EINVAL;
}
if (type != JOB_STOP && unit->meta.load_state == UNIT_ERROR) {
- dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s failed to load: %s. You might find more information in the system logs.",
+ dbus_set_error(e, BUS_ERROR_LOAD_FAILED,
+ "Unit %s failed to load: %s. "
+ "See system logs and 'systemctl status %s' for details.",
unit->meta.id,
- strerror(-unit->meta.load_error));
+ strerror(-unit->meta.load_error),
+ unit->meta.id);
+ return -EINVAL;
+ }
+
+ if (type != JOB_STOP && unit->meta.load_state == UNIT_MASKED) {
+ dbus_set_error(e, BUS_ERROR_MASKED, "Unit %s is masked.", unit->meta.id);
return -EINVAL;
}
if (!(ret = transaction_add_one_job(m, type, unit, override, &is_new)))
return -ENOMEM;
+ ret->ignore_order = ret->ignore_order || ignore_order;
+
/* Then, add a link to the job. */
if (!job_dependency_new(by, ret, matters, conflicts))
return -ENOMEM;
- if (is_new) {
+ if (is_new && !ignore_requirements) {
+ Set *following;
+
+ /* If we are following some other unit, make sure we
+ * add all dependencies of everybody following. */
+ if (unit_following_set(ret->unit, &following) > 0) {
+ SET_FOREACH(dep, following, i)
+ if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, false, override, false, false, ignore_order, e, NULL)) < 0) {
+ log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
+
+ if (e)
+ dbus_error_free(e);
+ }
+
+ set_free(following);
+ }
+
/* Finally, recursively add in all dependencies. */
if (type == JOB_START || type == JOB_RELOAD_OR_START) {
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
- goto fail;
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
+
+ SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BIND_TO], i)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
+
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, false, ignore_order, e, NULL)) < 0) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
if (e)
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, false, ignore_order, e, NULL)) < 0) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
if (e)
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
- goto fail;
+ if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
+
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, false, ignore_order, e, NULL)) < 0) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
if (e)
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, e, NULL)) < 0 && r != -EBADR)
- goto fail;
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, false, ignore_order, e, NULL)) < 0) {
+
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTED_BY], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
- goto fail;
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, false, override, false, false, ignore_order, e, NULL)) < 0) {
+ log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
+
+ if (e)
+ dbus_error_free(e);
+ }
} else if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i)
- if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
- goto fail;
+ if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
+
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
+
+ SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BOUND_BY], i)
+ if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
+
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
}
/* JOB_VERIFY_STARTED, JOB_RELOAD require no dependency handling */
if (u->meta.id != k)
continue;
- if (UNIT_VTABLE(u)->no_isolate)
+ if (u->meta.ignore_on_isolate)
continue;
/* No need to stop inactive jobs */
- if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u)))
+ if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u)) && !u->meta.job)
continue;
/* Is there already something listed for this? */
if (hashmap_get(m->transaction_jobs, u))
continue;
- if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, NULL, NULL)) < 0)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, false, false, NULL, NULL)) < 0)
log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->meta.id, strerror(-r));
}
return -EPERM;
}
- log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type));
+ log_debug("Trying to enqueue job %s/%s/%s", unit->meta.id, job_type_to_string(type), job_mode_to_string(mode));
- if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, e, &ret)) < 0) {
+ if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false,
+ mode == JOB_IGNORE_DEPENDENCIES || mode == JOB_IGNORE_REQUIREMENTS,
+ mode == JOB_IGNORE_DEPENDENCIES, e, &ret)) < 0) {
transaction_abort(m);
return r;
}
if (!name)
name = file_name_from_path(path);
- if (!unit_name_is_valid(name)) {
+ if (!unit_name_is_valid(name, false)) {
dbus_set_error(e, BUS_ERROR_INVALID_NAME, "Unit name %s is not valid.", name);
return -EINVAL;
}
transaction_abort(m);
while ((j = hashmap_first(m->jobs)))
- job_free(j);
+ job_finish_and_invalidate(j, JOB_CANCELED);
}
unsigned manager_dispatch_run_queue(Manager *m) {
dbus_error_init(&error);
- log_info("Activating special unit %s", name);
+ log_debug("Activating special unit %s", name);
if ((r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL)) < 0)
log_error("Failed to enqueue %s job: %s", name, bus_error(&error, r));
return -errno;
}
- log_debug("Received SIG%s", strna(signal_to_string(sfsi.ssi_signo)));
+ if (sfsi.ssi_pid > 0) {
+ char *p = NULL;
+
+ get_process_name(sfsi.ssi_pid, &p);
+
+ log_debug("Received SIG%s from PID %lu (%s).",
+ strna(signal_to_string(sfsi.ssi_signo)),
+ (unsigned long) sfsi.ssi_pid, strna(p));
+ free(p);
+ } else
+ log_debug("Received SIG%s.", strna(signal_to_string(sfsi.ssi_signo)));
switch (sfsi.ssi_signo) {
}
/* Run the exit target if there is one, if not, just exit. */
- if (manager_start_target(m, SPECIAL_EXIT_SERVICE, JOB_REPLACE) < 0) {
+ if (manager_start_target(m, SPECIAL_EXIT_TARGET, JOB_REPLACE) < 0) {
m->exit_code = MANAGER_EXIT;
return 0;
}
if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) {
log_info("Trying to reconnect to bus...");
- bus_init(m);
+ bus_init(m, true);
}
if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) {
break;
default: {
- static const char * const table[] = {
+
+ /* Starting SIGRTMIN+0 */
+ static const char * const target_table[] = {
[0] = SPECIAL_DEFAULT_TARGET,
[1] = SPECIAL_RESCUE_TARGET,
[2] = SPECIAL_EMERGENCY_TARGET,
[3] = SPECIAL_HALT_TARGET,
[4] = SPECIAL_POWEROFF_TARGET,
- [5] = SPECIAL_REBOOT_TARGET
+ [5] = SPECIAL_REBOOT_TARGET,
+ [6] = SPECIAL_KEXEC_TARGET
+ };
+
+ /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */
+ static const ManagerExitCode code_table[] = {
+ [0] = MANAGER_HALT,
+ [1] = MANAGER_POWEROFF,
+ [2] = MANAGER_REBOOT,
+ [3] = MANAGER_KEXEC
};
if ((int) sfsi.ssi_signo >= SIGRTMIN+0 &&
- (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(table)) {
- manager_start_target(m, table[sfsi.ssi_signo - SIGRTMIN],
+ (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) {
+ manager_start_target(m, target_table[sfsi.ssi_signo - SIGRTMIN],
(sfsi.ssi_signo == 1 || sfsi.ssi_signo == 2) ? JOB_ISOLATE : JOB_REPLACE);
break;
}
- log_warning("Got unhandled signal <%s>.", strna(signal_to_string(sfsi.ssi_signo)));
+ if ((int) sfsi.ssi_signo >= SIGRTMIN+13 &&
+ (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(code_table)) {
+ m->exit_code = code_table[sfsi.ssi_signo - SIGRTMIN - 13];
+ break;
+ }
+
+ switch (sfsi.ssi_signo - SIGRTMIN) {
+
+ case 20:
+ log_debug("Enabling showing of status.");
+ manager_set_show_status(m, true);
+ break;
+
+ case 21:
+ log_debug("Disabling showing of status.");
+ manager_set_show_status(m, false);
+ break;
+
+ case 22:
+ log_set_max_level(LOG_DEBUG);
+ log_notice("Setting log level to debug.");
+ break;
+
+ case 23:
+ log_set_max_level(LOG_INFO);
+ log_notice("Setting log level to info.");
+ break;
+
+ case 27:
+ log_set_target(LOG_TARGET_CONSOLE);
+ log_notice("Setting log target to console.");
+ break;
+
+ case 28:
+ log_set_target(LOG_TARGET_KMSG);
+ log_notice("Setting log target to kmsg.");
+ break;
+
+ case 29:
+ log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+ log_notice("Setting log target to syslog-or-kmsg.");
+ break;
+
+ default:
+ log_warning("Got unhandled signal <%s>.", strna(signal_to_string(sfsi.ssi_signo)));
+ }
}
}
}
assert(m);
assert(ev);
- assert(w = ev->data.ptr);
+ assert_se(w = ev->data.ptr);
+
+ if (w->type == WATCH_INVALID)
+ return 0;
switch (w->type) {
mount_fd_event(m, ev->events);
break;
+ case WATCH_SWAP:
+ /* Some swap table change, intended for the swap subsystem */
+ swap_fd_event(m, ev->events);
+ break;
+
case WATCH_UDEV:
/* Some notification from udev, intended for the device subsystem */
device_fd_event(m, ev->events);
break;
default:
+ log_error("event type=%i", w->type);
assert_not_reached("Unknown epoll event type.");
}
int manager_loop(Manager *m) {
int r;
- RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 1000);
+ RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000);
assert(m);
m->exit_code = MANAGER_RUNNING;
set_free_free(m->unit_path_cache);
m->unit_path_cache = NULL;
+ manager_check_finished(m);
+
/* There might still be some zombies hanging around from
* before we were exec()'ed. Leat's reap them */
if ((r = manager_dispatch_sigchld(m)) < 0)
if (manager_dispatch_dbus_queue(m) > 0)
continue;
+ if (swap_dispatch_reload(m) > 0)
+ continue;
+
if ((n = epoll_wait(m->epoll_fd, &event, 1, -1)) < 0) {
if (errno == EINTR)
/* Don't generate audit events if the service was already
* started and we're just deserializing */
- if (m->n_deserializing > 0)
+ if (m->n_reloading > 0)
+ return;
+
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
+
+ if (u->meta.type != UNIT_SERVICE)
return;
if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) {
return;
}
- if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0)
- log_error("Failed to send audit message: %m");
+ if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) {
+ log_warning("Failed to send audit message: %m");
+
+ if (errno == EPERM) {
+ /* We aren't allowed to send audit messages?
+ * Then let's not retry again, to avoid
+ * spamming the user with the same and same
+ * messages over and over. */
+
+ audit_close(m->audit_fd);
+ m->audit_fd = -1;
+ }
+ }
free(p);
#endif
}
+void manager_send_unit_plymouth(Manager *m, Unit *u) {
+ int fd = -1;
+ union sockaddr_union sa;
+ int n = 0;
+ char *message = NULL;
+
+ /* Don't generate plymouth events if the service was already
+ * started and we're just deserializing */
+ if (m->n_reloading > 0)
+ return;
+
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
+
+ if (u->meta.type != UNIT_SERVICE &&
+ u->meta.type != UNIT_MOUNT &&
+ u->meta.type != UNIT_SWAP)
+ return;
+
+ /* We set SOCK_NONBLOCK here so that we rather drop the
+ * message then wait for plymouth */
+ if ((fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0)) < 0) {
+ log_error("socket() failed: %m");
+ return;
+ }
+
+ zero(sa);
+ sa.sa.sa_family = AF_UNIX;
+ strncpy(sa.un.sun_path+1, "/org/freedesktop/plymouthd", sizeof(sa.un.sun_path)-1);
+ if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
+
+ if (errno != EPIPE &&
+ errno != EAGAIN &&
+ errno != ENOENT &&
+ errno != ECONNREFUSED &&
+ errno != ECONNRESET &&
+ errno != ECONNABORTED)
+ log_error("connect() failed: %m");
+
+ goto finish;
+ }
+
+ if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->meta.id) + 1), u->meta.id, &n) < 0) {
+ log_error("Out of memory");
+ goto finish;
+ }
+
+ errno = 0;
+ if (write(fd, message, n + 1) != n + 1) {
+
+ if (errno != EPIPE &&
+ errno != EAGAIN &&
+ errno != ENOENT &&
+ errno != ECONNREFUSED &&
+ errno != ECONNRESET &&
+ errno != ECONNABORTED)
+ log_error("Failed to write Plymouth message: %m");
+
+ goto finish;
+ }
+
+finish:
+ if (fd >= 0)
+ close_nointr_nofail(fd);
+
+ free(message);
+}
+
void manager_dispatch_bus_name_owner_changed(
Manager *m,
const char *name,
}
int manager_open_serialization(Manager *m, FILE **_f) {
- char *path;
+ char *path = NULL;
mode_t saved_umask;
int fd;
FILE *f;
assert(_f);
- if (m->running_as == MANAGER_SYSTEM) {
- mkdir_p("/dev/.systemd", 0755);
+ if (m->running_as == MANAGER_SYSTEM)
+ asprintf(&path, "/run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid());
+ else
+ asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid());
- if (asprintf(&path, "/dev/.systemd/dump-%lu-XXXXXX", (unsigned long) getpid()) < 0)
- return -ENOMEM;
- } else {
- if (asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid()) < 0)
- return -ENOMEM;
- }
+ if (!path)
+ return -ENOMEM;
saved_umask = umask(0077);
fd = mkostemp(path, O_RDWR|O_CLOEXEC);
log_debug("Serializing state to %s", path);
free(path);
- if (!(f = fdopen(fd, "w+")) < 0)
+ if (!(f = fdopen(fd, "w+")))
return -errno;
*_f = f;
assert(f);
assert(fds);
- fprintf(f, "startup-timestamp=%llu %llu\n\n",
- (unsigned long long) m->startup_timestamp.realtime,
- (unsigned long long) m->startup_timestamp.monotonic);
+ m->n_reloading ++;
+
+ fprintf(f, "current-job-id=%i\n", m->current_job_id);
+ fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr));
+
+ dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp);
+ dual_timestamp_serialize(f, "startup-timestamp", &m->startup_timestamp);
+ dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
+
+ fputc('\n', f);
HASHMAP_FOREACH_KEY(u, t, m->units, i) {
if (u->meta.id != t)
fputs(u->meta.id, f);
fputc('\n', f);
- if ((r = unit_serialize(u, f, fds)) < 0)
+ if ((r = unit_serialize(u, f, fds)) < 0) {
+ m->n_reloading --;
return r;
+ }
}
+ assert(m->n_reloading > 0);
+ m->n_reloading --;
+
if (ferror(f))
return -EIO;
+ r = bus_fdset_add_all(m, fds);
+ if (r < 0)
+ return r;
+
return 0;
}
log_debug("Deserializing state...");
- m->n_deserializing ++;
+ m->n_reloading ++;
for (;;) {
- char line[1024], *l;
+ char line[LINE_MAX], *l;
if (!fgets(line, sizeof(line), f)) {
if (feof(f))
if (l[0] == 0)
break;
- if (startswith(l, "startup-timestamp=")) {
- unsigned long long a, b;
+ if (startswith(l, "current-job-id=")) {
+ uint32_t id;
- if (sscanf(l+18, "%lli %llu", &a, &b) != 2)
- log_debug("Failed to parse startup timestamp value %s", l+18);
- else {
- m->startup_timestamp.realtime = a;
- m->startup_timestamp.monotonic = b;
- }
- } else
+ if (safe_atou32(l+15, &id) < 0)
+ log_debug("Failed to parse current job id value %s", l+15);
+ else
+ m->current_job_id = MAX(m->current_job_id, id);
+ } else if (startswith(l, "taint-usr=")) {
+ int b;
+
+ if ((b = parse_boolean(l+10)) < 0)
+ log_debug("Failed to parse taint /usr flag %s", l+10);
+ else
+ m->taint_usr = m->taint_usr || b;
+ } else if (startswith(l, "initrd-timestamp="))
+ dual_timestamp_deserialize(l+17, &m->initrd_timestamp);
+ else if (startswith(l, "startup-timestamp="))
+ dual_timestamp_deserialize(l+18, &m->startup_timestamp);
+ else if (startswith(l, "finish-timestamp="))
+ dual_timestamp_deserialize(l+17, &m->finish_timestamp);
+ else
log_debug("Unknown serialization item '%s'", l);
}
goto finish;
}
- assert(m->n_deserializing > 0);
- m->n_deserializing --;
+ assert(m->n_reloading > 0);
+ m->n_reloading --;
return r;
}
if ((r = manager_open_serialization(m, &f)) < 0)
return r;
+ m->n_reloading ++;
+
if (!(fds = fdset_new())) {
+ m->n_reloading --;
r = -ENOMEM;
goto finish;
}
- if ((r = manager_serialize(m, f, fds)) < 0)
+ if ((r = manager_serialize(m, f, fds)) < 0) {
+ m->n_reloading --;
goto finish;
+ }
if (fseeko(f, 0, SEEK_SET) < 0) {
+ m->n_reloading --;
r = -errno;
goto finish;
}
/* From here on there is no way back. */
manager_clear_jobs_and_units(m);
+ manager_undo_generators(m);
/* Find new unit paths */
lookup_paths_free(&m->lookup_paths);
- if ((q = lookup_paths_init(&m->lookup_paths, m->running_as)) < 0)
+ if ((q = lookup_paths_init(&m->lookup_paths, m->running_as, true)) < 0)
r = q;
- m->n_deserializing ++;
+ manager_run_generators(m);
+
+ manager_build_unit_path_cache(m);
/* First, enumerate what we can from all config files */
if ((q = manager_enumerate(m)) < 0)
if ((q = manager_coldplug(m)) < 0)
r = q;
- assert(m->n_deserializing > 0);
- m->n_deserializing ++;
+ assert(m->n_reloading > 0);
+ m->n_reloading--;
finish:
if (f)
return true;
/* Is there a job for the shutdown target? */
- if (((u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET))))
+ u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
+ if (u)
return !!u->meta.job;
return false;
unit_reset_failed(u);
}
-int manager_set_console(Manager *m, const char *console) {
- char *c;
+bool manager_unit_pending_inactive(Manager *m, const char *name) {
+ Unit *u;
+
+ assert(m);
+ assert(name);
+
+ /* Returns true if the unit is inactive or going down */
+ if (!(u = manager_get_unit(m, name)))
+ return true;
+
+ return unit_pending_inactive(u);
+}
+
+void manager_check_finished(Manager *m) {
+ char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
+ usec_t kernel_usec = 0, initrd_usec = 0, userspace_usec = 0, total_usec = 0;
assert(m);
- if (!(c = strdup(console)))
- return -ENOMEM;
+ if (dual_timestamp_is_set(&m->finish_timestamp))
+ return;
+
+ if (hashmap_size(m->jobs) > 0)
+ return;
+
+ dual_timestamp_get(&m->finish_timestamp);
+
+ if (m->running_as == MANAGER_SYSTEM && detect_container(NULL) <= 0) {
+
+ userspace_usec = m->finish_timestamp.monotonic - m->startup_timestamp.monotonic;
+ total_usec = m->finish_timestamp.monotonic;
+
+ if (dual_timestamp_is_set(&m->initrd_timestamp)) {
+
+ kernel_usec = m->initrd_timestamp.monotonic;
+ initrd_usec = m->startup_timestamp.monotonic - m->initrd_timestamp.monotonic;
+
+ log_info("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
+ format_timespan(kernel, sizeof(kernel), kernel_usec),
+ format_timespan(initrd, sizeof(initrd), initrd_usec),
+ format_timespan(userspace, sizeof(userspace), userspace_usec),
+ format_timespan(sum, sizeof(sum), total_usec));
+ } else {
+ kernel_usec = m->startup_timestamp.monotonic;
+ initrd_usec = 0;
+
+ log_info("Startup finished in %s (kernel) + %s (userspace) = %s.",
+ format_timespan(kernel, sizeof(kernel), kernel_usec),
+ format_timespan(userspace, sizeof(userspace), userspace_usec),
+ format_timespan(sum, sizeof(sum), total_usec));
+ }
+ } else {
+ userspace_usec = initrd_usec = kernel_usec = 0;
+ total_usec = m->finish_timestamp.monotonic - m->startup_timestamp.monotonic;
+
+ log_debug("Startup finished in %s.",
+ format_timespan(sum, sizeof(sum), total_usec));
+ }
+
+ bus_broadcast_finished(m, kernel_usec, initrd_usec, userspace_usec, total_usec);
+
+ sd_notifyf(false,
+ "READY=1\nSTATUS=Startup finished in %s.",
+ format_timespan(sum, sizeof(sum), total_usec));
+}
+
+void manager_run_generators(Manager *m) {
+ DIR *d = NULL;
+ const char *generator_path;
+ const char *argv[3];
+ mode_t u;
+
+ assert(m);
+
+ generator_path = m->running_as == MANAGER_SYSTEM ? SYSTEM_GENERATOR_PATH : USER_GENERATOR_PATH;
+ if (!(d = opendir(generator_path))) {
+
+ if (errno == ENOENT)
+ return;
+
+ log_error("Failed to enumerate generator directory: %m");
+ return;
+ }
+
+ if (!m->generator_unit_path) {
+ const char *p;
+ char user_path[] = "/tmp/systemd-generator-XXXXXX";
+
+ if (m->running_as == MANAGER_SYSTEM && getpid() == 1) {
+ p = "/run/systemd/generator";
+
+ if (mkdir_p(p, 0755) < 0) {
+ log_error("Failed to create generator directory: %m");
+ goto finish;
+ }
+
+ } else {
+ if (!(p = mkdtemp(user_path))) {
+ log_error("Failed to create generator directory: %m");
+ goto finish;
+ }
+ }
+
+ if (!(m->generator_unit_path = strdup(p))) {
+ log_error("Failed to allocate generator unit path.");
+ goto finish;
+ }
+ }
+
+ argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */
+ argv[1] = m->generator_unit_path;
+ argv[2] = NULL;
+
+ u = umask(0022);
+ execute_directory(generator_path, d, (char**) argv);
+ umask(u);
+
+ if (rmdir(m->generator_unit_path) >= 0) {
+ /* Uh? we were able to remove this dir? I guess that
+ * means the directory was empty, hence let's shortcut
+ * this */
+
+ free(m->generator_unit_path);
+ m->generator_unit_path = NULL;
+ goto finish;
+ }
+
+ if (!strv_find(m->lookup_paths.unit_path, m->generator_unit_path)) {
+ char **l;
+
+ if (!(l = strv_append(m->lookup_paths.unit_path, m->generator_unit_path))) {
+ log_error("Failed to add generator directory to unit search path: %m");
+ goto finish;
+ }
+
+ strv_free(m->lookup_paths.unit_path);
+ m->lookup_paths.unit_path = l;
+
+ log_debug("Added generator unit path %s to search path.", m->generator_unit_path);
+ }
+
+finish:
+ if (d)
+ closedir(d);
+}
+
+void manager_undo_generators(Manager *m) {
+ assert(m);
+
+ if (!m->generator_unit_path)
+ return;
+
+ strv_remove(m->lookup_paths.unit_path, m->generator_unit_path);
+ rm_rf(m->generator_unit_path, false, true, false);
- free(m->console);
- m->console = c;
+ free(m->generator_unit_path);
+ m->generator_unit_path = NULL;
+}
+
+int manager_set_default_controllers(Manager *m, char **controllers) {
+ char **l;
- log_debug("Using kernel console %s", c);
+ assert(m);
+
+ if (!(l = strv_copy(controllers)))
+ return -ENOMEM;
+
+ strv_free(m->default_controllers);
+ m->default_controllers = l;
return 0;
}
-bool manager_unit_pending_inactive(Manager *m, const char *name) {
+void manager_recheck_syslog(Manager *m) {
Unit *u;
assert(m);
- assert(name);
- /* Returns true if the unit is inactive or going down */
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
- if (!(u = manager_get_unit(m, name)))
- return true;
+ if ((u = manager_get_unit(m, SPECIAL_SYSLOG_SOCKET))) {
+ SocketState state;
- if (UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u)))
- return true;
+ state = SOCKET(u)->state;
+
+ if (state != SOCKET_DEAD &&
+ state != SOCKET_FAILED &&
+ state != SOCKET_RUNNING) {
+
+ /* Hmm, the socket is not set up, or is still
+ * listening, let's better not try to use
+ * it. Note that we have no problem if the
+ * socket is completely down, since there
+ * might be a foreign /dev/log socket around
+ * and we want to make use of that.
+ */
+
+ log_close_syslog();
+ return;
+ }
+ }
- if (u->meta.job && u->meta.job->type == JOB_STOP)
+ if ((u = manager_get_unit(m, SPECIAL_SYSLOG_TARGET)))
+ if (TARGET(u)->state != TARGET_ACTIVE) {
+ log_close_syslog();
+ return;
+ }
+
+ /* Hmm, OK, so the socket is either fully up, or fully down,
+ * and the target is up, then let's make use of the socket */
+ log_open();
+}
+
+void manager_set_show_status(Manager *m, bool b) {
+ assert(m);
+
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
+
+ m->show_status = b;
+
+ if (b)
+ touch("/run/systemd/show-status");
+ else
+ unlink("/run/systemd/show-status");
+}
+
+bool manager_get_show_status(Manager *m) {
+ assert(m);
+
+ if (m->running_as != MANAGER_SYSTEM)
+ return false;
+
+ if (m->show_status)
return true;
- return false;
+ /* If Plymouth is running make sure we show the status, so
+ * that there's something nice to see when people press Esc */
+
+ return plymouth_running();
}
static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {
[MANAGER_SYSTEM] = "system",
- [MANAGER_SESSION] = "session"
+ [MANAGER_USER] = "user"
};
DEFINE_STRING_TABLE_LOOKUP(manager_running_as, ManagerRunningAs);
~ianmdlvl / elogind.git / blobdiff