-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
***/
#include <errno.h>
-#include <pwd.h>
-#include <fcntl.h>
#include <string.h>
#include <unistd.h>
-#include <sys/epoll.h>
#include "sd-daemon.h"
-#include "strv.h"
-#include "conf-parser.h"
-#include "cgroup-util.h"
-#include "mkdir.h"
-#include "bus-util.h"
+#include "alloc-util.h"
#include "bus-error.h"
+#include "bus-util.h"
+#include "cgroup-util.h"
+#include "dirent-util.h"
+#include "fd-util.h"
+#include "format-util.h"
+#include "hostname-util.h"
+#include "label.h"
+#include "machine-image.h"
#include "machined.h"
+#include "process-util.h"
+#include "signal-util.h"
Manager *manager_new(void) {
Manager *m;
if (!m)
return NULL;
- m->machines = hashmap_new(string_hash_func, string_compare_func);
- m->machine_units = hashmap_new(string_hash_func, string_compare_func);
- m->machine_leaders = hashmap_new(trivial_hash_func, trivial_compare_func);
+ m->machines = hashmap_new(&string_hash_ops);
+ m->machine_units = hashmap_new(&string_hash_ops);
+ m->machine_leaders = hashmap_new(NULL);
if (!m->machines || !m->machine_units || !m->machine_leaders) {
manager_free(m);
void manager_free(Manager *m) {
Machine *machine;
+ Image *i;
assert(m);
+ while (m->operations)
+ operation_free(m->operations);
+
+ assert(m->n_operations == 0);
+
while ((machine = hashmap_first(m->machines)))
machine_free(machine);
hashmap_free(m->machine_units);
hashmap_free(m->machine_leaders);
+ while ((i = hashmap_steal_first(m->image_cache)))
+ image_unref(i);
+
+ hashmap_free(m->image_cache);
+
+ sd_event_source_unref(m->image_cache_defer_event);
+
+ bus_verify_polkit_async_registry_free(m->polkit_registry);
+
sd_bus_unref(m->bus);
sd_event_unref(m->event);
free(m);
}
+static int manager_add_host_machine(Manager *m) {
+ _cleanup_free_ char *rd = NULL, *unit = NULL;
+ sd_id128_t mid;
+ Machine *t;
+ int r;
+
+ if (m->host_machine)
+ return 0;
+
+ r = sd_id128_get_machine(&mid);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine ID: %m");
+
+ rd = strdup("/");
+ if (!rd)
+ return log_oom();
+
+ unit = strdup("-.slice");
+ if (!unit)
+ return log_oom();
+
+ t = machine_new(m, MACHINE_HOST, ".host");
+ if (!t)
+ return log_oom();
+
+ t->leader = 1;
+ t->id = mid;
+
+ t->root_directory = rd;
+ t->unit = unit;
+ rd = unit = NULL;
+
+ dual_timestamp_from_boottime_or_monotonic(&t->timestamp, 0);
+
+ m->host_machine = t;
+
+ return 0;
+}
+
int manager_enumerate_machines(Manager *m) {
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
assert(m);
+ r = manager_add_host_machine(m);
+ if (r < 0)
+ return r;
+
/* Read in machine data stored on disk */
d = opendir("/run/systemd/machines");
if (!d) {
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/machines: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /run/systemd/machines: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
if (startswith(de->d_name, "unit:"))
continue;
+ if (!machine_name_is_valid(de->d_name))
+ continue;
+
k = manager_add_machine(m, de->d_name, &machine);
if (k < 0) {
- log_error("Failed to add machine by file name %s: %s", de->d_name, strerror(-k));
-
- r = k;
+ r = log_error_errno(k, "Failed to add machine by file name %s: %m", de->d_name);
continue;
}
}
static int manager_connect_bus(Manager *m) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(m);
assert(!m->bus);
r = sd_bus_default_system(&m->bus);
- if (r < 0) {
- log_error("Failed to connect to system bus: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to system bus: %m");
r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", manager_vtable, m);
- if (r < 0) {
- log_error("Failed to add manager object vtable: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add manager object vtable: %m");
r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/machine", "org.freedesktop.machine1.Machine", machine_vtable, machine_object_find, m);
- if (r < 0) {
- log_error("Failed to add machine object vtable: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add machine object vtable: %m");
r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/machine", machine_node_enumerator, m);
- if (r < 0) {
- log_error("Failed to add machine enumerator: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add machine enumerator: %m");
+
+ r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/image", "org.freedesktop.machine1.Image", image_vtable, image_object_find, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add image object vtable: %m");
+
+ r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/image", image_node_enumerator, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add image enumerator: %m");
r = sd_bus_add_match(m->bus,
NULL,
"path='/org/freedesktop/systemd1'",
match_job_removed,
m);
- if (r < 0) {
- log_error("Failed to add match for JobRemoved: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for JobRemoved: %m");
r = sd_bus_add_match(m->bus,
NULL,
"path='/org/freedesktop/systemd1'",
match_unit_removed,
m);
- if (r < 0) {
- log_error("Failed to add match for UnitRemoved: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for UnitRemoved: %m");
r = sd_bus_add_match(m->bus,
NULL,
"type='signal',"
"sender='org.freedesktop.systemd1',"
"interface='org.freedesktop.DBus.Properties',"
- "member='PropertiesChanged'",
+ "member='PropertiesChanged',"
+ "arg0='org.freedesktop.systemd1.Unit'",
match_properties_changed,
m);
- if (r < 0) {
- log_error("Failed to add match for PropertiesChanged: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for PropertiesChanged: %m");
r = sd_bus_add_match(m->bus,
NULL,
"path='/org/freedesktop/systemd1'",
match_reloading,
m);
- if (r < 0) {
- log_error("Failed to add match for Reloading: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for Reloading: %m");
r = sd_bus_call_method(
m->bus,
}
r = sd_bus_request_name(m->bus, "org.freedesktop.machine1", 0);
- if (r < 0) {
- log_error("Failed to register name: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to register name: %m");
r = sd_bus_attach_event(m->bus, m->event, 0);
- if (r < 0) {
- log_error("Failed to attach bus to event loop: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach bus to event loop: %m");
return 0;
}
LIST_REMOVE(gc_queue, m->machine_gc_queue, machine);
machine->in_gc_queue = false;
- if (!machine_check_gc(machine, drop_not_started)) {
+ /* First, if we are not closing yet, initiate stopping */
+ if (!machine_check_gc(machine, drop_not_started) &&
+ machine_get_state(machine) != MACHINE_CLOSING)
machine_stop(machine);
+
+ /* Now, the stop probably made this referenced
+ * again, but if it didn't, then it's time to let it
+ * go entirely. */
+ if (!machine_check_gc(machine, drop_not_started)) {
+ machine_finalize(machine);
machine_free(machine);
}
}
static bool check_idle(void *userdata) {
Manager *m = userdata;
+ if (m->operations)
+ return false;
+
manager_gc(m, true);
return hashmap_isempty(m->machines);
* check stays in. */
mkdir_label("/run/systemd/machines", 0755);
+ assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0);
+
m = manager_new();
if (!m) {
r = log_oom();
r = manager_startup(m);
if (r < 0) {
- log_error("Failed to fully start up daemon: %s", strerror(-r));
+ log_error_errno(r, "Failed to fully start up daemon: %m");
goto finish;
}
- log_debug("systemd-machined running as pid %lu", (unsigned long) getpid());
+ log_debug("systemd-machined running as pid "PID_FMT, getpid_cached());
sd_notify(false,
"READY=1\n"
r = manager_run(m);
- log_debug("systemd-machined stopped as pid %lu", (unsigned long) getpid());
+ log_debug("systemd-machined stopped as pid "PID_FMT, getpid_cached());
finish:
- sd_notify(false,
- "STATUS=Shutting down...");
-
- if (m)
- manager_free(m);
+ manager_free(m);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / thirdparty / systemd.git / blobdiff