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machined: rework referencing of machine scopes from machined, too
When a machine scope is registered by machined, let's add a reference to it, and change the GC mode so that the unit is cleaned up as soon as machined drops the reference, regardless of the fail state. Fixes: #2809
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1d78fea2d6
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@ -403,7 +403,7 @@ int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) {
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static int machine_stop_scope(Machine *m) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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char *job = NULL;
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int r;
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int r, q;
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assert(m);
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assert(m->class != MACHINE_HOST);
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@ -412,10 +412,17 @@ static int machine_stop_scope(Machine *m) {
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return 0;
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r = manager_stop_unit(m->manager, m->unit, &error, &job);
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if (r < 0)
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return log_error_errno(r, "Failed to stop machine scope: %s", bus_error_message(&error, r));
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if (r < 0) {
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log_error_errno(r, "Failed to stop machine scope: %s", bus_error_message(&error, r));
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sd_bus_error_free(&error);
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} else
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free_and_replace(m->scope_job, job);
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return free_and_replace(m->scope_job, job);
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q = manager_unref_unit(m->manager, m->unit, &error);
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if (q < 0)
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log_warning_errno(q, "Failed to drop reference to machine scope, ignoring: %s", bus_error_message(&error, r));
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return r;
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}
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int machine_stop(Machine *m) {
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@ -1363,18 +1363,15 @@ int manager_start_scope(
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return r;
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}
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r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
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r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)(sv)",
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"PIDs", "au", 1, pid,
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"Delegate", "b", 1,
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"CollectMode", "s", "inactive-or-failed",
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"AddRef", "b", 1,
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"TasksMax", "t", UINT64_C(16384));
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if (r < 0)
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return r;
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r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1);
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if (r < 0)
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return r;
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r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384));
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if (r < 0)
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return bus_log_create_error(r);
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if (more_properties) {
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r = sd_bus_message_copy(m, more_properties, true);
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if (r < 0)
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@ -1411,6 +1408,26 @@ int manager_start_scope(
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return 1;
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}
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int manager_unref_unit(
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Manager *m,
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const char *unit,
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sd_bus_error *error) {
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assert(m);
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assert(unit);
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return sd_bus_call_method(
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m->bus,
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"UnrefUnit",
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error,
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NULL,
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"s",
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unit);
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}
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int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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int r;
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@ -50,5 +50,6 @@ int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *err
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int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, sd_bus_message *more_properties, sd_bus_error *error, char **job);
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int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
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int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error);
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int manager_unref_unit(Manager *m, const char *unit, sd_bus_error *error);
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int manager_unit_is_active(Manager *manager, const char *unit);
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int manager_job_is_active(Manager *manager, const char *path);
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