From f42806df7de0f4669c1296ab66a7f8d8784dd0f2 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 3 Feb 2012 02:01:35 +0100 Subject: [PATCH] service: replace "failure" boolean by enum, and export it This should give admins more useful hints why a service failed. --- src/dbus-service.c | 8 +- src/service.c | 292 ++++++++++++++++++++++++++------------------- src/service.h | 18 ++- src/systemctl.c | 10 +- 4 files changed, 196 insertions(+), 132 deletions(-) diff --git a/src/dbus-service.c b/src/dbus-service.c index 5d95b379..738dc7bc 100644 --- a/src/dbus-service.c +++ b/src/dbus-service.c @@ -61,7 +61,8 @@ " \n" \ " \n" \ " \n" \ - BUS_SERVICE_SYSV_INTERFACE_FRAGMENT \ + " \n" \ + BUS_SERVICE_SYSV_INTERFACE_FRAGMENT \ " \n" #define INTROSPECTION \ @@ -92,11 +93,13 @@ const char bus_service_invalidating_properties[] = "WatchdogTimestampMonotonic\0" "MainPID\0" "ControlPID\0" - "StatusText\0"; + "StatusText\0" + "Result\0"; static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_type, service_type, ServiceType); static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_restart, service_restart, ServiceRestart); static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_notify_access, notify_access, NotifyAccess); +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_service_result, service_result, ServiceResult); static const BusProperty bus_exec_main_status_properties[] = { { "ExecMainStartTimestamp", bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.realtime) }, @@ -138,6 +141,7 @@ static const BusProperty bus_service_properties[] = { { "SysVPath", bus_property_append_string, "s", offsetof(Service, sysv_path), true }, #endif { "FsckPassNo", bus_property_append_int, "i", offsetof(Service, fsck_passno) }, + { "Result", bus_service_append_service_result,"s", offsetof(Service, result) }, { NULL, } }; diff --git a/src/service.c b/src/service.c index d2a2dfc6..25ebca08 100644 --- a/src/service.c +++ b/src/service.c @@ -1228,6 +1228,8 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) { fprintf(f, "%sService State: %s\n" + "%sResult: %s\n" + "%sReload Result: %s\n" "%sPermissionsStartOnly: %s\n" "%sRootDirectoryStartOnly: %s\n" "%sRemainAfterExit: %s\n" @@ -1236,6 +1238,8 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) { "%sRestart: %s\n" "%sNotifyAccess: %s\n", prefix, service_state_to_string(s->state), + prefix, service_result_to_string(s->result), + prefix, service_result_to_string(s->reload_result), prefix, yes_no(s->permissions_start_only), prefix, yes_no(s->root_directory_start_only), prefix, yes_no(s->remain_after_exit), @@ -1500,8 +1504,8 @@ static void service_set_state(Service *s, ServiceState state) { if (old_state != state) log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); - unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], !s->reload_failure); - s->reload_failure = false; + unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], s->reload_result == SERVICE_SUCCESS); + s->reload_result = SERVICE_SUCCESS; } static int service_coldplug(Unit *u) { @@ -1790,28 +1794,28 @@ static int cgroup_good(Service *s) { return !r; } -static void service_enter_dead(Service *s, bool success, bool allow_restart) { +static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { int r; assert(s); - if (!success) - s->failure = true; + if (f != SERVICE_SUCCESS) + s->result = f; if (allow_restart && !s->forbid_restart && (s->restart == SERVICE_RESTART_ALWAYS || - (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) || - (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) || - (s->restart == SERVICE_RESTART_ON_ABORT && s->failure && - (s->main_exec_status.code == CLD_KILLED || - s->main_exec_status.code == CLD_DUMPED)))) { + (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || + (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || + (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || + s->result == SERVICE_FAILURE_CORE_DUMP)))) { - if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) + r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); + if (r < 0) goto fail; service_set_state(s, SERVICE_AUTO_RESTART); } else - service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD); + service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); s->forbid_restart = false; @@ -1819,17 +1823,17 @@ static void service_enter_dead(Service *s, bool success, bool allow_restart) { fail: log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r)); - service_enter_dead(s, false, false); + service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); } -static void service_enter_signal(Service *s, ServiceState state, bool success); +static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); -static void service_enter_stop_post(Service *s, bool success) { +static void service_enter_stop_post(Service *s, ServiceResult f) { int r; assert(s); - if (!success) - s->failure = true; + if (f != SERVICE_SUCCESS) + s->result = f; service_unwatch_control_pid(s); @@ -1850,24 +1854,24 @@ static void service_enter_stop_post(Service *s, bool success) { service_set_state(s, SERVICE_STOP_POST); } else - service_enter_signal(s, SERVICE_FINAL_SIGTERM, true); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); return; fail: log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r)); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); } -static void service_enter_signal(Service *s, ServiceState state, bool success) { +static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { int r; Set *pid_set = NULL; bool wait_for_exit = false; assert(s); - if (!success) - s->failure = true; + if (f != SERVICE_SUCCESS) + s->result = f; if (s->exec_context.kill_mode != KILL_NONE) { int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; @@ -1920,9 +1924,9 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) { service_set_state(s, state); } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) - service_enter_stop_post(s, true); + service_enter_stop_post(s, SERVICE_SUCCESS); else - service_enter_dead(s, true, true); + service_enter_dead(s, SERVICE_SUCCESS, true); return; @@ -1930,21 +1934,21 @@ fail: log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) - service_enter_stop_post(s, false); + service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); else - service_enter_dead(s, false, true); + service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); if (pid_set) set_free(pid_set); } -static void service_enter_stop(Service *s, bool success) { +static void service_enter_stop(Service *s, ServiceResult f) { int r; assert(s); - if (!success) - s->failure = true; + if (f != SERVICE_SUCCESS) + s->result = f; service_unwatch_control_pid(s); @@ -1964,21 +1968,21 @@ static void service_enter_stop(Service *s, bool success) { service_set_state(s, SERVICE_STOP); } else - service_enter_signal(s, SERVICE_STOP_SIGTERM, true); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); return; fail: log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); - service_enter_signal(s, SERVICE_STOP_SIGTERM, false); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); } -static void service_enter_running(Service *s, bool success) { +static void service_enter_running(Service *s, ServiceResult f) { int main_pid_ok, cgroup_ok; assert(s); - if (!success) - s->failure = true; + if (f != SERVICE_SUCCESS) + s->result = f; main_pid_ok = main_pid_good(s); cgroup_ok = cgroup_good(s); @@ -1989,7 +1993,7 @@ static void service_enter_running(Service *s, bool success) { else if (s->remain_after_exit) service_set_state(s, SERVICE_EXITED); else - service_enter_stop(s, true); + service_enter_stop(s, SERVICE_SUCCESS); } static void service_enter_start_post(Service *s) { @@ -2014,13 +2018,13 @@ static void service_enter_start_post(Service *s) { service_set_state(s, SERVICE_START_POST); } else - service_enter_running(s, true); + service_enter_running(s, SERVICE_SUCCESS); return; fail: log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_RESOURCES); } static void service_enter_start(Service *s) { @@ -2101,7 +2105,7 @@ static void service_enter_start(Service *s) { fail: log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); } static void service_enter_start_pre(Service *s) { @@ -2138,7 +2142,7 @@ static void service_enter_start_pre(Service *s) { fail: log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); - service_enter_dead(s, false, true); + service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); } static void service_enter_restart(Service *s) { @@ -2155,7 +2159,7 @@ static void service_enter_restart(Service *s) { goto fail; } - service_enter_dead(s, true, false); + service_enter_dead(s, SERVICE_SUCCESS, false); if ((r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0) goto fail; @@ -2165,7 +2169,7 @@ static void service_enter_restart(Service *s) { fail: log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r)); - service_enter_dead(s, false, false); + service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); dbus_error_free(&error); } @@ -2193,26 +2197,23 @@ static void service_enter_reload(Service *s) { service_set_state(s, SERVICE_RELOAD); } else - service_enter_running(s, true); + service_enter_running(s, SERVICE_SUCCESS); return; fail: log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r)); - s->reload_failure = true; - service_enter_running(s, true); + s->reload_result = SERVICE_FAILURE_RESOURCES; + service_enter_running(s, SERVICE_SUCCESS); } -static void service_run_next_control(Service *s, bool success) { +static void service_run_next_control(Service *s) { int r; assert(s); assert(s->control_command); assert(s->control_command->command_next); - if (!success) - s->failure = true; - assert(s->control_command_id != SERVICE_EXEC_START); s->control_command = s->control_command->command_next; @@ -2236,19 +2237,19 @@ fail: log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r)); if (s->state == SERVICE_START_PRE) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); else if (s->state == SERVICE_STOP) - service_enter_signal(s, SERVICE_STOP_SIGTERM, false); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); else if (s->state == SERVICE_STOP_POST) - service_enter_dead(s, false, true); + service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); else if (s->state == SERVICE_RELOAD) { - s->reload_failure = true; - service_enter_running(s, true); + s->reload_result = SERVICE_FAILURE_RESOURCES; + service_enter_running(s, SERVICE_SUCCESS); } else - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_RESOURCES); } -static void service_run_next_main(Service *s, bool success) { +static void service_run_next_main(Service *s) { pid_t pid; int r; @@ -2257,9 +2258,6 @@ static void service_run_next_main(Service *s, bool success) { assert(s->main_command->command_next); assert(s->type == SERVICE_ONESHOT); - if (!success) - s->failure = true; - s->main_command = s->main_command->command_next; service_unwatch_main_pid(s); @@ -2280,7 +2278,7 @@ static void service_run_next_main(Service *s, bool success) { fail: log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_RESOURCES); } static int service_start(Unit *u) { @@ -2312,7 +2310,8 @@ static int service_start(Unit *u) { return -ECANCELED; } - s->failure = false; + s->result = SERVICE_SUCCESS; + s->reload_result = SERVICE_SUCCESS; s->main_pid_known = false; s->main_pid_alien = false; s->forbid_restart = false; @@ -2351,14 +2350,14 @@ static int service_stop(Unit *u) { s->state == SERVICE_START || s->state == SERVICE_START_POST || s->state == SERVICE_RELOAD) { - service_enter_signal(s, SERVICE_STOP_SIGTERM, true); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); return 0; } assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); - service_enter_stop(s, true); + service_enter_stop(s, SERVICE_SUCCESS); return 0; } @@ -2389,7 +2388,8 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) { assert(fds); unit_serialize_item(u, f, "state", service_state_to_string(s->state)); - unit_serialize_item(u, f, "failure", yes_no(s->failure)); + unit_serialize_item(u, f, "result", service_result_to_string(s->result)); + unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); if (s->control_pid > 0) unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); @@ -2448,13 +2448,24 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value, log_debug("Failed to parse state value %s", value); else s->deserialized_state = state; - } else if (streq(key, "failure")) { - int b; + } else if (streq(key, "result")) { + ServiceResult f; + + f = service_result_from_string(value); + if (f < 0) + log_debug("Failed to parse result value %s", value); + else if (f != SERVICE_SUCCESS) + s->result = f; + + } else if (streq(key, "reload-result")) { + ServiceResult f; + + f = service_result_from_string(value); + if (f < 0) + log_debug("Failed to parse reload result value %s", value); + else if (f != SERVICE_SUCCESS) + s->reload_result = f; - if ((b = parse_boolean(value)) < 0) - log_debug("Failed to parse failure value %s", value); - else - s->failure = b || s->failure; } else if (streq(key, "control-pid")) { pid_t pid; @@ -2589,7 +2600,7 @@ static int service_retry_pid_file(Service *s) { service_unwatch_pid_file(s); - service_enter_running(s, true); + service_enter_running(s, SERVICE_SUCCESS); return 0; } @@ -2663,20 +2674,26 @@ static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { return; fail: service_unwatch_pid_file(s); - service_enter_signal(s, SERVICE_STOP_SIGTERM, false); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); } static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { Service *s = SERVICE(u); - bool success; + ServiceResult f; assert(s); assert(pid >= 0); - if (!UNIT(s)->fragment_path) - success = is_clean_exit_lsb(code, status); + if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status)) + f = SERVICE_SUCCESS; + else if (code == CLD_EXITED) + f = SERVICE_FAILURE_EXIT_CODE; + else if (code == CLD_KILLED) + f = SERVICE_FAILURE_SIGNAL; + else if (code == CLD_DUMPED) + f = SERVICE_FAILURE_CORE_DUMP; else - success = is_clean_exit(code, status); + f = SERVICE_FAILURE_RESOURCES; if (s->main_pid == pid) { /* Forking services may occasionally move to a new PID. @@ -2696,22 +2713,24 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { s->main_command->exec_status = s->main_exec_status; if (s->main_command->ignore) - success = true; + f = SERVICE_SUCCESS; } - log_full(success ? LOG_DEBUG : LOG_NOTICE, + log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status); - s->failure = s->failure || !success; + + if (f != SERVICE_SUCCESS) + s->result = f; if (s->main_command && s->main_command->command_next && - success) { + f == SERVICE_SUCCESS) { /* There is another command to * * execute, so let's do that. */ log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state)); - service_run_next_main(s, success); + service_run_next_main(s); } else { @@ -2731,10 +2750,10 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { case SERVICE_START: if (s->type == SERVICE_ONESHOT) { /* This was our main goal, so let's go on */ - if (success) + if (f == SERVICE_SUCCESS) service_enter_start_post(s); else - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); break; } else { assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); @@ -2743,14 +2762,14 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { } case SERVICE_RUNNING: - service_enter_running(s, success); + service_enter_running(s, f); break; case SERVICE_STOP_SIGTERM: case SERVICE_STOP_SIGKILL: if (!control_pid_good(s)) - service_enter_stop_post(s, success); + service_enter_stop_post(s, f); /* If there is still a control process, wait for that first */ break; @@ -2768,22 +2787,24 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); if (s->control_command->ignore) - success = true; + f = SERVICE_SUCCESS; } - log_full(success ? LOG_DEBUG : LOG_NOTICE, + log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status); - s->failure = s->failure || !success; + + if (f != SERVICE_SUCCESS) + s->result = f; if (s->control_command && s->control_command->command_next && - success) { + f == SERVICE_SUCCESS) { /* There is another command to * * execute, so let's do that. */ log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state)); - service_run_next_control(s, success); + service_run_next_control(s); } else { /* No further commands for this step, so let's @@ -2797,30 +2818,34 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { switch (s->state) { case SERVICE_START_PRE: - if (success) + if (f == SERVICE_SUCCESS) service_enter_start(s); else - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); break; case SERVICE_START: assert(s->type == SERVICE_FORKING); - if (!success) { - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + if (f != SERVICE_SUCCESS) { + service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); break; } if (s->pid_file) { + bool has_start_post; + int r; + /* Let's try to load the pid file here if we can. * The PID file might actually be created by a START_POST * script. In that case don't worry if the loading fails. */ - bool has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; - int r = service_load_pid_file(s, !has_start_post); + + has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; + r = service_load_pid_file(s, !has_start_post); if (!has_start_post && r < 0) { r = service_demand_pid_file(s); if (r < 0 || !cgroup_good(s)) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); break; } } else @@ -2830,43 +2855,45 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { break; case SERVICE_START_POST: - if (!success) { - service_enter_stop(s, false); + if (f != SERVICE_SUCCESS) { + service_enter_stop(s, f); break; } if (s->pid_file) { - int r = service_load_pid_file(s, true); + int r; + + r = service_load_pid_file(s, true); if (r < 0) { r = service_demand_pid_file(s); if (r < 0 || !cgroup_good(s)) - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_RESOURCES); break; } } else service_search_main_pid(s); - service_enter_running(s, true); + service_enter_running(s, SERVICE_SUCCESS); break; case SERVICE_RELOAD: - if (success) { + if (f == SERVICE_SUCCESS) { service_load_pid_file(s, true); service_search_main_pid(s); } - s->reload_failure = !success; - service_enter_running(s, true); + s->reload_result = f; + service_enter_running(s, SERVICE_SUCCESS); break; case SERVICE_STOP: - service_enter_signal(s, SERVICE_STOP_SIGTERM, success); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); break; case SERVICE_STOP_SIGTERM: case SERVICE_STOP_SIGKILL: if (main_pid_good(s) <= 0) - service_enter_stop_post(s, success); + service_enter_stop_post(s, f); /* If there is still a service * process around, wait until @@ -2876,7 +2903,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { case SERVICE_STOP_POST: case SERVICE_FINAL_SIGTERM: case SERVICE_FINAL_SIGKILL: - service_enter_dead(s, success, true); + service_enter_dead(s, f, true); break; default: @@ -2902,32 +2929,32 @@ static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { case SERVICE_START_PRE: case SERVICE_START: log_warning("%s operation timed out. Terminating.", u->id); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_START_POST: log_warning("%s operation timed out. Stopping.", u->id); - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_RELOAD: log_warning("%s operation timed out. Stopping.", u->id); - s->reload_failure = true; - service_enter_running(s, true); + s->reload_result = SERVICE_FAILURE_TIMEOUT; + service_enter_running(s, SERVICE_SUCCESS); break; case SERVICE_STOP: log_warning("%s stopping timed out. Terminating.", u->id); - service_enter_signal(s, SERVICE_STOP_SIGTERM, false); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_STOP_SIGTERM: if (s->exec_context.send_sigkill) { log_warning("%s stopping timed out. Killing.", u->id); - service_enter_signal(s, SERVICE_STOP_SIGKILL, false); + service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); } else { log_warning("%s stopping timed out. Skipping SIGKILL.", u->id); - service_enter_stop_post(s, false); + service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); } break; @@ -2938,28 +2965,28 @@ static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { * weirded out and continue */ log_warning("%s still around after SIGKILL. Ignoring.", u->id); - service_enter_stop_post(s, false); + service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_STOP_POST: log_warning("%s stopping timed out (2). Terminating.", u->id); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_FINAL_SIGTERM: if (s->exec_context.send_sigkill) { log_warning("%s stopping timed out (2). Killing.", u->id); - service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); + service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); } else { log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id); - service_enter_dead(s, false, true); + service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); } break; case SERVICE_FINAL_SIGKILL: log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id); - service_enter_dead(s, false, true); + service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); break; case SERVICE_AUTO_RESTART: @@ -2995,28 +3022,29 @@ static void service_cgroup_notify_event(Unit *u) { log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id); service_unwatch_pid_file(s); if (s->state == SERVICE_START) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); + service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); else - service_enter_stop(s, false); + service_enter_stop(s, SERVICE_FAILURE_RESOURCES); } break; case SERVICE_RUNNING: - service_enter_running(s, true); + /* service_enter_running() will figure out what to do */ + service_enter_running(s, SERVICE_SUCCESS); break; case SERVICE_STOP_SIGTERM: case SERVICE_STOP_SIGKILL: if (main_pid_good(s) <= 0 && !control_pid_good(s)) - service_enter_stop_post(s, true); + service_enter_stop_post(s, SERVICE_SUCCESS); break; case SERVICE_FINAL_SIGTERM: case SERVICE_FINAL_SIGKILL: if (main_pid_good(s) <= 0 && !control_pid_good(s)) - service_enter_dead(s, true, true); + service_enter_dead(s, SERVICE_SUCCESS, SERVICE_SUCCESS); break; @@ -3361,7 +3389,7 @@ static void service_bus_name_owner_change( /* service_enter_running() will figure out what to * do */ if (s->state == SERVICE_RUNNING) - service_enter_running(s, true); + service_enter_running(s, SERVICE_SUCCESS); else if (s->state == SERVICE_START && new_owner) service_enter_start_post(s); @@ -3433,7 +3461,8 @@ static void service_reset_failed(Unit *u) { if (s->state == SERVICE_FAILED) service_set_state(s, SERVICE_DEAD); - s->failure = false; + s->result = SERVICE_SUCCESS; + s->reload_result = SERVICE_SUCCESS; } static bool service_need_daemon_reload(Unit *u) { @@ -3576,6 +3605,17 @@ static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); +static const char* const service_result_table[_SERVICE_RESULT_MAX] = { + [SERVICE_SUCCESS] = "success", + [SERVICE_FAILURE_RESOURCES] = "resources", + [SERVICE_FAILURE_TIMEOUT] = "timeout", + [SERVICE_FAILURE_EXIT_CODE] = "exit-code", + [SERVICE_FAILURE_SIGNAL] = "signal", + [SERVICE_FAILURE_CORE_DUMP] = "core-dump" +}; + +DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); + const UnitVTable service_vtable = { .suffix = ".service", .object_size = sizeof(Service), diff --git a/src/service.h b/src/service.h index dbae68b8..b1e8b904 100644 --- a/src/service.h +++ b/src/service.h @@ -88,6 +88,17 @@ typedef enum NotifyAccess { _NOTIFY_ACCESS_INVALID = -1 } NotifyAccess; +typedef enum ServiceResult { + SERVICE_SUCCESS, + SERVICE_FAILURE_RESOURCES, + SERVICE_FAILURE_TIMEOUT, + SERVICE_FAILURE_EXIT_CODE, + SERVICE_FAILURE_SIGNAL, + SERVICE_FAILURE_CORE_DUMP, + _SERVICE_RESULT_MAX, + _SERVICE_RESULT_INVALID = -1 +} ServiceResult; + struct Service { Unit meta; @@ -132,8 +143,8 @@ struct Service { bool guess_main_pid; /* If we shut down, remember why */ - bool failure:1; - bool reload_failure:1; + ServiceResult result; + ServiceResult reload_result; bool main_pid_known:1; bool main_pid_alien:1; @@ -186,4 +197,7 @@ ServiceExecCommand service_exec_command_from_string(const char *s); const char* notify_access_to_string(NotifyAccess i); NotifyAccess notify_access_from_string(const char *s); +const char* service_result_to_string(ServiceResult i); +ServiceResult service_result_from_string(const char *s); + #endif diff --git a/src/systemctl.c b/src/systemctl.c index 5ad81fd6..12264f8b 100644 --- a/src/systemctl.c +++ b/src/systemctl.c @@ -1437,9 +1437,9 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) { else if (streq(d.result, "canceled")) log_error("Job canceled."); else if (streq(d.result, "dependency")) - log_error("A dependency job failed. See system logs for details."); + log_error("A dependency job failed. See system journal for details."); else if (!streq(d.result, "done") && !streq(d.result, "skipped")) - log_error("Job failed. See system logs and 'systemctl status' for details."); + log_error("Job failed. See system journal and 'systemctl status' for details."); } if (streq_ptr(d.result, "timeout")) @@ -2003,6 +2003,7 @@ typedef struct UnitStatusInfo { const char *default_control_group; const char *load_error; + const char *result; usec_t inactive_exit_timestamp; usec_t inactive_exit_timestamp_monotonic; @@ -2106,6 +2107,9 @@ static void print_status_info(UnitStatusInfo *i) { strna(i->active_state), off); + if (!isempty(i->result) && !streq(i->result, "success")) + printf(" (Result: %s)", i->result); + timestamp = (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp : (streq_ptr(i->active_state, "inactive") || @@ -2325,6 +2329,8 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn i->following = s; else if (streq(name, "UnitFileState")) i->unit_file_state = s; + else if (streq(name, "Result")) + i->result = s; } break; -- 2.39.5