413 lines
14 KiB
C
413 lines
14 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <stdbool.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "alloc-util.h"
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#include "all-units.h"
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#include "fd-util.h"
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#include "fs-util.h"
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#include "macro.h"
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#include "manager.h"
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#include "mkdir.h"
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#include "path-util.h"
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#include "rm-rf.h"
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#include "string-util.h"
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#include "strv.h"
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#include "tests.h"
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#include "unit.h"
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#include "util.h"
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typedef void (*test_function_t)(Manager *m);
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static int setup_test(Manager **m) {
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char **tests_path = STRV_MAKE("exists", "existsglobFOOBAR", "changed", "modified", "unit",
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"directorynotempty", "makedirectory");
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char **test_path;
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Manager *tmp = NULL;
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int r;
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assert_se(m);
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r = enter_cgroup_subroot(NULL);
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if (r == -ENOMEDIUM)
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return log_tests_skipped("cgroupfs not available");
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r = manager_new(UNIT_FILE_USER, MANAGER_TEST_RUN_BASIC, &tmp);
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if (manager_errno_skip_test(r))
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return log_tests_skipped_errno(r, "manager_new");
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assert_se(r >= 0);
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assert_se(manager_startup(tmp, NULL, NULL) >= 0);
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STRV_FOREACH(test_path, tests_path) {
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_cleanup_free_ char *p = NULL;
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p = strjoin("/tmp/test-path_", *test_path);
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assert_se(p);
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(void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
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}
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*m = tmp;
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return 0;
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}
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static void shutdown_test(Manager *m) {
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assert_se(m);
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manager_free(m);
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}
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static Service *service_for_path(Manager *m, Path *path, const char *service_name) {
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_cleanup_free_ char *tmp = NULL;
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Unit *service_unit = NULL;
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assert_se(m);
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assert_se(path);
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if (!service_name) {
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assert_se(tmp = strreplace(UNIT(path)->id, ".path", ".service"));
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service_unit = manager_get_unit(m, tmp);
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} else
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service_unit = manager_get_unit(m, service_name);
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assert_se(service_unit);
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return SERVICE(service_unit);
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}
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static int _check_states(unsigned line,
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Manager *m, Path *path, Service *service, PathState path_state, ServiceState service_state) {
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assert_se(m);
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assert_se(service);
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usec_t end = now(CLOCK_MONOTONIC) + 30 * USEC_PER_SEC;
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while (path->state != path_state || service->state != service_state ||
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path->result != PATH_SUCCESS || service->result != SERVICE_SUCCESS) {
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assert_se(sd_event_run(m->event, 100 * USEC_PER_MSEC) >= 0);
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usec_t n = now(CLOCK_MONOTONIC);
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log_info("line %u: %s: state = %s; result = %s (left: %" PRIi64 ")",
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line,
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UNIT(path)->id,
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path_state_to_string(path->state),
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path_result_to_string(path->result),
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end - n);
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log_info("line %u: %s: state = %s; result = %s",
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line,
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UNIT(service)->id,
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service_state_to_string(service->state),
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service_result_to_string(service->result));
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if (service->state == SERVICE_FAILED &&
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service->main_exec_status.status == EXIT_CGROUP &&
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!ci_environment())
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/* On a general purpose system we may fail to start the service for reasons which are
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* not under our control: permission limits, resource exhaustion, etc. Let's skip the
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* test in those cases. On developer machines we require proper setup. */
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return log_notice_errno(SYNTHETIC_ERRNO(ECANCELED),
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"Failed to start service %s, aborting test: %s/%s",
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UNIT(service)->id,
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service_state_to_string(service->state),
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service_result_to_string(service->result));
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if (n >= end) {
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log_error("Test timeout when testing %s", UNIT(path)->id);
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exit(EXIT_FAILURE);
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}
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}
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return 0;
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}
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#define check_states(...) _check_states(__LINE__, __VA_ARGS__)
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static void test_path_exists(Manager *m) {
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const char *test_path = "/tmp/test-path_exists";
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-exists.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, NULL);
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(touch(test_path) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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/* Service restarts if file still exists */
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_existsglob(Manager *m) {
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const char *test_path = "/tmp/test-path_existsglobFOOBAR";
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-existsglob.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, NULL);
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(touch(test_path) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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/* Service restarts if file still exists */
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_changed(Manager *m) {
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const char *test_path = "/tmp/test-path_changed";
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FILE *f;
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-changed.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, NULL);
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(touch(test_path) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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/* Service does not restart if file still exists */
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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f = fopen(test_path, "w");
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assert_se(f);
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fclose(f);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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(void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_modified(Manager *m) {
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_cleanup_fclose_ FILE *f = NULL;
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const char *test_path = "/tmp/test-path_modified";
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-modified.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, NULL);
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(touch(test_path) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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/* Service does not restart if file still exists */
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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f = fopen(test_path, "w");
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assert_se(f);
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fputs("test", f);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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(void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_unit(Manager *m) {
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const char *test_path = "/tmp/test-path_unit";
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-unit.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, "path-mycustomunit.service");
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(touch(test_path) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_directorynotempty(Manager *m) {
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const char *test_path = "/tmp/test-path_directorynotempty/";
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Unit *unit = NULL;
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Path *path = NULL;
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Service *service = NULL;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-directorynotempty.path", NULL, &unit) >= 0);
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path = PATH(unit);
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service = service_for_path(m, path, NULL);
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assert_se(access(test_path, F_OK) < 0);
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assert_se(unit_start(unit) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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/* MakeDirectory default to no */
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assert_se(access(test_path, F_OK) < 0);
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assert_se(mkdir_p(test_path, 0755) >= 0);
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assert_se(touch(strjoina(test_path, "test_file")) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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/* Service restarts if directory is still not empty */
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
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return;
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assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
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assert_se(unit_stop(UNIT(service)) >= 0);
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if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
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return;
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assert_se(unit_stop(unit) >= 0);
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}
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static void test_path_makedirectory_directorymode(Manager *m) {
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const char *test_path = "/tmp/test-path_makedirectory/";
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Unit *unit = NULL;
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struct stat s;
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assert_se(m);
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assert_se(manager_load_startable_unit_or_warn(m, "path-makedirectory.path", NULL, &unit) >= 0);
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assert_se(access(test_path, F_OK) < 0);
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assert_se(unit_start(unit) >= 0);
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/* Check if the directory has been created */
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assert_se(access(test_path, F_OK) >= 0);
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/* Check the mode we specified with DirectoryMode=0744 */
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assert_se(stat(test_path, &s) >= 0);
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assert_se((s.st_mode & S_IRWXU) == 0700);
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assert_se((s.st_mode & S_IRWXG) == 0040);
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assert_se((s.st_mode & S_IRWXO) == 0004);
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assert_se(unit_stop(unit) >= 0);
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(void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
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}
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int main(int argc, char *argv[]) {
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static const test_function_t tests[] = {
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test_path_exists,
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test_path_existsglob,
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test_path_changed,
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test_path_modified,
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test_path_unit,
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test_path_directorynotempty,
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test_path_makedirectory_directorymode,
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NULL,
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};
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_cleanup_free_ char *test_path = NULL;
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_cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
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umask(022);
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test_setup_logging(LOG_INFO);
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assert_se(get_testdata_dir("test-path", &test_path) >= 0);
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assert_se(set_unit_path(test_path) >= 0);
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assert_se(runtime_dir = setup_fake_runtime_dir());
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for (const test_function_t *test = tests; *test; test++) {
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Manager *m = NULL;
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int r;
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/* We create a clean environment for each test */
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r = setup_test(&m);
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if (r != 0)
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return r;
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(*test)(m);
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shutdown_test(m);
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}
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return 0;
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}
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