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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/boot/boot-check-no-failures.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/boot/boot-check-no-failures.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/boot/boot-check-no-failures.c b/src/boot/boot-check-no-failures.c new file mode 100644 index 0000000..7864206 --- /dev/null +++ b/src/boot/boot-check-no-failures.c @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <errno.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> + +#include "sd-bus.h" + +#include "alloc-util.h" +#include "bus-error.h" +#include "log.h" +#include "main-func.h" +#include "pretty-print.h" +#include "terminal-util.h" +#include "util.h" + +static int help(void) { + _cleanup_free_ char *link = NULL; + int r; + + r = terminal_urlify_man("systemd-boot-check-no-failures.service", "8", &link); + if (r < 0) + return log_oom(); + + printf("%s [OPTIONS...]\n" + "\n%sVerify system operational state.%s\n\n" + " -h --help Show this help\n" + " --version Print version\n" + "\nSee the %s for details.\n", + program_invocation_short_name, + ansi_highlight(), + ansi_normal(), + link); + + return 0; +} + +static int parse_argv(int argc, char *argv[]) { + enum { + ARG_PATH = 0x100, + ARG_VERSION, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + {} + }; + + int c; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) + switch (c) { + + case 'h': + help(); + return 0; + + case ARG_VERSION: + return version(); + + case '?': + return -EINVAL; + + default: + assert_not_reached(); + } + + return 1; +} + +static int run(int argc, char *argv[]) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + uint32_t n; + int r; + + log_parse_environment(); + log_open(); + + r = parse_argv(argc, argv); + if (r <= 0) + return r; + + r = sd_bus_open_system(&bus); + if (r < 0) + return log_error_errno(r, "Failed to connect to system bus: %m"); + + r = sd_bus_get_property_trivial( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "NFailedUnits", + &error, + 'u', + &n); + if (r < 0) + return log_error_errno(r, "Failed to get failed units counter: %s", bus_error_message(&error, r)); + + if (n > 0) + log_notice("Health check: %" PRIu32 " units have failed.", n); + else + log_info("Health check: no failed units."); + + return n > 0; +} + +DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |