mirror of
https://github.com/morgan9e/systemd
synced 2026-04-14 08:25:20 +09:00
9e615fa3aa
This is the equivalent of RequiresMountsFor=, but adds Wants= instead of Requires=. It will be useful for example for the autogenerated systemd-cryptsetup units. Fixes https://github.com/systemd/systemd/issues/11646
896 lines
38 KiB
C
896 lines
38 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "bpf-socket-bind.h"
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#include "bus-util.h"
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#include "dbus.h"
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#include "fileio-label.h"
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#include "fileio.h"
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#include "format-util.h"
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#include "parse-util.h"
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#include "restrict-ifaces.h"
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#include "serialize.h"
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#include "string-table.h"
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#include "unit-serialize.h"
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#include "user-util.h"
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static int serialize_cgroup_mask(FILE *f, const char *key, CGroupMask mask) {
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_cleanup_free_ char *s = NULL;
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int r;
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assert(f);
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assert(key);
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if (mask == 0)
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return 0;
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r = cg_mask_to_string(mask, &s);
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if (r < 0)
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return log_error_errno(r, "Failed to format cgroup mask: %m");
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return serialize_item(f, key, s);
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}
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/* Make sure out values fit in the bitfield. */
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assert_cc(_UNIT_MARKER_MAX <= sizeof(((Unit){}).markers) * 8);
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static int serialize_markers(FILE *f, unsigned markers) {
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assert(f);
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if (markers == 0)
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return 0;
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fputs("markers=", f);
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for (UnitMarker m = 0; m < _UNIT_MARKER_MAX; m++)
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if (FLAGS_SET(markers, 1u << m))
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fputs(unit_marker_to_string(m), f);
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fputc('\n', f);
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return 0;
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}
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static int deserialize_markers(Unit *u, const char *value) {
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assert(u);
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assert(value);
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int r;
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for (const char *p = value;;) {
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_cleanup_free_ char *word = NULL;
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r = extract_first_word(&p, &word, NULL, 0);
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if (r <= 0)
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return r;
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UnitMarker m = unit_marker_from_string(word);
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if (m < 0) {
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log_unit_debug_errno(u, m, "Unknown unit marker \"%s\", ignoring.", word);
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continue;
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}
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u->markers |= 1u << m;
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}
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}
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static const char* const ip_accounting_metric_field_table[_CGROUP_IP_ACCOUNTING_METRIC_MAX] = {
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[CGROUP_IP_INGRESS_BYTES] = "ip-accounting-ingress-bytes",
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[CGROUP_IP_INGRESS_PACKETS] = "ip-accounting-ingress-packets",
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[CGROUP_IP_EGRESS_BYTES] = "ip-accounting-egress-bytes",
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[CGROUP_IP_EGRESS_PACKETS] = "ip-accounting-egress-packets",
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};
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DEFINE_PRIVATE_STRING_TABLE_LOOKUP(ip_accounting_metric_field, CGroupIPAccountingMetric);
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static const char* const io_accounting_metric_field_base_table[_CGROUP_IO_ACCOUNTING_METRIC_MAX] = {
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[CGROUP_IO_READ_BYTES] = "io-accounting-read-bytes-base",
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[CGROUP_IO_WRITE_BYTES] = "io-accounting-write-bytes-base",
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[CGROUP_IO_READ_OPERATIONS] = "io-accounting-read-operations-base",
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[CGROUP_IO_WRITE_OPERATIONS] = "io-accounting-write-operations-base",
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};
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DEFINE_PRIVATE_STRING_TABLE_LOOKUP(io_accounting_metric_field_base, CGroupIOAccountingMetric);
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static const char* const io_accounting_metric_field_last_table[_CGROUP_IO_ACCOUNTING_METRIC_MAX] = {
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[CGROUP_IO_READ_BYTES] = "io-accounting-read-bytes-last",
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[CGROUP_IO_WRITE_BYTES] = "io-accounting-write-bytes-last",
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[CGROUP_IO_READ_OPERATIONS] = "io-accounting-read-operations-last",
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[CGROUP_IO_WRITE_OPERATIONS] = "io-accounting-write-operations-last",
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};
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DEFINE_PRIVATE_STRING_TABLE_LOOKUP(io_accounting_metric_field_last, CGroupIOAccountingMetric);
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static const char* const memory_accounting_metric_field_last_table[_CGROUP_MEMORY_ACCOUNTING_METRIC_CACHED_LAST + 1] = {
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[CGROUP_MEMORY_PEAK] = "memory-accounting-peak",
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[CGROUP_MEMORY_SWAP_PEAK] = "memory-accounting-swap-peak",
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};
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DEFINE_PRIVATE_STRING_TABLE_LOOKUP(memory_accounting_metric_field_last, CGroupMemoryAccountingMetric);
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int unit_serialize_state(Unit *u, FILE *f, FDSet *fds, bool switching_root) {
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int r;
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assert(u);
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assert(f);
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assert(fds);
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if (switching_root && UNIT_VTABLE(u)->exclude_from_switch_root_serialization) {
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/* In the new root, paths for mounts and automounts will be different, so it doesn't make
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* much sense to serialize things. API file systems will be moved to the new root, but we
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* don't have mount units for those. */
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log_unit_debug(u, "not serializing before switch-root");
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return 0;
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}
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/* Start marker */
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fputs(u->id, f);
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fputc('\n', f);
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assert(!!UNIT_VTABLE(u)->serialize == !!UNIT_VTABLE(u)->deserialize_item);
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if (UNIT_VTABLE(u)->serialize) {
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r = UNIT_VTABLE(u)->serialize(u, f, fds);
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if (r < 0)
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return r;
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}
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(void) serialize_dual_timestamp(f, "state-change-timestamp", &u->state_change_timestamp);
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(void) serialize_dual_timestamp(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp);
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(void) serialize_dual_timestamp(f, "active-enter-timestamp", &u->active_enter_timestamp);
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(void) serialize_dual_timestamp(f, "active-exit-timestamp", &u->active_exit_timestamp);
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(void) serialize_dual_timestamp(f, "inactive-enter-timestamp", &u->inactive_enter_timestamp);
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(void) serialize_dual_timestamp(f, "condition-timestamp", &u->condition_timestamp);
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(void) serialize_dual_timestamp(f, "assert-timestamp", &u->assert_timestamp);
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(void) serialize_ratelimit(f, "start-ratelimit", &u->start_ratelimit);
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(void) serialize_ratelimit(f, "auto-start-stop-ratelimit", &u->auto_start_stop_ratelimit);
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if (dual_timestamp_is_set(&u->condition_timestamp))
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(void) serialize_bool(f, "condition-result", u->condition_result);
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if (dual_timestamp_is_set(&u->assert_timestamp))
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(void) serialize_bool(f, "assert-result", u->assert_result);
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(void) serialize_bool(f, "transient", u->transient);
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(void) serialize_bool(f, "in-audit", u->in_audit);
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(void) serialize_bool(f, "exported-invocation-id", u->exported_invocation_id);
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(void) serialize_bool(f, "exported-log-level-max", u->exported_log_level_max);
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(void) serialize_bool(f, "exported-log-extra-fields", u->exported_log_extra_fields);
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(void) serialize_bool(f, "exported-log-rate-limit-interval", u->exported_log_ratelimit_interval);
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(void) serialize_bool(f, "exported-log-rate-limit-burst", u->exported_log_ratelimit_burst);
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(void) serialize_item_format(f, "cpu-usage-base", "%" PRIu64, u->cpu_usage_base);
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if (u->cpu_usage_last != NSEC_INFINITY)
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(void) serialize_item_format(f, "cpu-usage-last", "%" PRIu64, u->cpu_usage_last);
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if (u->managed_oom_kill_last > 0)
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(void) serialize_item_format(f, "managed-oom-kill-last", "%" PRIu64, u->managed_oom_kill_last);
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if (u->oom_kill_last > 0)
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(void) serialize_item_format(f, "oom-kill-last", "%" PRIu64, u->oom_kill_last);
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for (CGroupIOAccountingMetric im = 0; im < _CGROUP_IO_ACCOUNTING_METRIC_MAX; im++) {
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(void) serialize_item_format(f, io_accounting_metric_field_base_to_string(im), "%" PRIu64, u->io_accounting_base[im]);
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if (u->io_accounting_last[im] != UINT64_MAX)
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(void) serialize_item_format(f, io_accounting_metric_field_last_to_string(im), "%" PRIu64, u->io_accounting_last[im]);
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}
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for (CGroupMemoryAccountingMetric metric = 0; metric <= _CGROUP_MEMORY_ACCOUNTING_METRIC_CACHED_LAST; metric++) {
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uint64_t v;
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r = unit_get_memory_accounting(u, metric, &v);
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if (r >= 0)
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(void) serialize_item_format(f, memory_accounting_metric_field_last_to_string(metric), "%" PRIu64, v);
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}
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if (u->cgroup_path)
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(void) serialize_item(f, "cgroup", u->cgroup_path);
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(void) serialize_bool(f, "cgroup-realized", u->cgroup_realized);
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(void) serialize_cgroup_mask(f, "cgroup-realized-mask", u->cgroup_realized_mask);
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(void) serialize_cgroup_mask(f, "cgroup-enabled-mask", u->cgroup_enabled_mask);
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(void) serialize_cgroup_mask(f, "cgroup-invalidated-mask", u->cgroup_invalidated_mask);
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(void) bpf_serialize_socket_bind(u, f, fds);
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(void) bpf_program_serialize_attachment(f, fds, "ip-bpf-ingress-installed", u->ip_bpf_ingress_installed);
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(void) bpf_program_serialize_attachment(f, fds, "ip-bpf-egress-installed", u->ip_bpf_egress_installed);
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(void) bpf_program_serialize_attachment(f, fds, "bpf-device-control-installed", u->bpf_device_control_installed);
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(void) bpf_program_serialize_attachment_set(f, fds, "ip-bpf-custom-ingress-installed", u->ip_bpf_custom_ingress_installed);
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(void) bpf_program_serialize_attachment_set(f, fds, "ip-bpf-custom-egress-installed", u->ip_bpf_custom_egress_installed);
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(void) serialize_restrict_network_interfaces(u, f, fds);
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if (uid_is_valid(u->ref_uid))
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(void) serialize_item_format(f, "ref-uid", UID_FMT, u->ref_uid);
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if (gid_is_valid(u->ref_gid))
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(void) serialize_item_format(f, "ref-gid", GID_FMT, u->ref_gid);
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if (!sd_id128_is_null(u->invocation_id))
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(void) serialize_item_format(f, "invocation-id", SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(u->invocation_id));
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(void) serialize_item_format(f, "freezer-state", "%s", freezer_state_to_string(unit_freezer_state(u)));
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(void) serialize_markers(f, u->markers);
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bus_track_serialize(u->bus_track, f, "ref");
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for (CGroupIPAccountingMetric m = 0; m < _CGROUP_IP_ACCOUNTING_METRIC_MAX; m++) {
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uint64_t v;
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r = unit_get_ip_accounting(u, m, &v);
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if (r >= 0)
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(void) serialize_item_format(f, ip_accounting_metric_field_to_string(m), "%" PRIu64, v);
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}
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if (!switching_root) {
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if (u->job) {
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fputs("job\n", f);
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job_serialize(u->job, f);
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}
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if (u->nop_job) {
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fputs("job\n", f);
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job_serialize(u->nop_job, f);
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}
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}
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/* End marker */
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fputc('\n', f);
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return 0;
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}
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static int unit_deserialize_job(Unit *u, FILE *f) {
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_cleanup_(job_freep) Job *j = NULL;
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int r;
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assert(u);
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assert(f);
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j = job_new_raw(u);
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if (!j)
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return log_oom();
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r = job_deserialize(j, f);
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if (r < 0)
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return r;
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r = job_install_deserialized(j);
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if (r < 0)
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return r;
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TAKE_PTR(j);
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return 0;
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}
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#define MATCH_DESERIALIZE(key, l, v, parse_func, target) \
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({ \
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bool _deserialize_matched = streq(l, key); \
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if (_deserialize_matched) { \
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int _deserialize_r = parse_func(v); \
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if (_deserialize_r < 0) \
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log_unit_debug_errno(u, _deserialize_r, \
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"Failed to parse \"%s=%s\", ignoring.", l, v); \
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else \
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target = _deserialize_r; \
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}; \
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_deserialize_matched; \
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})
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#define MATCH_DESERIALIZE_IMMEDIATE(key, l, v, parse_func, target) \
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({ \
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bool _deserialize_matched = streq(l, key); \
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if (_deserialize_matched) { \
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int _deserialize_r = parse_func(v, &target); \
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if (_deserialize_r < 0) \
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log_unit_debug_errno(u, _deserialize_r, \
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"Failed to parse \"%s=%s\", ignoring", l, v); \
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}; \
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_deserialize_matched; \
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})
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int unit_deserialize_state(Unit *u, FILE *f, FDSet *fds) {
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int r;
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assert(u);
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assert(f);
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assert(fds);
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for (;;) {
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_cleanup_free_ char *l = NULL;
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ssize_t m;
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size_t k;
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char *v;
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r = deserialize_read_line(f, &l);
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if (r < 0)
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return r;
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if (r == 0) /* eof or end marker */
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break;
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k = strcspn(l, "=");
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if (l[k] == '=') {
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l[k] = 0;
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v = l+k+1;
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} else
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v = l+k;
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if (streq(l, "job")) {
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if (v[0] == '\0') {
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/* New-style serialized job */
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r = unit_deserialize_job(u, f);
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if (r < 0)
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return r;
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} else /* Legacy for pre-44 */
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log_unit_warning(u, "Update from too old systemd versions are unsupported, cannot deserialize job: %s", v);
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continue;
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} else if (streq(l, "state-change-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->state_change_timestamp);
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continue;
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} else if (streq(l, "inactive-exit-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->inactive_exit_timestamp);
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continue;
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} else if (streq(l, "active-enter-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->active_enter_timestamp);
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continue;
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} else if (streq(l, "active-exit-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->active_exit_timestamp);
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continue;
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} else if (streq(l, "inactive-enter-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->inactive_enter_timestamp);
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continue;
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} else if (streq(l, "condition-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->condition_timestamp);
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continue;
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} else if (streq(l, "assert-timestamp")) {
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(void) deserialize_dual_timestamp(v, &u->assert_timestamp);
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continue;
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} else if (streq(l, "start-ratelimit")) {
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deserialize_ratelimit(&u->start_ratelimit, l, v);
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continue;
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} else if (streq(l, "auto-start-stop-ratelimit")) {
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deserialize_ratelimit(&u->auto_start_stop_ratelimit, l, v);
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continue;
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} else if (MATCH_DESERIALIZE("condition-result", l, v, parse_boolean, u->condition_result))
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continue;
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else if (MATCH_DESERIALIZE("assert-result", l, v, parse_boolean, u->assert_result))
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continue;
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else if (MATCH_DESERIALIZE("transient", l, v, parse_boolean, u->transient))
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continue;
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else if (MATCH_DESERIALIZE("in-audit", l, v, parse_boolean, u->in_audit))
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continue;
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else if (MATCH_DESERIALIZE("exported-invocation-id", l, v, parse_boolean, u->exported_invocation_id))
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continue;
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else if (MATCH_DESERIALIZE("exported-log-level-max", l, v, parse_boolean, u->exported_log_level_max))
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continue;
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else if (MATCH_DESERIALIZE("exported-log-extra-fields", l, v, parse_boolean, u->exported_log_extra_fields))
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continue;
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else if (MATCH_DESERIALIZE("exported-log-rate-limit-interval", l, v, parse_boolean, u->exported_log_ratelimit_interval))
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continue;
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else if (MATCH_DESERIALIZE("exported-log-rate-limit-burst", l, v, parse_boolean, u->exported_log_ratelimit_burst))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("cpu-usage-base", l, v, safe_atou64, u->cpu_usage_base) ||
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MATCH_DESERIALIZE_IMMEDIATE("cpuacct-usage-base", l, v, safe_atou64, u->cpu_usage_base))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("cpu-usage-last", l, v, safe_atou64, u->cpu_usage_last))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("managed-oom-kill-last", l, v, safe_atou64, u->managed_oom_kill_last))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("oom-kill-last", l, v, safe_atou64, u->oom_kill_last))
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continue;
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else if (streq(l, "cgroup")) {
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r = unit_set_cgroup_path(u, v);
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if (r < 0)
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log_unit_debug_errno(u, r, "Failed to set cgroup path %s, ignoring: %m", v);
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(void) unit_watch_cgroup(u);
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(void) unit_watch_cgroup_memory(u);
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continue;
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} else if (MATCH_DESERIALIZE("cgroup-realized", l, v, parse_boolean, u->cgroup_realized))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-realized-mask", l, v, cg_mask_from_string, u->cgroup_realized_mask))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-enabled-mask", l, v, cg_mask_from_string, u->cgroup_enabled_mask))
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continue;
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else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-invalidated-mask", l, v, cg_mask_from_string, u->cgroup_invalidated_mask))
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continue;
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else if (STR_IN_SET(l, "ipv4-socket-bind-bpf-link-fd", "ipv6-socket-bind-bpf-link-fd")) {
|
|
int fd;
|
|
|
|
fd = deserialize_fd(fds, v);
|
|
if (fd >= 0)
|
|
(void) bpf_socket_bind_add_initial_link_fd(u, fd);
|
|
continue;
|
|
|
|
} else if (streq(l, "ip-bpf-ingress-installed")) {
|
|
(void) bpf_program_deserialize_attachment(v, fds, &u->ip_bpf_ingress_installed);
|
|
continue;
|
|
} else if (streq(l, "ip-bpf-egress-installed")) {
|
|
(void) bpf_program_deserialize_attachment(v, fds, &u->ip_bpf_egress_installed);
|
|
continue;
|
|
} else if (streq(l, "bpf-device-control-installed")) {
|
|
(void) bpf_program_deserialize_attachment(v, fds, &u->bpf_device_control_installed);
|
|
continue;
|
|
|
|
} else if (streq(l, "ip-bpf-custom-ingress-installed")) {
|
|
(void) bpf_program_deserialize_attachment_set(v, fds, &u->ip_bpf_custom_ingress_installed);
|
|
continue;
|
|
} else if (streq(l, "ip-bpf-custom-egress-installed")) {
|
|
(void) bpf_program_deserialize_attachment_set(v, fds, &u->ip_bpf_custom_egress_installed);
|
|
continue;
|
|
|
|
} else if (streq(l, "restrict-ifaces-bpf-fd")) {
|
|
int fd;
|
|
|
|
fd = deserialize_fd(fds, v);
|
|
if (fd >= 0)
|
|
(void) restrict_network_interfaces_add_initial_link_fd(u, fd);
|
|
|
|
continue;
|
|
|
|
} else if (streq(l, "ref-uid")) {
|
|
uid_t uid;
|
|
|
|
r = parse_uid(v, &uid);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v);
|
|
else
|
|
unit_ref_uid_gid(u, uid, GID_INVALID);
|
|
continue;
|
|
|
|
} else if (streq(l, "ref-gid")) {
|
|
gid_t gid;
|
|
|
|
r = parse_gid(v, &gid);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v);
|
|
else
|
|
unit_ref_uid_gid(u, UID_INVALID, gid);
|
|
continue;
|
|
|
|
} else if (streq(l, "ref")) {
|
|
r = strv_extend(&u->deserialized_refs, v);
|
|
if (r < 0)
|
|
return log_oom();
|
|
continue;
|
|
|
|
} else if (streq(l, "invocation-id")) {
|
|
sd_id128_t id;
|
|
|
|
r = sd_id128_from_string(v, &id);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v);
|
|
else {
|
|
r = unit_set_invocation_id(u, id);
|
|
if (r < 0)
|
|
log_unit_warning_errno(u, r, "Failed to set invocation ID for unit: %m");
|
|
}
|
|
|
|
continue;
|
|
|
|
} else if (MATCH_DESERIALIZE("freezer-state", l, v, freezer_state_from_string, u->freezer_state))
|
|
continue;
|
|
|
|
else if (streq(l, "markers")) {
|
|
r = deserialize_markers(u, v);
|
|
if (r < 0)
|
|
log_unit_debug_errno(u, r, "Failed to deserialize \"%s=%s\", ignoring: %m", l, v);
|
|
continue;
|
|
}
|
|
|
|
m = memory_accounting_metric_field_last_from_string(l);
|
|
if (m >= 0) {
|
|
uint64_t c;
|
|
|
|
r = safe_atou64(v, &c);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse memory accounting last value %s, ignoring.", v);
|
|
else
|
|
u->memory_accounting_last[m] = c;
|
|
continue;
|
|
}
|
|
|
|
/* Check if this is an IP accounting metric serialization field */
|
|
m = ip_accounting_metric_field_from_string(l);
|
|
if (m >= 0) {
|
|
uint64_t c;
|
|
|
|
r = safe_atou64(v, &c);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse IP accounting value %s, ignoring.", v);
|
|
else
|
|
u->ip_accounting_extra[m] = c;
|
|
continue;
|
|
}
|
|
|
|
m = io_accounting_metric_field_base_from_string(l);
|
|
if (m >= 0) {
|
|
uint64_t c;
|
|
|
|
r = safe_atou64(v, &c);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse IO accounting base value %s, ignoring.", v);
|
|
else
|
|
u->io_accounting_base[m] = c;
|
|
continue;
|
|
}
|
|
|
|
m = io_accounting_metric_field_last_from_string(l);
|
|
if (m >= 0) {
|
|
uint64_t c;
|
|
|
|
r = safe_atou64(v, &c);
|
|
if (r < 0)
|
|
log_unit_debug(u, "Failed to parse IO accounting last value %s, ignoring.", v);
|
|
else
|
|
u->io_accounting_last[m] = c;
|
|
continue;
|
|
}
|
|
|
|
r = exec_shared_runtime_deserialize_compat(u, l, v, fds);
|
|
if (r < 0) {
|
|
log_unit_warning(u, "Failed to deserialize runtime parameter '%s', ignoring.", l);
|
|
continue;
|
|
} else if (r > 0)
|
|
/* Returns positive if key was handled by the call */
|
|
continue;
|
|
|
|
if (UNIT_VTABLE(u)->deserialize_item) {
|
|
r = UNIT_VTABLE(u)->deserialize_item(u, l, v, fds);
|
|
if (r < 0)
|
|
log_unit_warning(u, "Failed to deserialize unit parameter '%s', ignoring.", l);
|
|
}
|
|
}
|
|
|
|
/* Versions before 228 did not carry a state change timestamp. In this case, take the current
|
|
* time. This is useful, so that timeouts based on this timestamp don't trigger too early, and is
|
|
* in-line with the logic from before 228 where the base for timeouts was not persistent across
|
|
* reboots. */
|
|
|
|
if (!dual_timestamp_is_set(&u->state_change_timestamp))
|
|
dual_timestamp_now(&u->state_change_timestamp);
|
|
|
|
/* Let's make sure that everything that is deserialized also gets any potential new cgroup settings
|
|
* applied after we are done. For that we invalidate anything already realized, so that we can
|
|
* realize it again. */
|
|
if (u->cgroup_realized) {
|
|
unit_invalidate_cgroup(u, _CGROUP_MASK_ALL);
|
|
unit_invalidate_cgroup_bpf(u);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int unit_deserialize_state_skip(FILE *f) {
|
|
int r;
|
|
|
|
assert(f);
|
|
|
|
/* Skip serialized data for this unit. We don't know what it is. */
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *line = NULL;
|
|
|
|
r = read_stripped_line(f, LONG_LINE_MAX, &line);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to read serialization line: %m");
|
|
if (r == 0)
|
|
return 0;
|
|
|
|
/* End marker */
|
|
if (isempty(line))
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static void print_unit_dependency_mask(FILE *f, const char *kind, UnitDependencyMask mask, bool *space) {
|
|
const struct {
|
|
UnitDependencyMask mask;
|
|
const char *name;
|
|
} table[] = {
|
|
{ UNIT_DEPENDENCY_FILE, "file" },
|
|
{ UNIT_DEPENDENCY_IMPLICIT, "implicit" },
|
|
{ UNIT_DEPENDENCY_DEFAULT, "default" },
|
|
{ UNIT_DEPENDENCY_UDEV, "udev" },
|
|
{ UNIT_DEPENDENCY_PATH, "path" },
|
|
{ UNIT_DEPENDENCY_MOUNT_FILE, "mount-file" },
|
|
{ UNIT_DEPENDENCY_MOUNTINFO, "mountinfo" },
|
|
{ UNIT_DEPENDENCY_PROC_SWAP, "proc-swap" },
|
|
{ UNIT_DEPENDENCY_SLICE_PROPERTY, "slice-property" },
|
|
};
|
|
|
|
assert(f);
|
|
assert(kind);
|
|
assert(space);
|
|
|
|
for (size_t i = 0; i < ELEMENTSOF(table); i++) {
|
|
|
|
if (mask == 0)
|
|
break;
|
|
|
|
if (FLAGS_SET(mask, table[i].mask)) {
|
|
if (*space)
|
|
fputc(' ', f);
|
|
else
|
|
*space = true;
|
|
|
|
fputs(kind, f);
|
|
fputs("-", f);
|
|
fputs(table[i].name, f);
|
|
|
|
mask &= ~table[i].mask;
|
|
}
|
|
}
|
|
|
|
assert(mask == 0);
|
|
}
|
|
|
|
void unit_dump(Unit *u, FILE *f, const char *prefix) {
|
|
char *t;
|
|
const char *prefix2;
|
|
Unit *following;
|
|
_cleanup_set_free_ Set *following_set = NULL;
|
|
CGroupMask m;
|
|
int r;
|
|
|
|
assert(u);
|
|
assert(u->type >= 0);
|
|
|
|
prefix = strempty(prefix);
|
|
prefix2 = strjoina(prefix, "\t");
|
|
|
|
fprintf(f,
|
|
"%s-> Unit %s:\n",
|
|
prefix, u->id);
|
|
|
|
SET_FOREACH(t, u->aliases)
|
|
fprintf(f, "%s\tAlias: %s\n", prefix, t);
|
|
|
|
fprintf(f,
|
|
"%s\tDescription: %s\n"
|
|
"%s\tInstance: %s\n"
|
|
"%s\tUnit Load State: %s\n"
|
|
"%s\tUnit Active State: %s\n"
|
|
"%s\tState Change Timestamp: %s\n"
|
|
"%s\tInactive Exit Timestamp: %s\n"
|
|
"%s\tActive Enter Timestamp: %s\n"
|
|
"%s\tActive Exit Timestamp: %s\n"
|
|
"%s\tInactive Enter Timestamp: %s\n"
|
|
"%s\tMay GC: %s\n"
|
|
"%s\tNeed Daemon Reload: %s\n"
|
|
"%s\tTransient: %s\n"
|
|
"%s\tPerpetual: %s\n"
|
|
"%s\tGarbage Collection Mode: %s\n",
|
|
prefix, unit_description(u),
|
|
prefix, strna(u->instance),
|
|
prefix, unit_load_state_to_string(u->load_state),
|
|
prefix, unit_active_state_to_string(unit_active_state(u)),
|
|
prefix, strna(FORMAT_TIMESTAMP(u->state_change_timestamp.realtime)),
|
|
prefix, strna(FORMAT_TIMESTAMP(u->inactive_exit_timestamp.realtime)),
|
|
prefix, strna(FORMAT_TIMESTAMP(u->active_enter_timestamp.realtime)),
|
|
prefix, strna(FORMAT_TIMESTAMP(u->active_exit_timestamp.realtime)),
|
|
prefix, strna(FORMAT_TIMESTAMP(u->inactive_enter_timestamp.realtime)),
|
|
prefix, yes_no(unit_may_gc(u)),
|
|
prefix, yes_no(unit_need_daemon_reload(u)),
|
|
prefix, yes_no(u->transient),
|
|
prefix, yes_no(u->perpetual),
|
|
prefix, collect_mode_to_string(u->collect_mode));
|
|
|
|
if (u->markers != 0) {
|
|
fprintf(f, "%s\tMarkers:", prefix);
|
|
|
|
for (UnitMarker marker = 0; marker < _UNIT_MARKER_MAX; marker++)
|
|
if (FLAGS_SET(u->markers, 1u << marker))
|
|
fprintf(f, " %s", unit_marker_to_string(marker));
|
|
fputs("\n", f);
|
|
}
|
|
|
|
if (UNIT_HAS_CGROUP_CONTEXT(u)) {
|
|
fprintf(f,
|
|
"%s\tSlice: %s\n"
|
|
"%s\tCGroup: %s\n"
|
|
"%s\tCGroup realized: %s\n",
|
|
prefix, strna(unit_slice_name(u)),
|
|
prefix, strna(u->cgroup_path),
|
|
prefix, yes_no(u->cgroup_realized));
|
|
|
|
if (u->cgroup_realized_mask != 0) {
|
|
_cleanup_free_ char *s = NULL;
|
|
(void) cg_mask_to_string(u->cgroup_realized_mask, &s);
|
|
fprintf(f, "%s\tCGroup realized mask: %s\n", prefix, strnull(s));
|
|
}
|
|
|
|
if (u->cgroup_enabled_mask != 0) {
|
|
_cleanup_free_ char *s = NULL;
|
|
(void) cg_mask_to_string(u->cgroup_enabled_mask, &s);
|
|
fprintf(f, "%s\tCGroup enabled mask: %s\n", prefix, strnull(s));
|
|
}
|
|
|
|
m = unit_get_own_mask(u);
|
|
if (m != 0) {
|
|
_cleanup_free_ char *s = NULL;
|
|
(void) cg_mask_to_string(m, &s);
|
|
fprintf(f, "%s\tCGroup own mask: %s\n", prefix, strnull(s));
|
|
}
|
|
|
|
m = unit_get_members_mask(u);
|
|
if (m != 0) {
|
|
_cleanup_free_ char *s = NULL;
|
|
(void) cg_mask_to_string(m, &s);
|
|
fprintf(f, "%s\tCGroup members mask: %s\n", prefix, strnull(s));
|
|
}
|
|
|
|
m = unit_get_delegate_mask(u);
|
|
if (m != 0) {
|
|
_cleanup_free_ char *s = NULL;
|
|
(void) cg_mask_to_string(m, &s);
|
|
fprintf(f, "%s\tCGroup delegate mask: %s\n", prefix, strnull(s));
|
|
}
|
|
}
|
|
|
|
if (!sd_id128_is_null(u->invocation_id))
|
|
fprintf(f, "%s\tInvocation ID: " SD_ID128_FORMAT_STR "\n",
|
|
prefix, SD_ID128_FORMAT_VAL(u->invocation_id));
|
|
|
|
STRV_FOREACH(j, u->documentation)
|
|
fprintf(f, "%s\tDocumentation: %s\n", prefix, *j);
|
|
|
|
if (u->access_selinux_context)
|
|
fprintf(f, "%s\tAccess SELinux Context: %s\n", prefix, u->access_selinux_context);
|
|
|
|
following = unit_following(u);
|
|
if (following)
|
|
fprintf(f, "%s\tFollowing: %s\n", prefix, following->id);
|
|
|
|
r = unit_following_set(u, &following_set);
|
|
if (r >= 0) {
|
|
Unit *other;
|
|
|
|
SET_FOREACH(other, following_set)
|
|
fprintf(f, "%s\tFollowing Set Member: %s\n", prefix, other->id);
|
|
}
|
|
|
|
if (u->fragment_path)
|
|
fprintf(f, "%s\tFragment Path: %s\n", prefix, u->fragment_path);
|
|
|
|
if (u->source_path)
|
|
fprintf(f, "%s\tSource Path: %s\n", prefix, u->source_path);
|
|
|
|
STRV_FOREACH(j, u->dropin_paths)
|
|
fprintf(f, "%s\tDropIn Path: %s\n", prefix, *j);
|
|
|
|
if (u->failure_action != EMERGENCY_ACTION_NONE)
|
|
fprintf(f, "%s\tFailure Action: %s\n", prefix, emergency_action_to_string(u->failure_action));
|
|
if (u->failure_action_exit_status >= 0)
|
|
fprintf(f, "%s\tFailure Action Exit Status: %i\n", prefix, u->failure_action_exit_status);
|
|
if (u->success_action != EMERGENCY_ACTION_NONE)
|
|
fprintf(f, "%s\tSuccess Action: %s\n", prefix, emergency_action_to_string(u->success_action));
|
|
if (u->success_action_exit_status >= 0)
|
|
fprintf(f, "%s\tSuccess Action Exit Status: %i\n", prefix, u->success_action_exit_status);
|
|
|
|
if (u->job_timeout != USEC_INFINITY)
|
|
fprintf(f, "%s\tJob Timeout: %s\n", prefix, FORMAT_TIMESPAN(u->job_timeout, 0));
|
|
|
|
if (u->job_timeout_action != EMERGENCY_ACTION_NONE)
|
|
fprintf(f, "%s\tJob Timeout Action: %s\n", prefix, emergency_action_to_string(u->job_timeout_action));
|
|
|
|
if (u->job_timeout_reboot_arg)
|
|
fprintf(f, "%s\tJob Timeout Reboot Argument: %s\n", prefix, u->job_timeout_reboot_arg);
|
|
|
|
condition_dump_list(u->conditions, f, prefix, condition_type_to_string);
|
|
condition_dump_list(u->asserts, f, prefix, assert_type_to_string);
|
|
|
|
if (dual_timestamp_is_set(&u->condition_timestamp))
|
|
fprintf(f,
|
|
"%s\tCondition Timestamp: %s\n"
|
|
"%s\tCondition Result: %s\n",
|
|
prefix, strna(FORMAT_TIMESTAMP(u->condition_timestamp.realtime)),
|
|
prefix, yes_no(u->condition_result));
|
|
|
|
if (dual_timestamp_is_set(&u->assert_timestamp))
|
|
fprintf(f,
|
|
"%s\tAssert Timestamp: %s\n"
|
|
"%s\tAssert Result: %s\n",
|
|
prefix, strna(FORMAT_TIMESTAMP(u->assert_timestamp.realtime)),
|
|
prefix, yes_no(u->assert_result));
|
|
|
|
for (UnitDependency d = 0; d < _UNIT_DEPENDENCY_MAX; d++) {
|
|
UnitDependencyInfo di;
|
|
Unit *other;
|
|
|
|
HASHMAP_FOREACH_KEY(di.data, other, unit_get_dependencies(u, d)) {
|
|
bool space = false;
|
|
|
|
fprintf(f, "%s\t%s: %s (", prefix, unit_dependency_to_string(d), other->id);
|
|
|
|
print_unit_dependency_mask(f, "origin", di.origin_mask, &space);
|
|
print_unit_dependency_mask(f, "destination", di.destination_mask, &space);
|
|
|
|
fputs(")\n", f);
|
|
}
|
|
}
|
|
|
|
for (UnitMountDependencyType type = 0; type < _UNIT_MOUNT_DEPENDENCY_TYPE_MAX; type++)
|
|
if (!hashmap_isempty(u->mounts_for[type])) {
|
|
UnitDependencyInfo di;
|
|
const char *path;
|
|
|
|
HASHMAP_FOREACH_KEY(di.data, path, u->mounts_for[type]) {
|
|
bool space = false;
|
|
|
|
fprintf(f,
|
|
"%s\t%s: %s (",
|
|
prefix,
|
|
unit_mount_dependency_type_to_string(type),
|
|
path);
|
|
|
|
print_unit_dependency_mask(f, "origin", di.origin_mask, &space);
|
|
print_unit_dependency_mask(f, "destination", di.destination_mask, &space);
|
|
|
|
fputs(")\n", f);
|
|
}
|
|
}
|
|
|
|
if (u->load_state == UNIT_LOADED) {
|
|
|
|
fprintf(f,
|
|
"%s\tStopWhenUnneeded: %s\n"
|
|
"%s\tRefuseManualStart: %s\n"
|
|
"%s\tRefuseManualStop: %s\n"
|
|
"%s\tDefaultDependencies: %s\n"
|
|
"%s\tSurviveFinalKillSignal: %s\n"
|
|
"%s\tOnSuccessJobMode: %s\n"
|
|
"%s\tOnFailureJobMode: %s\n"
|
|
"%s\tIgnoreOnIsolate: %s\n",
|
|
prefix, yes_no(u->stop_when_unneeded),
|
|
prefix, yes_no(u->refuse_manual_start),
|
|
prefix, yes_no(u->refuse_manual_stop),
|
|
prefix, yes_no(u->default_dependencies),
|
|
prefix, yes_no(u->survive_final_kill_signal),
|
|
prefix, job_mode_to_string(u->on_success_job_mode),
|
|
prefix, job_mode_to_string(u->on_failure_job_mode),
|
|
prefix, yes_no(u->ignore_on_isolate));
|
|
|
|
if (UNIT_VTABLE(u)->dump)
|
|
UNIT_VTABLE(u)->dump(u, f, prefix2);
|
|
|
|
} else if (u->load_state == UNIT_MERGED)
|
|
fprintf(f,
|
|
"%s\tMerged into: %s\n",
|
|
prefix, u->merged_into->id);
|
|
else if (u->load_state == UNIT_ERROR) {
|
|
errno = abs(u->load_error);
|
|
fprintf(f, "%s\tLoad Error Code: %m\n", prefix);
|
|
}
|
|
|
|
for (const char *n = sd_bus_track_first(u->bus_track); n; n = sd_bus_track_next(u->bus_track))
|
|
fprintf(f, "%s\tBus Ref: %s\n", prefix, n);
|
|
|
|
if (u->job)
|
|
job_dump(u->job, f, prefix2);
|
|
|
|
if (u->nop_job)
|
|
job_dump(u->nop_job, f, prefix2);
|
|
}
|