#include "extract-word.h"
#include "fd-util.h"
#include "fileio.h"
-#include "formats-util.h"
+#include "format-util.h"
#include "fs-util.h"
#include "hashmap.h"
#include "hostname-util.h"
#include "string-table.h"
#include "string-util.h"
#include "user-util.h"
+#include "syslog-util.h"
#define USER_JOURNALS_MAX 1024
/* The period to insert between posting changes for coalescing */
#define POST_CHANGE_TIMER_INTERVAL_USEC (250*USEC_PER_MSEC)
-static int determine_space_for(
- Server *s,
- JournalMetrics *metrics,
- const char *path,
- const char *name,
- bool verbose,
- bool patch_min_use,
- uint64_t *available,
- uint64_t *limit) {
-
- uint64_t sum = 0, ss_avail, avail;
+static int determine_path_usage(Server *s, const char *path, uint64_t *ret_used, uint64_t *ret_free) {
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
struct statvfs ss;
- const char *p;
- usec_t ts;
-
- assert(s);
- assert(metrics);
- assert(path);
- assert(name);
-
- ts = now(CLOCK_MONOTONIC);
-
- if (!verbose && s->cached_space_timestamp + RECHECK_SPACE_USEC > ts) {
-
- if (available)
- *available = s->cached_space_available;
- if (limit)
- *limit = s->cached_space_limit;
- return 0;
- }
+ assert(ret_used);
+ assert(ret_free);
- p = strjoina(path, SERVER_MACHINE_ID(s));
- d = opendir(p);
+ d = opendir(path);
if (!d)
- return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to open %s: %m", p);
+ return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR,
+ errno, "Failed to open %s: %m", path);
if (fstatvfs(dirfd(d), &ss) < 0)
- return log_error_errno(errno, "Failed to fstatvfs(%s): %m", p);
+ return log_error_errno(errno, "Failed to fstatvfs(%s): %m", path);
+ *ret_free = ss.f_bsize * ss.f_bavail;
+ *ret_used = 0;
FOREACH_DIRENT_ALL(de, d, break) {
struct stat st;
continue;
if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
- log_debug_errno(errno, "Failed to stat %s/%s, ignoring: %m", p, de->d_name);
+ log_debug_errno(errno, "Failed to stat %s/%s, ignoring: %m", path, de->d_name);
continue;
}
if (!S_ISREG(st.st_mode))
continue;
- sum += (uint64_t) st.st_blocks * 512UL;
+ *ret_used += (uint64_t) st.st_blocks * 512UL;
}
- /* If requested, then let's bump the min_use limit to the
- * current usage on disk. We do this when starting up and
- * first opening the journal files. This way sudden spikes in
- * disk usage will not cause journald to vacuum files without
- * bounds. Note that this means that only a restart of
- * journald will make it reset this value. */
-
- if (patch_min_use)
- metrics->min_use = MAX(metrics->min_use, sum);
-
- ss_avail = ss.f_bsize * ss.f_bavail;
- avail = LESS_BY(ss_avail, metrics->keep_free);
-
- s->cached_space_limit = MIN(MAX(sum + avail, metrics->min_use), metrics->max_use);
- s->cached_space_available = LESS_BY(s->cached_space_limit, sum);
- s->cached_space_timestamp = ts;
-
- if (verbose) {
- char fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],
- fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX], fb6[FORMAT_BYTES_MAX];
- format_bytes(fb1, sizeof(fb1), sum);
- format_bytes(fb2, sizeof(fb2), metrics->max_use);
- format_bytes(fb3, sizeof(fb3), metrics->keep_free);
- format_bytes(fb4, sizeof(fb4), ss_avail);
- format_bytes(fb5, sizeof(fb5), s->cached_space_limit);
- format_bytes(fb6, sizeof(fb6), s->cached_space_available);
-
- server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
- LOG_MESSAGE("%s (%s) is %s, max %s, %s free.",
- name, path, fb1, fb5, fb6),
- "JOURNAL_NAME=%s", name,
- "JOURNAL_PATH=%s", path,
- "CURRENT_USE=%"PRIu64, sum,
- "CURRENT_USE_PRETTY=%s", fb1,
- "MAX_USE=%"PRIu64, metrics->max_use,
- "MAX_USE_PRETTY=%s", fb2,
- "DISK_KEEP_FREE=%"PRIu64, metrics->keep_free,
- "DISK_KEEP_FREE_PRETTY=%s", fb3,
- "DISK_AVAILABLE=%"PRIu64, ss_avail,
- "DISK_AVAILABLE_PRETTY=%s", fb4,
- "LIMIT=%"PRIu64, s->cached_space_limit,
- "LIMIT_PRETTY=%s", fb5,
- "AVAILABLE=%"PRIu64, s->cached_space_available,
- "AVAILABLE_PRETTY=%s", fb6,
- NULL);
- }
+ return 0;
+}
+
+static void cache_space_invalidate(JournalStorageSpace *space) {
+ memset(space, 0, sizeof(*space));
+}
+
+static int cache_space_refresh(Server *s, JournalStorage *storage) {
+ JournalStorageSpace *space;
+ JournalMetrics *metrics;
+ uint64_t vfs_used, vfs_avail, avail;
+ usec_t ts;
+ int r;
+
+ assert(s);
+
+ metrics = &storage->metrics;
+ space = &storage->space;
+
+ ts = now(CLOCK_MONOTONIC);
+
+ if (space->timestamp != 0 && space->timestamp + RECHECK_SPACE_USEC > ts)
+ return 0;
- if (available)
- *available = s->cached_space_available;
- if (limit)
- *limit = s->cached_space_limit;
+ r = determine_path_usage(s, storage->path, &vfs_used, &vfs_avail);
+ if (r < 0)
+ return r;
+
+ space->vfs_used = vfs_used;
+ space->vfs_available = vfs_avail;
+ avail = LESS_BY(vfs_avail, metrics->keep_free);
+
+ space->limit = MIN(MAX(vfs_used + avail, metrics->min_use), metrics->max_use);
+ space->available = LESS_BY(space->limit, vfs_used);
+ space->timestamp = ts;
return 1;
}
-static int determine_space(Server *s, bool verbose, bool patch_min_use, uint64_t *available, uint64_t *limit) {
- JournalMetrics *metrics;
- const char *path, *name;
+static void patch_min_use(JournalStorage *storage) {
+ assert(storage);
+
+ /* Let's bump the min_use limit to the current usage on disk. We do
+ * this when starting up and first opening the journal files. This way
+ * sudden spikes in disk usage will not cause journald to vacuum files
+ * without bounds. Note that this means that only a restart of journald
+ * will make it reset this value. */
+
+ storage->metrics.min_use = MAX(storage->metrics.min_use, storage->space.vfs_used);
+}
+
+
+static int determine_space(Server *s, uint64_t *available, uint64_t *limit) {
+ JournalStorage *js;
+ int r;
assert(s);
- if (s->system_journal) {
- path = "/var/log/journal/";
- metrics = &s->system_metrics;
- name = "System journal";
- } else {
- path = "/run/log/journal/";
- metrics = &s->runtime_metrics;
- name = "Runtime journal";
+ js = s->system_journal ? &s->system_storage : &s->runtime_storage;
+
+ r = cache_space_refresh(s, js);
+ if (r >= 0) {
+ if (available)
+ *available = js->space.available;
+ if (limit)
+ *limit = js->space.limit;
}
+ return r;
+}
+
+void server_space_usage_message(Server *s, JournalStorage *storage) {
+ char fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],
+ fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX], fb6[FORMAT_BYTES_MAX];
+ JournalMetrics *metrics;
+
+ assert(s);
+
+ if (!storage)
+ storage = s->system_journal ? &s->system_storage : &s->runtime_storage;
+
+ if (cache_space_refresh(s, storage) < 0)
+ return;
- return determine_space_for(s, metrics, path, name, verbose, patch_min_use, available, limit);
+ metrics = &storage->metrics;
+ format_bytes(fb1, sizeof(fb1), storage->space.vfs_used);
+ format_bytes(fb2, sizeof(fb2), metrics->max_use);
+ format_bytes(fb3, sizeof(fb3), metrics->keep_free);
+ format_bytes(fb4, sizeof(fb4), storage->space.vfs_available);
+ format_bytes(fb5, sizeof(fb5), storage->space.limit);
+ format_bytes(fb6, sizeof(fb6), storage->space.available);
+
+ server_driver_message(s, "MESSAGE_ID=" SD_MESSAGE_JOURNAL_USAGE_STR,
+ LOG_MESSAGE("%s (%s) is %s, max %s, %s free.",
+ storage->name, storage->path, fb1, fb5, fb6),
+ "JOURNAL_NAME=%s", storage->name,
+ "JOURNAL_PATH=%s", storage->path,
+ "CURRENT_USE=%"PRIu64, storage->space.vfs_used,
+ "CURRENT_USE_PRETTY=%s", fb1,
+ "MAX_USE=%"PRIu64, metrics->max_use,
+ "MAX_USE_PRETTY=%s", fb2,
+ "DISK_KEEP_FREE=%"PRIu64, metrics->keep_free,
+ "DISK_KEEP_FREE_PRETTY=%s", fb3,
+ "DISK_AVAILABLE=%"PRIu64, storage->space.vfs_available,
+ "DISK_AVAILABLE_PRETTY=%s", fb4,
+ "LIMIT=%"PRIu64, storage->space.limit,
+ "LIMIT_PRETTY=%s", fb5,
+ "AVAILABLE=%"PRIu64, storage->space.available,
+ "AVAILABLE_PRETTY=%s", fb6,
+ NULL);
}
static void server_add_acls(JournalFile *f, uid_t uid) {
}
static bool flushed_flag_is_set(void) {
- return (access("/run/systemd/journal/flushed", F_OK) >= 0);
+ return access("/run/systemd/journal/flushed", F_OK) >= 0;
}
static int system_journal_open(Server *s, bool flush_requested) {
- bool flushed = false;
const char *fn;
int r = 0;
if (!s->system_journal &&
- (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
- (flush_requested || (flushed = flushed_flag_is_set()))) {
+ IN_SET(s->storage, STORAGE_PERSISTENT, STORAGE_AUTO) &&
+ (flush_requested || flushed_flag_is_set())) {
/* If in auto mode: first try to create the machine
* path, but not the prefix.
if (s->storage == STORAGE_PERSISTENT)
(void) mkdir_p("/var/log/journal/", 0755);
- fn = strjoina("/var/log/journal/", SERVER_MACHINE_ID(s));
- (void) mkdir(fn, 0755);
+ (void) mkdir(s->system_storage.path, 0755);
- fn = strjoina(fn, "/system.journal");
- r = open_journal(s, true, fn, O_RDWR|O_CREAT, s->seal, &s->system_metrics, &s->system_journal);
+ fn = strjoina(s->system_storage.path, "/system.journal");
+ r = open_journal(s, true, fn, O_RDWR|O_CREAT, s->seal, &s->system_storage.metrics, &s->system_journal);
if (r >= 0) {
server_add_acls(s->system_journal, 0);
- (void) determine_space_for(s, &s->system_metrics, "/var/log/journal/", "System journal", true, true, NULL, NULL);
+ (void) cache_space_refresh(s, &s->system_storage);
+ patch_min_use(&s->system_storage);
} else if (r < 0) {
if (r != -ENOENT && r != -EROFS)
log_warning_errno(r, "Failed to open system journal: %m");
* Perform an implicit flush to var, leaving the runtime
* journal closed, now that the system journal is back.
*/
- if (s->runtime_journal && flushed)
- (void) server_flush_to_var(s);
+ if (!flush_requested)
+ (void) server_flush_to_var(s, true);
}
if (!s->runtime_journal &&
(s->storage != STORAGE_NONE)) {
- fn = strjoina("/run/log/journal/", SERVER_MACHINE_ID(s), "/system.journal");
+ fn = strjoina(s->runtime_storage.path, "/system.journal");
if (s->system_journal) {
* if it already exists, so that we can flush
* it into the system journal */
- r = open_journal(s, false, fn, O_RDWR, false, &s->runtime_metrics, &s->runtime_journal);
+ r = open_journal(s, false, fn, O_RDWR, false, &s->runtime_storage.metrics, &s->runtime_journal);
if (r < 0) {
if (r != -ENOENT)
log_warning_errno(r, "Failed to open runtime journal: %m");
(void) mkdir("/run/log/journal", 0755);
(void) mkdir_parents(fn, 0750);
- r = open_journal(s, true, fn, O_RDWR|O_CREAT, false, &s->runtime_metrics, &s->runtime_journal);
+ r = open_journal(s, true, fn, O_RDWR|O_CREAT, false, &s->runtime_storage.metrics, &s->runtime_journal);
if (r < 0)
return log_error_errno(r, "Failed to open runtime journal: %m");
}
if (s->runtime_journal) {
server_add_acls(s->runtime_journal, 0);
- (void) determine_space_for(s, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", true, true, NULL, NULL);
+ (void) cache_space_refresh(s, &s->runtime_storage);
+ patch_min_use(&s->runtime_storage);
}
}
(void) journal_file_close(f);
}
- r = open_journal(s, true, p, O_RDWR|O_CREAT, s->seal, &s->system_metrics, &f);
+ r = open_journal(s, true, p, O_RDWR|O_CREAT, s->seal, &s->system_storage.metrics, &f);
if (r < 0)
return s->system_journal;
s->sync_scheduled = false;
}
-static void do_vacuum(
- Server *s,
- JournalFile *f,
- JournalMetrics *metrics,
- const char *path,
- const char *name,
- bool verbose,
- bool patch_min_use) {
+static void do_vacuum(Server *s, JournalStorage *storage, bool verbose) {
- const char *p;
- uint64_t limit;
int r;
assert(s);
- assert(metrics);
- assert(path);
- assert(name);
+ assert(storage);
- if (!f)
- return;
-
- p = strjoina(path, SERVER_MACHINE_ID(s));
+ (void) cache_space_refresh(s, storage);
- limit = metrics->max_use;
- (void) determine_space_for(s, metrics, path, name, verbose, patch_min_use, NULL, &limit);
+ if (verbose)
+ server_space_usage_message(s, storage);
- r = journal_directory_vacuum(p, limit, metrics->n_max_files, s->max_retention_usec, &s->oldest_file_usec, verbose);
+ r = journal_directory_vacuum(storage->path, storage->space.limit,
+ storage->metrics.n_max_files, s->max_retention_usec,
+ &s->oldest_file_usec, verbose);
if (r < 0 && r != -ENOENT)
- log_warning_errno(r, "Failed to vacuum %s, ignoring: %m", p);
+ log_warning_errno(r, "Failed to vacuum %s, ignoring: %m", storage->path);
+
+ cache_space_invalidate(&storage->space);
}
-int server_vacuum(Server *s, bool verbose, bool patch_min_use) {
+int server_vacuum(Server *s, bool verbose) {
assert(s);
log_debug("Vacuuming...");
s->oldest_file_usec = 0;
- do_vacuum(s, s->system_journal, &s->system_metrics, "/var/log/journal/", "System journal", verbose, patch_min_use);
- do_vacuum(s, s->runtime_journal, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", verbose, patch_min_use);
-
- s->cached_space_limit = 0;
- s->cached_space_available = 0;
- s->cached_space_timestamp = 0;
+ if (s->system_journal)
+ do_vacuum(s, &s->system_storage, verbose);
+ if (s->runtime_journal)
+ do_vacuum(s, &s->runtime_storage, verbose);
return 0;
}
static bool shall_try_append_again(JournalFile *f, int r) {
switch(r) {
+
case -E2BIG: /* Hit configured limit */
case -EFBIG: /* Hit fs limit */
case -EDQUOT: /* Quota limit hit */
case -ENOSPC: /* Disk full */
log_debug("%s: Allocation limit reached, rotating.", f->path);
return true;
+
case -EIO: /* I/O error of some kind (mmap) */
log_warning("%s: IO error, rotating.", f->path);
return true;
+
case -EHOSTDOWN: /* Other machine */
log_info("%s: Journal file from other machine, rotating.", f->path);
return true;
+
case -EBUSY: /* Unclean shutdown */
log_info("%s: Unclean shutdown, rotating.", f->path);
return true;
+
case -EPROTONOSUPPORT: /* Unsupported feature */
log_info("%s: Unsupported feature, rotating.", f->path);
return true;
+
case -EBADMSG: /* Corrupted */
case -ENODATA: /* Truncated */
case -ESHUTDOWN: /* Already archived */
log_warning("%s: Journal file corrupted, rotating.", f->path);
return true;
+
case -EIDRM: /* Journal file has been deleted */
log_warning("%s: Journal file has been deleted, rotating.", f->path);
return true;
+
+ case -ETXTBSY: /* Journal file is from the future */
+ log_warning("%s: Journal file is from the future, rotating.", f->path);
+ return true;
+
default:
return false;
}
}
static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {
+ bool vacuumed = false, rotate = false;
+ struct dual_timestamp ts;
JournalFile *f;
- bool vacuumed = false;
int r;
assert(s);
assert(iovec);
assert(n > 0);
- f = find_journal(s, uid);
- if (!f)
- return;
+ /* Get the closest, linearized time we have for this log event from the event loop. (Note that we do not use
+ * the source time, and not even the time the event was originally seen, but instead simply the time we started
+ * processing it, as we want strictly linear ordering in what we write out.) */
+ assert_se(sd_event_now(s->event, CLOCK_REALTIME, &ts.realtime) >= 0);
+ assert_se(sd_event_now(s->event, CLOCK_MONOTONIC, &ts.monotonic) >= 0);
- if (journal_file_rotate_suggested(f, s->max_file_usec)) {
- log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);
+ if (ts.realtime < s->last_realtime_clock) {
+ /* When the time jumps backwards, let's immediately rotate. Of course, this should not happen during
+ * regular operation. However, when it does happen, then we should make sure that we start fresh files
+ * to ensure that the entries in the journal files are strictly ordered by time, in order to ensure
+ * bisection works correctly. */
+
+ log_debug("Time jumped backwards, rotating.");
+ rotate = true;
+ } else {
+
+ f = find_journal(s, uid);
+ if (!f)
+ return;
+
+ if (journal_file_rotate_suggested(f, s->max_file_usec)) {
+ log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);
+ rotate = true;
+ }
+ }
+
+ if (rotate) {
server_rotate(s);
- server_vacuum(s, false, false);
+ server_vacuum(s, false);
vacuumed = true;
f = find_journal(s, uid);
return;
}
- r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
+ s->last_realtime_clock = ts.realtime;
+
+ r = journal_file_append_entry(f, &ts, iovec, n, &s->seqnum, NULL, NULL);
if (r >= 0) {
server_schedule_sync(s, priority);
return;
}
server_rotate(s);
- server_vacuum(s, false, false);
+ server_vacuum(s, false);
f = find_journal(s, uid);
if (!f)
return;
log_debug("Retrying write.");
- r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
+ r = journal_file_append_entry(f, &ts, iovec, n, &s->seqnum, NULL, NULL);
if (r < 0)
log_error_errno(r, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
else
if (!escaped)
return -ENOMEM;
- p = strjoin(cgroup_root, "/", slice_path, "/", escaped, NULL);
+ p = strjoin(cgroup_root, "/", slice_path, "/", escaped);
if (!p)
return -ENOMEM;
const char *label, size_t label_len,
const char *unit_id,
int priority,
- pid_t object_pid) {
+ pid_t object_pid,
+ char *cgroup) {
char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],
}
#endif
- r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);
+ r = 0;
+ if (cgroup)
+ c = cgroup;
+ else
+ r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);
+
if (r >= 0) {
_cleanup_free_ char *raw_unit = NULL, *raw_slice = NULL;
char *session = NULL;
}
}
- free(c);
+ if (!cgroup)
+ free(c);
} else if (unit_id) {
x = strjoina("_SYSTEMD_UNIT=", unit_id);
IOVEC_SET_STRING(iovec[n++], x);
}
#ifdef HAVE_SELINUX
- if (mac_selinux_have()) {
+ if (mac_selinux_use()) {
if (label) {
x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);
write_to_journal(s, journal_uid, iovec, n, priority);
}
-void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
- char mid[11 + 32 + 1];
+void server_driver_message(Server *s, const char *message_id, const char *format, ...) {
struct iovec iovec[N_IOVEC_META_FIELDS + 5 + N_IOVEC_PAYLOAD_FIELDS];
unsigned n = 0, m;
int r;
assert_cc(6 == LOG_INFO);
IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");
- if (!sd_id128_is_null(message_id)) {
- snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));
- IOVEC_SET_STRING(iovec[n++], mid);
- }
-
+ if (message_id)
+ IOVEC_SET_STRING(iovec[n++], message_id);
m = n;
va_start(ap, format);
ucred.gid = getgid();
if (r >= 0)
- dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
+ dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0, NULL);
while (m < n)
free(iovec[m++].iov_base);
n = 3;
IOVEC_SET_STRING(iovec[n++], "PRIORITY=4");
IOVEC_SET_STRING(iovec[n++], buf);
- dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
+ dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0, NULL);
}
}
int rl, r;
_cleanup_free_ char *path = NULL;
uint64_t available = 0;
- char *c;
+ char *c = NULL;
assert(s);
assert(iovec || n == 0);
}
}
- (void) determine_space(s, false, false, &available, NULL);
+ (void) determine_space(s, &available, NULL);
rl = journal_rate_limit_test(s->rate_limit, path, priority & LOG_PRIMASK, available);
if (rl == 0)
return;
/* Write a suppression message if we suppressed something */
if (rl > 1)
- server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
+ server_driver_message(s, "MESSAGE_ID=" SD_MESSAGE_JOURNAL_DROPPED_STR,
LOG_MESSAGE("Suppressed %u messages from %s", rl - 1, path),
NULL);
finish:
- dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
+ /* restore cgroup path for logging */
+ if (c)
+ *c = '/';
+ dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid, path);
}
-int server_flush_to_var(Server *s) {
+int server_flush_to_var(Server *s, bool require_flag_file) {
sd_id128_t machine;
sd_journal *j = NULL;
char ts[FORMAT_TIMESPAN_MAX];
assert(s);
- if (s->storage != STORAGE_AUTO &&
- s->storage != STORAGE_PERSISTENT)
+ if (!IN_SET(s->storage, STORAGE_AUTO, STORAGE_PERSISTENT))
return 0;
if (!s->runtime_journal)
return 0;
+ if (require_flag_file && !flushed_flag_is_set())
+ return 0;
+
(void) system_journal_open(s, true);
if (!s->system_journal)
}
server_rotate(s);
- server_vacuum(s, false, false);
+ server_vacuum(s, false);
if (!s->system_journal) {
log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");
sd_journal_close(j);
- server_driver_message(s, SD_ID128_NULL,
+ server_driver_message(s, NULL,
LOG_MESSAGE("Time spent on flushing to /var is %s for %u entries.",
format_timespan(ts, sizeof(ts), now(CLOCK_MONOTONIC) - start, 0),
n),
log_info("Received request to flush runtime journal from PID " PID_FMT, si->ssi_pid);
- (void) server_flush_to_var(s);
+ (void) server_flush_to_var(s, false);
server_sync(s);
- server_vacuum(s, false, false);
+ server_vacuum(s, false);
r = touch("/run/systemd/journal/flushed");
if (r < 0)
log_warning_errno(r, "Failed to touch /run/systemd/journal/flushed, ignoring: %m");
+ server_space_usage_message(s, NULL);
return 0;
}
log_info("Received request to rotate journal from PID " PID_FMT, si->ssi_pid);
server_rotate(s);
- server_vacuum(s, true, true);
+ server_vacuum(s, true);
+
+ if (s->system_journal)
+ patch_min_use(&s->system_storage);
+ if (s->runtime_journal)
+ patch_min_use(&s->runtime_storage);
/* Let clients know when the most recent rotation happened. */
r = write_timestamp_file_atomic("/run/systemd/journal/rotated", now(CLOCK_MONOTONIC));
assert(s);
- assert(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, SIGRTMIN+1, -1) >= 0);
+ assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, SIGRTMIN+1, -1) >= 0);
r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s);
if (r < 0)
return 0;
}
-static int server_parse_proc_cmdline(Server *s) {
- _cleanup_free_ char *line = NULL;
- const char *p;
+static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
+ Server *s = data;
int r;
- r = proc_cmdline(&line);
- if (r < 0) {
- log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
- return 0;
- }
+ assert(s);
- p = line;
- for (;;) {
- _cleanup_free_ char *word = NULL;
+ if (proc_cmdline_key_streq(key, "systemd.journald.forward_to_syslog")) {
- r = extract_first_word(&p, &word, NULL, 0);
+ r = value ? parse_boolean(value) : true;
if (r < 0)
- return log_error_errno(r, "Failed to parse journald syntax \"%s\": %m", line);
+ log_warning("Failed to parse forward to syslog switch \"%s\". Ignoring.", value);
+ else
+ s->forward_to_syslog = r;
- if (r == 0)
- break;
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.forward_to_kmsg")) {
- if (startswith(word, "systemd.journald.forward_to_syslog=")) {
- r = parse_boolean(word + 35);
- if (r < 0)
- log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
- else
- s->forward_to_syslog = r;
- } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {
- r = parse_boolean(word + 33);
- if (r < 0)
- log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
- else
- s->forward_to_kmsg = r;
- } else if (startswith(word, "systemd.journald.forward_to_console=")) {
- r = parse_boolean(word + 36);
- if (r < 0)
- log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);
- else
- s->forward_to_console = r;
- } else if (startswith(word, "systemd.journald.forward_to_wall=")) {
- r = parse_boolean(word + 33);
- if (r < 0)
- log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33);
- else
- s->forward_to_wall = r;
- } else if (startswith(word, "systemd.journald"))
- log_warning("Invalid systemd.journald parameter. Ignoring.");
- }
+ r = value ? parse_boolean(value) : true;
+ if (r < 0)
+ log_warning("Failed to parse forward to kmsg switch \"%s\". Ignoring.", value);
+ else
+ s->forward_to_kmsg = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.forward_to_console")) {
+
+ r = value ? parse_boolean(value) : true;
+ if (r < 0)
+ log_warning("Failed to parse forward to console switch \"%s\". Ignoring.", value);
+ else
+ s->forward_to_console = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.forward_to_wall")) {
+
+ r = value ? parse_boolean(value) : true;
+ if (r < 0)
+ log_warning("Failed to parse forward to wall switch \"%s\". Ignoring.", value);
+ else
+ s->forward_to_wall = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.max_level_console")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
+
+ r = log_level_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse max level console value \"%s\". Ignoring.", value);
+ else
+ s->max_level_console = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.max_level_store")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
+
+ r = log_level_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse max level store value \"%s\". Ignoring.", value);
+ else
+ s->max_level_store = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.max_level_syslog")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
+
+ r = log_level_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse max level syslog value \"%s\". Ignoring.", value);
+ else
+ s->max_level_syslog = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.max_level_kmsg")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
+
+ r = log_level_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse max level kmsg value \"%s\". Ignoring.", value);
+ else
+ s->max_level_kmsg = r;
+
+ } else if (proc_cmdline_key_streq(key, "systemd.journald.max_level_wall")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
+
+ r = log_level_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse max level wall value \"%s\". Ignoring.", value);
+ else
+ s->max_level_wall = r;
+
+ } else if (startswith(key, "systemd.journald"))
+ log_warning("Unknown journald kernel command line option \"%s\". Ignoring.", key);
/* do not warn about state here, since probably systemd already did */
return 0;
assert(s);
return config_parse_many_nulstr(PKGSYSCONFDIR "/journald.conf",
- CONF_PATHS_NULSTR("systemd/journald.conf.d"),
- "Journal\0",
- config_item_perf_lookup, journald_gperf_lookup,
- false, s);
+ CONF_PATHS_NULSTR("systemd/journald.conf.d"),
+ "Journal\0",
+ config_item_perf_lookup, journald_gperf_lookup,
+ false, s);
}
static int server_dispatch_sync(sd_event_source *es, usec_t t, void *userdata) {
s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = s->notify_fd = -1;
s->compress = true;
s->seal = true;
+ s->read_kmsg = true;
s->watchdog_usec = USEC_INFINITY;
s->max_level_console = LOG_INFO;
s->max_level_wall = LOG_EMERG;
- journal_reset_metrics(&s->system_metrics);
- journal_reset_metrics(&s->runtime_metrics);
+ journal_reset_metrics(&s->system_storage.metrics);
+ journal_reset_metrics(&s->runtime_storage.metrics);
server_parse_config_file(s);
- server_parse_proc_cmdline(s);
+
+ r = proc_cmdline_parse(parse_proc_cmdline_item, s, PROC_CMDLINE_STRIP_RD_PREFIX);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {
log_debug("Setting both rate limit interval and burst from "USEC_FMT",%u to 0,0",
if (r < 0)
return r;
- /* /dev/ksmg */
+ /* /dev/kmsg */
r = server_open_dev_kmsg(s);
if (r < 0)
return r;
server_cache_boot_id(s);
server_cache_machine_id(s);
+ s->runtime_storage.name = "Runtime journal";
+ s->system_storage.name = "System journal";
+
+ s->runtime_storage.path = strjoin("/run/log/journal/", SERVER_MACHINE_ID(s));
+ s->system_storage.path = strjoin("/var/log/journal/", SERVER_MACHINE_ID(s));
+ if (!s->runtime_storage.path || !s->system_storage.path)
+ return -ENOMEM;
+
(void) server_connect_notify(s);
return system_journal_open(s, false);
free(s->tty_path);
free(s->cgroup_root);
free(s->hostname_field);
+ free(s->runtime_storage.path);
+ free(s->system_storage.path);
if (s->mmap)
mmap_cache_unref(s->mmap);
projects / thirdparty / systemd.git / blobdiff