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-rw-r--r--src/journal/journald-server.c708
1 files changed, 431 insertions, 277 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index 587c343b31..50bd83fc6e 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -44,6 +44,7 @@
#include "fs-util.h"
#include "hashmap.h"
#include "hostname-util.h"
+#include "id128-util.h"
#include "io-util.h"
#include "journal-authenticate.h"
#include "journal-file.h"
@@ -56,6 +57,7 @@
#include "journald-server.h"
#include "journald-stream.h"
#include "journald-syslog.h"
+#include "log.h"
#include "missing.h"
#include "mkdir.h"
#include "parse-util.h"
@@ -69,7 +71,7 @@
#include "string-table.h"
#include "string-util.h"
#include "user-util.h"
-#include "log.h"
+#include "syslog-util.h"
#define USER_JOURNALS_MAX 1024
@@ -85,48 +87,24 @@
/* 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;
@@ -135,88 +113,125 @@ static int determine_space_for(
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;
+}
- if (available)
- *available = s->cached_space_available;
- if (limit)
- *limit = s->cached_space_limit;
+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;
+
+ 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, SD_MESSAGE_JOURNAL_USAGE,
+ 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) {
@@ -267,6 +282,97 @@ static int open_journal(
return r;
}
+static bool flushed_flag_is_set(void) {
+ 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()))) {
+
+ /* If in auto mode: first try to create the machine
+ * path, but not the prefix.
+ *
+ * If in persistent mode: create /var/log/journal and
+ * the machine path */
+
+ if (s->storage == STORAGE_PERSISTENT)
+ (void) mkdir_p("/var/log/journal/", 0755);
+
+ (void) mkdir(s->system_storage.path, 0755);
+
+ 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) 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");
+
+ r = 0;
+ }
+
+ /* If the runtime journal is open, and we're post-flush, we're
+ * recovering from a failed system journal rotate (ENOSPC)
+ * for which the runtime journal was reopened.
+ *
+ * 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 (!s->runtime_journal &&
+ (s->storage != STORAGE_NONE)) {
+
+ fn = strjoina(s->runtime_storage.path, "/system.journal");
+
+ if (s->system_journal) {
+
+ /* Try to open the runtime journal, but only
+ * 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_storage.metrics, &s->runtime_journal);
+ if (r < 0) {
+ if (r != -ENOENT)
+ log_warning_errno(r, "Failed to open runtime journal: %m");
+
+ r = 0;
+ }
+
+ } else {
+
+ /* OK, we really need the runtime journal, so create
+ * it if necessary. */
+
+ (void) mkdir("/run/log", 0755);
+ (void) mkdir("/run/log/journal", 0755);
+ (void) mkdir_parents(fn, 0750);
+
+ 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) cache_space_refresh(s, &s->runtime_storage);
+ patch_min_use(&s->runtime_storage);
+ }
+ }
+
+ return r;
+}
+
static JournalFile* find_journal(Server *s, uid_t uid) {
_cleanup_free_ char *p = NULL;
int r;
@@ -275,6 +381,17 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
assert(s);
+ /* A rotate that fails to create the new journal (ENOSPC) leaves the
+ * rotated journal as NULL. Unless we revisit opening, even after
+ * space is made available we'll continue to return NULL indefinitely.
+ *
+ * system_journal_open() is a noop if the journals are already open, so
+ * we can just call it here to recover from failed rotates (or anything
+ * else that's left the journals as NULL).
+ *
+ * Fixes https://github.com/systemd/systemd/issues/3968 */
+ (void) system_journal_open(s, false);
+
/* We split up user logs only on /var, not on /run. If the
* runtime file is open, we write to it exclusively, in order
* to guarantee proper order as soon as we flush /run to
@@ -283,7 +400,7 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
if (s->runtime_journal)
return s->runtime_journal;
- if (uid <= SYSTEM_UID_MAX)
+ if (uid <= SYSTEM_UID_MAX || uid_is_dynamic(uid))
return s->system_journal;
r = sd_id128_get_machine(&machine);
@@ -305,7 +422,7 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
(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;
@@ -399,50 +516,38 @@ void server_sync(Server *s) {
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;
}
@@ -493,54 +598,88 @@ static void server_cache_hostname(Server *s) {
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 (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 (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 (rotate) {
server_rotate(s);
- server_vacuum(s, false, false);
+ server_vacuum(s, false);
vacuumed = true;
f = find_journal(s, uid);
@@ -548,7 +687,9 @@ static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned
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;
@@ -560,20 +701,58 @@ static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned
}
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
server_schedule_sync(s, priority);
}
+static int get_invocation_id(const char *cgroup_root, const char *slice, const char *unit, char **ret) {
+ _cleanup_free_ char *escaped = NULL, *slice_path = NULL, *p = NULL;
+ char *copy, ids[SD_ID128_STRING_MAX];
+ int r;
+
+ /* Read the invocation ID of a unit off a unit. It's stored in the "trusted.invocation_id" extended attribute
+ * on the cgroup path. */
+
+ r = cg_slice_to_path(slice, &slice_path);
+ if (r < 0)
+ return r;
+
+ escaped = cg_escape(unit);
+ if (!escaped)
+ return -ENOMEM;
+
+ p = strjoin(cgroup_root, "/", slice_path, "/", escaped, NULL);
+ if (!p)
+ return -ENOMEM;
+
+ r = cg_get_xattr(SYSTEMD_CGROUP_CONTROLLER, p, "trusted.invocation_id", ids, 32);
+ if (r < 0)
+ return r;
+ if (r != 32)
+ return -EINVAL;
+ ids[32] = 0;
+
+ if (!id128_is_valid(ids))
+ return -EINVAL;
+
+ copy = strdup(ids);
+ if (!copy)
+ return -ENOMEM;
+
+ *ret = copy;
+ return 0;
+}
+
static void dispatch_message_real(
Server *s,
struct iovec *iovec, unsigned n, unsigned m,
@@ -612,7 +791,7 @@ static void dispatch_message_real(
assert(s);
assert(iovec);
assert(n > 0);
- assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
+ assert(n + N_IOVEC_META_FIELDS + (object_pid > 0 ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
if (ucred) {
realuid = ucred->uid;
@@ -670,6 +849,7 @@ static void dispatch_message_real(
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;
x = strjoina("_SYSTEMD_CGROUP=", c);
@@ -689,9 +869,8 @@ static void dispatch_message_real(
IOVEC_SET_STRING(iovec[n++], owner_uid);
}
- if (cg_path_get_unit(c, &t) >= 0) {
- x = strjoina("_SYSTEMD_UNIT=", t);
- free(t);
+ if (cg_path_get_unit(c, &raw_unit) >= 0) {
+ x = strjoina("_SYSTEMD_UNIT=", raw_unit);
IOVEC_SET_STRING(iovec[n++], x);
} else if (unit_id && !session) {
x = strjoina("_SYSTEMD_UNIT=", unit_id);
@@ -707,12 +886,25 @@ static void dispatch_message_real(
IOVEC_SET_STRING(iovec[n++], x);
}
- if (cg_path_get_slice(c, &t) >= 0) {
- x = strjoina("_SYSTEMD_SLICE=", t);
+ if (cg_path_get_slice(c, &raw_slice) >= 0) {
+ x = strjoina("_SYSTEMD_SLICE=", raw_slice);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_user_slice(c, &t) >= 0) {
+ x = strjoina("_SYSTEMD_USER_SLICE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
+ if (raw_slice && raw_unit) {
+ if (get_invocation_id(s->cgroup_root, raw_slice, raw_unit, &t) >= 0) {
+ x = strjoina("_SYSTEMD_INVOCATION_ID=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+ }
+
free(c);
} else if (unit_id) {
x = strjoina("_SYSTEMD_UNIT=", unit_id);
@@ -818,13 +1010,25 @@ static void dispatch_message_real(
IOVEC_SET_STRING(iovec[n++], x);
}
+ if (cg_path_get_slice(c, &t) >= 0) {
+ x = strjoina("OBJECT_SYSTEMD_SLICE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_user_slice(c, &t) >= 0) {
+ x = strjoina("OBJECT_SYSTEMD_USER_SLICE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
free(c);
}
}
assert(n <= m);
if (tv) {
- sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));
+ sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=" USEC_FMT, timeval_load(tv));
IOVEC_SET_STRING(iovec[n++], source_time);
}
@@ -964,7 +1168,7 @@ void server_dispatch_message(
}
}
- (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;
@@ -979,83 +1183,6 @@ finish:
dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
}
-
-static int system_journal_open(Server *s, bool flush_requested) {
- const char *fn;
- int r = 0;
-
- if (!s->system_journal &&
- (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
- (flush_requested
- || access("/run/systemd/journal/flushed", F_OK) >= 0)) {
-
- /* If in auto mode: first try to create the machine
- * path, but not the prefix.
- *
- * If in persistent mode: create /var/log/journal and
- * the machine path */
-
- 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);
-
- fn = strjoina(fn, "/system.journal");
- r = open_journal(s, true, fn, O_RDWR|O_CREAT, s->seal, &s->system_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);
- } else if (r < 0) {
- if (r != -ENOENT && r != -EROFS)
- log_warning_errno(r, "Failed to open system journal: %m");
-
- r = 0;
- }
- }
-
- if (!s->runtime_journal &&
- (s->storage != STORAGE_NONE)) {
-
- fn = strjoina("/run/log/journal/", SERVER_MACHINE_ID(s), "/system.journal");
-
- if (s->system_journal) {
-
- /* Try to open the runtime journal, but only
- * 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);
- if (r < 0) {
- if (r != -ENOENT)
- log_warning_errno(r, "Failed to open runtime journal: %m");
-
- r = 0;
- }
-
- } else {
-
- /* OK, we really need the runtime journal, so create
- * it if necessary. */
-
- (void) mkdir("/run/log", 0755);
- (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);
- 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);
- }
- }
-
- return r;
-}
-
int server_flush_to_var(Server *s) {
sd_id128_t machine;
sd_journal *j = NULL;
@@ -1117,7 +1244,7 @@ int server_flush_to_var(Server *s) {
}
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.");
@@ -1284,14 +1411,15 @@ static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *
log_info("Received request to flush runtime journal from PID " PID_FMT, si->ssi_pid);
- server_flush_to_var(s);
+ (void) server_flush_to_var(s);
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;
}
@@ -1303,7 +1431,12 @@ static int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *
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));
@@ -1393,55 +1526,68 @@ static int setup_signals(Server *s) {
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;
- }
-
- p = line;
- for (;;) {
- _cleanup_free_ char *word = NULL;
+ assert(s);
- r = extract_first_word(&p, &word, NULL, 0);
+ if (streq(key, "systemd.journald.forward_to_syslog")) {
+ r = value ? parse_boolean(value) : true;
if (r < 0)
- return log_error_errno(r, "Failed to parse journald syntax \"%s\": %m", line);
-
- if (r == 0)
- break;
-
- 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.");
- }
+ log_warning("Failed to parse forward to syslog switch \"%s\". Ignoring.", value);
+ else
+ s->forward_to_syslog = r;
+ } else if (streq(key, "systemd.journald.forward_to_kmsg")) {
+ 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 (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 (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 (streq(key, "systemd.journald.max_level_console") && value) {
+ 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 (streq(key, "systemd.journald.max_level_store") && value) {
+ 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 (streq(key, "systemd.journald.max_level_syslog") && value) {
+ 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 (streq(key, "systemd.journald.max_level_kmsg") && value) {
+ 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 (streq(key, "systemd.journald.max_level_wall") && value) {
+ 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;
@@ -1450,7 +1596,7 @@ static int server_parse_proc_cmdline(Server *s) {
static int server_parse_config_file(Server *s) {
assert(s);
- return config_parse_many(PKGSYSCONFDIR "/journald.conf",
+ return config_parse_many_nulstr(PKGSYSCONFDIR "/journald.conf",
CONF_PATHS_NULSTR("systemd/journald.conf.d"),
"Journal\0",
config_item_perf_lookup, journald_gperf_lookup,
@@ -1563,7 +1709,7 @@ static int dispatch_notify_event(sd_event_source *es, int fd, uint32_t revents,
assert(s->notify_fd == fd);
/* The $NOTIFY_SOCKET is writable again, now send exactly one
- * message on it. Either it's the wtachdog event, the initial
+ * message on it. Either it's the watchdog event, the initial
* READY=1 event or an stdout stream event. If there's nothing
* to write anymore, turn our event source off. The next time
* there's something to send it will be turned on again. */
@@ -1748,11 +1894,11 @@ int server_init(Server *s) {
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);
+ parse_proc_cmdline(parse_proc_cmdline_item, s, true);
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",
@@ -1902,6 +2048,14 @@ int server_init(Server *s) {
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), NULL);
+ s->system_storage.path = strjoin("/var/log/journal/", SERVER_MACHINE_ID(s), NULL);
+ if (!s->runtime_storage.path || !s->system_storage.path)
+ return -ENOMEM;
+
(void) server_connect_notify(s);
return system_journal_open(s, false);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:18:35 +0000