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authorLennart Poettering <lennart@poettering.net>2015-09-30 22:25:36 +0200
committerLennart Poettering <lennart@poettering.net>2015-09-30 22:25:36 +0200
commit6ed796c827f7e89a7900713b132301bced1a73c6 (patch)
tree56e9c3225f8c91fe9512223712062fd87c739f27 /src
parent234ae0090309b5bb049f6813798bd2b4615414bc (diff)
parentb92eb84cc8e120da8dca0e91167a616b2f15dbe5 (diff)
Merge pull request #1424 from evverx/journalctl-rotate
journalctl: add --rotate option
Diffstat (limited to 'src')
-rw-r--r--src/journal/journalctl.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 75e59dbd42..b42c51a29b 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -121,6 +121,7 @@ static enum {
ACTION_UPDATE_CATALOG,
ACTION_LIST_BOOTS,
ACTION_FLUSH,
+ ACTION_ROTATE,
ACTION_VACUUM,
} arg_action = ACTION_SHOW;
@@ -236,6 +237,7 @@ static void help(void) {
" --vacuum-size=BYTES Reduce disk usage below specified size\n"
" --vacuum-time=TIME Remove journal files older than specified date\n"
" --flush Flush all journal data from /run into /var\n"
+ " --rotate Request immediate rotation of the journal files\n"
" --header Show journal header information\n"
" --list-catalog Show all message IDs in the catalog\n"
" --dump-catalog Show entries in the message catalog\n"
@@ -277,6 +279,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_FORCE,
ARG_UTC,
ARG_FLUSH,
+ ARG_ROTATE,
ARG_VACUUM_SIZE,
ARG_VACUUM_TIME,
};
@@ -330,6 +333,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "machine", required_argument, NULL, 'M' },
{ "utc", no_argument, NULL, ARG_UTC },
{ "flush", no_argument, NULL, ARG_FLUSH },
+ { "rotate", no_argument, NULL, ARG_ROTATE },
{ "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
{ "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
{}
@@ -696,6 +700,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_action = ACTION_FLUSH;
break;
+ case ARG_ROTATE:
+ arg_action = ACTION_ROTATE;
+ break;
+
case '?':
return -EINVAL;
@@ -1769,6 +1777,30 @@ static int flush_to_var(void) {
return 0;
}
+static int rotate(void) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
+ int r;
+
+ r = bus_connect_system_systemd(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get D-Bus connection: %m");
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ &error,
+ NULL,
+ "ssi", "systemd-journald.service", "main", SIGUSR2);
+ if (r < 0)
+ return log_error_errno(r, "Failed to kill journal service: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
int r;
_cleanup_journal_close_ sd_journal *j = NULL;
@@ -1804,6 +1836,11 @@ int main(int argc, char *argv[]) {
goto finish;
}
+ if (arg_action == ACTION_ROTATE) {
+ r = rotate();
+ goto finish;
+ }
+
if (arg_action == ACTION_SETUP_KEYS) {
r = setup_keys();
goto finish;