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authorLennart Poettering <lennart@poettering.net>2012-07-01 20:17:48 +0200
committerLennart Poettering <lennart@poettering.net>2012-07-02 10:43:57 +0200
commite156d769c3ee756cdb20f8522ace9ea459a82655 (patch)
tree478af421d4a2b6274cc086a28c89a4471b1d1a99 /src/journal
parent29252e9e5bad3b0bcfc45d9bc761aee4b0ece1da (diff)
journald: add Storage= setting to control where the journal is stored
Diffstat (limited to 'src/journal')
-rw-r--r--src/journal/journald-gperf.gperf1
-rw-r--r--src/journal/journald.c37
-rw-r--r--src/journal/journald.h16
3 files changed, 47 insertions, 7 deletions
diff --git a/src/journal/journald-gperf.gperf b/src/journal/journald-gperf.gperf
index c9b0fbb0e2..4fe2ea0ec6 100644
--- a/src/journal/journald-gperf.gperf
+++ b/src/journal/journald-gperf.gperf
@@ -34,3 +34,4 @@ Journal.MaxLevelStore, config_parse_level, 0, offsetof(Server, max_leve
Journal.MaxLevelSyslog, config_parse_level, 0, offsetof(Server, max_level_syslog)
Journal.MaxLevelKMsg, config_parse_level, 0, offsetof(Server, max_level_kmsg)
Journal.MaxLevelConsole, config_parse_level, 0, offsetof(Server, max_level_console)
+Journal.Storage, config_parse_storage, 0, offsetof(Server, storage)
diff --git a/src/journal/journald.c b/src/journal/journald.c
index 7ea68aab3c..08597ae3eb 100644
--- a/src/journal/journald.c
+++ b/src/journal/journald.c
@@ -111,6 +111,16 @@ struct StdoutStream {
LIST_FIELDS(StdoutStream, stdout_stream);
};
+static const char* const storage_table[] = {
+ [STORAGE_AUTO] = "auto",
+ [STORAGE_VOLATILE] = "volatile",
+ [STORAGE_PERMANENT] = "permanent",
+ [STORAGE_NONE] = "none"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(storage, Storage);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");
+
static int server_flush_to_var(Server *s);
static uint64_t available_space(Server *s) {
@@ -397,7 +407,6 @@ static void server_vacuum(Server *s) {
free(p);
}
-
if (s->runtime_journal) {
if (asprintf(&p, "/run/log/journal/%s", ids) < 0) {
log_error("Out of memory.");
@@ -625,9 +634,7 @@ static void dispatch_message_real(
retry:
f = find_journal(s, realuid == 0 ? 0 : loginuid);
- if (!f)
- log_warning("Dropping message, as we can't find a place to store the data.");
- else {
+ if (f) {
r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
if ((r == -E2BIG || /* hit limit */
@@ -1955,12 +1962,23 @@ static int system_journal_open(Server *s) {
sd_id128_to_string(machine, ids);
- if (!s->system_journal) {
+ if (!s->system_journal &&
+ (s->storage == STORAGE_PERMANENT ||
+ s->storage == STORAGE_AUTO)) {
+
+ /* If in auto mode: first try to create the machine
+ * path, but not the prefix.
+ *
+ * If in permanent mode: create /var/log/journal and
+ * the machine path */
+
+ if (s->storage & STORAGE_PERMANENT)
+ (void) mkdir("/var/log/journal/", 0755);
- /* First try to create the machine path, but not the prefix */
fn = strappend("/var/log/journal/", ids);
if (!fn)
return -ENOMEM;
+
(void) mkdir(fn, 0755);
free(fn);
@@ -1988,7 +2006,8 @@ static int system_journal_open(Server *s) {
}
}
- if (!s->runtime_journal) {
+ if (!s->runtime_journal &&
+ (s->storage != STORAGE_NONE)) {
fn = join("/run/log/journal/", ids, "/system.journal", NULL);
if (!fn)
@@ -2048,6 +2067,10 @@ static int server_flush_to_var(Server *s) {
assert(s);
+ if (s->storage != STORAGE_AUTO &&
+ s->storage != STORAGE_PERMANENT)
+ return 0;
+
if (!s->runtime_journal)
return 0;
diff --git a/src/journal/journald.h b/src/journal/journald.h
index 159364d930..34deb8561e 100644
--- a/src/journal/journald.h
+++ b/src/journal/journald.h
@@ -33,6 +33,15 @@
#include "journal-rate-limit.h"
#include "list.h"
+typedef enum Storage {
+ STORAGE_AUTO,
+ STORAGE_VOLATILE,
+ STORAGE_PERMANENT,
+ STORAGE_NONE,
+ _STORAGE_MAX,
+ _STORAGE_INVALID = -1
+} Storage;
+
typedef struct StdoutStream StdoutStream;
typedef struct Server {
@@ -86,9 +95,16 @@ typedef struct Server {
int max_level_syslog;
int max_level_kmsg;
int max_level_console;
+
+ Storage storage;
} Server;
/* gperf lookup function */
const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length);
+int config_parse_storage(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+
+const char *storage_to_string(Storage s);
+Storage storage_from_string(const char *s);
+
#endif