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main: add option to specify minimum log severity level

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The -L option can be used to disable logging of less severe messages,
e.g informational or warnings.
This commit is contained in:
Miroslav Lichvar
2019-07-04 16:57:36 +02:00
parent 1227873b88
commit 70fa3a6905
2 changed files with 12 additions and 3 deletions
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6
doc/chronyd.adoc
View File

@@ -70,6 +70,12 @@ print also debugging messages.
This option specifies a file which should be used for logging instead of syslog
or terminal.
*-L* _level_::
This option specifies the minimum severity level of messages to be written to
the log file, syslog, or terminal. The following levels can be specified:
0 (informational), 1 (warning), 2 (non-fatal error), and 3 (fatal error). The
default value is 0.
*-q*::
When run in this mode, *chronyd* will set the system clock once and exit. It
will not detach from the terminal.

9
main.c
View File

@@ -406,7 +406,7 @@ int main
int opt, debug = 0, nofork = 0, address_family = IPADDR_UNSPEC;
int do_init_rtc = 0, restarted = 0, client_only = 0, timeout = 0;
int scfilter_level = 0, lock_memory = 0, sched_priority = 0;
int clock_control = 1, system_log = 1;
int clock_control = 1, system_log = 1, log_severity = LOGS_INFO;
int config_args = 0;
do_platform_checks();
@@ -427,7 +427,7 @@ int main
optind = 1;
/* Parse short command-line options */
while ((opt = getopt(argc, argv, "46df:F:hl:mnP:qQrRst:u:vx")) != -1) {
while ((opt = getopt(argc, argv, "46df:F:hl:L:mnP:qQrRst:u:vx")) != -1) {
switch (opt) {
case '4':
case '6':
@@ -447,6 +447,9 @@ int main
case 'l':
log_file = optarg;
break;
case 'L':
log_severity = parse_int_arg(optarg);
break;
case 'm':
lock_memory = 1;
break;
@@ -510,7 +513,7 @@ int main
LOG_OpenSystemLog();
}
LOG_SetMinSeverity(debug >= 2 ? LOGS_DEBUG : LOGS_INFO);
LOG_SetMinSeverity(debug >= 2 ? LOGS_DEBUG : log_severity);
LOG(LOGS_INFO, "chronyd version %s starting (%s)", CHRONY_VERSION, CHRONYD_FEATURES);