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lib/logger: add -loggerDisableTimestamps command-line flag for disabling timestamps in logs

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/778
This commit is contained in:
Aliaksandr Valialkin 2020-09-21 19:25:33 +03:00
parent 964bc7595c
commit 29108cc53e
1 changed files with 18 additions and 6 deletions
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24
lib/logger/logger.go
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@ -18,9 +18,10 @@ import (
)
var (
loggerLevel = flag.String("loggerLevel", "INFO", "Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC")
loggerFormat = flag.String("loggerFormat", "default", "Format for logs. Possible values: default, json")
loggerOutput = flag.String("loggerOutput", "stderr", "Output for the logs. Supported values: stderr, stdout")
loggerLevel = flag.String("loggerLevel", "INFO", "Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC")
loggerFormat = flag.String("loggerFormat", "default", "Format for logs. Possible values: default, json")
loggerOutput = flag.String("loggerOutput", "stderr", "Output for the logs. Supported values: stderr, stdout")
disableTimestamps = flag.Bool("loggerDisableTimestamps", false, "Whether to disable writing timestamps in logs")
errorsPerSecondLimit = flag.Int("loggerErrorsPerSecondLimit", 10, "Per-second limit on the number of ERROR messages. If more than the given number of errors "+
"are emitted per second, then the remaining errors are suppressed. Zero value disables the rate limit")
@ -149,7 +150,10 @@ func logMessage(level, msg string, skipframes int) {
}
}
timestamp := time.Now().UTC().Format("2006-01-02T15:04:05.000Z")
timestamp := ""
if !*disableTimestamps {
timestamp = time.Now().UTC().Format("2006-01-02T15:04:05.000Z")
}
levelLowercase := strings.ToLower(level)
_, file, line, ok := runtime.Caller(skipframes)
if !ok {
@ -167,9 +171,17 @@ func logMessage(level, msg string, skipframes int) {
switch *loggerFormat {
case "json":
caller := fmt.Sprintf("%s:%d", file, line)
logMsg = fmt.Sprintf(`{"ts":%q,"level":%q,"caller":%q,"msg":%q}`+"\n", timestamp, levelLowercase, caller, msg)
if *disableTimestamps {
logMsg = fmt.Sprintf(`{"level":%q,"caller":%q,"msg":%q}`+"\n", levelLowercase, caller, msg)
} else {
logMsg = fmt.Sprintf(`{"ts":%q,"level":%q,"caller":%q,"msg":%q}`+"\n", timestamp, levelLowercase, caller, msg)
}
default:
logMsg = fmt.Sprintf("%s\t%s\t%s:%d\t%s\n", timestamp, levelLowercase, file, line, msg)
if *disableTimestamps {
logMsg = fmt.Sprintf("%s\t%s:%d\t%s\n", levelLowercase, file, line, msg)
} else {
logMsg = fmt.Sprintf("%s\t%s\t%s:%d\t%s\n", timestamp, levelLowercase, file, line, msg)
}
}
// Serialize writes to log.