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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 ( var (
loggerLevel = flag.String("loggerLevel", "INFO", "Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC") 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") 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") 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 "+ 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") "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) levelLowercase := strings.ToLower(level)
_, file, line, ok := runtime.Caller(skipframes) _, file, line, ok := runtime.Caller(skipframes)
if !ok { if !ok {
@ -167,9 +171,17 @@ func logMessage(level, msg string, skipframes int) {
switch *loggerFormat { switch *loggerFormat {
case "json": case "json":
caller := fmt.Sprintf("%s:%d", file, line) 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: 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. // Serialize writes to log.