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cmd/main/main.go: Add support for logging to file via cli flag.

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This commit is contained in:
Henrik Hautakoski 2023-05-02 16:20:19 +02:00
parent 8b927ed366
commit 1cd741c610
1 changed files with 10 additions and 0 deletions
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10
cmd/main/main.go
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@ -113,6 +113,7 @@ func main() {
showVersion := getopt.BoolLong("version", 'v', "display this help text") showVersion := getopt.BoolLong("version", 'v', "display this help text")
configFile := getopt.StringLong("config", 'c', "./config.yml", "Config file to read", "file") configFile := getopt.StringLong("config", 'c', "./config.yml", "Config file to read", "file")
pidFile := getopt.StringLong("pid", 'p', "", "Where to write process id", "file") pidFile := getopt.StringLong("pid", 'p', "", "Where to write process id", "file")
logFile := getopt.StringLong("log", 'l', "", "Path to log file", "file")
getopt.Parse() getopt.Parse()
@ -126,6 +127,15 @@ func main() {
return return
} }
if len(*logFile) > 0 {
logfd, err := os.OpenFile(*logFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
if err != nil {
log.WithError(err).Fatal("failed open logfile")
}
log.Info("Logging to file: ", *logFile)
log.SetOutput(logfd)
}
// Write PID file // Write PID file
if len(*pidFile) > 0 { if len(*pidFile) > 0 {
log.Infof("Writing pid to: %s", *pidFile) log.Infof("Writing pid to: %s", *pidFile)