mirror of https://github.com/linkerd/linkerd2.git
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package flags
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/linkerd/linkerd2/pkg/version"
|
|
log "github.com/sirupsen/logrus"
|
|
"k8s.io/klog"
|
|
)
|
|
|
|
// ConfigureAndParse adds flags that are common to all go processes. This
|
|
// func calls flag.Parse(), so it should be called after all other flags have
|
|
// been configured.
|
|
func ConfigureAndParse() {
|
|
klog.InitFlags(nil)
|
|
flag.Set("stderrthreshold", "FATAL")
|
|
flag.Set("logtostderr", "false")
|
|
flag.Set("log_file", "/dev/null")
|
|
flag.Set("v", "0")
|
|
logLevel := flag.String("log-level", log.InfoLevel.String(),
|
|
"log level, must be one of: panic, fatal, error, warn, info, debug")
|
|
printVersion := flag.Bool("version", false, "print version and exit")
|
|
|
|
flag.Parse()
|
|
|
|
// set log timestamps
|
|
formatter := &log.TextFormatter{FullTimestamp: true}
|
|
log.SetFormatter(formatter)
|
|
|
|
setLogLevel(*logLevel)
|
|
maybePrintVersionAndExit(*printVersion)
|
|
}
|
|
|
|
func setLogLevel(logLevel string) {
|
|
level, err := log.ParseLevel(logLevel)
|
|
if err != nil {
|
|
log.Fatalf("invalid log-level: %s", logLevel)
|
|
}
|
|
log.SetLevel(level)
|
|
|
|
if level == log.DebugLevel {
|
|
flag.Set("stderrthreshold", "INFO")
|
|
flag.Set("logtostderr", "true")
|
|
flag.Set("v", "6") // At 7 and higher, authorization tokens get logged.
|
|
}
|
|
}
|
|
|
|
func maybePrintVersionAndExit(printVersion bool) {
|
|
if printVersion {
|
|
fmt.Println(version.Version)
|
|
os.Exit(0)
|
|
}
|
|
log.Infof("running version %s", version.Version)
|
|
}
|