Merge pull request #105076 from pohly/log-flush-frequency-bug

initialize logging after flag parsing + refactor commands

cmd/kube-controller-manager/controller-manager.go

@@ -21,14 +21,9 @@ limitations under the License.
 package main
 
 import (
-	"math/rand"
 	"os"
-	"time"
 
-	"github.com/spf13/pflag"
-
-	cliflag "k8s.io/component-base/cli/flag"
-	"k8s.io/component-base/logs"
+	"k8s.io/component-base/cli"
 	_ "k8s.io/component-base/logs/json/register"          // for JSON log format registration
 	_ "k8s.io/component-base/metrics/prometheus/clientgo" // load all the prometheus client-go plugin
 	_ "k8s.io/component-base/metrics/prometheus/version"  // for version metric registration
@@ -36,16 +31,7 @@ import (
 )
 
 func main() {
-	rand.Seed(time.Now().UnixNano())
-
-	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
-
 	command := app.NewControllerManagerCommand()
-
-	logs.InitLogs()
-	defer logs.FlushLogs()
-
-	if err := command.Execute(); err != nil {
-		os.Exit(1)
-	}
+	code := cli.Run(command)
+	os.Exit(code)
 }