show cli flags in logs

pingcap · Feb 27, 2020 · 89e0c38 · 89e0c38
1 parent 430fa95
commit 89e0c38
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Showing 4 changed files with 17 additions and 1 deletion.
diff --git a/cmd/admission-webhook/main.go b/cmd/admission-webhook/main.go
@@ -19,11 +19,11 @@ import (
 	"time"
 
 	"github.com/openshift/generic-admission-server/pkg/cmd"
-
 	"github.com/pingcap/tidb-operator/pkg/features"
 	"github.com/pingcap/tidb-operator/pkg/version"
 	"github.com/pingcap/tidb-operator/pkg/webhook"
 	"k8s.io/component-base/logs"
+	glog "k8s.io/klog"
 )
 
 var (
@@ -51,6 +51,10 @@ func main() {
 	}
 	version.LogVersionInfo()
 
+	flag.CommandLine.VisitAll(func(flag *flag.Flag) {
+		glog.V(1).Infof("FLAG: --%s=%q", flag.Name, flag.Value)
+	})
+
 	ah := &webhook.AdmissionHook{
 		ExtraServiceAccounts:     extraServiceAccounts,
 		EvictRegionLeaderTimeout: evictRegionLeaderTimeout,

diff --git a/cmd/controller-manager/main.go b/cmd/controller-manager/main.go
@@ -93,6 +93,10 @@ func main() {
 	logs.InitLogs()
 	defer logs.FlushLogs()
 
+	flag.CommandLine.VisitAll(func(flag *flag.Flag) {
+		glog.V(1).Infof("FLAG: --%s=%q", flag.Name, flag.Value)
+	})
+
 	hostName, err := os.Hostname()
 	if err != nil {
 		glog.Fatalf("failed to get hostname: %v", err)

diff --git a/cmd/discovery/main.go b/cmd/discovery/main.go
@@ -52,6 +52,10 @@ func main() {
 	logs.InitLogs()
 	defer logs.FlushLogs()
 
+	flag.CommandLine.VisitAll(func(flag *flag.Flag) {
+		glog.V(1).Infof("FLAG: --%s=%q", flag.Name, flag.Value)
+	})
+
 	cfg, err := rest.InClusterConfig()
 	if err != nil {
 		glog.Fatalf("failed to get config: %v", err)

diff --git a/cmd/scheduler/main.go b/cmd/scheduler/main.go
@@ -54,6 +54,10 @@ func main() {
 	logs.InitLogs()
 	defer logs.FlushLogs()
 
+	flag.CommandLine.VisitAll(func(flag *flag.Flag) {
+		glog.V(1).Infof("FLAG: --%s=%q", flag.Name, flag.Value)
+	})
+
 	cfg, err := rest.InClusterConfig()
 	if err != nil {
 		glog.Fatalf("failed to get config: %v", err)