Merge pull request #1053 from k8s-infra-cherrypick-robot/cherry-pick-997-to-release-1.19

[release-1.19] fix: flag panic if a flag is defined after being set

Author: andyzhangx

pkg/blobfuse-proxy/main.go

@@ -27,16 +27,13 @@ import (
 	csicommon "sigs.k8s.io/blob-csi-driver/pkg/csi-common"
 )
 
-func init() {
-	_ = flag.Set("logtostderr", "true")
-}
-
 var (
 	blobfuseProxyEndpoint = flag.String("blobfuse-proxy-endpoint", "unix://tmp/blobfuse-proxy.sock", "blobfuse-proxy endpoint")
 )
 
 func main() {
 	klog.InitFlags(nil)
+	_ = flag.Set("logtostderr", "true")
 	flag.Parse()
 	proto, addr, err := csicommon.ParseEndpoint(*blobfuseProxyEndpoint)
 	if err != nil {

pkg/blobplugin/main.go

@@ -31,10 +31,6 @@ import (
 	"k8s.io/klog/v2"
 )
 
-func init() {
-	_ = flag.Set("logtostderr", "true")
-}
-
 var (
 	endpoint                               = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
 	blobfuseProxyEndpoint                  = flag.String("blobfuse-proxy-endpoint", "unix://tmp/blobfuse-proxy.sock", "blobfuse-proxy endpoint")
@@ -61,6 +57,7 @@ var (
 
 func main() {
 	klog.InitFlags(nil)
+	_ = flag.Set("logtostderr", "true")
 	flag.Parse()
 	if *version {
 		info, err := blob.GetVersionYAML(*driverName)