Merge pull request #180 from cyclinder/cmddel

cmdDel: ignore pod'ns has gone

Author: cyclinder

plugins/router/router.go

@@ -257,6 +257,9 @@ func cmdDel(args *skel.CmdArgs) error {
 	logger.Debug("Start call CmdDel for Router-plugin", zap.Any("Config", *conf))
 	netns, err := ns.GetNS(args.Netns)
 	if err != nil {
+		if _, ok := err.(ns.NSPathNotExistErr); ok {
+			return nil
+		}
 		logger.Error(err.Error())
 		return fmt.Errorf("failed to open netns %q: %v", args.Netns, err)
 	}

plugins/veth/veth.go

@@ -275,7 +275,7 @@ func cmdDel(args *skel.CmdArgs) error {
 	hostVeth := getHostVethName(args.ContainerID)
 	vethLink, err := netlink.LinkByName(hostVeth)
 	if err != nil {
-		if _, ok := err.(*netlink.LinkNotFoundError); ok {
+		if _, ok := err.(netlink.LinkNotFoundError); ok {
 			logger.Debug("Host veth has gone, nothing to do", zap.String("HostVeth", hostVeth))
 			return nil
 		}
@@ -285,12 +285,9 @@ func cmdDel(args *skel.CmdArgs) error {
 	if err = netlink.LinkDel(vethLink); err != nil {
 		logger.Error("failed to del hostVeth", zap.Error(err))
 		return fmt.Errorf("failed to del hostVeth %s: %w", hostVeth, err)
-	} else {
-		logger.Error("success to del hostVeth", zap.String("HostVeth", hostVeth))
 	}
 
 	logger.Debug("Success to call veth cmdDel", zap.Any("config", conf))
-
 	return nil
 }