Add cni plugin to kubelet if docker is used

pkg/agent/run.go

@@ -33,6 +33,7 @@ func run(ctx context.Context, cfg cmds.Agent) error {
 
 	if nodeConfig.Docker || nodeConfig.ContainerRuntimeEndpoint != "" {
 		nodeConfig.AgentConfig.RuntimeSocket = nodeConfig.ContainerRuntimeEndpoint
+		nodeConfig.AgentConfig.CNIPlugin = true
 	} else {
 		if err := containerd.Run(ctx, nodeConfig); err != nil {
 			return err

pkg/daemons/agent/agent.go

@@ -78,6 +78,9 @@ func kubelet(cfg *config.Agent) {
 	if cfg.CNIBinDir != "" {
 		argsMap["cni-bin-dir"] = cfg.CNIBinDir
 	}
+	if cfg.CNIPlugin {
+		argsMap["network-plugin"] = "cni"
+	}
 	if len(cfg.ClusterDNS) > 0 {
 		argsMap["cluster-dns"] = cfg.ClusterDNS.String()
 	}

pkg/daemons/config/types.go

@@ -53,6 +53,7 @@ type Agent struct {
 	CNIConfDir         string
 	ExtraKubeletArgs   []string
 	ExtraKubeProxyArgs []string
+	CNIPlugin          bool
 }
 
 type Control struct {