make generic proxy can be marked as deprecated

Signed-off-by: zhu733756 <zhu733756@kubesphere.io>

pkg/kapis/generic/generic.go

@@ -41,6 +41,9 @@ type genericProxy struct {
 
 	// api version
 	Version string
+
+	// mark as desprecated
+	desprecated bool
 }
 
 func NewGenericProxy(endpoint string, groupName string, version string) (*genericProxy, error) {
@@ -59,6 +62,10 @@ func NewGenericProxy(endpoint string, groupName string, version string) (*generi
 	}, nil
 }
 
+func (g *genericProxy) SetProxyDesprecated() {
+	g.desprecated = true
+}
+
 // currently, we only support proxy GET/PUT/POST/DELETE/PATCH.
 // Maybe we can try another way to implement proxy.
 func (g *genericProxy) AddToContainer(container *restful.Container) error {
@@ -93,6 +100,10 @@ func (g *genericProxy) AddToContainer(container *restful.Container) error {
 }
 
 func (g *genericProxy) handler(request *restful.Request, response *restful.Response) {
+	if g.desprecated {
+		klog.Warning(fmt.Sprintf("This proxy group %s has deprecated", g.GroupName))
+	}
+
 	u := g.makeURL(request)
 
 	httpProxy := proxy.NewUpgradeAwareHandler(u, http.DefaultTransport, false, false, &errorResponder{})

pkg/kapis/kubeedge/v1alpha1/register.go

@@ -33,5 +33,7 @@ func AddToContainer(container *restful.Container, endpoint string) error {
 		return nil
 	}
 
+	proxy.SetProxyDesprecated()
+
 	return proxy.AddToContainer(container)
 }