Support the subresource of service proxy

pkg/client/unversioned/services.go

@@ -108,9 +108,9 @@ func (c *services) Watch(opts api.ListOptions) (watch.Interface, error) {
 // ProxyGet returns a response of the service by calling it through the proxy.
 func (c *services) ProxyGet(scheme, name, port, path string, params map[string]string) ResponseWrapper {
 	request := c.r.Get().
-		Prefix("proxy").
 		Namespace(c.ns).
 		Resource("services").
+		SubResource("proxy").
 		Name(net.JoinSchemeNamePort(scheme, name, port)).
 		Suffix(path)
 	for k, v := range params {

pkg/client/unversioned/services_test.go

@@ -218,7 +218,7 @@ func TestServiceProxyGet(t *testing.T) {
 	c := &simple.Client{
 		Request: simple.Request{
 			Method: "GET",
-			Path:   testapi.Default.ResourcePathWithPrefix("proxy", "services", ns, "service-1") + "/foo",
+			Path:   testapi.Default.ResourcePath("services", ns, "service-1") + "/proxy/foo",
 			Query:  simple.BuildQueryValues(url.Values{"param-name": []string{"param-value"}}),
 		},
 		Response: simple.Response{StatusCode: 200, RawBody: &body},
@@ -231,7 +231,7 @@ func TestServiceProxyGet(t *testing.T) {
 	c = &simple.Client{
 		Request: simple.Request{
 			Method: "GET",
-			Path:   testapi.Default.ResourcePathWithPrefix("proxy", "services", ns, "https:service-1:my-port") + "/foo",
+			Path:   testapi.Default.ResourcePath("services", ns, "https:service-1:my-port") + "/proxy/foo",
 			Query:  simple.BuildQueryValues(url.Values{"param-name": []string{"param-value"}}),
 		},
 		Response: simple.Response{StatusCode: 200, RawBody: &body},