Rework client.Interface

pkg/client/services.go

@@ -0,0 +1,100 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"fmt"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
+)
+
+// ServicesNamespacer has methods to work with Service resources in a namespace
+type ServicesNamespacer interface {
+	Services(namespace string) ServiceInterface
+}
+
+// ServiceInterface has methods to work with Service resources.
+type ServiceInterface interface {
+	List(selector labels.Selector) (*api.ServiceList, error)
+	Get(name string) (*api.Service, error)
+	Create(srv *api.Service) (*api.Service, error)
+	Update(srv *api.Service) (*api.Service, error)
+	Delete(name string) error
+	Watch(label, field labels.Selector, resourceVersion string) (watch.Interface, error)
+}
+
+// ServicesClient implements PodsNamespacer interface
+type ServicesClient struct {
+	r  *Client
+	ns string
+}
+
+// NewServicesClient returns a PodsClient
+func NewServicesClient(c *Client, namespace string) *ServicesClient {
+	return &ServicesClient{c, namespace}
+}
+
+// List takes a selector, and returns the list of services that match that selector
+func (c *ServicesClient) List(selector labels.Selector) (result *api.ServiceList, err error) {
+	result = &api.ServiceList{}
+	err = c.r.Get().Namespace(c.ns).Path("services").SelectorParam("labels", selector).Do().Into(result)
+	return
+}
+
+// Get returns information about a particular service.
+func (c *ServicesClient) Get(name string) (result *api.Service, err error) {
+	result = &api.Service{}
+	err = c.r.Get().Namespace(c.ns).Path("services").Path(name).Do().Into(result)
+	return
+}
+
+// Create creates a new service.
+func (c *ServicesClient) Create(svc *api.Service) (result *api.Service, err error) {
+	result = &api.Service{}
+	err = c.r.Post().Namespace(c.ns).Path("services").Body(svc).Do().Into(result)
+	return
+}
+
+// Update updates an existing service.
+func (c *ServicesClient) Update(svc *api.Service) (result *api.Service, err error) {
+	result = &api.Service{}
+	if len(svc.ResourceVersion) == 0 {
+		err = fmt.Errorf("invalid update object, missing resource version: %v", svc)
+		return
+	}
+	err = c.r.Put().Namespace(c.ns).Path("services").Path(svc.Name).Body(svc).Do().Into(result)
+	return
+}
+
+// Delete deletes an existing service.
+func (c *ServicesClient) Delete(name string) error {
+	return c.r.Delete().Namespace(c.ns).Path("services").Path(name).Do().Error()
+}
+
+// Watch returns a watch.Interface that watches the requested services.
+func (c *ServicesClient) Watch(label, field labels.Selector, resourceVersion string) (watch.Interface, error) {
+	return c.r.Get().
+		Namespace(c.ns).
+		Path("watch").
+		Path("services").
+		Param("resourceVersion", resourceVersion).
+		SelectorParam("labels", label).
+		SelectorParam("fields", field).
+		Watch()
+}