Add support for Namespace as Kind

Add example for using namespaces

pkg/client/namespaces.go

@@ -0,0 +1,88 @@
+/*
+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 (
+	"errors"
+	"fmt"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
+)
+
+type NamespacesInterface interface {
+	Namespaces() NamespaceInterface
+}
+
+type NamespaceInterface interface {
+	Create(item *api.Namespace) (*api.Namespace, error)
+	Get(name string) (result *api.Namespace, err error)
+	List(selector labels.Selector) (*api.NamespaceList, error)
+	Delete(name string) error
+	Update(item *api.Namespace) (*api.Namespace, error)
+}
+
+// namespaces implements NamespacesInterface
+type namespaces struct {
+	r *Client
+}
+
+// newNamespaces returns a namespaces object.
+func newNamespaces(c *Client) *namespaces {
+	return &namespaces{r: c}
+}
+
+// Create creates a new namespace.
+func (c *namespaces) Create(namespace *api.Namespace) (*api.Namespace, error) {
+	result := &api.Namespace{}
+	err := c.r.Post().Resource("namespaces").Body(namespace).Do().Into(result)
+	return result, err
+}
+
+// List lists all the namespaces in the cluster.
+func (c *namespaces) List(selector labels.Selector) (*api.NamespaceList, error) {
+	result := &api.NamespaceList{}
+	err := c.r.Get().Resource("namespaces").SelectorParam("labels", selector).Do().Into(result)
+	return result, err
+}
+
+// Update takes the representation of a namespace to update.  Returns the server's representation of the namespace, and an error, if it occurs.
+func (c *namespaces) Update(namespace *api.Namespace) (result *api.Namespace, err error) {
+	result = &api.Namespace{}
+	if len(namespace.ResourceVersion) == 0 {
+		err = fmt.Errorf("invalid update object, missing resource version: %v", namespace)
+		return
+	}
+	err = c.r.Put().Resource("namespaces").Name(namespace.Name).Body(namespace).Do().Into(result)
+	return
+}
+
+// Get gets an existing namespace
+func (c *namespaces) Get(name string) (*api.Namespace, error) {
+	if len(name) == 0 {
+		return nil, errors.New("name is required parameter to Get")
+	}
+
+	result := &api.Namespace{}
+	err := c.r.Get().Resource("namespaces").Name(name).Do().Into(result)
+	return result, err
+}
+
+// Delete deletes an existing namespace.
+func (c *namespaces) Delete(name string) error {
+	return c.r.Delete().Resource("namespaces").Name(name).Do().Error()
+}