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client.go
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client.go
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/*
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 (
"encoding/json"
"fmt"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
)
// Interface holds the methods for clients of Kubernetes,
// an interface to allow mock testing.
type Interface interface {
PodsNamespacer
ReplicationControllersNamespacer
ServicesNamespacer
EndpointsNamespacer
VersionInterface
MinionsInterface
EventNamespacer
}
func (c *Client) ReplicationControllers(namespace string) ReplicationControllerInterface {
return newReplicationControllers(c, namespace)
}
func (c *Client) Minions() MinionInterface {
return newMinions(c)
}
func (c *Client) Events(namespace string) EventInterface {
return newEvents(c, namespace)
}
func (c *Client) Endpoints(namespace string) EndpointsInterface {
return newEndpoints(c, namespace)
}
func (c *Client) Pods(namespace string) PodInterface {
return newPods(c, namespace)
}
func (c *Client) Services(namespace string) ServiceInterface {
return newServices(c, namespace)
}
// VersionInterface has a method to retrieve the server version.
type VersionInterface interface {
ServerVersion() (*version.Info, error)
ServerAPIVersions() (*api.APIVersions, error)
}
// APIStatus is exposed by errors that can be converted to an api.Status object
// for finer grained details.
type APIStatus interface {
Status() api.Status
}
// Client is the implementation of a Kubernetes client.
type Client struct {
*RESTClient
}
// ServerVersion retrieves and parses the server's version.
func (c *Client) ServerVersion() (*version.Info, error) {
body, err := c.Get().AbsPath("/version").Do().Raw()
if err != nil {
return nil, err
}
var info version.Info
err = json.Unmarshal(body, &info)
if err != nil {
return nil, fmt.Errorf("got '%s': %v", string(body), err)
}
return &info, nil
}
// ServerAPIVersions retrieves and parses the list of API versions the server supports.
func (c *Client) ServerAPIVersions() (*api.APIVersions, error) {
body, err := c.Get().AbsPath("/api").Do().Raw()
if err != nil {
return nil, err
}
var v api.APIVersions
err = json.Unmarshal(body, &v)
if err != nil {
return nil, fmt.Errorf("got '%s': %v", string(body), err)
}
return &v, nil
}