Moving client libs to unversioned dir

pkg/client/unversioned/client.go

@@ -0,0 +1,194 @@
+/*
+Copyright 2014 The Kubernetes Authors 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 unversioned
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/url"
+	"strings"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/version"
+)
+
+// Interface holds the methods for clients of Kubernetes,
+// an interface to allow mock testing.
+type Interface interface {
+	PodsNamespacer
+	PodTemplatesNamespacer
+	ReplicationControllersNamespacer
+	ServicesNamespacer
+	EndpointsNamespacer
+	VersionInterface
+	NodesInterface
+	EventNamespacer
+	LimitRangesNamespacer
+	ResourceQuotasNamespacer
+	ServiceAccountsNamespacer
+	SecretsNamespacer
+	NamespacesInterface
+	PersistentVolumesInterface
+	PersistentVolumeClaimsNamespacer
+	ComponentStatusesInterface
+}
+
+func (c *Client) ReplicationControllers(namespace string) ReplicationControllerInterface {
+	return newReplicationControllers(c, namespace)
+}
+
+func (c *Client) Nodes() NodeInterface {
+	return newNodes(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) PodTemplates(namespace string) PodTemplateInterface {
+	return newPodTemplates(c, namespace)
+}
+
+func (c *Client) Services(namespace string) ServiceInterface {
+	return newServices(c, namespace)
+}
+func (c *Client) LimitRanges(namespace string) LimitRangeInterface {
+	return newLimitRanges(c, namespace)
+}
+
+func (c *Client) ResourceQuotas(namespace string) ResourceQuotaInterface {
+	return newResourceQuotas(c, namespace)
+}
+
+func (c *Client) ServiceAccounts(namespace string) ServiceAccountsInterface {
+	return newServiceAccounts(c, namespace)
+}
+
+func (c *Client) Secrets(namespace string) SecretsInterface {
+	return newSecrets(c, namespace)
+}
+
+func (c *Client) Namespaces() NamespaceInterface {
+	return newNamespaces(c)
+}
+
+func (c *Client) PersistentVolumes() PersistentVolumeInterface {
+	return newPersistentVolumes(c)
+}
+
+func (c *Client) PersistentVolumeClaims(namespace string) PersistentVolumeClaimInterface {
+	return newPersistentVolumeClaims(c, namespace)
+}
+
+func (c *Client) ComponentStatuses() ComponentStatusInterface {
+	return newComponentStatuses(c)
+}
+
+// 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().UnversionedPath("").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
+}
+
+type ComponentValidatorInterface interface {
+	ValidateComponents() (*api.ComponentStatusList, error)
+}
+
+// ValidateComponents retrieves and parses the master's self-monitored cluster state.
+// TODO: This should hit the versioned endpoint when that is implemented.
+func (c *Client) ValidateComponents() (*api.ComponentStatusList, error) {
+	body, err := c.Get().AbsPath("/validate").DoRaw()
+	if err != nil {
+		return nil, err
+	}
+
+	statuses := []api.ComponentStatus{}
+	if err := json.Unmarshal(body, &statuses); err != nil {
+		return nil, fmt.Errorf("got '%s': %v", string(body), err)
+	}
+	return &api.ComponentStatusList{Items: statuses}, nil
+}
+
+// IsTimeout tests if this is a timeout error in the underlying transport.
+// This is unbelievably ugly.
+// See: http://stackoverflow.com/questions/23494950/specifically-check-for-timeout-error for details
+func IsTimeout(err error) bool {
+	if err == nil {
+		return false
+	}
+	switch err := err.(type) {
+	case *url.Error:
+		if err, ok := err.Err.(net.Error); ok {
+			return err.Timeout()
+		}
+	case net.Error:
+		return err.Timeout()
+	}
+
+	if strings.Contains(err.Error(), "use of closed network connection") {
+		return true
+	}
+	return false
+}