mirror of https://github.com/k3s-io/k3s
152 lines
3.8 KiB
Go
152 lines
3.8 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package client
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import (
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"encoding/json"
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"fmt"
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"net"
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"net/url"
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"strings"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
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)
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// Interface holds the methods for clients of Kubernetes,
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// an interface to allow mock testing.
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type Interface interface {
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PodsNamespacer
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ReplicationControllersNamespacer
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ServicesNamespacer
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EndpointsNamespacer
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VersionInterface
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NodesInterface
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EventNamespacer
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LimitRangesNamespacer
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ResourceQuotasNamespacer
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SecretsNamespacer
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NamespacesInterface
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}
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func (c *Client) ReplicationControllers(namespace string) ReplicationControllerInterface {
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return newReplicationControllers(c, namespace)
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}
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func (c *Client) Nodes() NodeInterface {
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return newNodes(c)
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}
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func (c *Client) Events(namespace string) EventInterface {
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return newEvents(c, namespace)
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}
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func (c *Client) Endpoints(namespace string) EndpointsInterface {
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return newEndpoints(c, namespace)
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}
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func (c *Client) Pods(namespace string) PodInterface {
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return newPods(c, namespace)
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}
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func (c *Client) Services(namespace string) ServiceInterface {
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return newServices(c, namespace)
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}
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func (c *Client) LimitRanges(namespace string) LimitRangeInterface {
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return newLimitRanges(c, namespace)
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}
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func (c *Client) ResourceQuotas(namespace string) ResourceQuotaInterface {
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return newResourceQuotas(c, namespace)
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}
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func (c *Client) Secrets(namespace string) SecretsInterface {
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return newSecrets(c, namespace)
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}
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func (c *Client) Namespaces() NamespaceInterface {
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return newNamespaces(c)
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}
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// VersionInterface has a method to retrieve the server version.
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type VersionInterface interface {
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ServerVersion() (*version.Info, error)
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ServerAPIVersions() (*api.APIVersions, error)
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}
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// APIStatus is exposed by errors that can be converted to an api.Status object
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// for finer grained details.
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type APIStatus interface {
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Status() api.Status
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}
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// Client is the implementation of a Kubernetes client.
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type Client struct {
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*RESTClient
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}
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// ServerVersion retrieves and parses the server's version.
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func (c *Client) ServerVersion() (*version.Info, error) {
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body, err := c.Get().AbsPath("/version").Do().Raw()
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if err != nil {
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return nil, err
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}
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var info version.Info
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err = json.Unmarshal(body, &info)
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if err != nil {
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return nil, fmt.Errorf("got '%s': %v", string(body), err)
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}
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return &info, nil
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}
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// ServerAPIVersions retrieves and parses the list of API versions the server supports.
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func (c *Client) ServerAPIVersions() (*api.APIVersions, error) {
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body, err := c.Get().AbsPath("/api").Do().Raw()
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if err != nil {
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return nil, err
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}
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var v api.APIVersions
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err = json.Unmarshal(body, &v)
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if err != nil {
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return nil, fmt.Errorf("got '%s': %v", string(body), err)
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}
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return &v, nil
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}
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// IsTimeout tests if this is a timeout error in the underlying transport.
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// This is unbelievably ugly.
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// See: http://stackoverflow.com/questions/23494950/specifically-check-for-timeout-error for details
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func IsTimeout(err error) bool {
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if err == nil {
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return false
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}
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switch err := err.(type) {
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case *url.Error:
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if err, ok := err.Err.(net.Error); ok {
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return err.Timeout()
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}
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case net.Error:
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return err.Timeout()
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}
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if strings.Contains(err.Error(), "use of closed network connection") {
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return true
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}
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return false
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}
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