mirror of
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Experimental client for horizontal pod autoscaler.
Implementation of experimental client for horizontal pod autoscaler. Placeholder implementation for controller for horizontal pod autoscaler.
This commit is contained in:
parent
b5a4a548df
commit
f2e15fd538
@ -51,6 +51,9 @@ import (
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"github.com/golang/glog"
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"github.com/golang/glog"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/spf13/pflag"
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"github.com/spf13/pflag"
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// TODO: Enable the code belowe when horizontal pod autoscaler controller is implemented.
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// "k8s.io/kubernetes/pkg/controller/autoscaler"
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)
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)
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// CMServer is the main context object for the controller manager.
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// CMServer is the main context object for the controller manager.
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@ -264,5 +267,13 @@ func (s *CMServer) Run(_ []string) error {
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serviceaccount.DefaultServiceAccountsControllerOptions(),
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serviceaccount.DefaultServiceAccountsControllerOptions(),
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).Run()
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).Run()
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// TODO: Enable the code belowe when horizontal pod autoscaler controller is implemented.
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// expClient, err := client.NewExperimental(kubeconfig)
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// if err != nil {
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// glog.Fatalf("Invalid API configuration: %v", err)
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// }
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// horizontalPodAutoscalerController := autoscalercontroller.New(expClient)
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// horizontalPodAutoscalerController.Run(s.NodeSyncPeriod)
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select {}
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select {}
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}
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}
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@ -54,6 +54,7 @@ type Response struct {
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type testClient struct {
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type testClient struct {
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*Client
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*Client
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*ExperimentalClient
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Request testRequest
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Request testRequest
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Response Response
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Response Response
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Error bool
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Error bool
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@ -86,6 +87,16 @@ func (c *testClient) Setup() *testClient {
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Version: version,
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Version: version,
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})
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})
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}
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}
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if c.ExperimentalClient == nil {
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version := c.Version
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if len(version) == 0 {
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version = testapi.Version()
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}
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c.ExperimentalClient = NewExperimentalOrDie(&Config{
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Host: c.server.URL,
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Version: version,
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})
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}
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c.QueryValidator = map[string]func(string, string) bool{}
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c.QueryValidator = map[string]func(string, string) bool{}
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return c
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return c
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}
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}
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@ -32,6 +32,7 @@ import (
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// incompatible ways at any time.
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// incompatible ways at any time.
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type ExperimentalInterface interface {
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type ExperimentalInterface interface {
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VersionInterface
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VersionInterface
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HorizontalPodAutoscalersNamespacer
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}
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}
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// ExperimentalClient is used to interact with experimental Kubernetes features.
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// ExperimentalClient is used to interact with experimental Kubernetes features.
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@ -70,6 +71,10 @@ func (c *ExperimentalClient) ServerAPIVersions() (*api.APIVersions, error) {
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return &v, nil
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return &v, nil
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}
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}
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func (c *ExperimentalClient) HorizontalPodAutoscalers(namespace string) HorizontalPodAutoscalerInterface {
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return newHorizontalPodAutoscalers(c, namespace)
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}
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// NewExperimental creates a new ExperimentalClient for the given config. This client
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// NewExperimental creates a new ExperimentalClient for the given config. This client
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// provides access to experimental Kubernetes features.
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// provides access to experimental Kubernetes features.
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// Experimental features are not supported and may be changed or removed in
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// Experimental features are not supported and may be changed or removed in
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107
pkg/client/unversioned/horizontalpodautoscaler.go
Normal file
107
pkg/client/unversioned/horizontalpodautoscaler.go
Normal file
@ -0,0 +1,107 @@
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/*
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Copyright 2015 The Kubernetes Authors 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 unversioned
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import (
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/expapi"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/watch"
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)
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// HorizontalPodAutoscalersNamespacer has methods to work with HorizontalPodAutoscaler resources in a namespace
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type HorizontalPodAutoscalersNamespacer interface {
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HorizontalPodAutoscalers(namespace string) HorizontalPodAutoscalerInterface
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}
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// HorizontalPodAutoscalerInterface has methods to work with HorizontalPodAutoscaler resources.
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type HorizontalPodAutoscalerInterface interface {
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List(label labels.Selector, field fields.Selector) (*expapi.HorizontalPodAutoscalerList, error)
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Get(name string) (*expapi.HorizontalPodAutoscaler, error)
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Delete(name string, options *api.DeleteOptions) error
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Create(horizontalPodAutoscaler *expapi.HorizontalPodAutoscaler) (*expapi.HorizontalPodAutoscaler, error)
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Update(horizontalPodAutoscaler *expapi.HorizontalPodAutoscaler) (*expapi.HorizontalPodAutoscaler, error)
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Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error)
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}
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// horizontalPodAutoscalers implements HorizontalPodAutoscalersNamespacer interface
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type horizontalPodAutoscalers struct {
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client *ExperimentalClient
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ns string
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}
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// newHorizontalPodAutoscalers returns a horizontalPodAutoscalers
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func newHorizontalPodAutoscalers(c *ExperimentalClient, namespace string) *horizontalPodAutoscalers {
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return &horizontalPodAutoscalers{
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client: c,
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ns: namespace,
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}
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}
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// List takes label and field selectors, and returns the list of horizontalPodAutoscalers that match those selectors.
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func (c *horizontalPodAutoscalers) List(label labels.Selector, field fields.Selector) (result *expapi.HorizontalPodAutoscalerList, err error) {
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result = &expapi.HorizontalPodAutoscalerList{}
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err = c.client.Get().Namespace(c.ns).Resource("horizontalPodAutoscalers").LabelsSelectorParam(label).FieldsSelectorParam(field).Do().Into(result)
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return
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}
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// Get takes the name of the horizontalPodAutoscaler, and returns the corresponding HorizontalPodAutoscaler object, and an error if it occurs
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func (c *horizontalPodAutoscalers) Get(name string) (result *expapi.HorizontalPodAutoscaler, err error) {
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result = &expapi.HorizontalPodAutoscaler{}
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err = c.client.Get().Namespace(c.ns).Resource("horizontalPodAutoscalers").Name(name).Do().Into(result)
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return
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}
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// Delete takes the name of the horizontalPodAutoscaler and deletes it. Returns an error if one occurs.
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func (c *horizontalPodAutoscalers) Delete(name string, options *api.DeleteOptions) error {
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// TODO: to make this reusable in other client libraries
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if options == nil {
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return c.client.Delete().Namespace(c.ns).Resource("horizontalPodAutoscalers").Name(name).Do().Error()
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}
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body, err := api.Scheme.EncodeToVersion(options, c.client.APIVersion())
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if err != nil {
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return err
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}
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return c.client.Delete().Namespace(c.ns).Resource("horizontalPodAutoscalers").Name(name).Body(body).Do().Error()
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}
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// Create takes the representation of a horizontalPodAutoscaler and creates it. Returns the server's representation of the horizontalPodAutoscaler, and an error, if it occurs.
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func (c *horizontalPodAutoscalers) Create(horizontalPodAutoscaler *expapi.HorizontalPodAutoscaler) (result *expapi.HorizontalPodAutoscaler, err error) {
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result = &expapi.HorizontalPodAutoscaler{}
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err = c.client.Post().Namespace(c.ns).Resource("horizontalPodAutoscalers").Body(horizontalPodAutoscaler).Do().Into(result)
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return
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}
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// Update takes the representation of a horizontalPodAutoscaler and updates it. Returns the server's representation of the horizontalPodAutoscaler, and an error, if it occurs.
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func (c *horizontalPodAutoscalers) Update(horizontalPodAutoscaler *expapi.HorizontalPodAutoscaler) (result *expapi.HorizontalPodAutoscaler, err error) {
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result = &expapi.HorizontalPodAutoscaler{}
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err = c.client.Put().Namespace(c.ns).Resource("horizontalPodAutoscalers").Name(horizontalPodAutoscaler.Name).Body(horizontalPodAutoscaler).Do().Into(result)
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return
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}
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// Watch returns a watch.Interface that watches the requested horizontalPodAutoscalers.
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func (c *horizontalPodAutoscalers) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
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return c.client.Get().
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Prefix("watch").
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Namespace(c.ns).
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Resource("horizontalPodAutoscalers").
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Param("resourceVersion", resourceVersion).
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LabelsSelectorParam(label).
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FieldsSelectorParam(field).
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Watch()
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}
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143
pkg/client/unversioned/horizontalpodautoscaler_test.go
Normal file
143
pkg/client/unversioned/horizontalpodautoscaler_test.go
Normal file
@ -0,0 +1,143 @@
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/*
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Copyright 2015 The Kubernetes Authors 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 unversioned
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import (
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"net/url"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/expapi"
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"k8s.io/kubernetes/pkg/expapi/testapi"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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)
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func getHorizontalPodAutoscalersResoureName() string {
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return "horizontalpodautoscalers"
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}
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func TestHorizontalPodAutoscalerCreate(t *testing.T) {
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ns := api.NamespaceDefault
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horizontalPodAutoscaler := expapi.HorizontalPodAutoscaler{
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ObjectMeta: api.ObjectMeta{
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Name: "abc",
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Namespace: ns,
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},
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}
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c := &testClient{
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Request: testRequest{
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Method: "POST",
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Path: testapi.ResourcePath(getHorizontalPodAutoscalersResoureName(), ns, ""),
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Query: buildQueryValues(nil),
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Body: &horizontalPodAutoscaler,
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},
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Response: Response{StatusCode: 200, Body: &horizontalPodAutoscaler},
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}
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response, err := c.Setup().HorizontalPodAutoscalers(ns).Create(&horizontalPodAutoscaler)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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c.Validate(t, response, err)
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}
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func TestHorizontalPodAutoscalerGet(t *testing.T) {
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ns := api.NamespaceDefault
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horizontalPodAutoscaler := &expapi.HorizontalPodAutoscaler{
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ObjectMeta: api.ObjectMeta{
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Name: "abc",
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Namespace: ns,
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},
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}
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c := &testClient{
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Request: testRequest{
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Method: "GET",
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Path: testapi.ResourcePath(getHorizontalPodAutoscalersResoureName(), ns, "abc"),
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Query: buildQueryValues(nil),
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Body: nil,
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},
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Response: Response{StatusCode: 200, Body: horizontalPodAutoscaler},
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}
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response, err := c.Setup().HorizontalPodAutoscalers(ns).Get("abc")
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c.Validate(t, response, err)
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}
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func TestHorizontalPodAutoscalerList(t *testing.T) {
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ns := api.NamespaceDefault
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horizontalPodAutoscalerList := &expapi.HorizontalPodAutoscalerList{
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Items: []expapi.HorizontalPodAutoscaler{
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{
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ObjectMeta: api.ObjectMeta{
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Name: "foo",
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Namespace: ns,
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},
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},
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},
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}
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c := &testClient{
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Request: testRequest{
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Method: "GET",
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Path: testapi.ResourcePath(getHorizontalPodAutoscalersResoureName(), ns, ""),
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Query: buildQueryValues(nil),
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Body: nil,
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},
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Response: Response{StatusCode: 200, Body: horizontalPodAutoscalerList},
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}
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response, err := c.Setup().HorizontalPodAutoscalers(ns).List(labels.Everything(), fields.Everything())
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c.Validate(t, response, err)
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}
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func TestHorizontalPodAutoscalerUpdate(t *testing.T) {
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ns := api.NamespaceDefault
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horizontalPodAutoscaler := &expapi.HorizontalPodAutoscaler{
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ObjectMeta: api.ObjectMeta{
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Name: "abc",
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Namespace: ns,
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ResourceVersion: "1",
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},
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|
}
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|
c := &testClient{
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|
Request: testRequest{Method: "PUT", Path: testapi.ResourcePath(getHorizontalPodAutoscalersResoureName(), ns, "abc"), Query: buildQueryValues(nil)},
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|
Response: Response{StatusCode: 200, Body: horizontalPodAutoscaler},
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}
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response, err := c.Setup().HorizontalPodAutoscalers(ns).Update(horizontalPodAutoscaler)
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|
c.Validate(t, response, err)
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|
}
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|
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|
func TestHorizontalPodAutoscalerDelete(t *testing.T) {
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|
ns := api.NamespaceDefault
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|
c := &testClient{
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|
Request: testRequest{Method: "DELETE", Path: testapi.ResourcePath(getHorizontalPodAutoscalersResoureName(), ns, "foo"), Query: buildQueryValues(nil)},
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|
Response: Response{StatusCode: 200},
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|
}
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err := c.Setup().HorizontalPodAutoscalers(ns).Delete("foo", nil)
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|
c.Validate(t, nil, err)
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|
}
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|
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|
func TestHorizontalPodAutoscalerWatch(t *testing.T) {
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|
c := &testClient{
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|
Request: testRequest{
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|
Method: "GET",
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|
Path: testapi.ResourcePathWithPrefix("watch", getHorizontalPodAutoscalersResoureName(), "", ""),
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|
Query: url.Values{"resourceVersion": []string{}}},
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|
Response: Response{StatusCode: 200},
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|
}
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|
_, err := c.Setup().HorizontalPodAutoscalers(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), "")
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|
c.Validate(t, nil, err)
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|
}
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@ -0,0 +1,58 @@
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|
/*
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|
Copyright 2015 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.
|
||||||
|
*/
|
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|
|
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|
package autoscalercontroller
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|
|
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|
import (
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|
"fmt"
|
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|
"time"
|
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|
|
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|
"github.com/golang/glog"
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|
"k8s.io/kubernetes/pkg/api"
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|
"k8s.io/kubernetes/pkg/client/unversioned"
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|
"k8s.io/kubernetes/pkg/fields"
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|
"k8s.io/kubernetes/pkg/labels"
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|
"k8s.io/kubernetes/pkg/util"
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|
)
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|
|
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|
type HorizontalPodAutoscalerController struct {
|
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|
kubeClient unversioned.ExperimentalInterface
|
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|
}
|
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|
|
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|
func New(kubeClient unversioned.ExperimentalInterface) *HorizontalPodAutoscalerController {
|
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|
return &HorizontalPodAutoscalerController{
|
||||||
|
kubeClient: kubeClient,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (a *HorizontalPodAutoscalerController) Run(syncPeriod time.Duration) {
|
||||||
|
go util.Forever(func() {
|
||||||
|
if err := a.reconcileAutoscalers(); err != nil {
|
||||||
|
glog.Errorf("Couldn't reconcile horizontal pod autoscalers: %v", err)
|
||||||
|
}
|
||||||
|
}, syncPeriod)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (a *HorizontalPodAutoscalerController) reconcileAutoscalers() error {
|
||||||
|
ns := api.NamespaceAll
|
||||||
|
list, err := a.kubeClient.HorizontalPodAutoscalers(ns).List(labels.Everything(), fields.Everything())
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("error listing nodes: %v", err)
|
||||||
|
}
|
||||||
|
// TODO: implement!
|
||||||
|
glog.Info("autoscalers: %v", list)
|
||||||
|
return nil
|
||||||
|
}
|
52
pkg/expapi/testapi/testapi.go
Normal file
52
pkg/expapi/testapi/testapi.go
Normal file
@ -0,0 +1,52 @@
|
|||||||
|
/*
|
||||||
|
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 testapi
|
||||||
|
|
||||||
|
import (
|
||||||
|
"strings"
|
||||||
|
|
||||||
|
"k8s.io/kubernetes/pkg/expapi/latest"
|
||||||
|
)
|
||||||
|
|
||||||
|
// Returns the appropriate path for the given prefix (watch, proxy, redirect, etc), resource, namespace and name.
|
||||||
|
// For example, this is of the form:
|
||||||
|
// /experimental/v1/watch/namespaces/foo/pods/pod0 for v1.
|
||||||
|
func ResourcePathWithPrefix(prefix, resource, namespace, name string) string {
|
||||||
|
path := "/experimental/" + latest.Version
|
||||||
|
if prefix != "" {
|
||||||
|
path = path + "/" + prefix
|
||||||
|
}
|
||||||
|
if namespace != "" {
|
||||||
|
path = path + "/namespaces/" + namespace
|
||||||
|
}
|
||||||
|
// Resource names are lower case.
|
||||||
|
resource = strings.ToLower(resource)
|
||||||
|
if resource != "" {
|
||||||
|
path = path + "/" + resource
|
||||||
|
}
|
||||||
|
if name != "" {
|
||||||
|
path = path + "/" + name
|
||||||
|
}
|
||||||
|
return path
|
||||||
|
}
|
||||||
|
|
||||||
|
// Returns the appropriate path for the given resource, namespace and name.
|
||||||
|
// For example, this is of the form:
|
||||||
|
// /experimental/v1/namespaces/foo/pods/pod0 for v1.
|
||||||
|
func ResourcePath(resource, namespace, name string) string {
|
||||||
|
return ResourcePathWithPrefix("", resource, namespace, name)
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user