8cea69aa98
ApplyTo adds the admission chain to the server configuration the method lazily initializes a generic plugin that is appended to the list of pluginInitializers. apiserver.Config will hold an instance of SharedInformerFactory to ensure we only have once instance. The field will be initialized in apisever.SecureServingOptions
134 lines
3.9 KiB
Go
134 lines
3.9 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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 framework
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import (
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"fmt"
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"net/http"
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"testing"
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"github.com/pborman/uuid"
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"k8s.io/apimachinery/pkg/util/wait"
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restclient "k8s.io/client-go/rest"
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federationclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_clientset"
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"k8s.io/kubernetes/federation/cmd/federation-apiserver/app"
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"k8s.io/kubernetes/federation/cmd/federation-apiserver/app/options"
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"k8s.io/kubernetes/test/integration/framework"
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)
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const apiNoun = "federation apiserver"
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// GetRunOptions returns the default run options that can be used to run a test federation apiserver.
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func GetRunOptions() *options.ServerRunOptions {
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r := options.NewServerRunOptions()
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r.Etcd.StorageConfig.ServerList = []string{framework.GetEtcdURLFromEnv()}
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// Use a unique prefix to ensure isolation from other tests using the same etcd instance
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r.Etcd.StorageConfig.Prefix = uuid.New()
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// Disable secure serving
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r.SecureServing.BindPort = 0
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return r
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}
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// FederationAPIFixture manages a federation api server
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type FederationAPIFixture struct {
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Host string
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stopChan chan struct{}
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}
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// SetUp runs federation apiserver with default run options.
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func (f *FederationAPIFixture) SetUp(t *testing.T) {
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f.SetUpWithRunOptions(t, GetRunOptions())
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}
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// SetUpWithRunOptions runs federation apiserver with the given run options.
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// Uses default run options if runOptions is nil.
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func (f *FederationAPIFixture) SetUpWithRunOptions(t *testing.T, runOptions *options.ServerRunOptions) {
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if f.stopChan != nil {
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t.Fatal("SetUp() already called")
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}
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defer TearDownOnPanic(t, f)
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f.stopChan = make(chan struct{})
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err := startServer(t, runOptions, f.stopChan)
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if err != nil {
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t.Fatal(err)
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}
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f.Host = fmt.Sprintf("http://%s:%d", runOptions.InsecureServing.BindAddress, runOptions.InsecureServing.BindPort)
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err = waitForServer(t, f.Host)
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if err != nil {
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t.Fatal(err)
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}
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}
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func (f *FederationAPIFixture) TearDown(t *testing.T) {
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if f.stopChan != nil {
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close(f.stopChan)
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f.stopChan = nil
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}
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}
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func (f *FederationAPIFixture) NewConfig() *restclient.Config {
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return &restclient.Config{Host: f.Host}
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}
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func (f *FederationAPIFixture) NewClient(userAgent string) federationclientset.Interface {
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config := f.NewConfig()
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restclient.AddUserAgent(config, userAgent)
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return federationclientset.NewForConfigOrDie(config)
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}
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func startServer(t *testing.T, runOptions *options.ServerRunOptions, stopChan <-chan struct{}) error {
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err := wait.PollImmediate(DefaultWaitInterval, wait.ForeverTestTimeout, func() (bool, error) {
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port, err := framework.FindFreeLocalPort()
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if err != nil {
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t.Logf("Error allocating an ephemeral port: %v", err)
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return false, nil
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}
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runOptions.InsecureServing.BindPort = port
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err = app.NonBlockingRun(runOptions, stopChan)
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if err != nil {
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t.Logf("Error starting the %s: %v", apiNoun, err)
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return false, nil
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}
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return true, nil
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})
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if err != nil {
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return fmt.Errorf("Timed out waiting for the %s: %v", apiNoun, err)
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}
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return nil
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}
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func waitForServer(t *testing.T, host string) error {
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err := wait.PollImmediate(DefaultWaitInterval, wait.ForeverTestTimeout, func() (bool, error) {
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_, err := http.Get(host)
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if err != nil {
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t.Logf("Error when trying to contact the API: %v", err)
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return false, nil
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}
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return true, nil
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})
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if err != nil {
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return fmt.Errorf("Timed out waiting for the %s: %v", apiNoun, err)
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}
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return nil
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}
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