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.GetEtcdURL()}
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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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