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139 lines
3.7 KiB
Go
139 lines
3.7 KiB
Go
/*
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Copyright 2016 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 services
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import (
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"os"
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"testing"
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etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
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"k8s.io/apiserver/pkg/storage/storagebackend"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/klog/v2"
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)
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// e2eService manages e2e services in current process.
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type e2eServices struct {
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rmDirs []string
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// statically linked e2e services
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etcdServer *etcd3testing.EtcdTestServer
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etcdStorage *storagebackend.Config
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apiServer *APIServer
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nsController *NamespaceController
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}
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func newE2EServices() *e2eServices {
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return &e2eServices{}
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}
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// run starts all e2e services and wait for the termination signal. Once receives the
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// termination signal, it will stop the e2e services gracefully.
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func (es *e2eServices) run(t *testing.T) error {
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defer es.stop(t)
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if err := es.start(t); err != nil {
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return err
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}
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// Wait until receiving a termination signal.
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waitForTerminationSignal()
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return nil
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}
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// start starts the tests embedded services or returns an error.
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func (es *e2eServices) start(t *testing.T) error {
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klog.Info("Starting e2e services...")
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err := es.startEtcd(t)
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if err != nil {
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return err
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}
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err = es.startAPIServer(es.etcdStorage)
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if err != nil {
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return err
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}
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err = es.startNamespaceController()
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if err != nil {
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return nil
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}
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klog.Info("E2E services started.")
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return nil
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}
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// stop stops the embedded e2e services.
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func (es *e2eServices) stop(t *testing.T) {
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klog.Info("Stopping e2e services...")
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// TODO(random-liu): Use a loop to stop all services after introducing
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// service interface.
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klog.Info("Stopping namespace controller")
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if es.nsController != nil {
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if err := es.nsController.Stop(); err != nil {
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klog.Errorf("Failed to stop %q: %v", es.nsController.Name(), err)
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}
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}
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klog.Info("Stopping API server")
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if es.apiServer != nil {
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if err := es.apiServer.Stop(); err != nil {
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klog.Errorf("Failed to stop %q: %v", es.apiServer.Name(), err)
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}
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}
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klog.Info("Stopping etcd")
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if es.etcdServer != nil {
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es.etcdServer.Terminate(t)
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}
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for _, d := range es.rmDirs {
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klog.Infof("Deleting directory %v", d)
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err := os.RemoveAll(d)
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if err != nil {
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klog.Errorf("Failed to delete directory %s.\n%v", d, err)
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}
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}
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klog.Info("E2E services stopped.")
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}
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// startEtcd starts the embedded etcd instance or returns an error.
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func (es *e2eServices) startEtcd(t *testing.T) error {
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klog.Info("Starting etcd")
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server, etcdStorage := etcd3testing.NewUnsecuredEtcd3TestClientServer(t)
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es.etcdServer = server
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es.etcdStorage = etcdStorage
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return nil
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}
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// startAPIServer starts the embedded API server or returns an error.
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func (es *e2eServices) startAPIServer(etcdStorage *storagebackend.Config) error {
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klog.Info("Starting API server")
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es.apiServer = NewAPIServer(*etcdStorage)
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return es.apiServer.Start()
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}
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// startNamespaceController starts the embedded namespace controller or returns an error.
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func (es *e2eServices) startNamespaceController() error {
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klog.Info("Starting namespace controller")
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es.nsController = NewNamespaceController(framework.TestContext.Host)
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return es.nsController.Start()
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}
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// getServicesHealthCheckURLs returns the health check urls for the internal services.
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func getServicesHealthCheckURLs() []string {
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return []string{
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getAPIServerHealthCheckURL(),
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}
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}
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