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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| 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 testing | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "k8s.io/apimachinery/pkg/apimachinery/announced" | ||
| "k8s.io/apimachinery/pkg/apimachinery/registered" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/serializer" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| genericapiserver "k8s.io/apiserver/pkg/server" | ||
| etcdtesting "k8s.io/apiserver/pkg/storage/etcd/testing" | ||
| "k8s.io/client-go/kubernetes" | ||
| restclient "k8s.io/client-go/rest" | ||
|
|
||
| "github.com/kubernetes-incubator/apiserver-builder/pkg/apiserver" | ||
| "github.com/kubernetes-incubator/apiserver-builder/pkg/builders" | ||
| "github.com/kubernetes-incubator/apiserver-builder/pkg/cmd/server" | ||
| capis "sigs.k8s.io/cluster-api/pkg/apis" | ||
| "sigs.k8s.io/cluster-api/pkg/openapi" | ||
| ) | ||
|
|
||
| // TearDownFunc is to be called to tear down a test server. | ||
| type TearDownFunc func() | ||
|
|
||
| // StartTestServer starts a etcd server and kube-apiserver. A rest client config and a tear-down func | ||
| // are returned. | ||
| // | ||
| // Note: we return a tear-down func instead of a stop channel because the later will leak temporariy | ||
| // files that because Golang testing's call to os.Exit will not give a stop channel go routine | ||
| // enough time to remove temporariy files. | ||
| func StartTestServer(t *testing.T) (result *restclient.Config, tearDownForCaller TearDownFunc, err error) { | ||
| var tmpDir string | ||
| var etcdServer *etcdtesting.EtcdTestServer | ||
| stopCh := make(chan struct{}) | ||
| tearDown := func() { | ||
| close(stopCh) | ||
| if etcdServer != nil { | ||
| etcdServer.Terminate(t) | ||
| } | ||
| if len(tmpDir) != 0 { | ||
| os.RemoveAll(tmpDir) | ||
| } | ||
| builders.GroupFactoryRegistry = announced.APIGroupFactoryRegistry{} | ||
| builders.Registry = registered.NewOrDie(os.Getenv("KUBE_API_VERSIONS")) | ||
| builders.Scheme = runtime.NewScheme() | ||
| builders.Codecs = serializer.NewCodecFactory(builders.Scheme) | ||
| builders.APIGroupBuilders = []*builders.APIGroupBuilder{} | ||
| } | ||
| defer func() { | ||
| if tearDownForCaller == nil { | ||
| tearDown() | ||
| } | ||
| }() | ||
|
|
||
| t.Logf("Starting etcd...") | ||
| etcdServer, storageConfig := etcdtesting.NewUnsecuredEtcd3TestClientServer(t) | ||
|
|
||
| tmpDir, err = ioutil.TempDir("", "openshift-cluster-api-apiserver") | ||
| if err != nil { | ||
| return nil, nil, fmt.Errorf("Failed to create temp dir: %v", err) | ||
| } | ||
|
|
||
| server.GetOpenApiDefinition = openapi.GetOpenAPIDefinitions | ||
| s := server.NewServerOptions("/registry/k8s.io", os.Stdout, os.Stderr, capis.GetAllApiBuilders()) | ||
|
|
||
| storageConfig.Codec = builders.Codecs.LegacyCodec(capis.GetClusterAPIBuilder().GetLegacyCodec()...) | ||
| s.RunDelegatedAuth = false | ||
| s.RecommendedOptions.SecureServing.BindPort = freePort() | ||
| s.RecommendedOptions.SecureServing.ServerCert.CertDirectory = tmpDir | ||
| s.RecommendedOptions.Etcd.StorageConfig = *storageConfig | ||
| s.RecommendedOptions.Etcd.DefaultStorageMediaType = "application/json" | ||
|
|
||
| t.Logf("Starting cluster-api-apiserver...") | ||
| runErrCh := make(chan error, 1) | ||
| server, err := createServer(s, "cluster-api-apiserver", "v0") | ||
| if err != nil { | ||
| return nil, nil, fmt.Errorf("Failed to create server: %v", err) | ||
| } | ||
| go func(stopCh <-chan struct{}) { | ||
| if err := server.GenericAPIServer.PrepareRun().Run(stopCh); err != nil { | ||
| t.Logf("cluster-api-apiserver exited uncleanly: %v", err) | ||
| runErrCh <- err | ||
| } | ||
| }(stopCh) | ||
|
|
||
| t.Logf("Waiting for /healthz to be ok...") | ||
| client, err := kubernetes.NewForConfig(server.GenericAPIServer.LoopbackClientConfig) | ||
| if err != nil { | ||
| return nil, nil, fmt.Errorf("Failed to create a client: %v", err) | ||
| } | ||
| err = wait.Poll(100*time.Millisecond, 30*time.Second, func() (bool, error) { | ||
| select { | ||
| case err := <-runErrCh: | ||
| return false, err | ||
| default: | ||
| } | ||
|
|
||
| result := client.CoreV1().RESTClient().Get().AbsPath("/healthz").Do() | ||
| status := 0 | ||
| result.StatusCode(&status) | ||
| if status == 200 { | ||
| return true, nil | ||
| } | ||
| return false, nil | ||
| }) | ||
| if err != nil { | ||
| return nil, nil, fmt.Errorf("Failed to wait for /healthz to return ok: %v", err) | ||
| } | ||
|
|
||
| // from here the caller must call tearDown | ||
| return server.GenericAPIServer.LoopbackClientConfig, tearDown, nil | ||
| } | ||
|
|
||
| // StartTestServerOrDie calls StartTestServer with up to 5 retries on bind error and dies with | ||
| // t.Fatal if it does not succeed. | ||
| func StartTestServerOrDie(t *testing.T) (*restclient.Config, TearDownFunc) { | ||
| config, td, err := StartTestServer(t) | ||
| if err != nil { | ||
| t.Fatalf("Failed to launch server: %v", err) | ||
| } | ||
| return config, td | ||
| } | ||
|
|
||
| func freePort() int { | ||
| addr, err := net.ResolveTCPAddr("tcp", "localhost:0") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| l, err := net.ListenTCP("tcp", addr) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| defer l.Close() | ||
| return l.Addr().(*net.TCPAddr).Port | ||
| } | ||
|
|
||
| func createServer(o *server.ServerOptions, title, version string) (*apiserver.Server, error) { | ||
| config, err := o.Config() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| o.BearerToken = config.GenericConfig.LoopbackClientConfig.BearerToken | ||
|
|
||
| for _, provider := range o.APIBuilders { | ||
| config.AddApi(provider) | ||
| } | ||
|
|
||
| config.Init() | ||
|
|
||
| config.GenericConfig.OpenAPIConfig = genericapiserver.DefaultOpenAPIConfig(server.GetOpenApiDefinition, builders.Scheme) | ||
| config.GenericConfig.OpenAPIConfig.Info.Title = title | ||
| config.GenericConfig.OpenAPIConfig.Info.Version = version | ||
|
|
||
| server, err := config.Complete().New() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for _, h := range o.PostStartHooks { | ||
| server.GenericAPIServer.AddPostStartHook(h.Name, h.Fn) | ||
| } | ||
| return server, nil | ||
| } |
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