代码拉取完成,页面将自动刷新
/*
Copyright 2017 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"
"strings"
"testing"
"time"
"k8s.io/apimachinery/pkg/util/wait"
etcdtesting "k8s.io/apiserver/pkg/storage/etcd/testing"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/cmd/kube-apiserver/app"
"k8s.io/kubernetes/cmd/kube-apiserver/app/options"
"k8s.io/kubernetes/pkg/api"
)
// 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 becaues 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)
}
}
defer func() {
if tearDownForCaller == nil {
tearDown()
}
}()
t.Logf("Starting etcd...")
etcdServer, storageConfig := etcdtesting.NewUnsecuredEtcd3TestClientServer(t, api.Scheme)
tmpDir, err = ioutil.TempDir("", "kubernetes-kube-apiserver")
if err != nil {
return nil, nil, fmt.Errorf("Failed to create temp dir: %v", err)
}
s := options.NewServerRunOptions()
s.InsecureServing.BindPort = 0
s.SecureServing.BindPort = freePort()
s.SecureServing.ServerCert.CertDirectory = tmpDir
s.ServiceClusterIPRange.IP = net.IPv4(10, 0, 0, 0)
s.ServiceClusterIPRange.Mask = net.CIDRMask(16, 32)
s.Etcd.StorageConfig = *storageConfig
s.Etcd.DefaultStorageMediaType = "application/json"
s.Admission.PluginNames = strings.Split("Initializers,NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,ResourceQuota,DefaultTolerationSeconds", ",")
s.APIEnablement.RuntimeConfig.Set("api/all=true")
t.Logf("Starting kube-apiserver...")
runErrCh := make(chan error, 1)
server, err := app.CreateServerChain(s, stopCh)
if err != nil {
return nil, nil, fmt.Errorf("Failed to create server chain: %v", err)
}
go func(stopCh <-chan struct{}) {
if err := server.PrepareRun().Run(stopCh); err != nil {
t.Logf("kube-apiserver exited uncleanly: %v", err)
runErrCh <- err
}
}(stopCh)
t.Logf("Waiting for /healthz to be ok...")
client, err := kubernetes.NewForConfig(server.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.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) {
// retry test because the bind might fail due to a race with another process
// binding to the port. We cannot listen to :0 (then the kernel would give us
// a port which is free for sure), so we need this workaround.
var err error
for retry := 0; retry < 5 && !t.Failed(); retry++ {
var config *restclient.Config
var td TearDownFunc
config, td, err = StartTestServer(t)
if err == nil {
return config, td
}
if err != nil && !strings.Contains(err.Error(), "bind") {
break
}
t.Logf("Bind error, retrying...")
}
t.Fatalf("Failed to launch server: %v", err)
return nil, nil
}
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
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。