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b61433ef0f
The new etcd balancer (>3.3.14, 3.4.0) uses an asynchronous resolver for endpoints. Without "WithBlock", the client may return before the connection is up. Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
/*
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Copyright 2014 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 integration
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import (
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"testing"
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"time"
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"google.golang.org/grpc"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apiserver/pkg/storage/storagebackend"
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clientset "k8s.io/client-go/kubernetes"
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coreclient "k8s.io/client-go/kubernetes/typed/core/v1"
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"github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/pkg/transport"
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)
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// DeletePodOrErrorf deletes a pod or fails with a call to t.Errorf.
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func DeletePodOrErrorf(t *testing.T, c clientset.Interface, ns, name string) {
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if err := c.CoreV1().Pods(ns).Delete(name, nil); err != nil {
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t.Errorf("unable to delete pod %v: %v", name, err)
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}
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}
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// Requests to try. Each one should be forbidden or not forbidden
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// depending on the authentication and authorization setup of the master.
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var (
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Code200 = map[int]bool{200: true}
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Code201 = map[int]bool{201: true}
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Code400 = map[int]bool{400: true}
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Code401 = map[int]bool{401: true}
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Code403 = map[int]bool{403: true}
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Code404 = map[int]bool{404: true}
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Code405 = map[int]bool{405: true}
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Code409 = map[int]bool{409: true}
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Code422 = map[int]bool{422: true}
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Code500 = map[int]bool{500: true}
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Code503 = map[int]bool{503: true}
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)
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// WaitForPodToDisappear polls the API server if the pod has been deleted.
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func WaitForPodToDisappear(podClient coreclient.PodInterface, podName string, interval, timeout time.Duration) error {
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return wait.PollImmediate(interval, timeout, func() (bool, error) {
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_, err := podClient.Get(podName, metav1.GetOptions{})
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if err == nil {
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return false, nil
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}
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if errors.IsNotFound(err) {
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return true, nil
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}
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return false, err
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})
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}
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// GetEtcdClients returns an initialized clientv3.Client and clientv3.KV.
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func GetEtcdClients(config storagebackend.TransportConfig) (*clientv3.Client, clientv3.KV, error) {
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tlsInfo := transport.TLSInfo{
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CertFile: config.CertFile,
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KeyFile: config.KeyFile,
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CAFile: config.CAFile,
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}
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tlsConfig, err := tlsInfo.ClientConfig()
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if err != nil {
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return nil, nil, err
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}
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cfg := clientv3.Config{
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Endpoints: config.ServerList,
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DialTimeout: 20 * time.Second,
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DialOptions: []grpc.DialOption{
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grpc.WithBlock(), // block until the underlying connection is up
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},
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TLS: tlsConfig,
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}
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c, err := clientv3.New(cfg)
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if err != nil {
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return nil, nil, err
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}
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return c, clientv3.NewKV(c), nil
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}
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