mirror of
https://github.com/etcd-io/etcd.git
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2f36e0c62b
Currently the discovery url is just one endpoint. But actually it should be the same as the etcdctl, which means that it should be a list of endpoints. When one endpoint is down, the clientv3 can fail over to the next endpoint automatically.
124 lines
4.2 KiB
Go
124 lines
4.2 KiB
Go
// Copyright 2022 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package e2e
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import (
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"fmt"
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"strconv"
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"strings"
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"testing"
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"go.etcd.io/etcd/tests/v3/framework/e2e"
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)
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func TestClusterOf1UsingV3Discovery_1endpoint(t *testing.T) {
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testClusterUsingV3Discovery(t, 1, 1, e2e.ClientNonTLS, false)
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}
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func TestClusterOf3UsingV3Discovery_1endpoint(t *testing.T) {
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testClusterUsingV3Discovery(t, 1, 3, e2e.ClientTLS, true)
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}
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func TestTLSClusterOf5UsingV3Discovery_1endpoint(t *testing.T) {
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testClusterUsingV3Discovery(t, 1, 5, e2e.ClientTLS, false)
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}
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func TestClusterOf1UsingV3Discovery_3endpoints(t *testing.T) {
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testClusterUsingV3Discovery(t, 3, 1, e2e.ClientNonTLS, false)
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}
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func TestClusterOf3UsingV3Discovery_3endpoints(t *testing.T) {
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testClusterUsingV3Discovery(t, 3, 3, e2e.ClientTLS, true)
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}
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func TestTLSClusterOf5UsingV3Discovery_3endpoints(t *testing.T) {
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testClusterUsingV3Discovery(t, 3, 5, e2e.ClientTLS, false)
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}
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func testClusterUsingV3Discovery(t *testing.T, discoveryClusterSize, targetClusterSize int, clientTlsType e2e.ClientConnType, isClientAutoTls bool) {
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e2e.BeforeTest(t)
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// step 1: start the discovery service
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ds, err := e2e.NewEtcdProcessCluster(t, &e2e.EtcdProcessClusterConfig{
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InitialToken: "new",
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BasePort: 2000,
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ClusterSize: discoveryClusterSize,
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ClientTLS: clientTlsType,
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IsClientAutoTLS: isClientAutoTls,
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})
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if err != nil {
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t.Fatalf("could not start discovery etcd cluster (%v)", err)
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}
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defer ds.Close()
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// step 2: configure the cluster size
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discoveryToken := "8A591FAB-1D72-41FA-BDF2-A27162FDA1E0"
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configSizeKey := fmt.Sprintf("/_etcd/registry/%s/_config/size", discoveryToken)
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configSizeValStr := strconv.Itoa(targetClusterSize)
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if err := ctlV3Put(ctlCtx{epc: ds}, configSizeKey, configSizeValStr, ""); err != nil {
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t.Errorf("failed to configure cluster size to discovery serivce, error: %v", err)
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}
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// step 3: start the etcd cluster
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epc, err := bootstrapEtcdClusterUsingV3Discovery(t, ds.EndpointsV3(), discoveryToken, targetClusterSize, clientTlsType, isClientAutoTls)
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if err != nil {
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t.Fatalf("could not start etcd process cluster (%v)", err)
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}
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defer epc.Close()
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// step 4: sanity test on the etcd cluster
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etcdctl := []string{e2e.CtlBinPath, "--endpoints", strings.Join(epc.EndpointsV3(), ",")}
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if err := e2e.SpawnWithExpect(append(etcdctl, "put", "key", "value"), "OK"); err != nil {
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t.Fatal(err)
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}
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if err := e2e.SpawnWithExpect(append(etcdctl, "get", "key"), "value"); err != nil {
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t.Fatal(err)
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}
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}
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func bootstrapEtcdClusterUsingV3Discovery(t *testing.T, discoveryEndpoints []string, discoveryToken string, clusterSize int, clientTlsType e2e.ClientConnType, isClientAutoTls bool) (*e2e.EtcdProcessCluster, error) {
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// cluster configuration
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cfg := &e2e.EtcdProcessClusterConfig{
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BasePort: 3000,
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ClusterSize: clusterSize,
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IsPeerTLS: true,
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IsPeerAutoTLS: true,
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DiscoveryToken: discoveryToken,
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DiscoveryEndpoints: discoveryEndpoints,
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}
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// initialize the cluster
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epc, err := e2e.InitEtcdProcessCluster(t, cfg)
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if err != nil {
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t.Fatalf("could not initialize etcd cluster (%v)", err)
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return epc, err
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}
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// populate discovery related security configuration
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for _, ep := range epc.Procs {
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epCfg := ep.Config()
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if clientTlsType == e2e.ClientTLS {
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if isClientAutoTls {
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epCfg.Args = append(epCfg.Args, "--discovery-insecure-transport=false")
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epCfg.Args = append(epCfg.Args, "--discovery-insecure-skip-tls-verify=true")
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} else {
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epCfg.Args = append(epCfg.Args, "--discovery-cacert="+e2e.CaPath)
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epCfg.Args = append(epCfg.Args, "--discovery-cert="+e2e.CertPath)
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epCfg.Args = append(epCfg.Args, "--discovery-key="+e2e.PrivateKeyPath)
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}
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}
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}
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// start the cluster
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return e2e.StartEtcdProcessCluster(epc, cfg)
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}
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