mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// Copyright 2023 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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//go:build !cluster_proxy
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package e2e
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import (
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"context"
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"math/rand"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.etcd.io/etcd/server/v3/etcdserver"
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"go.etcd.io/etcd/tests/v3/framework/e2e"
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)
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func TestMemberReplace(t *testing.T) {
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e2e.BeforeTest(t)
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ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
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defer cancel()
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epc, err := e2e.NewEtcdProcessCluster(t, &e2e.EtcdProcessClusterConfig{
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ClusterSize: 3,
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KeepDataDir: true,
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CorruptCheckTime: time.Second,
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})
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require.NoError(t, err)
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defer epc.Close()
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memberIdx := rand.Int() % len(epc.Procs)
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member := epc.Procs[memberIdx]
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memberName := member.Config().Name
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var endpoints []string
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for i := 1; i < len(epc.Procs); i++ {
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endpoints = append(endpoints, epc.Procs[(memberIdx+i)%len(epc.Procs)].EndpointsGRPC()...)
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}
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cc := e2e.NewEtcdctl(endpoints, e2e.ClientNonTLS, false, false)
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memberID, found, err := getMemberIdByName(ctx, cc, memberName)
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require.NoError(t, err)
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require.Equal(t, found, true, "Member not found")
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// Need to wait health interval for cluster to accept member changes
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time.Sleep(etcdserver.HealthInterval)
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t.Logf("Removing member %s", memberName)
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_, err = cc.MemberRemove(memberID)
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require.NoError(t, err)
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_, found, err = getMemberIdByName(ctx, cc, memberName)
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require.NoError(t, err)
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require.Equal(t, found, false, "Expected member to be removed")
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for member.IsRunning() {
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member.Close()
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time.Sleep(10 * time.Millisecond)
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}
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t.Logf("Removing member %s data", memberName)
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err = os.RemoveAll(member.Config().DataDirPath)
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require.NoError(t, err)
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t.Logf("Adding member %s back", memberName)
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removedMemberPeerUrl := member.Config().Purl.String()
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_, err = cc.MemberAdd(memberName, []string{removedMemberPeerUrl})
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require.NoError(t, err)
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member.Config().Args = patchArgs(member.Config().Args, "initial-cluster-state", "existing")
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require.NoError(t, err)
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// Sleep 100ms to bypass the known issue https://github.com/etcd-io/etcd/issues/16687.
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time.Sleep(100 * time.Millisecond)
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t.Logf("Starting member %s", memberName)
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err = member.Start()
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require.NoError(t, err)
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e2e.ExecuteUntil(ctx, t, func() {
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for {
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_, found, err := getMemberIdByName(ctx, cc, memberName)
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if err != nil || !found {
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time.Sleep(10 * time.Millisecond)
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continue
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}
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break
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}
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})
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}
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