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// Copyright 2015 The etcd 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 integration
import (
"context"
"fmt"
"io/ioutil"
"reflect"
"testing"
"github.com/stretchr/testify/assert"
"go.etcd.io/etcd/client/v2"
)
func TestPauseMember(t *testing.T) {
BeforeTest(t)
c := NewCluster(t, 5)
c.Launch(t)
defer c.Terminate(t)
for i := 0; i < 5; i++ {
c.Members[i].Pause()
membs := append([]*member{}, c.Members[:i]...)
membs = append(membs, c.Members[i+1:]...)
c.waitLeader(t, membs)
clusterMustProgress(t, membs)
c.Members[i].Resume()
}
c.waitLeader(t, c.Members)
clusterMustProgress(t, c.Members)
}
func TestRestartMember(t *testing.T) {
BeforeTest(t)
c := newCluster(t, &ClusterConfig{Size: 3, UseBridge: true})
c.Launch(t)
defer c.Terminate(t)
for i := 0; i < 3; i++ {
c.Members[i].Stop(t)
membs := append([]*member{}, c.Members[:i]...)
membs = append(membs, c.Members[i+1:]...)
c.waitLeader(t, membs)
clusterMustProgress(t, membs)
err := c.Members[i].Restart(t)
if err != nil {
t.Fatal(err)
}
}
c.waitLeader(t, c.Members)
clusterMustProgress(t, c.Members)
}
func TestLaunchDuplicateMemberShouldFail(t *testing.T) {
BeforeTest(t)
size := 3
c := NewCluster(t, size)
m := c.Members[0].Clone(t)
var err error
m.DataDir, err = ioutil.TempDir(t.TempDir(), "etcd")
if err != nil {
t.Fatal(err)
}
c.Launch(t)
defer c.Terminate(t)
if err := m.Launch(); err == nil {
t.Errorf("unexpect successful launch")
} else {
t.Logf("launch failed as expected: %v", err)
assert.Contains(t, err.Error(), "has already been bootstrapped")
}
}
func TestSnapshotAndRestartMember(t *testing.T) {
BeforeTest(t)
m := mustNewMember(t, memberConfig{name: "snapAndRestartTest", useBridge: true})
m.SnapshotCount = 100
m.Launch()
defer m.Terminate(t)
m.WaitOK(t)
resps := make([]*client.Response, 120)
var err error
for i := 0; i < 120; i++ {
cc := MustNewHTTPClient(t, []string{m.URL()}, nil)
kapi := client.NewKeysAPI(cc)
ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
key := fmt.Sprintf("foo%d", i)
resps[i], err = kapi.Create(ctx, "/"+key, "bar")
if err != nil {
t.Fatalf("#%d: create on %s error: %v", i, m.URL(), err)
}
cancel()
}
m.Stop(t)
m.Restart(t)
m.WaitOK(t)
for i := 0; i < 120; i++ {
cc := MustNewHTTPClient(t, []string{m.URL()}, nil)
kapi := client.NewKeysAPI(cc)
ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
key := fmt.Sprintf("foo%d", i)
resp, err := kapi.Get(ctx, "/"+key, nil)
if err != nil {
t.Fatalf("#%d: get on %s error: %v", i, m.URL(), err)
}
cancel()
if !reflect.DeepEqual(resp.Node, resps[i].Node) {
t.Errorf("#%d: node = %v, want %v", i, resp.Node, resps[i].Node)
}
}
}
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