go.etcd.io/etcd@v3.3.27+incompatible/integration/member_test.go (about)

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package integration
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"io/ioutil"
    21  	"os"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"github.com/coreos/etcd/client"
    26  	"github.com/coreos/etcd/pkg/testutil"
    27  )
    28  
    29  func TestPauseMember(t *testing.T) {
    30  	defer testutil.AfterTest(t)
    31  	c := NewCluster(t, 5)
    32  	c.Launch(t)
    33  	defer c.Terminate(t)
    34  
    35  	for i := 0; i < 5; i++ {
    36  		c.Members[i].Pause()
    37  		membs := append([]*member{}, c.Members[:i]...)
    38  		membs = append(membs, c.Members[i+1:]...)
    39  		c.waitLeader(t, membs)
    40  		clusterMustProgress(t, membs)
    41  		c.Members[i].Resume()
    42  	}
    43  	c.waitLeader(t, c.Members)
    44  	clusterMustProgress(t, c.Members)
    45  }
    46  
    47  func TestRestartMember(t *testing.T) {
    48  	defer testutil.AfterTest(t)
    49  	c := NewCluster(t, 3)
    50  	c.Launch(t)
    51  	defer c.Terminate(t)
    52  
    53  	for i := 0; i < 3; i++ {
    54  		c.Members[i].Stop(t)
    55  		membs := append([]*member{}, c.Members[:i]...)
    56  		membs = append(membs, c.Members[i+1:]...)
    57  		c.waitLeader(t, membs)
    58  		clusterMustProgress(t, membs)
    59  		err := c.Members[i].Restart(t)
    60  		if err != nil {
    61  			t.Fatal(err)
    62  		}
    63  	}
    64  	c.waitLeader(t, c.Members)
    65  	clusterMustProgress(t, c.Members)
    66  }
    67  
    68  func TestLaunchDuplicateMemberShouldFail(t *testing.T) {
    69  	size := 3
    70  	c := NewCluster(t, size)
    71  	m := c.Members[0].Clone(t)
    72  	var err error
    73  	m.DataDir, err = ioutil.TempDir(os.TempDir(), "etcd")
    74  	if err != nil {
    75  		t.Fatal(err)
    76  	}
    77  	c.Launch(t)
    78  	defer c.Terminate(t)
    79  
    80  	if err := m.Launch(); err == nil {
    81  		t.Errorf("unexpect successful launch")
    82  	}
    83  }
    84  
    85  func TestSnapshotAndRestartMember(t *testing.T) {
    86  	defer testutil.AfterTest(t)
    87  	m := mustNewMember(t, memberConfig{name: "snapAndRestartTest"})
    88  	m.SnapCount = 100
    89  	m.Launch()
    90  	defer m.Terminate(t)
    91  	m.WaitOK(t)
    92  
    93  	resps := make([]*client.Response, 120)
    94  	var err error
    95  	for i := 0; i < 120; i++ {
    96  		cc := MustNewHTTPClient(t, []string{m.URL()}, nil)
    97  		kapi := client.NewKeysAPI(cc)
    98  		ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
    99  		key := fmt.Sprintf("foo%d", i)
   100  		resps[i], err = kapi.Create(ctx, "/"+key, "bar")
   101  		if err != nil {
   102  			t.Fatalf("#%d: create on %s error: %v", i, m.URL(), err)
   103  		}
   104  		cancel()
   105  	}
   106  	m.Stop(t)
   107  	m.Restart(t)
   108  
   109  	m.WaitOK(t)
   110  	for i := 0; i < 120; i++ {
   111  		cc := MustNewHTTPClient(t, []string{m.URL()}, nil)
   112  		kapi := client.NewKeysAPI(cc)
   113  		ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
   114  		key := fmt.Sprintf("foo%d", i)
   115  		resp, err := kapi.Get(ctx, "/"+key, nil)
   116  		if err != nil {
   117  			t.Fatalf("#%d: get on %s error: %v", i, m.URL(), err)
   118  		}
   119  		cancel()
   120  
   121  		if !reflect.DeepEqual(resp.Node, resps[i].Node) {
   122  			t.Errorf("#%d: node = %v, want %v", i, resp.Node, resps[i].Node)
   123  		}
   124  	}
   125  }