mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
124 lines
3.6 KiB
Go
124 lines
3.6 KiB
Go
// Copyright 2018 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 snapshot_test
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
|
|
"go.etcd.io/etcd/client/pkg/v3/testutil"
|
|
clientv3 "go.etcd.io/etcd/client/v3"
|
|
"go.etcd.io/etcd/server/v3/embed"
|
|
"go.etcd.io/etcd/server/v3/etcdserver"
|
|
integration2 "go.etcd.io/etcd/tests/v3/framework/integration"
|
|
)
|
|
|
|
// TestSnapshotV3RestoreMultiMemberAdd ensures that multiple members
|
|
// can boot into the same cluster after being restored from a same
|
|
// snapshot file, and also be able to add another member to the cluster.
|
|
func TestSnapshotV3RestoreMultiMemberAdd(t *testing.T) {
|
|
integration2.BeforeTest(t)
|
|
|
|
kvs := []kv{{"foo1", "bar1"}, {"foo2", "bar2"}, {"foo3", "bar3"}}
|
|
dbPath := createSnapshotFile(t, kvs)
|
|
|
|
clusterN := 3
|
|
cURLs, pURLs, srvs := restoreCluster(t, clusterN, dbPath)
|
|
|
|
defer func() {
|
|
for i := 0; i < clusterN; i++ {
|
|
srvs[i].Close()
|
|
}
|
|
}()
|
|
|
|
// wait for health interval + leader election
|
|
time.Sleep(etcdserver.HealthInterval + 2*time.Second)
|
|
|
|
cli, err := integration2.NewClient(t, clientv3.Config{Endpoints: []string{cURLs[0].String()}})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer cli.Close()
|
|
|
|
urls := newEmbedURLs(t, 2)
|
|
newCURLs, newPURLs := urls[:1], urls[1:]
|
|
if _, err = cli.MemberAdd(context.Background(), []string{newPURLs[0].String()}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// wait for membership reconfiguration apply
|
|
time.Sleep(testutil.ApplyTimeout)
|
|
|
|
cfg := integration2.NewEmbedConfig(t, "3")
|
|
cfg.InitialClusterToken = testClusterTkn
|
|
cfg.ClusterState = "existing"
|
|
cfg.ListenClientUrls, cfg.AdvertiseClientUrls = newCURLs, newCURLs
|
|
cfg.ListenPeerUrls, cfg.AdvertisePeerUrls = newPURLs, newPURLs
|
|
cfg.InitialCluster = ""
|
|
for i := 0; i < clusterN; i++ {
|
|
cfg.InitialCluster += fmt.Sprintf(",%d=%s", i, pURLs[i].String())
|
|
}
|
|
cfg.InitialCluster = cfg.InitialCluster[1:]
|
|
cfg.InitialCluster += fmt.Sprintf(",%s=%s", cfg.Name, newPURLs[0].String())
|
|
|
|
srv, err := embed.StartEtcd(cfg)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
srv.Close()
|
|
}()
|
|
select {
|
|
case <-srv.Server.ReadyNotify():
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatalf("failed to start the newly added etcd member")
|
|
}
|
|
|
|
cli2, err := integration2.NewClient(t, clientv3.Config{Endpoints: []string{newCURLs[0].String()}})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer cli2.Close()
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), testutil.RequestTimeout)
|
|
mresp, err := cli2.MemberList(ctx)
|
|
cancel()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(mresp.Members) != 4 {
|
|
t.Fatalf("expected 4 members, got %+v", mresp)
|
|
}
|
|
|
|
// make sure restored cluster has kept all data on recovery
|
|
var gresp *clientv3.GetResponse
|
|
ctx, cancel = context.WithTimeout(context.Background(), testutil.RequestTimeout)
|
|
gresp, err = cli2.Get(ctx, "foo", clientv3.WithPrefix())
|
|
cancel()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i := range gresp.Kvs {
|
|
if string(gresp.Kvs[i].Key) != kvs[i].k {
|
|
t.Fatalf("#%d: key expected %s, got %s", i, kvs[i].k, string(gresp.Kvs[i].Key))
|
|
}
|
|
if string(gresp.Kvs[i].Value) != kvs[i].v {
|
|
t.Fatalf("#%d: value expected %s, got %s", i, kvs[i].v, string(gresp.Kvs[i].Value))
|
|
}
|
|
}
|
|
}
|