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snapshot: remove tests 

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
release-3.3
Gyuho Lee 2018-04-12 15:24:02 -07:00
parent 56a9778bc2
commit 2cabb82375
2 changed files with 0 additions and 397 deletions
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125
snapshot/member_test.go
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@ -1,125 +0,0 @@
// 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
import (
"context"
"fmt"
"os"
"path/filepath"
"testing"
"time"
"github.com/coreos/etcd/clientv3"
"github.com/coreos/etcd/embed"
"github.com/coreos/etcd/etcdserver"
"github.com/coreos/etcd/pkg/testutil"
)
// 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) {
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++ {
os.RemoveAll(srvs[i].Config().Dir)
srvs[i].Close()
}
}()
// wait for health interval + leader election
time.Sleep(etcdserver.HealthInterval + 2*time.Second)
cli, err := clientv3.New(clientv3.Config{Endpoints: []string{cURLs[0].String()}})
if err != nil {
t.Fatal(err)
}
defer cli.Close()
urls := newEmbedURLs(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 := embed.NewConfig()
cfg.Name = "3"
cfg.InitialClusterToken = testClusterTkn
cfg.ClusterState = "existing"
cfg.LCUrls, cfg.ACUrls = newCURLs, newCURLs
cfg.LPUrls, cfg.APUrls = 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())
cfg.Dir = filepath.Join(os.TempDir(), fmt.Sprint(time.Now().Nanosecond()))
srv, err := embed.StartEtcd(cfg)
if err != nil {
t.Fatal(err)
}
defer func() {
os.RemoveAll(cfg.Dir)
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 := clientv3.New(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))
}
}
}

272
snapshot/v3_snapshot_test.go
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@ -1,272 +0,0 @@
// 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
import (
"context"
"fmt"
"math/rand"
"net/url"
"os"
"path/filepath"
"testing"
"time"
"github.com/coreos/etcd/clientv3"
"github.com/coreos/etcd/embed"
"github.com/coreos/etcd/pkg/testutil"
"go.uber.org/zap"
)
// TestSnapshotV3RestoreSingle tests single node cluster restoring
// from a snapshot file.
func TestSnapshotV3RestoreSingle(t *testing.T) {
kvs := []kv{{"foo1", "bar1"}, {"foo2", "bar2"}, {"foo3", "bar3"}}
dbPath := createSnapshotFile(t, kvs)
defer os.RemoveAll(dbPath)
clusterN := 1
urls := newEmbedURLs(clusterN * 2)
cURLs, pURLs := urls[:clusterN], urls[clusterN:]
cfg := embed.NewConfig()
cfg.Name = "s1"
cfg.InitialClusterToken = testClusterTkn
cfg.ClusterState = "existing"
cfg.LCUrls, cfg.ACUrls = cURLs, cURLs
cfg.LPUrls, cfg.APUrls = pURLs, pURLs
cfg.InitialCluster = fmt.Sprintf("%s=%s", cfg.Name, pURLs[0].String())
cfg.Dir = filepath.Join(os.TempDir(), fmt.Sprint(time.Now().Nanosecond()))
sp := NewV3(zap.NewExample())
pss := make([]string, 0, len(pURLs))
for _, p := range pURLs {
pss = append(pss, p.String())
}
if err := sp.Restore(RestoreConfig{
SnapshotPath: dbPath,
Name: cfg.Name,
OutputDataDir: cfg.Dir,
InitialCluster: cfg.InitialCluster,
InitialClusterToken: cfg.InitialClusterToken,
PeerURLs: pss,
}); err != nil {
t.Fatal(err)
}
srv, err := embed.StartEtcd(cfg)
if err != nil {
t.Fatal(err)
}
defer func() {
os.RemoveAll(cfg.Dir)
srv.Close()
}()
select {
case <-srv.Server.ReadyNotify():
case <-time.After(3 * time.Second):
t.Fatalf("failed to start restored etcd member")
}
var cli *clientv3.Client
cli, err = clientv3.New(clientv3.Config{Endpoints: []string{cfg.ACUrls[0].String()}})
if err != nil {
t.Fatal(err)
}
defer cli.Close()
for i := range kvs {
var gresp *clientv3.GetResponse
gresp, err = cli.Get(context.Background(), kvs[i].k)
if err != nil {
t.Fatal(err)
}
if string(gresp.Kvs[0].Value) != kvs[i].v {
t.Fatalf("#%d: value expected %s, got %s", i, kvs[i].v, string(gresp.Kvs[0].Value))
}
}
}
// TestSnapshotV3RestoreMulti ensures that multiple members
// can boot into the same cluster after being restored from a same
// snapshot file.
func TestSnapshotV3RestoreMulti(t *testing.T) {
kvs := []kv{{"foo1", "bar1"}, {"foo2", "bar2"}, {"foo3", "bar3"}}
dbPath := createSnapshotFile(t, kvs)
defer os.RemoveAll(dbPath)
clusterN := 3
cURLs, _, srvs := restoreCluster(t, clusterN, dbPath)
defer func() {
for i := 0; i < clusterN; i++ {
os.RemoveAll(srvs[i].Config().Dir)
srvs[i].Close()
}
}()
// wait for leader election
time.Sleep(time.Second)
for i := 0; i < clusterN; i++ {
cli, err := clientv3.New(clientv3.Config{Endpoints: []string{cURLs[i].String()}})
if err != nil {
t.Fatal(err)
}
defer cli.Close()
for i := range kvs {
var gresp *clientv3.GetResponse
gresp, err = cli.Get(context.Background(), kvs[i].k)
if err != nil {
t.Fatal(err)
}
if string(gresp.Kvs[0].Value) != kvs[i].v {
t.Fatalf("#%d: value expected %s, got %s", i, kvs[i].v, string(gresp.Kvs[0].Value))
}
}
}
}
type kv struct {
k, v string
}
// creates a snapshot file and returns the file path.
func createSnapshotFile(t *testing.T, kvs []kv) string {
clusterN := 1
urls := newEmbedURLs(clusterN * 2)
cURLs, pURLs := urls[:clusterN], urls[clusterN:]
cfg := embed.NewConfig()
cfg.Name = "default"
cfg.ClusterState = "new"
cfg.LCUrls, cfg.ACUrls = cURLs, cURLs
cfg.LPUrls, cfg.APUrls = pURLs, pURLs
cfg.InitialCluster = fmt.Sprintf("%s=%s", cfg.Name, pURLs[0].String())
cfg.Dir = filepath.Join(os.TempDir(), fmt.Sprint(time.Now().Nanosecond()))
srv, err := embed.StartEtcd(cfg)
if err != nil {
t.Fatal(err)
}
defer func() {
os.RemoveAll(cfg.Dir)
srv.Close()
}()
select {
case <-srv.Server.ReadyNotify():
case <-time.After(3 * time.Second):
t.Fatalf("failed to start embed.Etcd for creating snapshots")
}
ccfg := clientv3.Config{Endpoints: []string{cfg.ACUrls[0].String()}}
cli, err := clientv3.New(ccfg)
if err != nil {
t.Fatal(err)
}
defer cli.Close()
for i := range kvs {
ctx, cancel := context.WithTimeout(context.Background(), testutil.RequestTimeout)
_, err = cli.Put(ctx, kvs[i].k, kvs[i].v)
cancel()
if err != nil {
t.Fatal(err)
}
}
sp := NewV3(zap.NewExample())
dpPath := filepath.Join(os.TempDir(), fmt.Sprintf("snapshot%d.db", time.Now().Nanosecond()))
if err = sp.Save(context.Background(), ccfg, dpPath); err != nil {
t.Fatal(err)
}
os.RemoveAll(cfg.Dir)
srv.Close()
return dpPath
}
const testClusterTkn = "tkn"
func restoreCluster(t *testing.T, clusterN int, dbPath string) (
cURLs []url.URL,
pURLs []url.URL,
srvs []*embed.Etcd) {
urls := newEmbedURLs(clusterN * 2)
cURLs, pURLs = urls[:clusterN], urls[clusterN:]
ics := ""
for i := 0; i < clusterN; i++ {
ics += fmt.Sprintf(",%d=%s", i, pURLs[i].String())
}
ics = ics[1:]
cfgs := make([]*embed.Config, clusterN)
for i := 0; i < clusterN; i++ {
cfg := embed.NewConfig()
cfg.Name = fmt.Sprintf("%d", i)
cfg.InitialClusterToken = testClusterTkn
cfg.ClusterState = "existing"
cfg.LCUrls, cfg.ACUrls = []url.URL{cURLs[i]}, []url.URL{cURLs[i]}
cfg.LPUrls, cfg.APUrls = []url.URL{pURLs[i]}, []url.URL{pURLs[i]}
cfg.InitialCluster = ics
cfg.Dir = filepath.Join(os.TempDir(), fmt.Sprint(time.Now().Nanosecond()+i))
sp := NewV3(zap.NewExample())
if err := sp.Restore(RestoreConfig{
SnapshotPath: dbPath,
Name: cfg.Name,
OutputDataDir: cfg.Dir,
PeerURLs: []string{pURLs[i].String()},
InitialCluster: ics,
InitialClusterToken: cfg.InitialClusterToken,
}); err != nil {
t.Fatal(err)
}
cfgs[i] = cfg
}
sch := make(chan *embed.Etcd)
for i := range cfgs {
go func(idx int) {
srv, err := embed.StartEtcd(cfgs[idx])
if err != nil {
t.Fatal(err)
}
<-srv.Server.ReadyNotify()
sch <- srv
}(i)
}
srvs = make([]*embed.Etcd, clusterN)
for i := 0; i < clusterN; i++ {
select {
case srv := <-sch:
srvs[i] = srv
case <-time.After(5 * time.Second):
t.Fatalf("#%d: failed to start embed.Etcd", i)
}
}
return cURLs, pURLs, srvs
}
// TODO: TLS
func newEmbedURLs(n int) (urls []url.URL) {
urls = make([]url.URL, n)
for i := 0; i < n; i++ {
rand.Seed(int64(time.Now().Nanosecond()))
u, _ := url.Parse(fmt.Sprintf("unix://localhost:%d", rand.Intn(45000)))
urls[i] = *u
}
return urls
}