mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
309 lines
9.0 KiB
Go
309 lines
9.0 KiB
Go
// Copyright 2016 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 e2e
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"go.etcd.io/etcd/etcdutl/v3/snapshot"
|
|
"go.etcd.io/etcd/pkg/v3/expect"
|
|
"go.etcd.io/etcd/tests/v3/framework/e2e"
|
|
)
|
|
|
|
func TestCtlV3Snapshot(t *testing.T) { testCtl(t, snapshotTest) }
|
|
|
|
func snapshotTest(cx ctlCtx) {
|
|
maintenanceInitKeys(cx)
|
|
|
|
leaseID, err := ctlV3LeaseGrant(cx, 100)
|
|
if err != nil {
|
|
cx.t.Fatalf("snapshot: ctlV3LeaseGrant error (%v)", err)
|
|
}
|
|
if err = ctlV3Put(cx, "withlease", "withlease", leaseID); err != nil {
|
|
cx.t.Fatalf("snapshot: ctlV3Put error (%v)", err)
|
|
}
|
|
|
|
fpath := filepath.Join(cx.t.TempDir(), "snapshot")
|
|
defer os.RemoveAll(fpath)
|
|
|
|
if err = ctlV3SnapshotSave(cx, fpath); err != nil {
|
|
cx.t.Fatalf("snapshotTest ctlV3SnapshotSave error (%v)", err)
|
|
}
|
|
|
|
st, err := getSnapshotStatus(cx, fpath)
|
|
if err != nil {
|
|
cx.t.Fatalf("snapshotTest getSnapshotStatus error (%v)", err)
|
|
}
|
|
if st.Revision != 5 {
|
|
cx.t.Fatalf("expected 4, got %d", st.Revision)
|
|
}
|
|
if st.TotalKey < 4 {
|
|
cx.t.Fatalf("expected at least 4, got %d", st.TotalKey)
|
|
}
|
|
}
|
|
|
|
func TestCtlV3SnapshotCorrupt(t *testing.T) { testCtl(t, snapshotCorruptTest) }
|
|
|
|
func snapshotCorruptTest(cx ctlCtx) {
|
|
fpath := filepath.Join(cx.t.TempDir(), "snapshot")
|
|
defer os.RemoveAll(fpath)
|
|
|
|
if err := ctlV3SnapshotSave(cx, fpath); err != nil {
|
|
cx.t.Fatalf("snapshotTest ctlV3SnapshotSave error (%v)", err)
|
|
}
|
|
|
|
// corrupt file
|
|
f, oerr := os.OpenFile(fpath, os.O_WRONLY, 0)
|
|
if oerr != nil {
|
|
cx.t.Fatal(oerr)
|
|
}
|
|
if _, err := f.Write(make([]byte, 512)); err != nil {
|
|
cx.t.Fatal(err)
|
|
}
|
|
f.Close()
|
|
|
|
datadir := cx.t.TempDir()
|
|
|
|
serr := e2e.SpawnWithExpectWithEnv(
|
|
append(cx.PrefixArgsUtl(), "snapshot", "restore",
|
|
"--data-dir", datadir,
|
|
fpath),
|
|
cx.envMap,
|
|
"expected sha256")
|
|
|
|
if serr != nil {
|
|
cx.t.Fatal(serr)
|
|
}
|
|
}
|
|
|
|
// This test ensures that the snapshot status does not modify the snapshot file
|
|
func TestCtlV3SnapshotStatusBeforeRestore(t *testing.T) {
|
|
testCtl(t, snapshotStatusBeforeRestoreTest)
|
|
}
|
|
|
|
func snapshotStatusBeforeRestoreTest(cx ctlCtx) {
|
|
fpath := filepath.Join(cx.t.TempDir(), "snapshot")
|
|
defer os.RemoveAll(fpath)
|
|
|
|
if err := ctlV3SnapshotSave(cx, fpath); err != nil {
|
|
cx.t.Fatalf("snapshotTest ctlV3SnapshotSave error (%v)", err)
|
|
}
|
|
|
|
// snapshot status on the fresh snapshot file
|
|
_, err := getSnapshotStatus(cx, fpath)
|
|
if err != nil {
|
|
cx.t.Fatalf("snapshotTest getSnapshotStatus error (%v)", err)
|
|
}
|
|
|
|
dataDir := cx.t.TempDir()
|
|
defer os.RemoveAll(dataDir)
|
|
serr := e2e.SpawnWithExpectWithEnv(
|
|
append(cx.PrefixArgsUtl(), "snapshot", "restore",
|
|
"--data-dir", dataDir,
|
|
fpath),
|
|
cx.envMap,
|
|
"added member")
|
|
if serr != nil {
|
|
cx.t.Fatal(serr)
|
|
}
|
|
}
|
|
|
|
func ctlV3SnapshotSave(cx ctlCtx, fpath string) error {
|
|
cmdArgs := append(cx.PrefixArgs(), "snapshot", "save", fpath)
|
|
return e2e.SpawnWithExpectWithEnv(cmdArgs, cx.envMap, fmt.Sprintf("Snapshot saved at %s", fpath))
|
|
}
|
|
|
|
func getSnapshotStatus(cx ctlCtx, fpath string) (snapshot.Status, error) {
|
|
cmdArgs := append(cx.PrefixArgsUtl(), "--write-out", "json", "snapshot", "status", fpath)
|
|
|
|
proc, err := e2e.SpawnCmd(cmdArgs, nil)
|
|
if err != nil {
|
|
return snapshot.Status{}, err
|
|
}
|
|
var txt string
|
|
txt, err = proc.Expect("totalKey")
|
|
if err != nil {
|
|
return snapshot.Status{}, err
|
|
}
|
|
if err = proc.Close(); err != nil {
|
|
return snapshot.Status{}, err
|
|
}
|
|
|
|
resp := snapshot.Status{}
|
|
dec := json.NewDecoder(strings.NewReader(txt))
|
|
if err := dec.Decode(&resp); err == io.EOF {
|
|
return snapshot.Status{}, err
|
|
}
|
|
return resp, nil
|
|
}
|
|
|
|
func TestIssue6361(t *testing.T) { testIssue6361(t) }
|
|
|
|
// TestIssue6361 ensures new member that starts with snapshot correctly
|
|
// syncs up with other members and serve correct data.
|
|
func testIssue6361(t *testing.T) {
|
|
{
|
|
// This tests is pretty flaky on semaphoreci as of 2021-01-10.
|
|
// TODO: Remove when the flakiness source is identified.
|
|
oldenv := os.Getenv("EXPECT_DEBUG")
|
|
defer os.Setenv("EXPECT_DEBUG", oldenv)
|
|
os.Setenv("EXPECT_DEBUG", "1")
|
|
}
|
|
|
|
e2e.BeforeTest(t)
|
|
os.Setenv("ETCDCTL_API", "3")
|
|
defer os.Unsetenv("ETCDCTL_API")
|
|
|
|
epc, err := e2e.NewEtcdProcessCluster(t, &e2e.EtcdProcessClusterConfig{
|
|
ClusterSize: 1,
|
|
InitialToken: "new",
|
|
KeepDataDir: true,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("could not start etcd process cluster (%v)", err)
|
|
}
|
|
defer func() {
|
|
if errC := epc.Close(); errC != nil {
|
|
t.Fatalf("error closing etcd processes (%v)", errC)
|
|
}
|
|
}()
|
|
|
|
dialTimeout := 10 * time.Second
|
|
prefixArgs := []string{e2e.CtlBinPath, "--endpoints", strings.Join(epc.EndpointsV3(), ","), "--dial-timeout", dialTimeout.String()}
|
|
|
|
t.Log("Writing some keys...")
|
|
kvs := []kv{{"foo1", "val1"}, {"foo2", "val2"}, {"foo3", "val3"}}
|
|
for i := range kvs {
|
|
if err = e2e.SpawnWithExpect(append(prefixArgs, "put", kvs[i].key, kvs[i].val), "OK"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
fpath := filepath.Join(t.TempDir(), "test.snapshot")
|
|
|
|
t.Log("etcdctl saving snapshot...")
|
|
if err = e2e.SpawnWithExpects(append(prefixArgs, "snapshot", "save", fpath),
|
|
nil,
|
|
fmt.Sprintf("Snapshot saved at %s", fpath),
|
|
); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Log("Stopping the original server...")
|
|
if err = epc.Procs[0].Stop(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
newDataDir := filepath.Join(t.TempDir(), "test.data")
|
|
t.Log("etcdctl restoring the snapshot...")
|
|
err = e2e.SpawnWithExpect([]string{e2e.UtlBinPath, "snapshot", "restore", fpath, "--name", epc.Procs[0].Config().Name, "--initial-cluster", epc.Procs[0].Config().InitialCluster, "--initial-cluster-token", epc.Procs[0].Config().InitialToken, "--initial-advertise-peer-urls", epc.Procs[0].Config().Purl.String(), "--data-dir", newDataDir}, "added member")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Log("(Re)starting the etcd member using the restored snapshot...")
|
|
epc.Procs[0].Config().DataDirPath = newDataDir
|
|
for i := range epc.Procs[0].Config().Args {
|
|
if epc.Procs[0].Config().Args[i] == "--data-dir" {
|
|
epc.Procs[0].Config().Args[i+1] = newDataDir
|
|
}
|
|
}
|
|
if err = epc.Procs[0].Restart(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Log("Ensuring the restored member has the correct data...")
|
|
for i := range kvs {
|
|
if err = e2e.SpawnWithExpect(append(prefixArgs, "get", kvs[i].key), kvs[i].val); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
t.Log("Adding new member into the cluster")
|
|
clientURL := fmt.Sprintf("http://localhost:%d", e2e.EtcdProcessBasePort+30)
|
|
peerURL := fmt.Sprintf("http://localhost:%d", e2e.EtcdProcessBasePort+31)
|
|
err = e2e.SpawnWithExpect(append(prefixArgs, "member", "add", "newmember", fmt.Sprintf("--peer-urls=%s", peerURL)), " added to cluster ")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
newDataDir2 := t.TempDir()
|
|
defer os.RemoveAll(newDataDir2)
|
|
|
|
name2 := "infra2"
|
|
initialCluster2 := epc.Procs[0].Config().InitialCluster + fmt.Sprintf(",%s=%s", name2, peerURL)
|
|
|
|
t.Log("Starting the new member")
|
|
// start the new member
|
|
var nepc *expect.ExpectProcess
|
|
nepc, err = e2e.SpawnCmd([]string{epc.Procs[0].Config().ExecPath, "--name", name2,
|
|
"--listen-client-urls", clientURL, "--advertise-client-urls", clientURL,
|
|
"--listen-peer-urls", peerURL, "--initial-advertise-peer-urls", peerURL,
|
|
"--initial-cluster", initialCluster2, "--initial-cluster-state", "existing", "--data-dir", newDataDir2}, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err = nepc.Expect("ready to serve client requests"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
prefixArgs = []string{e2e.CtlBinPath, "--endpoints", clientURL, "--dial-timeout", dialTimeout.String()}
|
|
|
|
t.Log("Ensuring added member has data from incoming snapshot...")
|
|
for i := range kvs {
|
|
if err = e2e.SpawnWithExpect(append(prefixArgs, "get", kvs[i].key), kvs[i].val); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
t.Log("Stopping the second member")
|
|
if err = nepc.Stop(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Log("Test logic done")
|
|
}
|
|
|
|
// For storageVersion to be stored, all fields expected 3.6 fields need to be set. This happens after first WAL snapshot.
|
|
// In this test we lower SnapshotCount to 1 to ensure WAL snapshot is triggered.
|
|
func TestCtlV3SnapshotVersion(t *testing.T) {
|
|
testCtl(t, snapshotVersionTest, withCfg(e2e.EtcdProcessClusterConfig{SnapshotCount: 1}))
|
|
}
|
|
|
|
func snapshotVersionTest(cx ctlCtx) {
|
|
maintenanceInitKeys(cx)
|
|
|
|
fpath := filepath.Join(cx.t.TempDir(), "snapshot")
|
|
defer os.RemoveAll(fpath)
|
|
|
|
if err := ctlV3SnapshotSave(cx, fpath); err != nil {
|
|
cx.t.Fatalf("snapshotVersionTest ctlV3SnapshotSave error (%v)", err)
|
|
}
|
|
|
|
st, err := getSnapshotStatus(cx, fpath)
|
|
if err != nil {
|
|
cx.t.Fatalf("snapshotVersionTest getSnapshotStatus error (%v)", err)
|
|
}
|
|
if st.Version != "3.6.0" {
|
|
cx.t.Fatalf("expected %q, got %q", "3.6.0", st.Version)
|
|
}
|
|
}
|