示例#1
0
func waitReadyExpectProc(exproc *expect.ExpectProcess, isProxy bool) error {
	readyStrs := []string{"enabled capabilities for version", "published"}
	if isProxy {
		readyStrs = []string{"httpproxy: endpoints found"}
	}
	c := 0
	matchSet := func(l string) bool {
		for _, s := range readyStrs {
			if strings.Contains(l, s) {
				c++
				break
			}
		}
		return c == len(readyStrs)
	}
	_, err := exproc.ExpectFunc(matchSet)
	return err
}
示例#2
0
// TestIssue6361 ensures new member that starts with snapshot correctly
// syncs up with other members and serve correct data.
func TestIssue6361(t *testing.T) {
	defer testutil.AfterTest(t)
	mustEtcdctl(t)
	os.Setenv("ETCDCTL_API", "3")
	defer os.Unsetenv("ETCDCTL_API")

	epc, err := newEtcdProcessCluster(&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 := 7 * time.Second
	prefixArgs := []string{ctlBinPath, "--endpoints", strings.Join(epc.grpcEndpoints(), ","), "--dial-timeout", dialTimeout.String()}

	// write some keys
	kvs := []kv{{"foo1", "val1"}, {"foo2", "val2"}, {"foo3", "val3"}}
	for i := range kvs {
		if err = spawnWithExpect(append(prefixArgs, "put", kvs[i].key, kvs[i].val), "OK"); err != nil {
			t.Fatal(err)
		}
	}

	fpath := filepath.Join(os.TempDir(), "test.snapshot")
	defer os.RemoveAll(fpath)

	// etcdctl save snapshot
	if err = spawnWithExpect(append(prefixArgs, "snapshot", "save", fpath), fmt.Sprintf("Snapshot saved at %s", fpath)); err != nil {
		t.Fatal(err)
	}

	if err = epc.processes()[0].Stop(); err != nil {
		t.Fatal(err)
	}

	newDataDir := filepath.Join(os.TempDir(), "test.data")
	defer os.RemoveAll(newDataDir)

	// etcdctl restore the snapshot
	err = spawnWithExpect([]string{ctlBinPath, "snapshot", "restore", fpath, "--name", epc.procs[0].cfg.name, "--initial-cluster", epc.procs[0].cfg.initialCluster, "--initial-cluster-token", epc.procs[0].cfg.initialToken, "--initial-advertise-peer-urls", epc.procs[0].cfg.purl.String(), "--data-dir", newDataDir}, "membership: added member")
	if err != nil {
		t.Fatal(err)
	}

	// start the etcd member using the restored snapshot
	epc.procs[0].cfg.dataDirPath = newDataDir
	for i := range epc.procs[0].cfg.args {
		if epc.procs[0].cfg.args[i] == "--data-dir" {
			epc.procs[0].cfg.args[i+1] = newDataDir
		}
	}
	if err = epc.processes()[0].Restart(); err != nil {
		t.Fatal(err)
	}

	// ensure the restored member has the correct data
	for i := range kvs {
		if err = spawnWithExpect(append(prefixArgs, "get", kvs[i].key), kvs[i].val); err != nil {
			t.Fatal(err)
		}
	}

	// add a new member into the cluster
	clientURL := fmt.Sprintf("http://localhost:%d", etcdProcessBasePort+30)
	peerURL := fmt.Sprintf("http://localhost:%d", etcdProcessBasePort+31)
	err = spawnWithExpect(append(prefixArgs, "member", "add", "newmember", fmt.Sprintf("--peer-urls=%s", peerURL)), " added to cluster ")
	if err != nil {
		t.Fatal(err)
	}

	var newDataDir2 string
	newDataDir2, err = ioutil.TempDir("", "newdata2")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(newDataDir2)

	name2 := "infra2"
	initialCluster2 := epc.procs[0].cfg.initialCluster + fmt.Sprintf(",%s=%s", name2, peerURL)

	// start the new member
	var nepc *expect.ExpectProcess
	nepc, err = spawnCmd([]string{epc.procs[0].cfg.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})
	if err != nil {
		t.Fatal(err)
	}
	if _, err = nepc.Expect("enabled capabilities for version"); err != nil {
		t.Fatal(err)
	}

	prefixArgs = []string{ctlBinPath, "--endpoints", clientURL, "--dial-timeout", dialTimeout.String()}

	// ensure added member has data from incoming snapshot
	for i := range kvs {
		if err = spawnWithExpect(append(prefixArgs, "get", kvs[i].key), kvs[i].val); err != nil {
			t.Fatal(err)
		}
	}

	if err = nepc.Stop(); err != nil {
		t.Fatal(err)
	}
}