1// Copyright 2016 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
15package e2e
16
17import (
18	"fmt"
19	"os"
20	"testing"
21	"time"
22
23	"golang.org/x/net/context"
24
25	"github.com/coreos/etcd/clientv3"
26	"github.com/coreos/etcd/pkg/testutil"
27)
28
29func TestCtlV3Migrate(t *testing.T) {
30	defer testutil.AfterTest(t)
31
32	epc := setupEtcdctlTest(t, &configNoTLS, false)
33	defer func() {
34		if errC := epc.Close(); errC != nil {
35			t.Fatalf("error closing etcd processes (%v)", errC)
36		}
37	}()
38
39	keys := make([]string, 3)
40	vals := make([]string, 3)
41	for i := range keys {
42		keys[i] = fmt.Sprintf("foo_%d", i)
43		vals[i] = fmt.Sprintf("bar_%d", i)
44	}
45	for i := range keys {
46		if err := etcdctlSet(epc, keys[i], vals[i]); err != nil {
47			t.Fatal(err)
48		}
49	}
50
51	dataDir := epc.procs[0].cfg.dataDirPath
52	if err := epc.StopAll(); err != nil {
53		t.Fatalf("error closing etcd processes (%v)", err)
54	}
55
56	os.Setenv("ETCDCTL_API", "3")
57	defer os.Unsetenv("ETCDCTL_API")
58	cx := ctlCtx{
59		t:           t,
60		cfg:         configNoTLS,
61		dialTimeout: 7 * time.Second,
62		epc:         epc,
63	}
64	if err := ctlV3Migrate(cx, dataDir, ""); err != nil {
65		t.Fatal(err)
66	}
67
68	epc.procs[0].cfg.keepDataDir = true
69	if err := epc.RestartAll(); err != nil {
70		t.Fatal(err)
71	}
72
73	// to ensure revision increment is continuous from migrated v2 data
74	if err := ctlV3Put(cx, "test", "value", ""); err != nil {
75		t.Fatal(err)
76	}
77	cli, err := clientv3.New(clientv3.Config{
78		Endpoints:   epc.grpcEndpoints(),
79		DialTimeout: 3 * time.Second,
80	})
81	if err != nil {
82		t.Fatal(err)
83	}
84	defer cli.Close()
85	resp, err := cli.Get(context.TODO(), "test")
86	if err != nil {
87		t.Fatal(err)
88	}
89	if len(resp.Kvs) != 1 {
90		t.Fatalf("len(resp.Kvs) expected 1, got %+v", resp.Kvs)
91	}
92	if resp.Kvs[0].CreateRevision != 7 {
93		t.Fatalf("resp.Kvs[0].CreateRevision expected 7, got %d", resp.Kvs[0].CreateRevision)
94	}
95}
96
97func ctlV3Migrate(cx ctlCtx, dataDir, walDir string) error {
98	cmdArgs := append(cx.PrefixArgs(), "migrate", "--data-dir", dataDir, "--wal-dir", walDir)
99	return spawnWithExpects(cmdArgs, "finished transforming keys")
100}
101