// Ensure that we can start a v2 cluster from the logs of a v1 cluster.
func TestV1ClusterMigration(t *testing.T) {
path, _ := ioutil.TempDir("", "etcd-")
os.RemoveAll(path)
defer os.RemoveAll(path)
nodes := []string{"node0", "node2"}
for i, node := range nodes {
nodepath := filepath.Join(path, node)
fixturepath, _ := filepath.Abs(filepath.Join("../fixtures/v1.cluster/", node))
fmt.Println("FIXPATH =", fixturepath)
fmt.Println("NODEPATH =", nodepath)
os.MkdirAll(filepath.Dir(nodepath), 0777)
// Copy over fixture files.
c := exec.Command("cp", "-rf", fixturepath, nodepath)
if out, err := c.CombinedOutput(); err != nil {
fmt.Println(">>>>>>\n", string(out), "<<<<<<")
panic("Fixture initialization error:" + err.Error())
}
procAttr := new(os.ProcAttr)
procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
args := []string{"etcd", fmt.Sprintf("-data-dir=%s", nodepath)}
args = append(args, "-addr", fmt.Sprintf("127.0.0.1:%d", 4001+i))
args = append(args, "-peer-addr", fmt.Sprintf("127.0.0.1:%d", 7001+i))
args = append(args, "-name", node)
process, err := os.StartProcess(EtcdBinPath, args, procAttr)
if err != nil {
t.Fatal("start process failed:" + err.Error())
return
}
defer process.Kill()
time.Sleep(time.Second)
}
// Ensure deleted message is removed.
resp, err := tests.Get("http://localhost:4001/v2/keys/message")
body := tests.ReadBody(resp)
assert.Nil(t, err, "")
assert.Equal(t, resp.StatusCode, http.StatusNotFound)
assert.Equal(t, string(body), `{"errorCode":100,"message":"Key not found","cause":"/message","index":11}`+"\n")
// Ensure TTL'd message is removed.
resp, err = tests.Get("http://localhost:4001/v2/keys/foo")
body = tests.ReadBody(resp)
assert.Nil(t, err, "")
assert.Equal(t, resp.StatusCode, 200, "")
assert.Equal(t, string(body), `{"action":"get","node":{"key":"/foo","value":"one","modifiedIndex":9,"createdIndex":9}}`)
}
// Ensures that a value can be retrieve for a given key.
//
// $ curl localhost:4001/v2/keys/foo/bar -> fail
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl localhost:4001/v2/keys/foo/bar
//
func TestV2GetKey(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.Get(fullURL)
assert.Equal(t, resp.StatusCode, http.StatusNotFound)
resp, _ = tests.PutForm(fullURL, v)
tests.ReadBody(resp)
resp, _ = tests.Get(fullURL)
assert.Equal(t, resp.StatusCode, http.StatusOK)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["action"], "get", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["key"], "/foo/bar", "")
assert.Equal(t, node["value"], "XXX", "")
assert.Equal(t, node["modifiedIndex"], 2, "")
})
}
// Ensures that a watcher can wait for a value to be set after a given index.
//
// $ curl localhost:4001/v2/keys/foo/bar?wait=true&waitIndex=4
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY
//
func TestV2WatchKeyWithIndex(t *testing.T) {
tests.RunServer(func(s *server.Server) {
var body map[string]interface{}
c := make(chan bool)
go func() {
resp, _ := tests.Get(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar?wait=true&waitIndex=3"))
body = tests.ReadBodyJSON(resp)
c <- true
}()
// Make sure response didn't fire early.
time.Sleep(1 * time.Millisecond)
assert.Nil(t, body, "")
// Set a value (before given index).
v := url.Values{}
v.Set("value", "XXX")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
tests.ReadBody(resp)
// Make sure response didn't fire early.
time.Sleep(1 * time.Millisecond)
assert.Nil(t, body, "")
// Set a value (before given index).
v.Set("value", "YYY")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
tests.ReadBody(resp)
// A response should follow from the GET above.
time.Sleep(1 * time.Millisecond)
select {
case <-c:
default:
t.Fatal("cannot get watch result")
}
assert.NotNil(t, body, "")
assert.Equal(t, body["action"], "set", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["key"], "/foo/bar", "")
assert.Equal(t, node["value"], "YYY", "")
assert.Equal(t, node["modifiedIndex"], 3, "")
})
}
// Ensures that a watcher can wait for a value to be set after a given index.
//
// $ curl localhost:4001/v2/keys/keyindir/bar?wait=true
// $ curl -X PUT localhost:4001/v2/keys/keyindir -d dir=true -d ttl=1
// $ curl -X PUT localhost:4001/v2/keys/keyindir/bar -d value=YYY
//
func TestV2WatchKeyInDir(t *testing.T) {
tests.RunServer(func(s *server.Server) {
var body map[string]interface{}
c := make(chan bool)
// Set a value (before given index).
v := url.Values{}
v.Set("dir", "true")
v.Set("ttl", "1")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/keyindir"), v)
tests.ReadBody(resp)
// Set a value (before given index).
v = url.Values{}
v.Set("value", "XXX")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/keyindir/bar"), v)
tests.ReadBody(resp)
go func() {
resp, _ := tests.Get(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/keyindir/bar?wait=true"))
body = tests.ReadBodyJSON(resp)
c <- true
}()
// wait for expiration, we do have a up to 500 millisecond delay
time.Sleep(2000 * time.Millisecond)
select {
case <-c:
default:
t.Fatal("cannot get watch result")
}
assert.NotNil(t, body, "")
assert.Equal(t, body["action"], "expire", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["key"], "/keyindir", "")
})
}
// Ensure that we can start a v2 node from the log of a v1 node.
func TestV1SoloMigration(t *testing.T) {
path, _ := ioutil.TempDir("", "etcd-")
os.MkdirAll(path, 0777)
defer os.RemoveAll(path)
nodepath := filepath.Join(path, "node0")
fixturepath, _ := filepath.Abs("../fixtures/v1.solo/node0")
fmt.Println("DATA_DIR =", nodepath)
// Copy over fixture files.
c := exec.Command("cp", "-rf", fixturepath, nodepath)
if out, err := c.CombinedOutput(); err != nil {
fmt.Println(">>>>>>\n", string(out), "<<<<<<")
panic("Fixture initialization error:" + err.Error())
}
procAttr := new(os.ProcAttr)
procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
args := []string{"etcd", fmt.Sprintf("-data-dir=%s", nodepath)}
args = append(args, "-addr", "127.0.0.1:4001")
args = append(args, "-peer-addr", "127.0.0.1:7001")
args = append(args, "-name", "v1")
process, err := os.StartProcess(EtcdBinPath, args, procAttr)
if err != nil {
t.Fatal("start process failed:" + err.Error())
return
}
defer process.Kill()
time.Sleep(time.Second)
// Ensure deleted message is removed.
resp, err := tests.Get("http://localhost:4001/v2/keys/message")
tests.ReadBody(resp)
assert.Nil(t, err, "")
assert.Equal(t, resp.StatusCode, 200, "")
}
// Ensures that a directory of values can be recursively retrieved for a given key.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/x -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/y/z -d value=YYY
// $ curl localhost:4001/v2/keys/foo -d recursive=true
//
func TestV2GetKeyRecursively(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
v.Set("ttl", "10")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/x"), v)
tests.ReadBody(resp)
v.Set("value", "YYY")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/y/z"), v)
tests.ReadBody(resp)
resp, _ = tests.Get(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo?recursive=true"))
assert.Equal(t, resp.StatusCode, http.StatusOK)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["action"], "get", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["key"], "/foo", "")
assert.Equal(t, node["dir"], true, "")
assert.Equal(t, node["modifiedIndex"], 2, "")
assert.Equal(t, len(node["nodes"].([]interface{})), 2, "")
node0 := node["nodes"].([]interface{})[0].(map[string]interface{})
assert.Equal(t, node0["key"], "/foo/x", "")
assert.Equal(t, node0["value"], "XXX", "")
assert.Equal(t, node0["ttl"], 10, "")
node1 := node["nodes"].([]interface{})[1].(map[string]interface{})
assert.Equal(t, node1["key"], "/foo/y", "")
assert.Equal(t, node1["dir"], true, "")
node2 := node1["nodes"].([]interface{})[0].(map[string]interface{})
assert.Equal(t, node2["key"], "/foo/y/z", "")
assert.Equal(t, node2["value"], "YYY", "")
})
}
func testGetLockValue(s *server.Server, key string) (string, int, error) {
resp, err := tests.Get(fmt.Sprintf("%s/mod/v2/lock/%s", s.URL(), key))
ret := tests.ReadBody(resp)
return string(ret), resp.StatusCode, err
}