Golang terraform.NewState函數代碼示例

func TestRefreshState_UpdateLocal(t *testing.T) {
	defer testFixCwd(testDir(t))

	rs := terraform.NewState()
	rs.Serial = 100
	remote, srv := testRemote(t, rs)
	defer srv.Close()

	local := terraform.NewState()
	local.Serial = 99
	testWriteLocal(t, local)

	sc, err := RefreshState(remote)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	if sc != StateChangeUpdateLocal {
		t.Fatalf("bad: %s", sc)
	}

	// Should update
	local2 := testReadLocal(t)
	if local2.Serial != 100 {
		t.Fatalf("Bad: %#v", local2)
	}
}

func TestPull_local(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	s := terraform.NewState()
	s.Serial = 10
	conf, srv := testRemoteState(t, s, 200)

	s = terraform.NewState()
	s.Serial = 5
	s.Remote = conf
	defer srv.Close()

	// Store the local state
	buf := bytes.NewBuffer(nil)
	terraform.WriteState(s, buf)
	remote.EnsureDirectory()
	remote.Persist(buf)

	ui := new(cli.MockUi)
	c := &PullCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},
	}
	args := []string{}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
	}
}

// Test disabling remote management
func TestRemoteConfig_disable(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	// Create remote state file, this should be pulled
	s := terraform.NewState()
	s.Serial = 10
	conf, srv := testRemoteState(t, s, 200)
	defer srv.Close()

	// Persist local remote state
	s = terraform.NewState()
	s.Serial = 5
	s.Remote = conf

	// Write the state
	statePath := filepath.Join(tmp, DefaultDataDir, DefaultStateFilename)
	state := &state.LocalState{Path: statePath}
	if err := state.WriteState(s); err != nil {
		t.Fatalf("err: %s", err)
	}
	if err := state.PersistState(); err != nil {
		t.Fatalf("err: %s", err)
	}

	ui := new(cli.MockUi)
	c := &RemoteConfigCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},
	}
	args := []string{"-disable"}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
	}

	// Local state file should be removed and the local cache should exist
	testRemoteLocal(t, true)
	testRemoteLocalCache(t, false)

	// Check that the state file was updated
	raw, _ := ioutil.ReadFile(DefaultStateFilename)
	newState, err := terraform.ReadState(bytes.NewReader(raw))
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Ensure we updated
	if newState.Remote != nil {
		t.Fatalf("remote configuration not removed")
	}
}

// initBlank state is used to initialize a blank state that is
// remote enabled
func (c *RemoteCommand) initBlankState() int {
	// Validate the remote configuration
	if err := c.validateRemoteConfig(); err != nil {
		return 1
	}

	// Make the hidden directory
	if err := remote.EnsureDirectory(); err != nil {
		c.Ui.Error(fmt.Sprintf("%s", err))
		return 1
	}

	// Make a blank state, attach the remote configuration
	blank := terraform.NewState()
	blank.Remote = &c.remoteConf

	// Persist the state
	if err := remote.PersistState(blank); err != nil {
		c.Ui.Error(fmt.Sprintf("Failed to initialize state file: %v", err))
		return 1
	}

	// Success!
	c.Ui.Output("Initialized blank state with remote state enabled!")
	return 0
}

func TestInit_remoteState(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	s := terraform.NewState()
	conf, srv := testRemoteState(t, s, 200)
	defer srv.Close()

	ui := new(cli.MockUi)
	c := &InitCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},
	}

	args := []string{
		"-backend", "http",
		"-backend-config", "address=" + conf.Config["address"],
		testFixturePath("init"),
		tmp,
	}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
	}

	if _, err := os.Stat(filepath.Join(tmp, "hello.tf")); err != nil {
		t.Fatalf("err: %s", err)
	}

	if _, err := os.Stat(filepath.Join(tmp, DefaultDataDir, DefaultStateFilename)); err != nil {
		t.Fatalf("missing state: %s", err)
	}
}

func TestPush_plan(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	// Create remote state file, this should be pulled
	conf, srv := testRemoteState(t, testState(), 200)
	defer srv.Close()

	// Persist local remote state
	s := terraform.NewState()
	s.Serial = 5
	s.Remote = conf
	testStateFileRemote(t, s)

	// Create a plan
	planPath := testPlanFile(t, &terraform.Plan{
		Module: testModule(t, "apply"),
	})

	ui := new(cli.MockUi)
	c := &PushCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},
	}

	args := []string{planPath}
	if code := c.Run(args); code != 1 {
		t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
	}
}

// initBlank state is used to initialize a blank state that is
// remote enabled
func (c *RemoteConfigCommand) initBlankState() int {
	// Validate the remote configuration
	if err := c.validateRemoteConfig(); err != nil {
		return 1
	}

	// Make a blank state, attach the remote configuration
	blank := terraform.NewState()
	blank.Remote = &c.remoteConf

	// Persist the state
	remote := &state.LocalState{Path: c.stateResult.RemotePath}
	if err := remote.WriteState(blank); err != nil {
		c.Ui.Error(fmt.Sprintf("Failed to initialize state file: %v", err))
		return 1
	}
	if err := remote.PersistState(); err != nil {
		c.Ui.Error(fmt.Sprintf("Failed to initialize state file: %v", err))
		return 1
	}

	// Success!
	c.Ui.Output("Initialized blank state with remote state enabled!")
	return 0
}

func TestStateShow_emptyStateWithModule(t *testing.T) {
	// empty state with empty module
	state := terraform.NewState()

	mod := &terraform.ModuleState{
		Path: []string{"root", "mod"},
	}
	state.Modules = append(state.Modules, mod)

	statePath := testStateFile(t, state)

	p := testProvider()
	ui := new(cli.MockUi)
	c := &StateShowCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(p),
			Ui:          ui,
		},
	}

	args := []string{
		"-state", statePath,
	}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
	}
}

// blankState is used to return a serialized form of a blank state
// with only the remote info.
func blankState(conf *terraform.RemoteState) ([]byte, error) {
	blank := terraform.NewState()
	blank.Remote = conf
	buf := bytes.NewBuffer(nil)
	err := terraform.WriteState(blank, buf)
	return buf.Bytes(), err
}

func TestMeta_persistLocal(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	m := new(Meta)
	s := terraform.NewState()
	if err := m.persistLocalState(s); err != nil {
		t.Fatalf("err: %v", err)
	}

	exists, err := remote.ExistsFile(m.stateOutPath)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if !exists {
		t.Fatalf("state should exist")
	}

	// Write again, shoudl backup
	if err := m.persistLocalState(s); err != nil {
		t.Fatalf("err: %v", err)
	}

	exists, err = remote.ExistsFile(m.backupPath)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if !exists {
		t.Fatalf("backup should exist")
	}
}

func TestMeta_loadState_remote(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	err := remote.EnsureDirectory()
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	s := terraform.NewState()
	s.Serial = 1000
	conf, srv := testRemoteState(t, s, 200)
	s.Remote = conf
	defer srv.Close()

	s.Serial = 500
	if err := remote.PersistState(s); err != nil {
		t.Fatalf("err: %v", err)
	}

	m := new(Meta)
	s1, err := m.loadState()
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if s1.Serial < 1000 {
		t.Fatalf("Bad: %#v", s1)
	}

	if !m.useRemoteState {
		t.Fatalf("should enable remote")
	}
}

// Test enabling remote state
func TestRemoteConfig_enableRemote(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	// Create a non-remote enabled state
	s := terraform.NewState()
	s.Serial = 5

	// Add the state at the default path
	fh, err := os.Create(DefaultStateFilename)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	err = terraform.WriteState(s, fh)
	fh.Close()
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	ui := new(cli.MockUi)
	c := &RemoteConfigCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},
	}

	args := []string{
		"-backend=http",
		"-backend-config", "address=http://example.com",
		"-backend-config", "access_token=test",
		"-pull=false",
	}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
	}

	remotePath := filepath.Join(DefaultDataDir, DefaultStateFilename)
	ls := &state.LocalState{Path: remotePath}
	if err := ls.RefreshState(); err != nil {
		t.Fatalf("err: %s", err)
	}
	local := ls.State()

	if local.Remote.Type != "http" {
		t.Fatalf("Bad: %#v", local.Remote)
	}
	if local.Remote.Config["address"] != "http://example.com" {
		t.Fatalf("Bad: %#v", local.Remote)
	}
	if local.Remote.Config["access_token"] != "test" {
		t.Fatalf("Bad: %#v", local.Remote)
	}

	// Backup file should exist, state file should not
	testRemoteLocal(t, false)
	testRemoteLocalBackup(t, true)
}

// We want a variable from atlas to fill a missing variable locally
func TestPush_inputPartial(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	// Create remote state file, this should be pulled
	conf, srv := testRemoteState(t, testState(), 200)
	defer srv.Close()

	// Persist local remote state
	s := terraform.NewState()
	s.Serial = 5
	s.Remote = conf
	testStateFileRemote(t, s)

	// Path where the archive will be "uploaded" to
	archivePath := testTempFile(t)
	defer os.Remove(archivePath)

	client := &mockPushClient{
		File: archivePath,
		GetResult: map[string]atlas.TFVar{
			"foo": atlas.TFVar{Key: "foo", Value: "bar"},
		},
	}
	ui := new(cli.MockUi)
	c := &PushCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},

		client: client,
	}

	// Disable test mode so input would be asked and setup the
	// input reader/writers.
	test = false
	defer func() { test = true }()
	defaultInputReader = bytes.NewBufferString("foo\n")
	defaultInputWriter = new(bytes.Buffer)

	args := []string{
		"-vcs=false",
		testFixturePath("push-input-partial"),
	}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
	}

	expectedTFVars := []atlas.TFVar{
		{Key: "bar", Value: "foo"},
		{Key: "foo", Value: "bar"},
	}
	if !reflect.DeepEqual(client.UpsertOptions.TFVars, expectedTFVars) {
		t.Logf("expected: %#v", expectedTFVars)
		t.Fatalf("got:      %#v", client.UpsertOptions.TFVars)
	}
}

func TestRefreshState_NewVersion(t *testing.T) {
	defer testFixCwd(testDir(t))

	rs := terraform.NewState()
	rs.Serial = 100
	rs.Version = terraform.StateVersion + 1
	remote, srv := testRemote(t, rs)
	defer srv.Close()

	local := terraform.NewState()
	local.Serial = 99
	testWriteLocal(t, local)

	_, err := RefreshState(remote)
	if err == nil {
		t.Fatalf("New version should fail!")
	}
}

func TestPush_good(t *testing.T) {
	tmp, cwd := testCwd(t)
	defer testFixCwd(t, tmp, cwd)

	// Create remote state file, this should be pulled
	conf, srv := testRemoteState(t, testState(), 200)
	defer srv.Close()

	// Persist local remote state
	s := terraform.NewState()
	s.Serial = 5
	s.Remote = conf
	testStateFileRemote(t, s)

	// Path where the archive will be "uploaded" to
	archivePath := testTempFile(t)
	defer os.Remove(archivePath)

	client := &mockPushClient{File: archivePath}
	ui := new(cli.MockUi)
	c := &PushCommand{
		Meta: Meta{
			ContextOpts: testCtxConfig(testProvider()),
			Ui:          ui,
		},

		client: client,
	}

	args := []string{
		"-vcs=false",
		testFixturePath("push"),
	}
	if code := c.Run(args); code != 0 {
		t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
	}

	actual := testArchiveStr(t, archivePath)
	expected := []string{
		".terraform/",
		".terraform/terraform.tfstate",
		"main.tf",
	}
	if !reflect.DeepEqual(actual, expected) {
		t.Fatalf("bad: %#v", actual)
	}

	variables := make(map[string]interface{})
	if !reflect.DeepEqual(client.UpsertOptions.Variables, variables) {
		t.Fatalf("bad: %#v", client.UpsertOptions)
	}

	if client.UpsertOptions.Name != "foo" {
		t.Fatalf("bad: %#v", client.UpsertOptions)
	}
}