// 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 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())
}
}
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 updating remote config
func TestRemote_updateRemote(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
// Persist local remote state
s := terraform.NewState()
s.Serial = 5
s.Remote = &terraform.RemoteState{
Type: "invalid",
}
if err := remote.EnsureDirectory(); err != nil {
t.Fatalf("err: %v", err)
}
if err := remote.PersistState(s); err != nil {
t.Fatalf("err: %v", err)
}
ui := new(cli.MockUi)
c := &RemoteCommand{
Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{
"-backend=http",
"-address",
"http://example.com",
"-access-token=test",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
local, _, err := remote.ReadLocalState()
if err != nil {
t.Fatalf("err: %v", err)
}
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)
}
}
func TestMeta_persistRemote(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()
conf, srv := testRemoteState(t, s, 200)
s.Remote = conf
defer srv.Close()
m := new(Meta)
if err := m.persistRemoteState(s); err != nil {
t.Fatalf("err: %v", err)
}
local, _, err := remote.ReadLocalState()
if err != nil {
t.Fatalf("err: %v", err)
}
if local == nil {
t.Fatalf("state should exist")
}
if err := m.persistRemoteState(s); err != nil {
t.Fatalf("err: %v", err)
}
backup := remote.LocalDirectory + "/" + remote.BackupHiddenStateFile
exists, err := remote.ExistsFile(backup)
if err != nil {
t.Fatalf("err: %v", err)
}
if !exists {
t.Fatalf("backup should exist")
}
}
// Test the case where both managed and non managed state present
func TestRemote_managedAndNonManaged(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
// Persist local remote state
s := terraform.NewState()
s.Serial = 5
if err := remote.EnsureDirectory(); err != nil {
t.Fatalf("err: %v", err)
}
if err := remote.PersistState(s); err != nil {
t.Fatalf("err: %v", err)
}
// Also put a file 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 := &RemoteCommand{
Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
func TestMeta_loadState_conflict(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
err := remote.EnsureDirectory()
if err != nil {
t.Fatalf("err: %v", err)
}
m := new(Meta)
s := terraform.NewState()
if err := remote.PersistState(s); err != nil {
t.Fatalf("err: %v", err)
}
if err := m.persistLocalState(s); err != nil {
t.Fatalf("err: %v", err)
}
_, err = m.loadState()
if err == nil {
t.Fatalf("should error with conflict")
}
}
// Test disabling remote management without pulling
func TestRemote_disable_noPull(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
if err := remote.EnsureDirectory(); err != nil {
t.Fatalf("err: %v", err)
}
if err := remote.PersistState(s); err != nil {
t.Fatalf("err: %v", err)
}
ui := new(cli.MockUi)
c := &RemoteCommand{
Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{"-disable", "-pull=false"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Local state file should be removed
haveLocal, err := remote.HaveLocalState()
if err != nil {
t.Fatalf("err: %v", err)
}
if haveLocal {
t.Fatalf("should be disabled")
}
// New state file should be installed
exists, err := remote.ExistsFile(DefaultStateFilename)
if err != nil {
t.Fatalf("err: %v", err)
}
if !exists {
t.Fatalf("failed to make state file")
}
// 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 DIDNT updated
// TODO: Should be 5, but WriteState currently increments
// this which is incorrect.
if newState.Serial != 7 {
t.Fatalf("state file updated: %#v", newState)
}
if newState.Remote != nil {
t.Fatalf("remote configuration not removed")
}
}
// enableRemoteState is used to enable remote state management
// and to move a state file into place
func (c *RemoteCommand) enableRemoteState() 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
}
// Read the provided state file
raw, err := ioutil.ReadFile(c.conf.statePath)
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to read '%s': %v", c.conf.statePath, err))
return 1
}
state, err := terraform.ReadState(bytes.NewReader(raw))
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to decode '%s': %v", c.conf.statePath, err))
return 1
}
// Backup the state file before we modify it
backupPath := c.conf.backupPath
if backupPath != "-" {
// Provide default backup path if none provided
if backupPath == "" {
backupPath = c.conf.statePath + DefaultBackupExtention
}
log.Printf("[INFO] Writing backup state to: %s", backupPath)
f, err := os.Create(backupPath)
if err == nil {
err = terraform.WriteState(state, f)
f.Close()
}
if err != nil {
c.Ui.Error(fmt.Sprintf("Error writing backup state file: %s", err))
return 1
}
}
// Update the local configuration, move into place
state.Remote = &c.remoteConf
if err := remote.PersistState(state); err != nil {
c.Ui.Error(fmt.Sprintf("%s", err))
return 1
}
// Remove the state file
log.Printf("[INFO] Removing state file: %s", c.conf.statePath)
if err := os.Remove(c.conf.statePath); err != nil {
c.Ui.Error(fmt.Sprintf("Failed to remove state file '%s': %v",
c.conf.statePath, err))
return 1
}
// Success!
c.Ui.Output("Remote state management enabled")
return 0
}
