terraform/command/remote_test.go

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package command
import (
"bytes"
"io/ioutil"
"os"
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"path/filepath"
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"testing"
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"github.com/hashicorp/terraform/state"
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"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/cli"
)
// Test disabling remote management
func TestRemoteConfig_disable(t *testing.T) {
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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
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// 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)
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}
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if err := state.PersistState(); err != nil {
t.Fatalf("err: %s", err)
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}
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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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())
}
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// Local state file should be removed and the local cache should exist
testRemoteLocal(t, true)
testRemoteLocalCache(t, false)
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// 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")
}
}
// Test disabling remote management without pulling
func TestRemoteConfig_disable_noPull(t *testing.T) {
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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
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// 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)
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}
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if err := state.PersistState(); err != nil {
t.Fatalf("err: %s", err)
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}
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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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())
}
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// Local state file should be removed and the local cache should exist
testRemoteLocal(t, true)
testRemoteLocalCache(t, false)
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// 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)
}
if newState.Remote != nil {
t.Fatalf("remote configuration not removed")
}
}
// Test disabling remote management when not enabled
func TestRemoteConfig_disable_notEnabled(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{"-disable"}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
// Test disabling remote management with a state file in the way
func TestRemoteConfig_disable_otherState(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
// Persist local remote state
s := terraform.NewState()
s.Serial = 5
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// 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)
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}
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if err := state.PersistState(); err != nil {
t.Fatalf("err: %s", err)
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}
// 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 := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{"-disable"}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
// Test the case where both managed and non managed state present
func TestRemoteConfig_managedAndNonManaged(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
// Persist local remote state
s := terraform.NewState()
s.Serial = 5
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// 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)
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}
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if err := state.PersistState(); err != nil {
t.Fatalf("err: %s", err)
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}
// 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 := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
// Test initializing blank state
func TestRemoteConfig_initBlank(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{
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"-backend=http",
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"-backend-config", "address=http://example.com",
"-backend-config", "access_token=test",
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}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
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remotePath := filepath.Join(DefaultDataDir, DefaultStateFilename)
ls := &state.LocalState{Path: remotePath}
if err := ls.RefreshState(); err != nil {
t.Fatalf("err: %s", err)
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}
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local := ls.State()
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if local.Remote.Type != "http" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["address"] != "http://example.com" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["access_token"] != "test" {
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t.Fatalf("Bad: %#v", local.Remote)
}
}
// Test initializing without remote settings
func TestRemoteConfig_initBlank_missingRemote(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
// Test updating remote config
func TestRemoteConfig_updateRemote(t *testing.T) {
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tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
// Persist local remote state
s := terraform.NewState()
s.Serial = 5
s.Remote = &terraform.RemoteState{
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Type: "invalid",
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}
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// Write the state
statePath := filepath.Join(tmp, DefaultDataDir, DefaultStateFilename)
ls := &state.LocalState{Path: statePath}
if err := ls.WriteState(s); err != nil {
t.Fatalf("err: %s", err)
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}
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if err := ls.PersistState(); err != nil {
t.Fatalf("err: %s", err)
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}
ui := new(cli.MockUi)
c := &RemoteConfigCommand{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{
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"-backend=http",
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"-backend-config", "address=http://example.com",
"-backend-config", "access_token=test",
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}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
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remotePath := filepath.Join(DefaultDataDir, DefaultStateFilename)
ls = &state.LocalState{Path: remotePath}
if err := ls.RefreshState(); err != nil {
t.Fatalf("err: %s", err)
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}
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local := ls.State()
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if local.Remote.Type != "http" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["address"] != "http://example.com" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["access_token"] != "test" {
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t.Fatalf("Bad: %#v", local.Remote)
}
}
// Test enabling remote state
func TestRemoteConfig_enableRemote(t *testing.T) {
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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{
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Meta: Meta{
ContextOpts: testCtxConfig(testProvider()),
Ui: ui,
},
}
args := []string{
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"-backend=http",
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"-backend-config", "address=http://example.com",
"-backend-config", "access_token=test",
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}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
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remotePath := filepath.Join(DefaultDataDir, DefaultStateFilename)
ls := &state.LocalState{Path: remotePath}
if err := ls.RefreshState(); err != nil {
t.Fatalf("err: %s", err)
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}
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local := ls.State()
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if local.Remote.Type != "http" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["address"] != "http://example.com" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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if local.Remote.Config["access_token"] != "test" {
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t.Fatalf("Bad: %#v", local.Remote)
}
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// Backup file should exist, state file should not
testRemoteLocal(t, false)
testRemoteLocalBackup(t, true)
}
func testRemoteLocal(t *testing.T, exists bool) {
_, err := os.Stat(DefaultStateFilename)
if os.IsNotExist(err) && !exists {
return
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}
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if err == nil && exists {
return
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}
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t.Fatalf("bad: %#v", err)
}
func testRemoteLocalBackup(t *testing.T, exists bool) {
_, err := os.Stat(DefaultStateFilename + DefaultBackupExtention)
if os.IsNotExist(err) && !exists {
return
}
if err == nil && exists {
return
}
if err == nil && !exists {
t.Fatal("expected local backup to exist")
}
t.Fatalf("bad: %#v", err)
}
func testRemoteLocalCache(t *testing.T, exists bool) {
_, err := os.Stat(filepath.Join(DefaultDataDir, DefaultStateFilename))
if os.IsNotExist(err) && !exists {
return
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}
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if err == nil && exists {
return
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}
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if err == nil && !exists {
t.Fatal("expected local cache to exist")
}
t.Fatalf("bad: %#v", err)
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}