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Copy pathmeta_backend_test.go
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2850 lines (2444 loc) · 64.8 KB
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package command
import (
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"github.com/hashicorp/terraform/helper/copy"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/cli"
)
// Test empty directory with no config/state creates a local state.
func TestMetaBackend_emptyDir(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
os.MkdirAll(td, 0755)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Get the backend
m := testMetaBackend(t, nil)
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Write some state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
s.WriteState(testState())
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify it exists where we expect it to
if isEmptyState(DefaultStateFilename) {
t.Fatalf("no state was written")
}
// Verify no backup since it was empty to start
if !isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state should be empty")
}
// Verify no backend state was made
if !isEmptyState(filepath.Join(m.DataDir(), DefaultStateFilename)) {
t.Fatal("backend state should be empty")
}
}
// check for no state. Either the file doesn't exist, or is empty
func isEmptyState(path string) bool {
fi, err := os.Stat(path)
if os.IsNotExist(err) {
return true
}
if fi.Size() == 0 {
return true
}
return false
}
// Test a directory with a legacy state and no config continues to
// use the legacy state.
func TestMetaBackend_emptyWithDefaultState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
os.MkdirAll(td, 0755)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Write the legacy state
statePath := DefaultStateFilename
{
f, err := os.Create(statePath)
if err != nil {
t.Fatalf("err: %s", err)
}
err = terraform.WriteState(testState(), f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
}
// Get the backend
m := testMetaBackend(t, nil)
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if actual := s.State().String(); actual != testState().String() {
t.Fatalf("bad: %s", actual)
}
// Verify it exists where we expect it to
if _, err := os.Stat(DefaultStateFilename); err != nil {
t.Fatalf("err: %s", err)
}
stateName := filepath.Join(m.DataDir(), DefaultStateFilename)
if !isEmptyState(stateName) {
t.Fatal("expected no state at", stateName)
}
// Write some state
next := testState()
next.Modules[0].Outputs["foo"] = &terraform.OutputState{Value: "bar"}
s.WriteState(testState())
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify a backup was made since we're modifying a pre-existing state
if isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state should not be empty")
}
}
// Test an empty directory with an explicit state path (outside the dir)
func TestMetaBackend_emptyWithExplicitState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
os.MkdirAll(td, 0755)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Create another directory to store our state
stateDir := tempDir(t)
os.MkdirAll(stateDir, 0755)
defer os.RemoveAll(stateDir)
// Write the legacy state
statePath := filepath.Join(stateDir, "foo")
{
f, err := os.Create(statePath)
if err != nil {
t.Fatalf("err: %s", err)
}
err = terraform.WriteState(testState(), f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
}
// Setup the meta
m := testMetaBackend(t, nil)
m.statePath = statePath
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if actual := s.State().String(); actual != testState().String() {
t.Fatalf("bad: %s", actual)
}
// Verify neither defaults exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
stateName := filepath.Join(m.DataDir(), DefaultStateFilename)
if !isEmptyState(stateName) {
t.Fatal("expected no state at", stateName)
}
// Write some state
next := testState()
next.Modules[0].Outputs["foo"] = &terraform.OutputState{Value: "bar"}
s.WriteState(testState())
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify a backup was made since we're modifying a pre-existing state
if isEmptyState(statePath + DefaultBackupExtension) {
t.Fatal("backup state should not be empty")
}
}
// Empty directory with legacy remote state
func TestMetaBackend_emptyLegacyRemote(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
os.MkdirAll(td, 0755)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Create some legacy remote state
legacyState := testState()
_, srv := testRemoteState(t, legacyState, 200)
defer srv.Close()
statePath := testStateFileRemote(t, legacyState)
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if actual := state.String(); actual != legacyState.String() {
t.Fatalf("bad: %s", actual)
}
// Verify we didn't setup the backend state
if !state.Backend.Empty() {
t.Fatal("shouldn't configure backend")
}
// Verify the default paths don't exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify a backup doesn't exist
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
if _, err := os.Stat(statePath + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Newly configured backend
func TestMetaBackend_configureNew(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state != nil {
t.Fatal("state should be nil")
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify a backup doesn't exist
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Newly configured backend with prior local state and no remote state
func TestMetaBackend_configureNewWithState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-migrate"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"yes"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("state is nil")
}
if state.Lineage != "backend-new-migrate" {
t.Fatalf("bad: %#v", state)
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup does exist
if isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state is empty or missing")
}
}
// Newly configured backend with prior local state and no remote state,
// but opting to not migrate.
func TestMetaBackend_configureNewWithStateNoMigrate(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-migrate"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"no"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
if state := s.State(); state != nil {
t.Fatal("state is not nil")
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup does exist
if isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state is empty or missing")
}
}
// Newly configured backend with prior local state and remote state
func TestMetaBackend_configureNewWithStateExisting(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-migrate-existing"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"yes"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("state is nil")
}
if state.Lineage != "local" {
t.Fatalf("bad: %#v", state)
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup does exist
if isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state is empty or missing")
}
}
// Newly configured backend with prior local state and remote state
func TestMetaBackend_configureNewWithStateExistingNoMigrate(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-migrate-existing"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"no"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("state is nil")
}
if state.Lineage != "remote" {
t.Fatalf("bad: %#v", state)
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup does exist
if isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
t.Fatal("backup state is empty or missing")
}
}
// Newly configured backend with lgacy
func TestMetaBackend_configureNewLegacy(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-legacy"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"no"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state != nil {
t.Fatal("state should be nil")
}
// Verify we have no configured legacy
{
path := filepath.Join(m.DataDir(), DefaultStateFilename)
f, err := os.Open(path)
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if !actual.Remote.Empty() {
t.Fatalf("bad: %#v", actual)
}
if actual.Backend.Empty() {
t.Fatalf("bad: %#v", actual)
}
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup doesn't exist
if !isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("backup should be empty, but contains:\n", string(data))
}
}
// Newly configured backend with legacy
func TestMetaBackend_configureNewLegacyCopy(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-new-legacy"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"yes", "yes"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("nil state")
}
if state.Lineage != "backend-new-legacy" {
t.Fatalf("bad: %#v", state)
}
// Verify we have no configured legacy
{
path := filepath.Join(m.DataDir(), DefaultStateFilename)
f, err := os.Open(path)
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if !actual.Remote.Empty() {
t.Fatalf("bad: %#v", actual)
}
if actual.Backend.Empty() {
t.Fatalf("bad: %#v", actual)
}
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify the default paths don't exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify a backup doesn't exist
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Saved backend state matching config
func TestMetaBackend_configuredUnchanged(t *testing.T) {
defer testChdir(t, testFixturePath("backend-unchanged"))()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("nil state")
}
if state.Lineage != "configuredUnchanged" {
t.Fatalf("bad: %#v", state)
}
// Verify the default paths don't exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify a backup doesn't exist
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Changing a configured backend
func TestMetaBackend_configuredChange(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-change"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"no"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state != nil {
t.Fatal("state should be nil")
}
// Verify the default paths don't exist
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify a backup doesn't exist
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
// Write some state
state = terraform.NewState()
state.Lineage = "changing"
s.WriteState(state)
if err := s.PersistState(); err != nil {
t.Fatalf("bad: %s", err)
}
// Verify the state is where we expect
{
f, err := os.Open("local-state-2.tfstate")
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual.Lineage != state.Lineage {
t.Fatalf("bad: %#v", actual)
}
}
// Verify no local state
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify no local backup
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Changing a configured backend, copying state
func TestMetaBackend_configuredChangeCopy(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-change"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"yes", "yes"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state == nil {
t.Fatal("state should not be nil")
}
if state.Lineage != "backend-change" {
t.Fatalf("bad: %#v", state)
}
// Verify no local state
if _, err := os.Stat(DefaultStateFilename); err == nil {
t.Fatalf("err: %s", err)
}
// Verify no local backup
if _, err := os.Stat(DefaultStateFilename + DefaultBackupExtension); err == nil {
t.Fatalf("err: %s", err)
}
}
// Unsetting a saved backend
func TestMetaBackend_configuredUnset(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("backend-unset"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInteractiveInput(t, []string{"no"})()
// Setup the meta
m := testMetaBackend(t, nil)
// Get the backend
b, err := m.Backend(&BackendOpts{Init: true})
if err != nil {
t.Fatalf("bad: %s", err)
}
// Check the state
s, err := b.State()
if err != nil {
t.Fatalf("bad: %s", err)
}
if err := s.RefreshState(); err != nil {
t.Fatalf("bad: %s", err)
}
state := s.State()
if state != nil {
t.Fatal("state should be nil")
}
// Verify the default paths don't exist
if !isEmptyState(DefaultStateFilename) {
data, _ := ioutil.ReadFile(DefaultStateFilename)
t.Fatal("state should not exist, but contains:\n", string(data))
}
// Verify a backup doesn't exist
if !isEmptyState(DefaultStateFilename + DefaultBackupExtension) {
data, _ := ioutil.ReadFile(DefaultStateFilename + DefaultBackupExtension)
t.Fatal("backup should not exist, but contains:\n", string(data))
}
// Verify we have no configured backend/legacy
path := filepath.Join(m.DataDir(), DefaultStateFilename)
if _, err := os.Stat(path); err == nil {
f, err := os.Open(path)
if err != nil {
t.Fatalf("err: %s", err)
}
actual, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)