terraform/command/init_test.go

574 lines
15 KiB
Go

package command
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/hashicorp/terraform/helper/copy"
"github.com/hashicorp/terraform/plugin/discovery"
"github.com/mitchellh/cli"
)
func TestInit_empty(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)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
func TestInit_multipleArgs(t *testing.T) {
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{
"bad",
"bad",
}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.OutputWriter.String())
}
}
func TestInit_get(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-get"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Check output
output := ui.OutputWriter.String()
if !strings.Contains(output, "Get: file://") {
t.Fatalf("doesn't look like get: %s", output)
}
}
func TestInit_backend(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
if _, err := os.Stat(filepath.Join(DefaultDataDir, DefaultStateFilename)); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestInit_backendUnset(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
{
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
// Init
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
if _, err := os.Stat(filepath.Join(DefaultDataDir, DefaultStateFilename)); err != nil {
t.Fatalf("err: %s", err)
}
}
{
// Unset
if err := ioutil.WriteFile("main.tf", []byte(""), 0644); err != nil {
t.Fatalf("err: %s", err)
}
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-force-copy"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
s := testStateRead(t, filepath.Join(
DefaultDataDir, DefaultStateFilename))
if !s.Backend.Empty() {
t.Fatal("should not have backend config")
}
}
}
func TestInit_backendConfigFile(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend-config-file"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-backend-config", "input.config"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Read our saved backend config and verify we have our settings
state := testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "hello" {
t.Fatalf("bad: %#v", v)
}
}
func TestInit_backendConfigFileChange(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend-config-file-change"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// Ask input
defer testInputMap(t, map[string]string{
"backend-migrate-to-new": "no",
})()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-backend-config", "input.config"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Read our saved backend config and verify we have our settings
state := testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "hello" {
t.Fatalf("bad: %#v", v)
}
}
func TestInit_backendConfigKV(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend-config-kv"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-backend-config", "path=hello"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Read our saved backend config and verify we have our settings
state := testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "hello" {
t.Fatalf("bad: %#v", v)
}
}
func TestInit_targetSubdir(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)()
// copy the source into a subdir
copy.CopyDir(testFixturePath("init-backend"), filepath.Join(td, "source"))
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{
"source",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
if _, err := os.Stat(filepath.Join(td, "source", DefaultDataDir, DefaultStateFilename)); err != nil {
t.Fatalf("err: %s", err)
}
// a data directory should not have been added to out working dir
if _, err := os.Stat(filepath.Join(td, DefaultDataDir)); !os.IsNotExist(err) {
t.Fatalf("err: %s", err)
}
}
func TestInit_backendReinitWithExtra(t *testing.T) {
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend-empty"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
m := testMetaBackend(t, nil)
opts := &BackendOpts{
ConfigExtra: map[string]interface{}{"path": "hello"},
Init: true,
}
b, err := m.backendConfig(opts)
if err != nil {
t.Fatal(err)
}
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-backend-config", "path=hello"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Read our saved backend config and verify we have our settings
state := testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "hello" {
t.Fatalf("bad: %#v", v)
}
if state.Backend.Hash != b.Hash {
t.Fatal("mismatched state and config backend hashes")
}
if state.Backend.Rehash() != b.Rehash() {
t.Fatal("mismatched state and config re-hashes")
}
// init again and make sure nothing changes
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
state = testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "hello" {
t.Fatalf("bad: %#v", v)
}
if state.Backend.Hash != b.Hash {
t.Fatal("mismatched state and config backend hashes")
}
}
// move option from config to -backend-config args
func TestInit_backendReinitConfigToExtra(t *testing.T) {
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
if code := c.Run([]string{"-input=false"}); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// Read our saved backend config and verify we have our settings
state := testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if v := state.Backend.Config["path"]; v != "foo" {
t.Fatalf("bad: %#v", v)
}
backendHash := state.Backend.Hash
// init again but remove the path option from the config
cfg := "terraform {\n backend \"local\" {}\n}\n"
if err := ioutil.WriteFile("main.tf", []byte(cfg), 0644); err != nil {
t.Fatal(err)
}
args := []string{"-input=false", "-backend-config=path=foo"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
state = testStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename))
if state.Backend.Hash == backendHash {
t.Fatal("state.Backend.Hash was not updated")
}
}
// make sure inputFalse stops execution on migrate
func TestInit_inputFalse(t *testing.T) {
td := tempDir(t)
copy.CopyDir(testFixturePath("init-backend"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
args := []string{"-input=false", "-backend-config=path=foo"}
if code := c.Run([]string{"-input=false"}); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter)
}
args = []string{"-input=false", "-backend-config=path=bar"}
if code := c.Run(args); code == 0 {
t.Fatal("init should have failed", ui.OutputWriter)
}
}
func TestInit_getProvider(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-get-providers"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
getter := &mockGetProvider{
Providers: map[string][]string{
// looking for an exact version
"exact": []string{"1.2.3"},
// config requires >= 2.3.3
"greater_than": []string{"2.3.4", "2.3.3", "2.3.0"},
// config specifies
"between": []string{"3.4.5", "2.3.4", "1.2.3"},
},
}
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
getProvider: getter.GetProvider,
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
// check that we got the providers for our config
exactPath := filepath.Join(c.pluginDir(), getter.FileName("exact", "1.2.3"))
if _, err := os.Stat(exactPath); os.IsNotExist(err) {
t.Fatal("provider 'exact' not downloaded")
}
greaterThanPath := filepath.Join(c.pluginDir(), getter.FileName("greater_than", "2.3.4"))
if _, err := os.Stat(greaterThanPath); os.IsNotExist(err) {
t.Fatal("provider 'greater_than' not downloaded")
}
betweenPath := filepath.Join(c.pluginDir(), getter.FileName("between", "2.3.4"))
if _, err := os.Stat(betweenPath); os.IsNotExist(err) {
t.Fatal("provider 'between' not downloaded")
}
}
func TestInit_getProviderMissing(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-get-providers"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
getter := &mockGetProvider{
Providers: map[string][]string{
// looking for exact version 1.2.3
"exact": []string{"1.2.4"},
// config requires >= 2.3.3
"greater_than": []string{"2.3.4", "2.3.3", "2.3.0"},
// config specifies
"between": []string{"3.4.5", "2.3.4", "1.2.3"},
},
}
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
getProvider: getter.GetProvider,
}
args := []string{}
if code := c.Run(args); code == 0 {
t.Fatalf("expceted error, got output: \n%s", ui.OutputWriter.String())
}
if !strings.Contains(ui.ErrorWriter.String(), "no suitable version for provider") {
t.Fatalf("unexpected error output: %s", ui.ErrorWriter)
}
}
func TestInit_getProviderHaveLegacyVersion(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-providers-lock"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
if err := ioutil.WriteFile("terraform-provider-test", []byte("provider bin"), 0755); err != nil {
t.Fatal(err)
}
// provider test has a version constraint in the config, which should
// trigger the getProvider error below.
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
getProvider: func(dst, provider string, req discovery.Constraints, protoVersion uint) error {
return fmt.Errorf("EXPECTED PROVIDER ERROR %s", provider)
},
}
args := []string{}
if code := c.Run(args); code == 0 {
t.Fatalf("expceted error, got output: \n%s", ui.OutputWriter.String())
}
if !strings.Contains(ui.ErrorWriter.String(), "EXPECTED PROVIDER ERROR test") {
t.Fatalf("unexpected error output: %s", ui.ErrorWriter)
}
}
func TestInit_providerLockFile(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
copy.CopyDir(testFixturePath("init-provider-lock-file"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
getter := &mockGetProvider{
Providers: map[string][]string{
"test": []string{"1.2.3"},
},
}
ui := new(cli.MockUi)
c := &InitCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
getProvider: getter.GetProvider,
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
providersLockFile := fmt.Sprintf(
".terraform/plugins/%s_%s/lock.json",
runtime.GOOS, runtime.GOARCH,
)
buf, err := ioutil.ReadFile(providersLockFile)
if err != nil {
t.Fatalf("failed to read providers lock file %s: %s", providersLockFile, err)
}
// The hash in here is for the empty files that mockGetProvider produces
wantLockFile := strings.TrimSpace(`
{
"test": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
}
`)
if string(buf) != wantLockFile {
t.Errorf("wrong provider lock file contents\ngot: %s\nwant: %s", buf, wantLockFile)
}
}