terraform/command/import_test.go

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package command
import (
"fmt"
"io/ioutil"
"os"
"strings"
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"testing"
"github.com/hashicorp/terraform/helper/copy"
"github.com/hashicorp/terraform/plugin"
"github.com/hashicorp/terraform/plugin/discovery"
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"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/cli"
)
func TestImport(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider-implicit"))()
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statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
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},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
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Type: "test_instance",
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},
},
}
args := []string{
"-state", statePath,
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"test_instance.foo",
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"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
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testStateOutput(t, statePath, testImportStr)
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}
func TestImport_providerConfig(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
configured := false
p.ConfigureFn = func(c *terraform.ResourceConfig) error {
configured = true
if v, ok := c.Get("foo"); !ok || v.(string) != "bar" {
return fmt.Errorf("bad value: %#v", v)
}
return nil
}
args := []string{
"-state", statePath,
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that we were called
if !configured {
t.Fatal("Configure should be called")
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
// "remote" state provided by the "local" backend
func TestImport_remoteState(t *testing.T) {
td := tempDir(t)
copy.CopyDir(testFixturePath("import-provider-remote-state"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
statePath := "imported.tfstate"
// init our backend
ui := new(cli.MockUi)
m := Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
}
ic := &InitCommand{
Meta: m,
providerInstaller: &mockProviderInstaller{
Providers: map[string][]string{
"test": []string{"1.2.3"},
},
Dir: m.pluginDir(),
},
}
if code := ic.Run([]string{}); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter)
}
p := testProvider()
ui = new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
configured := false
p.ConfigureFn = func(c *terraform.ResourceConfig) error {
configured = true
if v, ok := c.Get("foo"); !ok || v.(string) != "bar" {
return fmt.Errorf("bad value: %#v", v)
}
return nil
}
args := []string{
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
fmt.Println(ui.OutputWriter)
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that we were called
if !configured {
t.Fatal("Configure should be called")
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
func TestImport_providerConfigWithVar(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider-var"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
configured := false
p.ConfigureFn = func(c *terraform.ResourceConfig) error {
configured = true
if v, ok := c.Get("foo"); !ok || v.(string) != "bar" {
return fmt.Errorf("bad value: %#v", v)
}
return nil
}
args := []string{
"-state", statePath,
"-var", "foo=bar",
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that we were called
if !configured {
t.Fatal("Configure should be called")
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
func TestImport_providerConfigWithVarDefault(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider-var-default"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
configured := false
p.ConfigureFn = func(c *terraform.ResourceConfig) error {
configured = true
if v, ok := c.Get("foo"); !ok || v.(string) != "bar" {
return fmt.Errorf("bad value: %#v", v)
}
return nil
}
args := []string{
"-state", statePath,
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that we were called
if !configured {
t.Fatal("Configure should be called")
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
func TestImport_providerConfigWithVarFile(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider-var-file"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
configured := false
p.ConfigureFn = func(c *terraform.ResourceConfig) error {
configured = true
if v, ok := c.Get("foo"); !ok || v.(string) != "bar" {
return fmt.Errorf("bad value: %#v", v)
}
return nil
}
args := []string{
"-state", statePath,
"-var-file", "blah.tfvars",
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that we were called
if !configured {
t.Fatal("Configure should be called")
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
func TestImport_customProvider(t *testing.T) {
defer testChdir(t, testFixturePath("import-provider-aliased"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
&terraform.InstanceState{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
args := []string{
"-provider", "test.alias",
"-state", statePath,
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportCustomProviderStr)
}
func TestImport_allowMissingResourceConfig(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
p.ImportStateFn = nil
p.ImportStateReturn = []*terraform.InstanceState{
{
ID: "yay",
Ephemeral: terraform.EphemeralState{
Type: "test_instance",
},
},
}
args := []string{
"-state", statePath,
"-allow-missing-config",
"test_instance.foo",
"bar",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if !p.ImportStateCalled {
t.Fatal("ImportState should be called")
}
testStateOutput(t, statePath, testImportStr)
}
func TestImport_emptyConfig(t *testing.T) {
defer testChdir(t, testFixturePath("empty"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"test_instance.foo",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `No Terraform configuration files`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
func TestImport_missingResourceConfig(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"test_instance.foo",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `resource address "test_instance.foo" does not exist`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
func TestImport_missingModuleConfig(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"module.baz.test_instance.foo",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `module.baz is not defined in the configuration`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
func TestImport_dataResource(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"data.test_data_source.foo",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `resource address must refer to a managed resource`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
func TestImport_invalidResourceAddr(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"bananas",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `invalid resource address "bananas"`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
func TestImport_targetIsModule(t *testing.T) {
defer testChdir(t, testFixturePath("import-missing-resource-config"))()
statePath := testTempFile(t)
p := testProvider()
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"module.foo",
"bar",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("import succeeded; expected failure")
}
msg := ui.ErrorWriter.String()
if want := `resource address must include a full resource spec`; !strings.Contains(msg, want) {
t.Errorf("incorrect message\nwant substring: %s\ngot:\n%s", want, msg)
}
}
// make sure we search the full plugin path during import
func TestImport_pluginDir(t *testing.T) {
td := tempDir(t)
copy.CopyDir(testFixturePath("import-provider"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
// make a fake provider in a custom plugin directory
if err := os.Mkdir("plugins", 0755); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("plugins/terraform-provider-test_v1.1.1_x4", []byte("invalid binary"), 0755); err != nil {
t.Fatal(err)
}
ui := new(cli.MockUi)
c := &ImportCommand{
Meta: Meta{
Ui: ui,
},
}
// store our custom plugin path, which would normally happen during init
if err := c.storePluginPath([]string{"./plugins"}); err != nil {
t.Fatal(err)
}
// Now we need to go through some plugin init.
// This discovers our fake plugin and writes the lock file.
initCmd := &InitCommand{
Meta: Meta{
pluginPath: []string{"./plugins"},
Ui: new(cli.MockUi),
},
providerInstaller: &discovery.ProviderInstaller{
PluginProtocolVersion: plugin.Handshake.ProtocolVersion,
},
}
if err := initCmd.getProviders(".", nil, false); err != nil {
t.Fatal(err)
}
args := []string{
"test_instance.foo",
"bar",
}
if code := c.Run(args); code == 0 {
t.Fatalf("expected error, got: %s", ui.OutputWriter)
}
outMsg := ui.OutputWriter.String()
// if we were missing a plugin, the output will have some explanation
// about requirements. If discovery starts verifying binary compatibility,
// we will need to write a dummy provider above.
if strings.Contains(outMsg, "requirements") {
t.Fatal("unexpected output:", outMsg)
}
// We wanted a plugin execution error, rather than a requirement error.
// Looking for "exec" in the error should suffice for now.
errMsg := ui.ErrorWriter.String()
if !strings.Contains(errMsg, "exec") {
t.Fatal("unexpected error:", errMsg)
}
}
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const testImportStr = `
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test_instance.foo:
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ID = yay
provider = provider.test
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`
const testImportCustomProviderStr = `
test_instance.foo:
ID = yay
provider = provider.test.alias
`