Make state commands check required version (#28025)

internal/command/command_test.go

@@ -19,7 +19,6 @@ import (
 	"testing"
 
 	svchost "github.com/hashicorp/terraform-svchost"
-
 	"github.com/hashicorp/terraform-svchost/disco"
 	"github.com/hashicorp/terraform/internal/addrs"
 	backendInit "github.com/hashicorp/terraform/internal/backend/init"

internal/command/meta.go

@@ -732,3 +732,35 @@ func (m *Meta) applyStateArguments(args *arguments.State) {
 	m.stateOutPath = args.StateOutPath
 	m.backupPath = args.BackupPath
 }
+
+// checkRequiredVersion loads the config and check if the
+// core version requirements are satisfied.
+func (m *Meta) checkRequiredVersion() tfdiags.Diagnostics {
+	var diags tfdiags.Diagnostics
+
+	loader, err := m.initConfigLoader()
+	if err != nil {
+		diags = diags.Append(err)
+		return diags
+	}
+
+	pwd, err := os.Getwd()
+	if err != nil {
+		diags = diags.Append(fmt.Errorf("Error getting pwd: %s", err))
+		return diags
+	}
+
+	config, configDiags := loader.LoadConfig(pwd)
+	if configDiags.HasErrors() {
+		diags = diags.Append(configDiags)
+		return diags
+	}
+
+	versionDiags := terraform.CheckCoreVersionRequirements(config)
+	if versionDiags.HasErrors() {
+		diags = diags.Append(versionDiags)
+		return diags
+	}
+
+	return nil
+}

internal/command/meta_test.go

@@ -6,13 +6,15 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"strings"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
 
 	"github.com/hashicorp/terraform/internal/backend"
 	"github.com/hashicorp/terraform/internal/backend/local"
 	"github.com/hashicorp/terraform/internal/terraform"
+	"github.com/mitchellh/cli"
 )
 
 func TestMetaColorize(t *testing.T) {
@@ -386,3 +388,32 @@ func TestMeta_process(t *testing.T) {
 		})
 	}
 }
+
+func TestCommand_checkRequiredVersion(t *testing.T) {
+	// Create a temporary working directory that is empty
+	td := tempDir(t)
+	testCopyDir(t, testFixturePath("command-check-required-version"), td)
+	defer os.RemoveAll(td)
+	defer testChdir(t, td)()
+
+	ui := cli.NewMockUi()
+	meta := Meta{
+		Ui: ui,
+	}
+
+	diags := meta.checkRequiredVersion()
+	if diags == nil {
+		t.Fatalf("diagnostics should contain unmet version constraint, but is nil")
+	}
+
+	meta.showDiagnostics(diags)
+
+	// Required version diags are correct
+	errStr := ui.ErrorWriter.String()
+	if !strings.Contains(errStr, `required_version = "~> 0.9.0"`) {
+		t.Fatalf("output should point to unmet version constraint, but is:\n\n%s", errStr)
+	}
+	if strings.Contains(errStr, `required_version = ">= 0.13.0"`) {
+		t.Fatalf("output should not point to met version constraint, but is:\n\n%s", errStr)
+	}
+}

internal/command/state_mv.go

@@ -43,6 +43,11 @@ func (c *StateMvCommand) Run(args []string) int {
 		return cli.RunResultHelp
 	}
 
+	if diags := c.Meta.checkRequiredVersion(); diags != nil {
+		c.showDiagnostics(diags)
+		return 1
+	}
+
 	// If backup or backup-out options are set
 	// and the state option is not set, make sure
 	// the backend is local

internal/command/state_mv_test.go

@@ -1713,6 +1713,84 @@ func TestStateMvInvalidSourceAddress(t *testing.T) {
 	}
 }
 
+func TestStateMv_checkRequiredVersion(t *testing.T) {
+	// Create a temporary working directory that is empty
+	td := tempDir(t)
+	testCopyDir(t, testFixturePath("command-check-required-version"), td)
+	defer os.RemoveAll(td)
+	defer testChdir(t, td)()
+
+	state := states.BuildState(func(s *states.SyncState) {
+		s.SetResourceInstanceCurrent(
+			addrs.Resource{
+				Mode: addrs.ManagedResourceMode,
+				Type: "test_instance",
+				Name: "foo",
+			}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
+			&states.ResourceInstanceObjectSrc{
+				AttrsJSON: []byte(`{"id":"bar","foo":"value","bar":"value"}`),
+				Status:    states.ObjectReady,
+			},
+			addrs.AbsProviderConfig{
+				Provider: addrs.NewDefaultProvider("test"),
+				Module:   addrs.RootModule,
+			},
+		)
+		s.SetResourceInstanceCurrent(
+			addrs.Resource{
+				Mode: addrs.ManagedResourceMode,
+				Type: "test_instance",
+				Name: "baz",
+			}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
+			&states.ResourceInstanceObjectSrc{
+				AttrsJSON:    []byte(`{"id":"foo","foo":"value","bar":"value"}`),
+				Status:       states.ObjectReady,
+				Dependencies: []addrs.ConfigResource{mustResourceAddr("test_instance.foo")},
+			},
+			addrs.AbsProviderConfig{
+				Provider: addrs.NewDefaultProvider("test"),
+				Module:   addrs.RootModule,
+			},
+		)
+	})
+	statePath := testStateFile(t, state)
+
+	p := testProvider()
+	ui := new(cli.MockUi)
+	view, _ := testView(t)
+	c := &StateMvCommand{
+		StateMeta{
+			Meta: Meta{
+				testingOverrides: metaOverridesForProvider(p),
+				Ui:               ui,
+				View:             view,
+			},
+		},
+	}
+
+	args := []string{
+		"-state", statePath,
+		"test_instance.foo",
+		"test_instance.bar",
+	}
+
+	if code := c.Run(args); code != 1 {
+		t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String())
+	}
+
+	// State is unchanged
+	testStateOutput(t, statePath, testStateMvOutputOriginal)
+
+	// Required version diags are correct
+	errStr := ui.ErrorWriter.String()
+	if !strings.Contains(errStr, `required_version = "~> 0.9.0"`) {
+		t.Fatalf("output should point to unmet version constraint, but is:\n\n%s", errStr)
+	}
+	if strings.Contains(errStr, `required_version = ">= 0.13.0"`) {
+		t.Fatalf("output should not point to met version constraint, but is:\n\n%s", errStr)
+	}
+}
+
 const testStateMvOutputOriginal = `
 test_instance.baz:
   ID = foo

internal/command/state_pull.go

@@ -23,6 +23,11 @@ func (c *StatePullCommand) Run(args []string) int {
 		return 1
 	}
 
+	if diags := c.Meta.checkRequiredVersion(); diags != nil {
+		c.showDiagnostics(diags)
+		return 1
+	}
+
 	// Load the backend
 	b, backendDiags := c.Backend(nil)
 	if backendDiags.HasErrors() {

internal/command/state_pull_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"io/ioutil"
 	"os"
+	"strings"
 	"testing"
 
 	"github.com/mitchellh/cli"
@@ -64,3 +65,34 @@ func TestStatePull_noState(t *testing.T) {
 		t.Fatalf("bad: %s", actual)
 	}
 }
+
+func TestStatePull_checkRequiredVersion(t *testing.T) {
+	// Create a temporary working directory that is empty
+	td := tempDir(t)
+	testCopyDir(t, testFixturePath("command-check-required-version"), td)
+	defer os.RemoveAll(td)
+	defer testChdir(t, td)()
+
+	p := testProvider()
+	ui := cli.NewMockUi()
+	c := &StatePullCommand{
+		Meta: Meta{
+			testingOverrides: metaOverridesForProvider(p),
+			Ui:               ui,
+		},
+	}
+
+	args := []string{}
+	if code := c.Run(args); code != 1 {
+		t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String())
+	}
+
+	// Required version diags are correct
+	errStr := ui.ErrorWriter.String()
+	if !strings.Contains(errStr, `required_version = "~> 0.9.0"`) {
+		t.Fatalf("output should point to unmet version constraint, but is:\n\n%s", errStr)
+	}
+	if strings.Contains(errStr, `required_version = ">= 0.13.0"`) {
+		t.Fatalf("output should not point to met version constraint, but is:\n\n%s", errStr)
+	}
+}

internal/command/state_push.go

@@ -38,6 +38,11 @@ func (c *StatePushCommand) Run(args []string) int {
 		return cli.RunResultHelp
 	}
 
+	if diags := c.Meta.checkRequiredVersion(); diags != nil {
+		c.showDiagnostics(diags)
+		return 1
+	}
+
 	// Determine our reader for the input state. This is the filepath
 	// or stdin if "-" is given.
 	var r io.Reader = os.Stdin

internal/command/state_push_test.go

@@ -291,3 +291,36 @@ func TestStatePush_forceRemoteState(t *testing.T) {
 		t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
 	}
 }
+
+func TestStatePush_checkRequiredVersion(t *testing.T) {
+	// Create a temporary working directory that is empty
+	td := tempDir(t)
+	testCopyDir(t, testFixturePath("command-check-required-version"), td)
+	defer os.RemoveAll(td)
+	defer testChdir(t, td)()
+
+	p := testProvider()
+	ui := cli.NewMockUi()
+	view, _ := testView(t)
+	c := &StatePushCommand{
+		Meta: Meta{
+			testingOverrides: metaOverridesForProvider(p),
+			Ui:               ui,
+			View:             view,
+		},
+	}
+
+	args := []string{"replace.tfstate"}
+	if code := c.Run(args); code != 1 {
+		t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String())
+	}
+
+	// Required version diags are correct
+	errStr := ui.ErrorWriter.String()
+	if !strings.Contains(errStr, `required_version = "~> 0.9.0"`) {
+		t.Fatalf("output should point to unmet version constraint, but is:\n\n%s", errStr)
+	}
+	if strings.Contains(errStr, `required_version = ">= 0.13.0"`) {
+		t.Fatalf("output should not point to met version constraint, but is:\n\n%s", errStr)
+	}
+}

internal/command/state_replace_provider.go

@@ -42,6 +42,11 @@ func (c *StateReplaceProviderCommand) Run(args []string) int {
 		return cli.RunResultHelp
 	}
 
+	if diags := c.Meta.checkRequiredVersion(); diags != nil {
+		c.showDiagnostics(diags)
+		return 1
+	}
+
 	var diags tfdiags.Diagnostics
 
 	// Parse from/to arguments into providers