Merge pull request #29863 from hashicorp/barrettclark/migrate-empty-default-workspace

Cloud: Migrate empty default workspace prompt

internal/cloud/e2e/migrate_state_multi_to_tfc_test.go

@@ -157,6 +157,77 @@ func Test_migrate_multi_to_tfc_cloud_name_strategy(t *testing.T) {
 				}
 			},
 		},
+		"migrating multiple workspaces to cloud using name strategy; 'default' workspace is empty": {
+			operations: []operationSets{
+				{
+					prep: func(t *testing.T, orgName, dir string) {
+						tfBlock := terraformConfigLocalBackend()
+						writeMainTF(t, tfBlock, dir)
+					},
+					commands: []tfCommand{
+						{
+							command:           []string{"init"},
+							expectedCmdOutput: `Successfully configured the backend "local"!`,
+						},
+						{
+							command:           []string{"workspace", "new", "workspace1"},
+							expectedCmdOutput: `Created and switched to workspace "workspace1"!`,
+						},
+						{
+							command:         []string{"apply", "-auto-approve"},
+							postInputOutput: []string{`Apply complete!`},
+						},
+						{
+							command:           []string{"workspace", "new", "workspace2"},
+							expectedCmdOutput: `Created and switched to workspace "workspace2"!`,
+						},
+						{
+							command:         []string{"apply", "-auto-approve"},
+							postInputOutput: []string{`Apply complete!`},
+						},
+					},
+				},
+				{
+					prep: func(t *testing.T, orgName, dir string) {
+						wsName := "new-workspace"
+						tfBlock := terraformConfigCloudBackendName(orgName, wsName)
+						writeMainTF(t, tfBlock, dir)
+					},
+					commands: []tfCommand{
+						{
+							command:           []string{"init", "-migrate-state"},
+							expectedCmdOutput: `Do you want to copy only your current workspace?`,
+							userInput:         []string{"yes", "yes"},
+							postInputOutput: []string{
+								`Do you want to copy existing state to Terraform Cloud?`,
+								`Terraform Cloud has been successfully initialized!`},
+						},
+						{
+							command:     []string{"workspace", "select", "default"},
+							expectError: true,
+						},
+						{
+							command:           []string{"output"},
+							expectedCmdOutput: `val = "workspace2"`, // this was the output of the current workspace selected before migration
+						},
+					},
+				},
+			},
+			validations: func(t *testing.T, orgName string) {
+				wsList, err := tfeClient.Workspaces.List(ctx, orgName, tfe.WorkspaceListOptions{})
+				if err != nil {
+					t.Fatal(err)
+				}
+				if len(wsList.Items) != 1 {
+					t.Fatalf("Expected the number of workspaces to be 1, but got %d", len(wsList.Items))
+				}
+				ws := wsList.Items[0]
+				// this workspace name is what exists in the cloud backend configuration block
+				if ws.Name != "new-workspace" {
+					t.Fatalf("Expected workspace to be `new-workspace`, but is %s", ws.Name)
+				}
+			},
+		},
 	}
 
 	for name, tc := range cases {
@@ -220,7 +291,7 @@ func Test_migrate_multi_to_tfc_cloud_name_strategy(t *testing.T) {
 					}
 
 					err = cmd.Wait()
-					if err != nil {
+					if err != nil && !tfCmd.expectError {
 						t.Fatal(err)
 					}
 				}

internal/command/meta_backend_migrate.go

@@ -622,13 +622,28 @@ func (m *Meta) backendMigrateState_S_TFC(opts *backendMigrateOpts, sourceWorkspa
 	newCurrentWorkspace := ""
 
 	// This map is used later when doing the migration per source/destination.
-	// If a source has 'default', then we ask what the new name should be.
+	// If a source has 'default' and has state, then we ask what the new name should be.
 	// And further down when we actually run state migration for each
-	// sourc/destination workspce, we use this new name (where source is 'default')
+	// source/destination workspace, we use this new name (where source is 'default')
-	// and set as destinationWorkspace.
+	// and set as destinationWorkspace. If the default workspace does not have
+	// state we will not prompt the user for a new name because empty workspaces
+	// do not get migrated.
 	defaultNewName := map[string]string{}
 	for i := 0; i < len(sourceWorkspaces); i++ {
 		if sourceWorkspaces[i] == backend.DefaultStateName {
+			// For the default workspace we want to look to see if there is any state
+			// before we ask for a workspace name to migrate the default workspace into.
+			sourceState, err := opts.Source.StateMgr(backend.DefaultStateName)
+			if err != nil {
+				return fmt.Errorf(strings.TrimSpace(
+					errMigrateSingleLoadDefault), opts.SourceType, err)
+			}
+			// RefreshState is what actually pulls the state to be evaluated.
+			if err := sourceState.RefreshState(); err != nil {
+				return fmt.Errorf(strings.TrimSpace(
+					errMigrateSingleLoadDefault), opts.SourceType, err)
+			}
+			if !sourceState.State().Empty() {
 				newName, err := m.promptNewWorkspaceName(opts.DestinationType)
 				if err != nil {
 					return err
@@ -636,6 +651,7 @@ func (m *Meta) backendMigrateState_S_TFC(opts *backendMigrateOpts, sourceWorkspa
 				defaultNewName[sourceWorkspaces[i]] = newName
 			}
 		}
+	}
 
 	// Fetch the pattern that will be used to rename the workspaces for Terraform Cloud.
 	//