feat: Backend delete prompt (#4091)

* feat: backend delete prompt

* nfix: nil pointer if the remote_state block does not exist

Author: lev-ok

cli/commands/backend/bootstrap/bootstrap.go

@@ -13,6 +13,11 @@ func Run(ctx context.Context, opts *options.TerragruntOptions) error {
 	if err != nil {
 		return err
 	}
+	if remoteState == nil {
+		opts.Logger.Debug("Did not find remote `remote_state` block in the config")
+
+		return nil
+	}
 
 	return remoteState.Init(ctx, opts)
 }

cli/commands/backend/delete/delete.go

@@ -15,6 +15,11 @@ func Run(ctx context.Context, cmdOpts *Options) error {
 	if err != nil {
 		return err
 	}
+	if remoteState == nil {
+		opts.Logger.Debug("Did not find remote `remote_state` block in the config")
+
+		return nil
+	}
 
 	if cmdOpts.DeleteBucket {
 		// TODO: Do an extra check before commenting out the code. //return remoteState.DeleteBucket(ctx, opts)

internal/remotestate/backend/gcs/backend.go

@@ -147,7 +147,14 @@ func (backend *Backend) Delete(ctx context.Context, backendConfig backend.Config
 		prefix     = extGCSCfg.RemoteStateConfigGCS.Prefix
 	)
 
-	return client.DeleteGCSObjectIfNecessary(ctx, bucketName, prefix)
+	prompt := fmt.Sprintf("GCS bucket %s objects with prefix %s will be deleted. Do you want to continue?", bucketName, prefix)
+	if yes, err := shell.PromptUserForYesNo(ctx, prompt, opts); err != nil {
+		return err
+	} else if yes {
+		return client.DeleteGCSObjectIfNecessary(ctx, bucketName, prefix)
+	}
+
+	return nil
 }
 
 // DeleteBucket deletes the entire bucket specified in the given config.

internal/remotestate/backend/s3/backend.go

@@ -159,12 +159,24 @@ func (backend *Backend) Delete(ctx context.Context, backendConfig backend.Config
 	if tableName != "" {
 		tableKey := path.Join(bucketName, bucketKey+stateIDSuffix)
 
-		if err := client.DeleteTableItemIfNecessary(ctx, tableName, tableKey); err != nil {
+		prompt := fmt.Sprintf("DynamoDB table %s key %s will be deleted. Do you want to continue?", tableName, tableKey)
+		if yes, err := shell.PromptUserForYesNo(ctx, prompt, opts); err != nil {
 			return err
+		} else if yes {
+			if err := client.DeleteTableItemIfNecessary(ctx, tableName, tableKey); err != nil {
+				return err
+			}
 		}
 	}
 
-	return client.DeleteS3ObjectIfNecessary(ctx, bucketName, bucketKey)
+	prompt := fmt.Sprintf("S3 bucket %s key %s will be deleted. Do you want to continue?", bucketName, bucketKey)
+	if yes, err := shell.PromptUserForYesNo(ctx, prompt, opts); err != nil {
+		return err
+	} else if yes {
+		return client.DeleteS3ObjectIfNecessary(ctx, bucketName, bucketKey)
+	}
+
+	return nil
 }
 
 // DeleteBucket deletes the entire bucket specified in the given config.