fix(common): supported dry run

pkg/apis/input.go

@@ -183,6 +183,10 @@ type StandaloneAnonResourceCreateInput struct {
 	// 标签列表,最多支持20个
 	// example: { "user:rd": "op" }
 	Metadata map[string]string `json:"__meta__" token:"tag" help:"tags in the form of key=value"`
+
+	// 预检验参数,若为true则仅检查参数,并不真正创建变更
+	// default: false
+	DryRun bool `json:"dry_run"`
 }
 
 type StandaloneResourceCreateInput struct {

pkg/cloudcommon/db/db_dispatcher.go

@@ -1269,6 +1269,15 @@ func _doCreateItem(
 	if err != nil {
 		return nil, httperrors.NewGeneralError(err)
 	}
+
+	dryRun := struct {
+		DryRun bool
+	}{}
+	data.Unmarshal(&dryRun)
+	if dryRun.DryRun {
+		return model, nil
+	}
+
 	err = manager.TableSpec().InsertOrUpdate(ctx, model)
 	if err != nil {
 		return nil, httperrors.NewGeneralError(err)