From 705e068a6e5b0daacbc7e495f08feb0322b8cea7 Mon Sep 17 00:00:00 2001
From: Qu Xuan <quxuan@yunionyun.com>
Date: Wed, 9 Jun 2021 20:08:46 +0800
Subject: [PATCH] fix(common): supported dry run

---
 pkg/apis/input.go                   | 4 ++++
 pkg/cloudcommon/db/db_dispatcher.go | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/pkg/apis/input.go b/pkg/apis/input.go
index c11b4fdc4c..63987deca0 100644
--- a/pkg/apis/input.go
+++ b/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 {
diff --git a/pkg/cloudcommon/db/db_dispatcher.go b/pkg/cloudcommon/db/db_dispatcher.go
index 531b4f783f..a235a0c842 100644
--- a/pkg/cloudcommon/db/db_dispatcher.go
+++ b/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)