[GitHub] [servicecomb-service-center] little-cui commented on a change in pull request #760: [SCB-2094] implement mongo init client

[GitBox <gi...@apache.org>]

little-cui commented on a change in pull request #760:
URL: https://github.com/apache/servicecomb-service-center/pull/760#discussion_r530080561



##########
File path: datasource/mongo/config.go
##########
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package mongo
+
+import (
+	"github.com/apache/servicecomb-service-center/server/config"
+	"github.com/go-chassis/go-chassis/v2/storage"
+	"sync"
+)
+
+var (
+	defaultConfig storage.DB
+	configOnce    sync.Once
+)
+
+func Configuration() storage.DB {

Review comment:
       不要使用这种机制，通过options来，否则后面就有两套配置了




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