[ISSUE #435] Initial Creation of eventMesh-admin module in EventMesh (#513)

* initial checkin of eventmesh-schema-plugin

* add file header

* rework pr to add eventmesh-admin module

* typo in readme

* add topic rest apis in readme

* add topic rest apis in readme

* move schema registry out of this pr

* move schema registry out of this pr

build.gradle

@@ -202,6 +202,7 @@ subprojects {
                 exclude 'eventmesh-common*.jar'
                 exclude 'eventmesh-connector-api*.jar'
                 exclude 'eventmesh-connector-plugin*.jar'
+                exclude 'eventmesh-admin*.jar'
                 exclude 'eventmesh-starter*.jar'
                 exclude 'eventmesh-test*.jar'
                 exclude 'eventmesh-sdk*.jar'

eventmesh-admin/README.md

@@ -0,0 +1,53 @@
+# EventMesh Administration Module
+
+EventMesh Administration Module for EventMesh. It manages Admin Service, Configurations such as topics/subscriptions management.It works as a control plane and provide some interface to manage the eventmesh-runtime module and other configurations.
+
+## Administration Client Manager APIs
+
+### POST /clientmanage/topics/
+- Create a new topic if does not exist
+- Exposed POST endpoint to create a new topic if it does not exist.
+    * Url - http://localhost:8081/clientmanage/topics/
+    * sample request payload 
+     ```json
+        {
+            "name":  "mytopic1"
+        }
+     ```
+
+   Sample response 
+
+   ```json
+   {
+        "topic": "mytopic1",
+        "created_time": "2021-09-03",
+   }
+   ```
+### DELETE /clientmanage/topics/(string: topic)/
+- Delete a specific topic.
+- Exposed DELETE endpoint to remove a specific topic
+    * URL -     
+    ```url 
+    http://localhost:8081/clientmanage/topics/mytopic1
+    ```
+    
+    * Response - 
+    
+   ```json
+   {
+        "topic": "mytopic1",        
+   }
+   ```
+
+### GET /clientmanage/topics 
+- Retrieve a list of topics
+- Exposed GET endpoint to retrieve all topics
+    * URL - 
+    ```url 
+    http://localhost:8081/clientmanage/topics
+    ```
+    * Response 
+    
+   ```json
+   ["mytopic1", "mytopic2"]
+   ```

eventmesh-admin/build.gradle

@@ -0,0 +1,19 @@
+/*
+ * 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.
+ */
+
+dependencies {
+}

eventmesh-admin/gradle.properties

@@ -0,0 +1,16 @@
+#
+# 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.
+#

eventmesh-runtime/build.gradle

@@ -29,7 +29,6 @@ dependencies {
     implementation project(":eventmesh-registry-plugin:eventmesh-registry-api")
     implementation project(":eventmesh-registry-plugin:eventmesh-registry-rocketmq-namesrv")
 
-
     testImplementation project(":eventmesh-connector-plugin:eventmesh-connector-api")
     testImplementation project(":eventmesh-security-plugin:eventmesh-security-api")
     testImplementation project(":eventmesh-security-plugin:eventmesh-security-acl")

eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/admin/controller/ClientManageController.java

@@ -53,4 +53,4 @@ public class ClientManageController {
         server.start();
         logger.info("ClientManageController start success, port:{}", port);
     }
-}
+}

settings.gradle

@@ -29,4 +29,5 @@ include 'eventmesh-security-plugin:eventmesh-security-api'
 include 'eventmesh-security-plugin:eventmesh-security-acl'
 include 'eventmesh-registry-plugin:eventmesh-registry-api'
 include 'eventmesh-registry-plugin:eventmesh-registry-rocketmq-namesrv'
+include 'eventmesh-admin'