[SCB-716] Implementation of Local Service Registry Demo

samples/local-service-registry/README.md

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+## Local registry
+
+User can use local registry mechanisam and can connect server endpoints without using service center.
+For local registry mechanism user should provide the local registry file at consumer side.
+User can start provider service and get the provider schema file and put at the consumer side.
+Consumer will use local registry function and it will connect the server end points.
+
+Please find the details as follows.
+
+## Provider Side
+
+* run the provider with/without service center and get the schema file.
+
+## Consumer Side changes
+
+* Add local registry file registry.yaml :
+
+  ```yaml
+  localserv:
+    - id: "100"
+      version: "0.0.1"
+      appid: localservreg
+      schemaIds:
+        - localservregistry
+      instances:
+        - endpoints:
+          - rest://localhost:8080
+          - highway://localhost:7070
+  ```
+
+* Add the following code at the beginning and end of the service consumer Main function
+
+```java
+    public class xxxClient {
+      public static void main(String[] args) {
+　　    System.setProperty("local.registry.file", "/yourpath/registry.yaml");
+        //your code
+　　    System.clearProperty("local.registry.file");
+      }
+    }
+```
+   If file present in this path "local.registry.file" then registry mode is Local registry mode. It will not connect to service center.
+
+* Add provider's schema file at below location of consumer side
+
+  src/main/resources/microservices/{microserviceName}/{schemaId.yaml}
+  -here microserviceName is servers's microservice name. Like this multiple schemaId files we can put in same location.
+
+* Run the consumer and verify the API's output.

samples/local-service-registry/local-registry-client/pom.xml

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+<?xml version="1.0"?>
+<!--
+  ~ 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.
+  -->
+
+<project
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+  xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.servicecomb.samples</groupId>
+    <artifactId>local-service-registry</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>local-registry-client</artifactId>
+  <name>Java Chassis::Demo::LocalServiceRegistry::Client</name>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.servicecomb.samples</groupId>
+      <artifactId>common-schema</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>provider-springmvc</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>transport-highway</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>transport-rest-vertx</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>handler-bizkeeper</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>handler-loadbalance</artifactId>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

samples/local-service-registry/local-registry-client/src/main/java/org/apache/servicecomb/samples/localregistry/localregistryclient/LocalRegistryClient.java

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+/*
+ * 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 org.apache.servicecomb.samples.localregistry.localregistryclient;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.servicecomb.foundation.common.utils.BeanUtils;
+import org.apache.servicecomb.foundation.common.utils.Log4jUtils;
+import org.apache.servicecomb.provider.springmvc.reference.RestTemplateBuilder;
+import org.apache.servicecomb.samples.common.schema.models.Person;
+import org.springframework.web.client.RestTemplate;
+
+public class LocalRegistryClient {
+  private static RestTemplate templateNew = RestTemplateBuilder.create();
+
+  public static void main(String[] args) throws Exception {
+    System.setProperty("local.registry.file", "src/main/resources/registry.yaml");
+    init();
+
+    run();
+  }
+
+  public static void init() throws Exception {
+    Log4jUtils.init();
+    BeanUtils.init();
+  }
+
+  public static void run() throws Exception {
+    testLocalRegistry(templateNew);
+  }
+
+  private static void testLocalRegistry(RestTemplate template) throws Exception {
+    String microserviceName = "localserv";
+    String cseUrlPrefix = "cse://" + microserviceName + "/localservregistry/";
+
+    Map<String, String> params = new HashMap<>();
+    params.put("a", "5");
+    params.put("b", "20");
+    int result = template.postForObject(cseUrlPrefix + "add", params, Integer.class);
+    System.out.println(result);
+
+    Person person = new Person();
+    person.setName("local registry test");
+    Person sayHiResult = template
+        .postForObject(
+            cseUrlPrefix + "sayhi",
+            person,
+            Person.class);
+
+    System.out.println(sayHiResult.getName());
+  }
+}

samples/local-service-registry/local-registry-client/src/main/resources/microservice.yaml

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+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+APPLICATION_ID: localservreg
+service_description:
+  name: localclient
+  version: 0.0.1
+servicecomb:
+  handler:
+    chain:
+      Consumer:
+        default: bizkeeper-consumer,loadbalance

samples/local-service-registry/local-registry-client/src/main/resources/microservices/localserv/hello.yaml

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+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+swagger: "2.0"
+info:
+  version: "1.0.0"
+  title: "swagger definition for org.apache.servicecomb.samples.localregistry.localregistryserver.LocalServerApi"
+  x-java-interface: "cse.gen.localservreg.localserv.localservregistry.LocalServerApiIntf"
+basePath: "/localservregistry"
+consumes:
+- "application/json"
+produces:
+- "application/json"
+paths:
+  /add:
+    post:
+      operationId: "add"
+      parameters:
+      - name: "a"
+        in: "formData"
+        required: false
+        type: "integer"
+        format: "int32"
+      - name: "b"
+        in: "formData"
+        required: false
+        type: "integer"
+        format: "int32"
+      responses:
+        200:
+          description: "response of 200"
+          schema:
+            type: "integer"
+            format: "int32"
+  /sayhi:
+    post:
+      operationId: "sayHi"
+      parameters:
+      - in: "body"
+        name: "student"
+        required: false
+        schema:
+          $ref: "#/definitions/Person"
+      responses:
+        200:
+          description: "response of 200"
+          schema:
+            $ref: "#/definitions/Person"
+definitions:
+  Person:
+    type: "object"
+    properties:
+      name:
+        type: "string"
+    x-java-class: "org.apache.servicecomb.samples.common.schema.models.Person"

samples/local-service-registry/local-registry-client/src/main/resources/registry.yaml

@@ -0,0 +1,27 @@
+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+localserv:
+  - id: "100"
+    version: "0.0.1"
+    appid: localservreg
+    schemaIds:
+      - hello
+    instances:
+      - endpoints:
+        - rest://localhost:8080
+        - highway://localhost:7070

samples/local-service-registry/local-registry-server/pom.xml

@@ -0,0 +1,78 @@
+<?xml version="1.0"?>
+<!--
+  ~ 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.
+  -->
+
+<project
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+  xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.servicecomb.samples</groupId>
+    <artifactId>local-service-registry</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>local-registry-server</artifactId>
+  <name>Java Chassis::Demo::LocalRegistry::Server</name>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.servicecomb.samples</groupId>
+      <artifactId>common-schema</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>provider-jaxrs</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>transport-highway</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>transport-rest-vertx</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>handler-bizkeeper</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>com.github.odavid.maven.plugins</groupId>
+        <artifactId>mixin-maven-plugin</artifactId>
+        <configuration>
+          <mixins>
+            <mixin>
+              <groupId>org.apache.servicecomb.demo</groupId>
+              <artifactId>docker-build-config</artifactId>
+              <version>1.0.0-SNAPSHOT</version>
+            </mixin>
+          </mixins>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>