[agent] start rabbitmq , continue a lot

server/src/main/java/io/wdd/rpc/init/AcceptBootUpInfoMessage.java

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+package io.wdd.rpc.init;
+
+
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import io.wdd.common.beans.rabbitmq.OctopusMessage;
+import io.wdd.common.handler.MyRuntimeException;
+import io.wdd.common.utils.MessageUtils;
+import io.wdd.server.beans.po.ServerInfoPO;
+import io.wdd.server.beans.vo.ServerInfoVO;
+import io.wdd.server.utils.DaemonDatabaseOperator;
+import org.springframework.amqp.core.Message;
+import org.springframework.amqp.rabbit.annotation.*;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.io.IOException;
+
+/**
+ * The type Accept boot up info message.
+ */
+@Service
+public class AcceptBootUpInfoMessage {
+
+
+    @Resource
+    DaemonDatabaseOperator databaseOperator;
+
+    /**
+     * Handle octopus agent boot up info.
+     *
+     * @param message the message
+     */
+    @RabbitHandler
+    @RabbitListener(
+            bindings =
+            @QueueBinding(
+                    value = @Queue(name = "${octopus.message.init_to_server}"),
+                    exchange = @Exchange(name = "${octopus.message.init_exchange}", type = "direct"),
+                    key = {"${octopus.message.init_to_server_key}"}
+            )
+            ,
+            ackMode = "MANUAL"
+    )
+    public void handleOctopusAgentBootUpInfo(Message message) {
+
+        JsonMapper jsonMapper = new JsonMapper();
+        ServerInfoVO serverInfoVO;
+
+        try {
+            serverInfoVO = jsonMapper.readValue(message.getBody(), ServerInfoVO.class);
+        } catch (IOException e) {
+            throw new MyRuntimeException("parse rabbit server info error, please check !");
+        }
+
+
+        // 1. check if information is correct
+        if(!validateServerInfo(serverInfoVO)){
+            throw new MyRuntimeException("server info validated failed !");
+        };
+        // 2. generate the unique topic for agent
+        String agentQueueTopic = generateAgentQueueTopic(serverInfoVO);
+        // 3. save the agent info into database
+        // backend fixed thread daemon to operate the database ensuring the operation is correct !
+        if(!databaseOperator.saveInitOctopusAgentInfo(serverInfoVO)){
+            throw new MyRuntimeException("database save agent info error !");
+        }
+
+        // 4. send InitMessage to agent
+
+    }
+
+    private String generateAgentQueueTopic(ServerInfoVO serverInfoVO) {
+        return null;
+    }
+
+    private boolean validateServerInfo(ServerInfoVO serverInfoVO) {
+
+        return false;
+    }
+
+
+}

server/src/main/java/io/wdd/rpc/init/FromServerMessageBinding.java

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+package io.wdd.rpc.init;
+
+import org.springframework.amqp.core.Binding;
+import org.springframework.amqp.core.BindingBuilder;
+import org.springframework.amqp.core.DirectExchange;
+import org.springframework.amqp.core.Queue;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class FromServerMessageBinding {
+
+    @Value("${octopus.message.init_exchange}")
+    public String INIT_EXCHANGE;
+
+    @Value("${octopus.message.init_from_server}")
+    public String INIT_FROM_SERVER;
+
+    @Value("${octopus.message.init_to_server}")
+    public String INIT_TO_SERVER;
+
+    @Value("${octopus.message.init_from_server_key}")
+    public String INIT_FROM_SERVER_KEY;
+
+    @Value("${octopus.message.init_to_server_key}")
+    public String INIT_TO_SERVER_KEY;
+
+    @Bean
+    public DirectExchange initDirectExchange() {
+        return new DirectExchange(INIT_EXCHANGE);
+    }
+
+    @Bean
+    public Queue initFromServerQueue() {
+        return new Queue(INIT_FROM_SERVER);
+    }
+
+
+    /**
+     * 配置一个队列和交换机的绑定
+     *
+     * @param initDirectQueue    : 需要绑定的队列对象，参数名必须和某个@Bean的方法名完全相同，这样就会进行自动注入，对应 .bind()
+     * @param initDirectExchange : 需要绑定的交换机对象，参数名必须和某个@Bean的方法名完全相同，这样就会进行自动注入，对应 .to()
+     *                           .with() 方法对应的RoutingKey
+     * @return
+     */
+    @Bean
+    public Binding initBinding(DirectExchange initDirectExchange, Queue initFromServerQueue) {
+        return BindingBuilder.bind(initFromServerQueue).to(initDirectExchange).with(INIT_FROM_SERVER_KEY);
+    }
+
+}