Merge pull request #7897 from real-zony/rabbit-cluster-support

Add support for RabbitMQ cluster.

docs/en/Background-Jobs-RabbitMq.md

@@ -66,6 +66,26 @@ Defining multiple connections is allowed. In this case, you can use different co
 }
 ````
 
+If you need to connect to the RabbitMQ cluster, you can use the `;` character to separate the host names.
+
+**Example: Connect to the RabbitMQ cluster**
+
+```json
+{
+  "RabbitMQ": {
+    "Connections": {
+      "Default": {
+        "HostName": "123.123.123.123;234.234.234.234"
+      }
+    },
+    "EventBus": {
+      "ClientName": "MyClientName",
+      "ExchangeName": "MyExchangeName"
+    }
+  }
+}
+```
+
 #### AbpRabbitMqOptions
 
 `AbpRabbitMqOptions` class can be used to configure the connection strings for the RabbitMQ. You can configure this options inside the `ConfigureServices` of your [module](Module-Development-Basics.md).

docs/en/Distributed-Event-Bus-RabbitMQ-Integration.md

@@ -90,7 +90,7 @@ You can use any of the [ConnectionFactry](http://rabbitmq.github.io/rabbitmq-dot
 
 **Example: Specify the connection port**
 
-````csharp
+````json
 {
   "RabbitMQ": {
     "Connections": {
@@ -103,6 +103,26 @@ You can use any of the [ConnectionFactry](http://rabbitmq.github.io/rabbitmq-dot
 }
 ````
 
+If you need to connect to the RabbitMQ cluster, you can use the `;` character to separate the host names.
+
+**Example: Connect to the RabbitMQ cluster**
+
+```json
+{
+  "RabbitMQ": {
+    "Connections": {
+      "Default": {
+        "HostName": "123.123.123.123;234.234.234.234"
+      }
+    },
+    "EventBus": {
+      "ClientName": "MyClientName",
+      "ExchangeName": "MyExchangeName"
+    }
+  }
+}
+```
+
 ### The Options Classes
 
 `AbpRabbitMqOptions` and `AbpRabbitMqEventBusOptions` classes can be used to configure the connection strings and event bus options for the RabbitMQ.

docs/zh-Hans/Distributed-Event-Bus-RabbitMQ-Integration.md

@@ -103,6 +103,26 @@
 }
 ````
 
+如果需要连接到 RabbitMQ 集群，你可以指定多个 HostName。
+
+**示例: 连接到 RabbitMQ 集群**
+
+```json
+{
+  "RabbitMQ": {
+    "Connections": {
+      "Default": {
+        "HostName": "123.123.123.123;234.234.234.234"
+      }
+    },
+    "EventBus": {
+      "ClientName": "MyClientName",
+      "ExchangeName": "MyExchangeName"
+    }
+  }
+}
+```
+
 ### 选项类
 
 `AbpRabbitMqOptions` 和 `AbpRabbitMqEventBusOptions` 类用于配置RabbitMQ的连接字符串和事件总线选项.

framework/src/Volo.Abp.RabbitMQ/Volo/Abp/RabbitMQ/ConnectionPool.cs

@@ -26,10 +26,13 @@ namespace Volo.Abp.RabbitMQ
 
             return Connections.GetOrAdd(
                 connectionName,
-                () => Options
-                    .Connections
-                    .GetOrDefault(connectionName)
-                    .CreateConnection()
+                () =>
+                {
+                    var connection = Options.Connections.GetOrDefault(connectionName);
+                    var hostnames = connection.HostName.TrimEnd(';').Split(';');
+                    // Handle Rabbit MQ Cluster.
+                    return hostnames.Length == 1 ? connection.CreateConnection() : connection.CreateConnection(hostnames);
+                }
             );
         }