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Merge pull request #158 from fangjian0423/1.x
sync code about rocketmq and sentinel for 1.x branch
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xiaojing
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@ -1 +1,250 @@
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== Spring Cloud Alibaba Rocket Binder
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== Spring Cloud Alibaba RocketMQ Binder
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### RocketMQ 介绍
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https://rocketmq.apache.org[RocketMQ] 是一款开源的分布式消息系统，基于高可用分布式集群技术，提供低延时的、高可靠的消息发布与订阅服务。同时，广泛应用于多个领域，包括异步通信解耦、企业解决方案、金融支付、电信、电子商务、快递物流、广告营销、社交、即时通信、移动应用、手游、视频、物联网、车联网等。
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具有以下特点：
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* 能够保证严格的消息顺序
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* 提供丰富的消息拉取模式
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* 高效的订阅者水平扩展能力
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* 实时的消息订阅机制
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* 亿级消息堆积能力
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### RocketMQ 基本使用
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* 下载 RocketMQ
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下载 https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.3.2/rocketmq-all-4.3.2-bin-release.zip[RocketMQ最新的二进制文件]，并解压
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解压后的目录结构如下：
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```
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apache-rocketmq
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├── LICENSE
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├── NOTICE
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├── README.md
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├── benchmark
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├── bin
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├── conf
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└── lib
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```
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* 启动 NameServer
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```bash
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nohup sh bin/mqnamesrv &
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tail -f ~/logs/rocketmqlogs/namesrv.log
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```
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* 启动 Broker
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```bash
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nohup sh bin/mqbroker -n localhost:9876 &
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tail -f ~/logs/rocketmqlogs/broker.log
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```
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* 发送、接收消息
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发送消息：
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```bash
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sh bin/tools.sh org.apache.rocketmq.example.quickstart.Producer
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```
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发送成功后显示：`SendResult [sendStatus=SEND_OK, msgId= ...`
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接收消息：
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```bash
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sh bin/tools.sh org.apache.rocketmq.example.quickstart.Consumer
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```
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接收成功后显示：`ConsumeMessageThread_%d Receive New Messages: [MessageExt...`
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* 关闭 Server
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```bash
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sh bin/mqshutdown broker
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sh bin/mqshutdown namesrv
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```
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### Spring Cloud Stream 介绍
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Spring Cloud Stream 是一个用于构建基于消息的微服务应用框架。它基于 SpringBoot 来创建具有生产级别的单机 Spring 应用，并且使用 `Spring Integration` 与 Broker 进行连接。
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Spring Cloud Stream 提供了消息中间件配置的统一抽象，推出了 publish-subscribe、consumer groups、partition 这些统一的概念。
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Spring Cloud Stream 内部有两个概念：Binder 和 Binding。
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* Binder: 跟外部消息中间件集成的组件，用来创建 Binding，各消息中间件都有自己的 Binder 实现。
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比如 `Kafka` 的实现 `KafkaMessageChannelBinder`，`RabbitMQ` 的实现 `RabbitMessageChannelBinder` 以及 `RocketMQ` 的实现 `RocketMQMessageChannelBinder`。
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* Binding: 包括 Input Binding 和 Output Binding。
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Binding 在消息中间件与应用程序提供的 Provider 和 Consumer 之间提供了一个桥梁，实现了开发者只需使用应用程序的 Provider 或 Consumer 生产或消费数据即可，屏蔽了开发者与底层消息中间件的接触。
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.Spring Cloud Stream
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image::https://docs.spring.io/spring-cloud-stream/docs/current/reference/htmlsingle/images/SCSt-overview.png[]
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使用 Spring Cloud Stream 完成一段简单的消息发送和消息接收代码：
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```java
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MessageChannel messageChannel = new DirectChannel();
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// 消息订阅
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((SubscribableChannel) messageChannel).subscribe(new MessageHandler() {
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@Override
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public void handleMessage(Message<?> message) throws MessagingException {
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System.out.println("receive msg: " + message.getPayload());
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}
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});
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// 消息发送
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messageChannel.send(MessageBuilder.withPayload("simple msg").build());
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```
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这段代码所有的消息类都是 `spring-messaging` 模块里提供的。屏蔽具体消息中间件的底层实现，如果想用更换消息中间件，在配置文件里配置相关消息中间件信息以及修改 binder 依赖即可。
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**Spring Cloud Stream 底层也是基于这段代码去做了各种抽象。**
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### Spring Cloud Alibaba RocketMQ Binder 实现原理
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.RocketMQ Binder处理流程
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image::https://cdn.nlark.com/lark/0/2018/png/64647/1543560843558-24525bf4-1d0e-4e10-be5f-bdde7127f6e6.png[]
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RocketMQ Binder 的核心主要就是这3个类：`RocketMQMessageChannelBinder`，`RocketMQInboundChannelAdapter` 和 `RocketMQMessageHandler`。
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`RocketMQMessageChannelBinder` 是个标准的 Binder 实现，其内部构建 `RocketMQInboundChannelAdapter` 和 `RocketMQMessageHandler`。
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`RocketMQMessageHandler` 用于 RocketMQ `Producer` 的启动以及消息的发送，其内部会根据 `spring-messaging` 模块内 `org.springframework.messaging.Message` 消息类，去创建 RocketMQ 的消息类 `org.apache.rocketmq.common.message.Message`。
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在构造 `org.apache.rocketmq.common.message.Message` 的过程中会根据 `org.springframework.messaging.Message` 的 Header 构造成 `RocketMQMessageHeaderAccessor`。然后再根据 `RocketMQMessageHeaderAccessor` 中的一些属性，比如 tags、keys、flag等属性设置到 RocketMQ 的消息类 `org.apache.rocketmq.common.message.Message` 中。
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`RocketMQInboundChannelAdapter` 用于 RocketMQ `Consumer` 的启动以及消息的接收。其内部还支持 https://github.com/spring-projects/spring-retry[spring-retry] 的使用。
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在消费消息的时候可以从 Header 中获取 `Acknowledgement` 并进行一些设置。
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比如使用 `MessageListenerConcurrently` 进行异步消费的时候，可以设置延迟消费：
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```java
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@StreamListener("input")
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public void receive(Message message) {
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RocketMQMessageHeaderAccessor headerAccessor = new RocketMQMessageHeaderAccessor(message);
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Acknowledgement acknowledgement = headerAccessor.getAcknowledgement(message);
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acknowledgement.setConsumeConcurrentlyStatus(ConsumeConcurrentlyStatus.RECONSUME_LATER);
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acknowledgement.setConsumeConcurrentlyDelayLevel(1);
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}
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```
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比如使用 `MessageListenerOrderly` 进行顺序消费的时候，可以设置延迟消费：
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```java
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@StreamListener("input")
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public void receive(Message message) {
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RocketMQMessageHeaderAccessor headerAccessor = new RocketMQMessageHeaderAccessor(message);
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Acknowledgement acknowledgement = headerAccessor.getAcknowledgement(message);
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acknowledgement.setConsumeOrderlyStatus(ConsumeOrderlyStatus.SUSPEND_CURRENT_QUEUE_A_MOMENT);
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acknowledgement.setConsumeOrderlySuspendCurrentQueueTimeMill(5000);
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}
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```
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Provider端支持的配置：
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:frame: topbot
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[width="60%",options="header"]
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|====
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^|配置项 ^|含义 ^| 默认值
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|`spring.cloud.stream.rocketmq.bindings.your-output-binding.producer.enabled`|是否启用producer|true
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|`spring.cloud.stream.rocketmq.bindings.your-output-binding.producer.max-message-size`|消息发送的最大字节数|0(大于0才会生效，RocketMQ 默认值为4M = 1024 * 1024 * 4)
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|`spring.cloud.stream.rocketmq.bindings.your-output-binding.producer.transactional`|是否启用 `TransactionMQProducer` 发送事务消息|false
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|`spring.cloud.stream.rocketmq.bindings.your-output-binding.producer.executer`|事务消息对应的 `org.apache.rocketmq.client.producer.LocalTransactionExecuter` 接口实现类 全类名。 比如 `org.test.MyExecuter`|
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|`spring.cloud.stream.rocketmq.bindings.your-output-binding.producer.transaction-check-listener`|事务消息对应的 `org.apache.rocketmq.client.producer.TransactionCheckListener` 接口实现类 全类名。 比如 `org.test.MyTransactionCheckListener`|
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|====
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Consumer端支持的配置：
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:frame: topbot
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[width="60%",options="header"]
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|====
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^|配置项 ^|含义| 默认值
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|`spring.cloud.stream.rocketmq.bindings.your-input-binding.consumer.enabled`|是否启用consumer|true
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|`spring.cloud.stream.rocketmq.bindings.your-input-binding.consumer.tags`|Consumer订阅只有包括这些tags的topic消息。多个标签之间使用 "\|\|" 分割(不填表示不进行tags的过滤，订阅所有消息)|
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|`spring.cloud.stream.rocketmq.bindings.your-input-binding.consumer.sql`|Consumer订阅满足sql要求的topic消息(如果同时配置了tags内容，sql的优先级更高)|
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|`spring.cloud.stream.rocketmq.bindings.your-input-binding.consumer.broadcasting`|Consumer是否是广播模式|false
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|`spring.cloud.stream.rocketmq.bindings.your-input-binding.consumer.orderly`|顺序消费 or 异步消费|false
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|====
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### Endpoint支持
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在使用Endpoint特性之前需要在 Maven 中添加 `spring-boot-starter-actuator` 依赖，并在配置中允许 Endpoints 的访问。
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* Spring Boot 1.x 中添加配置 `management.security.enabled=false`。暴露的 endpoint 路径为 `/rocketmq_binder`
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* Spring Boot 2.x 中添加配置 `management.endpoints.web.exposure.include=*`。暴露的 endpoint 路径为 `/actuator/rocketmq-binder`
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Endpoint 会统计消息最后一次发送的数据，消息发送成功或失败的次数，消息消费成功或失败的次数等数据。
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```json
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{
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"runtime": {
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"lastSend.timestamp": 1542786623915
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},
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"metrics": {
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"scs-rocketmq.consumer.test-topic.totalConsumed": {
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"count": 11
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},
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"scs-rocketmq.consumer.test-topic.totalConsumedFailures": {
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"count": 0
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},
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"scs-rocketmq.producer.test-topic.totalSentFailures": {
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"count": 0
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},
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"scs-rocketmq.consumer.test-topic.consumedPerSecond": {
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"count": 11,
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"fifteenMinuteRate": 0.012163847780107841,
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"fiveMinuteRate": 0.03614605351360527,
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"meanRate": 0.3493213353657594,
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"oneMinuteRate": 0.17099243039490175
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},
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"scs-rocketmq.producer.test-topic.totalSent": {
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"count": 5
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},
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"scs-rocketmq.producer.test-topic.sentPerSecond": {
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"count": 5,
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"fifteenMinuteRate": 0.005540151995103271,
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"fiveMinuteRate": 0.01652854617838251,
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"meanRate": 0.10697493212602836,
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"oneMinuteRate": 0.07995558537067671
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},
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"scs-rocketmq.producer.test-topic.sentFailuresPerSecond": {
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"count": 0,
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"fifteenMinuteRate": 0.0,
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"fiveMinuteRate": 0.0,
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"meanRate": 0.0,
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"oneMinuteRate": 0.0
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},
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"scs-rocketmq.consumer.test-topic.consumedFailuresPerSecond": {
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"count": 0,
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"fifteenMinuteRate": 0.0,
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"fiveMinuteRate": 0.0,
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"meanRate": 0.0,
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"oneMinuteRate": 0.0
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}
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}
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}
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```
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注意：要想查看统计数据需要在pom里加上 https://mvnrepository.com/artifact/io.dropwizard.metrics/metrics-core[metrics-core依赖]。如若不加，endpoint 将会显示 warning 信息而不会显示统计信息：
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```json
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{
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"warning": "please add metrics-core dependency, we use it for metrics"
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}
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```
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@ -1,20 +1,20 @@
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== Spring Cloud Alibaba Sentinel
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### Sentinel介绍
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### Sentinel 介绍
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|
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随着微服务的流行，服务和服务之间的稳定性变得越来越重要。Sentinel 以流量为切入点，从流量控制、熔断降级、系统负载保护等多个维度保护服务的稳定性。
|
||||
随着微服务的流行，服务和服务之间的稳定性变得越来越重要。 https://github.com/alibaba/Sentinel[Sentinel] 以流量为切入点，从流量控制、熔断降级、系统负载保护等多个维度保护服务的稳定性。
|
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Sentinel 具有以下特征:
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||||
https://github.com/alibaba/Sentinel[Sentinel] 具有以下特征:
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||||
|
||||
|
||||
* *丰富的应用场景*：Sentinel 承接了阿里巴巴近 10 年的双十一大促流量的核心场景，例如秒杀（即突发流量控制在系统容量可以承受的范围）、消息削峰填谷、实时熔断下游不可用应用等。
|
||||
* *完备的实时监控*：Sentinel 同时提供实时的监控功能。您可以在控制台中看到接入应用的单台机器秒级数据，甚至 500 台以下规模的集群的汇总运行情况。
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* *广泛的开源生态*：Sentinel 提供开箱即用的与其它开源框架/库的整合模块，例如与 Spring Cloud、Dubbo、gRPC 的整合。您只需要引入相应的依赖并进行简单的配置即可快速地接入 Sentinel。
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* *完善的 SPI 扩展点*：Sentinel 提供简单易用、完善的 SPI 扩展点。您可以通过实现扩展点，快速的定制逻辑。例如定制规则管理、适配数据源等。
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* *丰富的应用场景*： Sentinel 承接了阿里巴巴近 10 年的双十一大促流量的核心场景，例如秒杀（即突发流量控制在系统容量可以承受的范围）、消息削峰填谷、实时熔断下游不可用应用等。
|
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* *完备的实时监控*： Sentinel 同时提供实时的监控功能。您可以在控制台中看到接入应用的单台机器秒级数据，甚至 500 台以下规模的集群的汇总运行情况。
|
||||
* *广泛的开源生态*： Sentinel 提供开箱即用的与其它开源框架/库的整合模块，例如与 Spring Cloud、Dubbo、gRPC 的整合。您只需要引入相应的依赖并进行简单的配置即可快速地接入 Sentinel。
|
||||
* *完善的 SPI 扩展点*： Sentinel 提供简单易用、完善的 SPI 扩展点。您可以通过实现扩展点，快速的定制逻辑。例如定制规则管理、适配数据源等。
|
||||
|
||||
### 如何使用Sentinel
|
||||
### 如何使用 Sentinel
|
||||
|
||||
如果要在您的项目中引入Sentinel，使用group ID为 `org.springframework.cloud` 和artifact ID为 `spring-cloud-starter-alibaba-sentinel` 的starter。
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||||
如果要在您的项目中引入 Sentinel，使用 group ID 为 `org.springframework.cloud` 和 artifact ID 为 `spring-cloud-starter-alibaba-sentinel` 的 starter。
|
||||
|
||||
```xml
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||||
<dependency>
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||||
@ -23,7 +23,7 @@ Sentinel 具有以下特征:
|
||||
</dependency>
|
||||
```
|
||||
|
||||
下面这个例子就是一个最简单的使用Sentinel的例子:
|
||||
下面这个例子就是一个最简单的使用 Sentinel 的例子:
|
||||
|
||||
```java
|
||||
@SpringBootApplication
|
||||
@ -47,9 +47,9 @@ public class TestController {
|
||||
}
|
||||
```
|
||||
|
||||
@SentinelResource注解用来标识资源是否被限流、降级。上述例子上该注解的属性'hello'表示资源名。
|
||||
@SentinelResource 注解用来标识资源是否被限流、降级。上述例子上该注解的属性 'hello' 表示资源名。
|
||||
|
||||
@SentinelResource还提供了其它额外的属性如 `blockHandler`，`blockHandlerClass`，`fallback` 用于表示限流或降级的操作，更多内容可以参考 https://github.com/alibaba/Sentinel/wiki/%E6%B3%A8%E8%A7%A3%E6%94%AF%E6%8C%81[Sentinel注解支持]。
|
||||
@SentinelResource 还提供了其它额外的属性如 `blockHandler`，`blockHandlerClass`，`fallback` 用于表示限流或降级的操作，更多内容可以参考 https://github.com/alibaba/Sentinel/wiki/%E6%B3%A8%E8%A7%A3%E6%94%AF%E6%8C%81[Sentinel注解支持]。
|
||||
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||||
##### Sentinel 控制台
|
||||
|
||||
@ -74,7 +74,7 @@ image::https://github.com/alibaba/Sentinel/wiki/image/dashboard.png[]
|
||||
|
||||
###### 启动控制台
|
||||
|
||||
Sentinel 控制台是一个标准的SpringBoot应用，以SpringBoot的方式运行jar包即可。
|
||||
Sentinel 控制台是一个标准的 SpringBoot 应用，以 SpringBoot 的方式运行 jar 包即可。
|
||||
|
||||
```shell
|
||||
java -Dserver.port=8080 -Dcsp.sentinel.dashboard.server=localhost:8080 -Dproject.name=sentinel-dashboard -jar sentinel-dashboard.jar
|
||||
@ -94,27 +94,73 @@ spring:
|
||||
dashboard: localhost:8080
|
||||
----
|
||||
|
||||
这里的 `spring.cloud.sentinel.transport.port` 端口配置会在应用对应的机器上启动一个Http Server，该Serve会与Sentinel控制台做交互。比如Sentinel控制台添加了1个限流规则，会把规则数据push给这个Http Server接受，Http Server再将规则注册到Sentinel中。
|
||||
这里的 `spring.cloud.sentinel.transport.port` 端口配置会在应用对应的机器上启动一个 Http Server，该 Server 会与 Sentinel 控制台做交互。比如 Sentinel 控制台添加了1个限流规则，会把规则数据 push 给这个 Http Server 接收，Http Server 再将规则注册到 Sentinel 中。
|
||||
|
||||
更多Sentinel控制台的使用及问题参考： https://github.com/alibaba/Sentinel/wiki/%E6%8E%A7%E5%88%B6%E5%8F%B0[Sentinel控制台]
|
||||
更多 Sentinel 控制台的使用及问题参考： https://github.com/alibaba/Sentinel/wiki/%E6%8E%A7%E5%88%B6%E5%8F%B0[Sentinel控制台]
|
||||
|
||||
### Feign支持
|
||||
### Feign 支持
|
||||
|
||||
DOING
|
||||
Sentinel 适配了 https://github.com/OpenFeign/feign[Feign] 组件。如果想使用，除了引入 `sentinel-starter` 的依赖外还需要 3 个步骤：
|
||||
|
||||
### RestTemplate支持
|
||||
* 配置文件打开 sentinel 对 feign 的支持：`feign.sentinel.enabled=true`
|
||||
* 加入 `feign starter` 依赖触发 `sentinel starter` 的配置类生效：
|
||||
```xml
|
||||
<dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-openfeign</artifactId>
|
||||
</dependency>
|
||||
```
|
||||
* `feign` 内部的 `loadbalance` 功能依赖 Netflix 的 `ribbon` 模块(如果不使用 `loadbalance` 功能可不引入)：
|
||||
```xml
|
||||
<dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
|
||||
</dependency>
|
||||
```
|
||||
|
||||
Spring Cloud Alibaba Sentinel支持对 `RestTemplate` 的服务调用使用Sentinel进行保护，在构造 `RestTemplate` bean的时候需要加上 `@SentinelProtect` 注解。
|
||||
这是一个 `FeignClient` 对应的接口：
|
||||
|
||||
```java
|
||||
@FeignClient(name = "service-provider", fallback = EchoServiceFallback.class, configuration = FeignConfiguration.class)
|
||||
public interface EchoService {
|
||||
@RequestMapping(value = "/echo/{str}", method = RequestMethod.GET)
|
||||
String echo(@PathVariable("str") String str);
|
||||
}
|
||||
|
||||
class FeignConfiguration {
|
||||
@Bean
|
||||
public EchoServiceFallback echoServiceFallback() {
|
||||
return new EchoServiceFallback();
|
||||
}
|
||||
}
|
||||
|
||||
class EchoServiceFallback implements EchoService {
|
||||
@Override
|
||||
public String echo(@PathVariable("str") String str) {
|
||||
return "echo fallback";
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
NOTE: Feign 对应的接口中的资源名策略定义：httpmethod:protocol://requesturl
|
||||
|
||||
`EchoService` 接口中方法 `echo` 对应的资源名为 `GET:http://service-provider/echo/{str}`。
|
||||
|
||||
请注意：`@FeignClient` 注解中的所有属性，Sentinel 都做了兼容。
|
||||
|
||||
### RestTemplate 支持
|
||||
|
||||
Spring Cloud Alibaba Sentinel 支持对 `RestTemplate` 的服务调用使用 Sentinel 进行保护，在构造 `RestTemplate` bean的时候需要加上 `@SentinelRestTemplate` 注解。
|
||||
|
||||
```java
|
||||
@Bean
|
||||
@SentinelProtect(blockHandler = "handleException", blockHandlerClass = ExceptionUtil.class)
|
||||
@SentinelRestTemplate(blockHandler = "handleException", blockHandlerClass = ExceptionUtil.class)
|
||||
public RestTemplate restTemplate() {
|
||||
return new RestTemplate();
|
||||
}
|
||||
```
|
||||
|
||||
`@SentinelProtect` 注解的参数跟 `@SentinelResource` 一致，使用方式也一致。
|
||||
`@SentinelRestTemplate` 注解的参数跟 `@SentinelResource` 一致，使用方式也一致。
|
||||
|
||||
限流的资源规则提供两种粒度：
|
||||
|
||||
@ -122,12 +168,13 @@ public RestTemplate restTemplate() {
|
||||
|
||||
* `schema://host:port`：协议、主机和端口
|
||||
|
||||
NOTE: 以 `https://www.taobao.com/test` 这个url为例。对应的资源名有两种粒度，分别是 `https://www.taobao.com:80` 以及 `https://www.taobao.com:80/test`
|
||||
|
||||
NOTE: 以 `https://www.taobao.com/test` 这个 url 为例。对应的资源名有两种粒度，分别是 `https://www.taobao.com:80` 以及 `https://www.taobao.com:80/test`
|
||||
|
||||
### 动态数据源支持
|
||||
|
||||
*在版本 0.2.0.RELEASE 或 0.1.0.RELEASE 之前*，要在Spring Cloud Alibaba Sentinel下使用动态数据源，需要3个步骤：
|
||||
#### 在版本 0.2.0.RELEASE 或 0.1.0.RELEASE 之前
|
||||
|
||||
需要3个步骤才可完成数据源的配置：
|
||||
|
||||
* 配置文件中定义数据源信息。比如使用文件：
|
||||
|
||||
@ -141,7 +188,7 @@ spring.cloud.sentinel.datasource.converter=flowConverter
|
||||
spring.cloud.sentinel.datasource.file=/Users/you/yourrule.json
|
||||
----
|
||||
|
||||
* 创建一个Converter类实现 `com.alibaba.csp.sentinel.datasource.Converter` 接口，并且需要在 `ApplicationContext` 中有该类的一个Bean
|
||||
* 创建一个 Converter 类实现 `com.alibaba.csp.sentinel.datasource.Converter` 接口，并且需要在 `ApplicationContext` 中有该类的一个 Bean
|
||||
|
||||
```java
|
||||
@Component("flowConverter")
|
||||
@ -154,7 +201,7 @@ public class JsonFlowRuleListParser implements Converter<String, List<FlowRule>>
|
||||
}
|
||||
```
|
||||
|
||||
这个Converter的bean name需要跟 `application.properties` 配置文件中的converter配置一致
|
||||
这个 Converter 的 bean name 需要跟 `application.properties` 配置文件中的 converter 配置一致
|
||||
|
||||
* 在任意一个 Spring Bean 中定义一个被 `@SentinelDataSource` 注解修饰的 `ReadableDataSource` 属性
|
||||
|
||||
@ -163,7 +210,7 @@ public class JsonFlowRuleListParser implements Converter<String, List<FlowRule>>
|
||||
private ReadableDataSource dataSource;
|
||||
```
|
||||
|
||||
`@SentinelDataSource` 注解的value属性表示数据源在 `application.properties` 配置文件中前缀。 该在例子中，前缀为 `spring.cloud.sentinel.datasource` 。
|
||||
`@SentinelDataSource` 注解的 value 属性表示数据源在 `application.properties` 配置文件中前缀。 该在例子中，前缀为 `spring.cloud.sentinel.datasource` 。
|
||||
|
||||
如果 `ApplicationContext` 中存在超过1个 `ReadableDataSource` bean，那么不会加载这些 `ReadableDataSource` 中的任意一个。 只有在 `ApplicationContext` 存在一个 `ReadableDataSource` 的情况下才会生效。
|
||||
|
||||
@ -173,7 +220,9 @@ private ReadableDataSource dataSource;
|
||||
[Sentinel Starter] load 3 flow rules
|
||||
```
|
||||
|
||||
*在版本 0.2.0.RELEASE 或 0.1.0.RELEASE 之后*，要在Spring Cloud Alibaba Sentinel下使用动态数据源，只需要1个步骤：
|
||||
#### 在版本 0.2.0.RELEASE 或 0.1.0.RELEASE 之后
|
||||
|
||||
只需要1个步骤就可完成数据源的配置：
|
||||
|
||||
* 直接在 `application.properties` 配置文件中配置数据源信息即可
|
||||
|
||||
@ -196,23 +245,23 @@ spring.cloud.sentinel.datasource.ds4.apollo.default-flow-rule-value = test
|
||||
|
||||
```
|
||||
|
||||
这样配置方式参考了Spring Cloud Stream Binder的配置，内部使用了 `TreeMap` 进行存储，comparator为 `String.CASE_INSENSITIVE_ORDER` 。
|
||||
这样配置方式参考了 Spring Cloud Stream Binder 的配置，内部使用了 `TreeMap` 进行存储，comparator 为 `String.CASE_INSENSITIVE_ORDER` 。
|
||||
|
||||
NOTE: d1, ds2, ds3, ds4 是 `ReadableDataSource` 的名字，可随意编写。后面的 `file` ，`zk` ，`nacos` , `apollo` 就是对应具体的数据源。 它们后面的配置就是这些数据源各自的配置。
|
||||
|
||||
每种数据源都有两个共同的配置项： `data-type` 和 `converter-class` 。
|
||||
|
||||
`data-type` 配置项表示 `Converter`，Spring Cloud Alibaba Sentinel默认提供两种内置的值，分别是 `json` 和 `xml` (不填默认是json)。 如果不想使用内置的 `json` 或 `xml` 这两种 `Converter`，可以填写 `custom` 表示自定义 `Converter`，然后再配置 `converter-class` 配置项，该配置项需要写类的全路径名。
|
||||
`data-type` 配置项表示 `Converter`，Spring Cloud Alibaba Sentinel 默认提供两种内置的值，分别是 `json` 和 `xml` (不填默认是json)。 如果不想使用内置的 `json` 或 `xml` 这两种 `Converter`，可以填写 `custom` 表示自定义 `Converter`，然后再配置 `converter-class` 配置项，该配置项需要写类的全路径名。
|
||||
|
||||
这两种内置的 `Converter` 只支持解析 json数组 或 xml数组。内部解析的时候会自动判断每个json对象或xml对象属于哪4种Sentinel规则(`FlowRule`，`DegradeRule`，`SystemRule`，`AuthorityRule`)。
|
||||
这两种内置的 `Converter` 只支持解析 json 数组 或 xml 数组。内部解析的时候会自动判断每个 json 对象或xml对象属于哪4种 Sentinel 规则(`FlowRule`，`DegradeRule`，`SystemRule`，`AuthorityRule`)。
|
||||
|
||||
比如10个规则数组里解析出5个限流规则和5个降级规则。 这种情况下该数据源不会注册，日志里页会进行警告。
|
||||
|
||||
如果10个规则里有9个限流规则，1个解析报错了。这种情况下日志会警告有个规则格式错误，另外9个限流规则会注册上去。
|
||||
|
||||
这里json或xml解析用的是 `jackson`。`ObjectMapper` 或 `XmlMapper` 使用默认的配置，遇到不认识的字段会解析报错。 因为不这样做的话限流 json 也会解析成 系统规则(系统规则所有的配置都有默认值)，所以需要这样严格解析。
|
||||
这里 json 或 xml 解析用的是 `jackson`。`ObjectMapper` 或 `XmlMapper` 使用默认的配置，遇到不认识的字段会解析报错。 因为不这样做的话限流 json 也会解析成 系统规则(系统规则所有的配置都有默认值)，所以需要这样严格解析。
|
||||
|
||||
当然还有一种情况是json对象或xml对象可能会匹配上所有4种规则(比如json对象里只配了 `resource` 字段，那么会匹配上4种规则)，这种情况下日志里会警告，并且过滤掉这个对象。
|
||||
当然还有一种情况是 json 对象或 xml 对象可能会匹配上所有4种规则(比如json对象里只配了 `resource` 字段，那么会匹配上4种规则)，这种情况下日志里会警告，并且过滤掉这个对象。
|
||||
|
||||
用户使用这种配置的时候只需要填写正确的json或xml就行，有任何不合理的信息都会在日志里打印出来。
|
||||
|
||||
@ -223,19 +272,29 @@ NOTE: d1, ds2, ds3, ds4 是 `ReadableDataSource` 的名字，可随意编写。
|
||||
[Sentinel Starter] DataSource ds2-sentinel-nacos-datasource load 2 FlowRule
|
||||
```
|
||||
|
||||
NOTE: 默认情况下，xml格式是不支持的。需要添加 `jackson-dataformat-xml` 依赖后才会自动生效。
|
||||
NOTE: 默认情况下，xml 格式是不支持的。需要添加 `jackson-dataformat-xml` 依赖后才会自动生效。
|
||||
|
||||
关于Sentinel动态数据源的实现原理，参考： https://github.com/alibaba/Sentinel/wiki/%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%99%E6%89%A9%E5%B1%95[动态规则扩展]
|
||||
关于 Sentinel 动态数据源的实现原理，参考： https://github.com/alibaba/Sentinel/wiki/%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%99%E6%89%A9%E5%B1%95[动态规则扩展]
|
||||
|
||||
### Endpoint支持
|
||||
### Endpoint 支持
|
||||
|
||||
在使用Endpoint特性之前需要在 Maven 中添加 `spring-boot-starter-actuator` 依赖，并在配置中允许 Endpoints 的访问。
|
||||
在使用 Endpoint 特性之前需要在 Maven 中添加 `spring-boot-starter-actuator` 依赖，并在配置中允许 Endpoints 的访问。
|
||||
|
||||
* Spring Boot 1.x 中添加配置 `management.security.enabled=false`。暴露的endpoint路径为 `/sentinel`
|
||||
* Spring Boot 2.x 中添加配置 `management.endpoints.web.exposure.include=*`。暴露的endpoint路径为 `/actuator/sentinel`
|
||||
* Spring Boot 1.x 中添加配置 `management.security.enabled=false`。暴露的 endpoint 路径为 `/sentinel`
|
||||
* Spring Boot 2.x 中添加配置 `management.endpoints.web.exposure.include=*`。暴露的 endpoint 路径为 `/actuator/sentinel`
|
||||
|
||||
### More
|
||||
|
||||
下表显示当应用的 `ApplicationContext` 中存在对应的Bean的类型时，会进行的一些操作：
|
||||
|
||||
:frame: topbot
|
||||
[width="60%",options="header"]
|
||||
|====
|
||||
^|存在Bean的类型 ^|操作 ^|作用
|
||||
|`UrlCleaner`|`WebCallbackManager.setUrlCleaner(urlCleaner)`|资源清理(资源（比如将满足 /foo/:id 的 URL 都归到 /foo/* 资源下）)
|
||||
|`UrlBlockHandler`|`WebCallbackManager.setUrlBlockHandler(urlBlockHandler)`|自定义限流处理逻辑
|
||||
|====
|
||||
|
||||
下表显示 Spring Cloud Alibaba Sentinel 的所有配置信息：
|
||||
|
||||
:frame: topbot
|
||||
@ -244,14 +303,16 @@ NOTE: 默认情况下，xml格式是不支持的。需要添加 `jackson-datafor
|
||||
^|配置项 ^|含义 ^|默认值
|
||||
|`spring.cloud.sentinel.enabled`|Sentinel自动化配置是否生效|true
|
||||
|`spring.cloud.sentinel.eager`|取消Sentinel控制台懒加载|false
|
||||
|`spring.cloud.sentinel.charset`|metric文件字符集|UTF-8
|
||||
|`spring.cloud.sentinel.transport.port`|应用与Sentinel控制台交互的端口，应用本地会起一个该端口占用的HttpServer|8721
|
||||
|`spring.cloud.sentinel.transport.dashboard`|Sentinel 控制台地址|
|
||||
|`spring.cloud.sentinel.transport.heartbeatIntervalMs`|应用与Sentinel控制台的心跳间隔时间|
|
||||
|`spring.cloud.sentinel.filter.order`|Servlet Filter的加载顺序。Starter内部会构造这个filter|Integer.MIN_VALUE
|
||||
|`spring.cloud.sentinel.filter.spring.url-patterns`|数据类型是数组。表示Servlet Filter的url pattern集合|/*
|
||||
|`spring.cloud.sentinel.metric.charset`|metric文件字符集|UTF-8
|
||||
|`spring.cloud.sentinel.metric.fileSingleSize`|Sentinel metric 单个文件的大小|
|
||||
|`spring.cloud.sentinel.metric.fileTotalCount`|Sentinel metric 总文件数量|
|
||||
|`spring.cloud.sentinel.log.dir`|Sentinel 日志文件所在的目录|
|
||||
|`spring.cloud.sentinel.log.switch-pid`|Sentinel 日志文件名是否需要带上pid|false
|
||||
|`spring.cloud.sentinel.servlet.blockPage`| 自定义的跳转 URL，当请求被限流时会自动跳转至设定好的 URL |
|
||||
|`spring.cloud.sentinel.flow.coldFactor`| https://github.com/alibaba/Sentinel/wiki/%E9%99%90%E6%B5%81---%E5%86%B7%E5%90%AF%E5%8A%A8[冷启动因子] |3
|
||||
|====
|
||||
|
||||
@ -0,0 +1,18 @@
|
||||
package org.springframework.cloud.alibaba.cloud.examples;
|
||||
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionState;
|
||||
import org.apache.rocketmq.client.producer.TransactionCheckListener;
|
||||
import org.apache.rocketmq.common.message.MessageExt;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
public class MyTransactionCheckListener implements TransactionCheckListener {
|
||||
|
||||
@Override
|
||||
public LocalTransactionState checkLocalTransactionState(MessageExt msg) {
|
||||
System.out.println("TransactionCheckListener: " + new String(msg.getBody()));
|
||||
return LocalTransactionState.COMMIT_MESSAGE;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,20 @@
|
||||
package org.springframework.cloud.alibaba.cloud.examples;
|
||||
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionExecuter;
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionState;
|
||||
import org.apache.rocketmq.common.message.Message;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
public class MyTransactionExecuter implements LocalTransactionExecuter {
|
||||
@Override
|
||||
public LocalTransactionState executeLocalTransactionBranch(Message msg, Object arg) {
|
||||
if ("1".equals(msg.getUserProperty("test"))) {
|
||||
System.out.println(new String(msg.getBody()) + " rollback");
|
||||
return LocalTransactionState.ROLLBACK_MESSAGE;
|
||||
}
|
||||
System.out.println(new String(msg.getBody()) + " commit");
|
||||
return LocalTransactionState.COMMIT_MESSAGE;
|
||||
}
|
||||
}
|
||||
@ -30,4 +30,9 @@ public class ReceiveService {
|
||||
System.out.println("input1 receive again: " + receiveMsg);
|
||||
}
|
||||
|
||||
@StreamListener("input4")
|
||||
public void receiveTransactionalMsg(String transactionMsg) {
|
||||
System.out.println("input4 receive transaction msg: " + transactionMsg);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -5,17 +5,19 @@ import org.springframework.boot.CommandLineRunner;
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.cloud.alibaba.cloud.examples.RocketMQApplication.MySink;
|
||||
import org.springframework.cloud.alibaba.cloud.examples.RocketMQApplication.MySource;
|
||||
import org.springframework.cloud.stream.annotation.EnableBinding;
|
||||
import org.springframework.cloud.stream.annotation.Input;
|
||||
import org.springframework.cloud.stream.messaging.Source;
|
||||
import org.springframework.cloud.stream.annotation.Output;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.messaging.MessageChannel;
|
||||
import org.springframework.messaging.SubscribableChannel;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
@SpringBootApplication
|
||||
@EnableBinding({ Source.class, MySink.class })
|
||||
@EnableBinding({ MySource.class, MySink.class })
|
||||
public class RocketMQApplication {
|
||||
|
||||
public interface MySink {
|
||||
@ -29,17 +31,33 @@ public class RocketMQApplication {
|
||||
@Input("input3")
|
||||
SubscribableChannel input3();
|
||||
|
||||
@Input("input4")
|
||||
SubscribableChannel input4();
|
||||
|
||||
}
|
||||
|
||||
public interface MySource {
|
||||
@Output("output1")
|
||||
MessageChannel output1();
|
||||
|
||||
@Output("output2")
|
||||
MessageChannel output2();
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(RocketMQApplication.class, args);
|
||||
}
|
||||
}
|
||||
|
||||
@Bean
|
||||
public CustomRunner customRunner() {
|
||||
return new CustomRunner();
|
||||
}
|
||||
|
||||
@Bean
|
||||
public CustomRunnerWithTransactional customRunnerWithTransactional() {
|
||||
return new CustomRunnerWithTransactional();
|
||||
}
|
||||
|
||||
public static class CustomRunner implements CommandLineRunner {
|
||||
@Autowired
|
||||
private SenderService senderService;
|
||||
@ -62,4 +80,21 @@ public class RocketMQApplication {
|
||||
}
|
||||
}
|
||||
|
||||
public static class CustomRunnerWithTransactional implements CommandLineRunner {
|
||||
@Autowired
|
||||
private SenderService senderService;
|
||||
|
||||
@Override
|
||||
public void run(String... args) throws Exception {
|
||||
// COMMIT_MESSAGE message
|
||||
senderService.sendTransactionalMsg("transactional-msg1", false);
|
||||
// ROLLBACK_MESSAGE message
|
||||
senderService.sendTransactionalMsg("transactional-msg2", true);
|
||||
// ROLLBACK_MESSAGE message
|
||||
senderService.sendTransactionalMsg("transactional-msg3", true);
|
||||
// COMMIT_MESSAGE message
|
||||
senderService.sendTransactionalMsg("transactional-msg4", false);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -5,7 +5,7 @@ import java.util.Map;
|
||||
|
||||
import org.apache.rocketmq.common.message.MessageConst;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.cloud.stream.messaging.Source;
|
||||
import org.springframework.cloud.alibaba.cloud.examples.RocketMQApplication.MySource;
|
||||
import org.springframework.messaging.Message;
|
||||
import org.springframework.messaging.MessageHeaders;
|
||||
import org.springframework.messaging.support.MessageBuilder;
|
||||
@ -19,17 +19,17 @@ import org.springframework.util.MimeTypeUtils;
|
||||
public class SenderService {
|
||||
|
||||
@Autowired
|
||||
private Source source;
|
||||
private MySource source;
|
||||
|
||||
public void send(String msg) throws Exception {
|
||||
source.output().send(MessageBuilder.withPayload(msg).build());
|
||||
source.output1().send(MessageBuilder.withPayload(msg).build());
|
||||
}
|
||||
|
||||
public <T> void sendWithTags(T msg, String tag) throws Exception {
|
||||
Map<String, Object> map = new HashMap<>();
|
||||
map.put(MessageConst.PROPERTY_TAGS, tag);
|
||||
Message message = MessageBuilder.createMessage(msg, new MessageHeaders(map));
|
||||
source.output().send(message);
|
||||
source.output1().send(message);
|
||||
}
|
||||
|
||||
public <T> void sendObject(T msg, String tag) throws Exception {
|
||||
@ -37,7 +37,17 @@ public class SenderService {
|
||||
.setHeader(MessageConst.PROPERTY_TAGS, tag)
|
||||
.setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON)
|
||||
.build();
|
||||
source.output().send(message);
|
||||
source.output1().send(message);
|
||||
}
|
||||
|
||||
public <T> void sendTransactionalMsg(T msg, boolean error) throws Exception {
|
||||
MessageBuilder builder = MessageBuilder.withPayload(msg)
|
||||
.setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON);
|
||||
if (error) {
|
||||
builder.setHeader("test", "1");
|
||||
}
|
||||
Message message = builder.build();
|
||||
source.output2().send(message);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -2,8 +2,14 @@ spring.cloud.stream.default-binder=rocketmq
|
||||
|
||||
spring.cloud.stream.rocketmq.binder.namesrv-addr=127.0.0.1:9876
|
||||
|
||||
spring.cloud.stream.bindings.output.destination=test-topic
|
||||
spring.cloud.stream.bindings.output.content-type=application/json
|
||||
spring.cloud.stream.bindings.output1.destination=test-topic
|
||||
spring.cloud.stream.bindings.output1.content-type=application/json
|
||||
|
||||
spring.cloud.stream.bindings.output2.destination=TransactionTopic
|
||||
spring.cloud.stream.bindings.output2.content-type=application/json
|
||||
spring.cloud.stream.rocketmq.bindings.output2.producer.transactional=true
|
||||
spring.cloud.stream.rocketmq.bindings.output2.producer.executer=org.springframework.cloud.alibaba.cloud.examples.MyTransactionExecuter
|
||||
spring.cloud.stream.rocketmq.bindings.output2.producer.transaction-check-listener=org.springframework.cloud.alibaba.cloud.examples.MyTransactionCheckListener
|
||||
|
||||
spring.cloud.stream.bindings.input1.destination=test-topic
|
||||
spring.cloud.stream.bindings.input1.content-type=text/plain
|
||||
@ -26,5 +32,12 @@ spring.cloud.stream.rocketmq.bindings.input3.consumer.tags=tagObj
|
||||
spring.cloud.stream.bindings.input3.consumer.concurrency=20
|
||||
spring.cloud.stream.bindings.input3.consumer.maxAttempts=1
|
||||
|
||||
spring.cloud.stream.bindings.input4.destination=TransactionTopic
|
||||
spring.cloud.stream.bindings.input4.content-type=text/plain
|
||||
spring.cloud.stream.bindings.input4.group=transaction-group
|
||||
spring.cloud.stream.bindings.input4.consumer.concurrency=210
|
||||
|
||||
spring.application.name=rocketmq-example
|
||||
|
||||
server.port=28081
|
||||
management.security.enabled=false
|
||||
@ -19,7 +19,6 @@ package org.springframework.cloud.alibaba.sentinel.custom;
|
||||
import javax.annotation.PostConstruct;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.beans.factory.annotation.Qualifier;
|
||||
import org.springframework.beans.factory.annotation.Value;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
|
||||
@ -156,26 +155,22 @@ public class SentinelAutoConfiguration {
|
||||
}
|
||||
|
||||
@Bean("sentinel-json-converter")
|
||||
public JsonConverter jsonConverter(
|
||||
@Qualifier("sentinel-object-mapper") ObjectMapper objectMapper) {
|
||||
return new JsonConverter(objectMapper);
|
||||
public JsonConverter jsonConverter() {
|
||||
return new JsonConverter(objectMapper());
|
||||
}
|
||||
|
||||
@Bean("sentinel-object-mapper")
|
||||
public ObjectMapper objectMapper() {
|
||||
private ObjectMapper objectMapper() {
|
||||
return new ObjectMapper();
|
||||
}
|
||||
|
||||
@ConditionalOnClass(XmlMapper.class)
|
||||
protected static class SentinelXmlConfiguration {
|
||||
@Bean("sentinel-xml-converter")
|
||||
public XmlConverter xmlConverter(
|
||||
@Qualifier("sentinel-xml-mapper") XmlMapper xmlMapper) {
|
||||
return new XmlConverter(xmlMapper);
|
||||
public XmlConverter xmlConverter() {
|
||||
return new XmlConverter(xmlMapper());
|
||||
}
|
||||
|
||||
@Bean("sentinel-xml-mapper")
|
||||
public XmlMapper xmlMapper() {
|
||||
private XmlMapper xmlMapper() {
|
||||
return new XmlMapper();
|
||||
}
|
||||
}
|
||||
|
||||
@ -89,13 +89,14 @@ public class SentinelFeign {
|
||||
// check fallback and fallbackFactory properties
|
||||
if (void.class != fallback) {
|
||||
fallbackInstance = getFromContext(name, "fallback", fallback,
|
||||
target);
|
||||
target.type());
|
||||
return new SentinelInvocationHandler(target, dispatch,
|
||||
new FallbackFactory.Default(fallbackInstance));
|
||||
}
|
||||
if (void.class != fallbackFactory) {
|
||||
fallbackFactoryInstance = (FallbackFactory) getFromContext(name,
|
||||
"fallbackFactory", fallbackFactory, target);
|
||||
"fallbackFactory", fallbackFactory,
|
||||
FallbackFactory.class);
|
||||
return new SentinelInvocationHandler(target, dispatch,
|
||||
fallbackFactoryInstance);
|
||||
}
|
||||
@ -103,7 +104,7 @@ public class SentinelFeign {
|
||||
}
|
||||
|
||||
private Object getFromContext(String name, String type,
|
||||
Class fallbackType, Target target) {
|
||||
Class fallbackType, Class targetType) {
|
||||
Object fallbackInstance = feignContext.getInstance(name,
|
||||
fallbackType);
|
||||
if (fallbackInstance == null) {
|
||||
@ -112,10 +113,10 @@ public class SentinelFeign {
|
||||
type, fallbackType, name));
|
||||
}
|
||||
|
||||
if (!target.type().isAssignableFrom(fallbackType)) {
|
||||
if (!targetType.isAssignableFrom(fallbackType)) {
|
||||
throw new IllegalStateException(String.format(
|
||||
"Incompatible %s instance. Fallback/fallbackFactory of type %s is not assignable to %s for feign client %s",
|
||||
type, fallbackType, target.type(), name));
|
||||
type, fallbackType, targetType, name));
|
||||
}
|
||||
return fallbackInstance;
|
||||
}
|
||||
|
||||
@ -21,7 +21,7 @@ package org.springframework.cloud.stream.binder.rocketmq;
|
||||
*/
|
||||
public interface RocketMQBinderConstants {
|
||||
|
||||
String ENDPOINT_ID = "rocketmq_binder";
|
||||
String ENDPOINT_ID = "rocketmq_binder";
|
||||
|
||||
/**
|
||||
* Header key
|
||||
@ -32,6 +32,8 @@ public interface RocketMQBinderConstants {
|
||||
|
||||
String ROCKET_SEND_RESULT = "ROCKETMQ_SEND_RESULT";
|
||||
|
||||
String ROCKET_TRANSACTIONAL_ARG = "ROCKETMQ_TRANSACTIONAL_ARG";
|
||||
|
||||
String ACKNOWLEDGEMENT_KEY = "ACKNOWLEDGEMENT";
|
||||
|
||||
/**
|
||||
@ -39,23 +41,23 @@ public interface RocketMQBinderConstants {
|
||||
*/
|
||||
String LASTSEND_TIMESTAMP = "lastSend.timestamp";
|
||||
|
||||
interface Metrics {
|
||||
interface Producer {
|
||||
String PREFIX = "scs-rocketmq.producer.";
|
||||
String TOTAL_SENT = "totalSent";
|
||||
String TOTAL_SENT_FAILURES = "totalSentFailures";
|
||||
String SENT_PER_SECOND = "sentPerSecond";
|
||||
String SENT_FAILURES_PER_SECOND = "sentFailuresPerSecond";
|
||||
}
|
||||
interface Metrics {
|
||||
interface Producer {
|
||||
String PREFIX = "scs-rocketmq.producer.";
|
||||
String TOTAL_SENT = "totalSent";
|
||||
String TOTAL_SENT_FAILURES = "totalSentFailures";
|
||||
String SENT_PER_SECOND = "sentPerSecond";
|
||||
String SENT_FAILURES_PER_SECOND = "sentFailuresPerSecond";
|
||||
}
|
||||
|
||||
interface Consumer {
|
||||
String GROUP_PREFIX = "scs-rocketmq.consumerGroup.";
|
||||
String PREFIX = "scs-rocketmq.consumer.";
|
||||
String TOTAL_CONSUMED = "totalConsumed";
|
||||
String CONSUMED_PER_SECOND = "consumedPerSecond";
|
||||
String TOTAL_CONSUMED_FAILURES = "totalConsumedFailures";
|
||||
String CONSUMED_FAILURES_PER_SECOND = "consumedFailuresPerSecond";
|
||||
}
|
||||
}
|
||||
interface Consumer {
|
||||
String GROUP_PREFIX = "scs-rocketmq.consumerGroup.";
|
||||
String PREFIX = "scs-rocketmq.consumer.";
|
||||
String TOTAL_CONSUMED = "totalConsumed";
|
||||
String CONSUMED_PER_SECOND = "consumedPerSecond";
|
||||
String TOTAL_CONSUMED_FAILURES = "totalConsumedFailures";
|
||||
String CONSUMED_FAILURES_PER_SECOND = "consumedFailuresPerSecond";
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -16,6 +16,9 @@
|
||||
|
||||
package org.springframework.cloud.stream.binder.rocketmq;
|
||||
|
||||
import org.apache.commons.lang3.StringUtils;
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionExecuter;
|
||||
import org.apache.rocketmq.client.producer.TransactionCheckListener;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.cloud.stream.binder.AbstractMessageChannelBinder;
|
||||
@ -36,6 +39,7 @@ import org.springframework.cloud.stream.provisioning.ProducerDestination;
|
||||
import org.springframework.integration.core.MessageProducer;
|
||||
import org.springframework.messaging.MessageChannel;
|
||||
import org.springframework.messaging.MessageHandler;
|
||||
import org.springframework.util.ClassUtils;
|
||||
|
||||
/**
|
||||
* @author Timur Valiev
|
||||
@ -71,9 +75,24 @@ public class RocketMQMessageChannelBinder extends
|
||||
ExtendedProducerProperties<RocketMQProducerProperties> producerProperties,
|
||||
MessageChannel errorChannel) throws Exception {
|
||||
if (producerProperties.getExtension().getEnabled()) {
|
||||
return new RocketMQMessageHandler(destination.getName(),
|
||||
producerProperties.getExtension(),
|
||||
RocketMQMessageHandler messageHandler = new RocketMQMessageHandler(
|
||||
destination.getName(), producerProperties,
|
||||
rocketBinderConfigurationProperties, instrumentationManager);
|
||||
if (producerProperties.getExtension().getTransactional()) {
|
||||
// transaction message check LocalTransactionExecuter
|
||||
messageHandler.setLocalTransactionExecuter(
|
||||
getClassConfiguration(destination.getName(),
|
||||
producerProperties.getExtension().getExecuter(),
|
||||
LocalTransactionExecuter.class));
|
||||
// transaction message check TransactionCheckListener
|
||||
messageHandler.setTransactionCheckListener(
|
||||
getClassConfiguration(destination.getName(),
|
||||
producerProperties.getExtension()
|
||||
.getTransactionCheckListener(),
|
||||
TransactionCheckListener.class));
|
||||
}
|
||||
|
||||
return messageHandler;
|
||||
}
|
||||
else {
|
||||
throw new RuntimeException("Binding for channel " + destination.getName()
|
||||
@ -120,4 +139,46 @@ public class RocketMQMessageChannelBinder extends
|
||||
public RocketMQProducerProperties getExtendedProducerProperties(String channelName) {
|
||||
return extendedBindingProperties.getExtendedProducerProperties(channelName);
|
||||
}
|
||||
|
||||
private <T> T getClassConfiguration(String destName, String className,
|
||||
Class<T> interfaceClass) {
|
||||
if (StringUtils.isEmpty(className)) {
|
||||
throw new RuntimeException("Binding for channel " + destName
|
||||
+ " using transactional message, should set "
|
||||
+ interfaceClass.getSimpleName() + " configuration"
|
||||
+ interfaceClass.getSimpleName() + " should be set, like "
|
||||
+ "'spring.cloud.stream.rocketmq.bindings.output.producer.xxx=TheFullClassNameOfYour"
|
||||
+ interfaceClass.getSimpleName() + "'");
|
||||
}
|
||||
else if (StringUtils.isNotEmpty(className)) {
|
||||
Class fieldClass;
|
||||
// check class exists
|
||||
try {
|
||||
fieldClass = ClassUtils.forName(className,
|
||||
RocketMQMessageChannelBinder.class.getClassLoader());
|
||||
}
|
||||
catch (ClassNotFoundException e) {
|
||||
throw new RuntimeException("Binding for channel " + destName
|
||||
+ " using transactional message, but " + className
|
||||
+ " class is not found");
|
||||
}
|
||||
// check interface incompatible
|
||||
if (!interfaceClass.isAssignableFrom(fieldClass)) {
|
||||
throw new RuntimeException("Binding for channel " + destName
|
||||
+ " using transactional message, but " + className
|
||||
+ " is incompatible with " + interfaceClass.getSimpleName()
|
||||
+ " interface");
|
||||
}
|
||||
try {
|
||||
return (T) fieldClass.newInstance();
|
||||
}
|
||||
catch (Exception e) {
|
||||
throw new RuntimeException("Binding for channel " + destName
|
||||
+ " using transactional message, but " + className
|
||||
+ " instance error", e);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -16,6 +16,12 @@
|
||||
|
||||
package org.springframework.cloud.stream.binder.rocketmq;
|
||||
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ACKNOWLEDGEMENT_KEY;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ORIGINAL_ROCKET_MESSAGE;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ROCKET_FLAG;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ROCKET_SEND_RESULT;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ROCKET_TRANSACTIONAL_ARG;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
@ -29,95 +35,105 @@ import org.springframework.messaging.Message;
|
||||
import org.springframework.messaging.MessageHeaders;
|
||||
import org.springframework.messaging.support.MessageHeaderAccessor;
|
||||
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ACKNOWLEDGEMENT_KEY;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ORIGINAL_ROCKET_MESSAGE;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ROCKET_FLAG;
|
||||
import static org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants.ROCKET_SEND_RESULT;
|
||||
|
||||
/**
|
||||
* @author Timur Valiev
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
public class RocketMQMessageHeaderAccessor extends MessageHeaderAccessor {
|
||||
|
||||
public RocketMQMessageHeaderAccessor() {
|
||||
super();
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor() {
|
||||
super();
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor(Message<?> message) {
|
||||
super(message);
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor(Message<?> message) {
|
||||
super(message);
|
||||
}
|
||||
|
||||
public Acknowledgement getAcknowledgement(Message message) {
|
||||
return message.getHeaders().get(ACKNOWLEDGEMENT_KEY, Acknowledgement.class);
|
||||
}
|
||||
public Acknowledgement getAcknowledgement(Message message) {
|
||||
return message.getHeaders().get(ACKNOWLEDGEMENT_KEY, Acknowledgement.class);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withAcknowledgment(Acknowledgement acknowledgment) {
|
||||
setHeader(ACKNOWLEDGEMENT_KEY, acknowledgment);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withAcknowledgment(
|
||||
Acknowledgement acknowledgment) {
|
||||
setHeader(ACKNOWLEDGEMENT_KEY, acknowledgment);
|
||||
return this;
|
||||
}
|
||||
|
||||
public String getTags() {
|
||||
return getMessageHeaders().get(MessageConst.PROPERTY_TAGS) == null ? "" : (String) getMessageHeaders().get(MessageConst.PROPERTY_TAGS);
|
||||
}
|
||||
public String getTags() {
|
||||
return getMessageHeaders().get(MessageConst.PROPERTY_TAGS) == null ? ""
|
||||
: (String) getMessageHeaders().get(MessageConst.PROPERTY_TAGS);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withTags(String tag) {
|
||||
setHeader(MessageConst.PROPERTY_TAGS, tag);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withTags(String tag) {
|
||||
setHeader(MessageConst.PROPERTY_TAGS, tag);
|
||||
return this;
|
||||
}
|
||||
|
||||
public String getKeys() {
|
||||
return getMessageHeaders().get(MessageConst.PROPERTY_KEYS) == null ? "" : (String) getMessageHeaders().get(MessageConst.PROPERTY_KEYS);
|
||||
}
|
||||
public String getKeys() {
|
||||
return getMessageHeaders().get(MessageConst.PROPERTY_KEYS) == null ? ""
|
||||
: (String) getMessageHeaders().get(MessageConst.PROPERTY_KEYS);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withKeys(String keys) {
|
||||
setHeader(MessageConst.PROPERTY_KEYS, keys);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withKeys(String keys) {
|
||||
setHeader(MessageConst.PROPERTY_KEYS, keys);
|
||||
return this;
|
||||
}
|
||||
|
||||
public MessageExt getRocketMessage() {
|
||||
return getMessageHeaders().get(ORIGINAL_ROCKET_MESSAGE, MessageExt.class);
|
||||
}
|
||||
public MessageExt getRocketMessage() {
|
||||
return getMessageHeaders().get(ORIGINAL_ROCKET_MESSAGE, MessageExt.class);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withRocketMessage(MessageExt message) {
|
||||
setHeader(ORIGINAL_ROCKET_MESSAGE, message);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withRocketMessage(MessageExt message) {
|
||||
setHeader(ORIGINAL_ROCKET_MESSAGE, message);
|
||||
return this;
|
||||
}
|
||||
|
||||
public Integer getDelayTimeLevel() {
|
||||
return NumberUtils.toInt((String)getMessageHeaders().get(MessageConst.PROPERTY_DELAY_TIME_LEVEL), 0);
|
||||
}
|
||||
public Integer getDelayTimeLevel() {
|
||||
return NumberUtils.toInt(
|
||||
(String) getMessageHeaders().get(MessageConst.PROPERTY_DELAY_TIME_LEVEL),
|
||||
0);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withDelayTimeLevel(Integer delayTimeLevel) {
|
||||
setHeader(MessageConst.PROPERTY_DELAY_TIME_LEVEL, delayTimeLevel);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withDelayTimeLevel(Integer delayTimeLevel) {
|
||||
setHeader(MessageConst.PROPERTY_DELAY_TIME_LEVEL, delayTimeLevel);
|
||||
return this;
|
||||
}
|
||||
|
||||
public Integer getFlag() {
|
||||
return NumberUtils.toInt((String)getMessageHeaders().get(ROCKET_FLAG), 0);
|
||||
}
|
||||
public Integer getFlag() {
|
||||
return NumberUtils.toInt((String) getMessageHeaders().get(ROCKET_FLAG), 0);
|
||||
}
|
||||
|
||||
public RocketMQMessageHeaderAccessor withFlag(Integer delayTimeLevel) {
|
||||
setHeader(ROCKET_FLAG, delayTimeLevel);
|
||||
return this;
|
||||
}
|
||||
public RocketMQMessageHeaderAccessor withFlag(Integer delayTimeLevel) {
|
||||
setHeader(ROCKET_FLAG, delayTimeLevel);
|
||||
return this;
|
||||
}
|
||||
|
||||
public SendResult getSendResult() {
|
||||
return getMessageHeaders().get(ROCKET_SEND_RESULT, SendResult.class);
|
||||
}
|
||||
public Object getTransactionalArg() {
|
||||
return getMessageHeaders().get(ROCKET_TRANSACTIONAL_ARG);
|
||||
}
|
||||
|
||||
public static void putSendResult(MutableMessage message, SendResult sendResult) {
|
||||
message.getHeaders().put(ROCKET_SEND_RESULT, sendResult);
|
||||
}
|
||||
public Object withTransactionalArg(Object arg) {
|
||||
setHeader(ROCKET_TRANSACTIONAL_ARG, arg);
|
||||
return this;
|
||||
}
|
||||
|
||||
public Map<String, String> getUserProperties() {
|
||||
Map<String, String> result = new HashMap<>();
|
||||
for (Map.Entry<String, Object> entry : this.toMap().entrySet()) {
|
||||
if (entry.getValue() instanceof String && !MessageConst.STRING_HASH_SET.contains(entry.getKey()) && !entry
|
||||
.getKey().equals(MessageHeaders.CONTENT_TYPE)) {
|
||||
result.put(entry.getKey(), (String)entry.getValue());
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
public SendResult getSendResult() {
|
||||
return getMessageHeaders().get(ROCKET_SEND_RESULT, SendResult.class);
|
||||
}
|
||||
|
||||
public static void putSendResult(MutableMessage message, SendResult sendResult) {
|
||||
message.getHeaders().put(ROCKET_SEND_RESULT, sendResult);
|
||||
}
|
||||
|
||||
public Map<String, String> getUserProperties() {
|
||||
Map<String, String> result = new HashMap<>();
|
||||
for (Map.Entry<String, Object> entry : this.toMap().entrySet()) {
|
||||
if (entry.getValue() instanceof String
|
||||
&& !MessageConst.STRING_HASH_SET.contains(entry.getKey())
|
||||
&& !entry.getKey().equals(MessageHeaders.CONTENT_TYPE)) {
|
||||
result.put(entry.getKey(), (String) entry.getValue());
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
@ -21,10 +21,14 @@ import java.util.Map;
|
||||
import org.apache.rocketmq.client.exception.MQBrokerException;
|
||||
import org.apache.rocketmq.client.exception.MQClientException;
|
||||
import org.apache.rocketmq.client.producer.DefaultMQProducer;
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionExecuter;
|
||||
import org.apache.rocketmq.client.producer.SendResult;
|
||||
import org.apache.rocketmq.client.producer.SendStatus;
|
||||
import org.apache.rocketmq.client.producer.TransactionCheckListener;
|
||||
import org.apache.rocketmq.client.producer.TransactionMQProducer;
|
||||
import org.apache.rocketmq.common.message.Message;
|
||||
import org.apache.rocketmq.remoting.exception.RemotingException;
|
||||
import org.springframework.cloud.stream.binder.ExtendedProducerProperties;
|
||||
import org.springframework.cloud.stream.binder.rocketmq.RocketMQBinderConstants;
|
||||
import org.springframework.cloud.stream.binder.rocketmq.RocketMQMessageHeaderAccessor;
|
||||
import org.springframework.cloud.stream.binder.rocketmq.metrics.InstrumentationManager;
|
||||
@ -47,16 +51,20 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
|
||||
|
||||
private InstrumentationManager instrumentationManager;
|
||||
|
||||
private final RocketMQProducerProperties producerProperties;
|
||||
private LocalTransactionExecuter localTransactionExecuter;
|
||||
|
||||
private TransactionCheckListener transactionCheckListener;
|
||||
|
||||
private final ExtendedProducerProperties<RocketMQProducerProperties> producerProperties;
|
||||
|
||||
private final String destination;
|
||||
|
||||
private final RocketMQBinderConfigurationProperties rocketBinderConfigurationProperties;
|
||||
|
||||
protected volatile boolean running = false;
|
||||
private volatile boolean running = false;
|
||||
|
||||
public RocketMQMessageHandler(String destination,
|
||||
RocketMQProducerProperties producerProperties,
|
||||
ExtendedProducerProperties<RocketMQProducerProperties> producerProperties,
|
||||
RocketMQBinderConfigurationProperties rocketBinderConfigurationProperties,
|
||||
InstrumentationManager instrumentationManager) {
|
||||
this.destination = destination;
|
||||
@ -67,7 +75,16 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
|
||||
|
||||
@Override
|
||||
public void start() {
|
||||
producer = new DefaultMQProducer(destination);
|
||||
if (producerProperties.getExtension().getTransactional()) {
|
||||
producer = new TransactionMQProducer(destination);
|
||||
if (transactionCheckListener != null) {
|
||||
((TransactionMQProducer) producer)
|
||||
.setTransactionCheckListener(transactionCheckListener);
|
||||
}
|
||||
}
|
||||
else {
|
||||
producer = new DefaultMQProducer(destination);
|
||||
}
|
||||
|
||||
if (instrumentationManager != null) {
|
||||
producerInstrumentation = instrumentationManager
|
||||
@ -77,8 +94,9 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
|
||||
|
||||
producer.setNamesrvAddr(rocketBinderConfigurationProperties.getNamesrvAddr());
|
||||
|
||||
if (producerProperties.getMaxMessageSize() > 0) {
|
||||
producer.setMaxMessageSize(producerProperties.getMaxMessageSize());
|
||||
if (producerProperties.getExtension().getMaxMessageSize() > 0) {
|
||||
producer.setMaxMessageSize(
|
||||
producerProperties.getExtension().getMaxMessageSize());
|
||||
}
|
||||
|
||||
try {
|
||||
@ -139,7 +157,14 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
|
||||
toSend.putUserProperty(entry.getKey(), entry.getValue());
|
||||
}
|
||||
|
||||
SendResult sendRes = producer.send(toSend);
|
||||
SendResult sendRes;
|
||||
if (producerProperties.getExtension().getTransactional()) {
|
||||
sendRes = producer.sendMessageInTransaction(toSend,
|
||||
localTransactionExecuter, headerAccessor.getTransactionalArg());
|
||||
}
|
||||
else {
|
||||
sendRes = producer.send(toSend);
|
||||
}
|
||||
|
||||
if (!sendRes.getSendStatus().equals(SendStatus.SEND_OK)) {
|
||||
throw new MQClientException("message hasn't been sent", null);
|
||||
@ -167,4 +192,14 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
|
||||
|
||||
}
|
||||
|
||||
public void setLocalTransactionExecuter(
|
||||
LocalTransactionExecuter localTransactionExecuter) {
|
||||
this.localTransactionExecuter = localTransactionExecuter;
|
||||
}
|
||||
|
||||
public void setTransactionCheckListener(
|
||||
TransactionCheckListener transactionCheckListener) {
|
||||
this.transactionCheckListener = transactionCheckListener;
|
||||
}
|
||||
|
||||
}
|
||||
@ -17,6 +17,8 @@
|
||||
package org.springframework.cloud.stream.binder.rocketmq.properties;
|
||||
|
||||
import org.apache.rocketmq.client.producer.DefaultMQProducer;
|
||||
import org.apache.rocketmq.client.producer.LocalTransactionExecuter;
|
||||
import org.apache.rocketmq.client.producer.TransactionCheckListener;
|
||||
|
||||
/**
|
||||
* @author Timur Valiev
|
||||
@ -24,28 +26,62 @@ import org.apache.rocketmq.client.producer.DefaultMQProducer;
|
||||
*/
|
||||
public class RocketMQProducerProperties {
|
||||
|
||||
private Boolean enabled = true;
|
||||
private Boolean enabled = true;
|
||||
|
||||
/**
|
||||
* Maximum allowed message size in bytes
|
||||
* {@link DefaultMQProducer#maxMessageSize}
|
||||
*/
|
||||
private Integer maxMessageSize = 0;
|
||||
/**
|
||||
* Maximum allowed message size in bytes {@link DefaultMQProducer#maxMessageSize}
|
||||
*/
|
||||
private Integer maxMessageSize = 0;
|
||||
|
||||
public Boolean getEnabled() {
|
||||
return enabled;
|
||||
}
|
||||
private Boolean transactional = false;
|
||||
|
||||
public void setEnabled(Boolean enabled) {
|
||||
this.enabled = enabled;
|
||||
}
|
||||
/**
|
||||
* full class name of {@link LocalTransactionExecuter}
|
||||
*/
|
||||
private String executer;
|
||||
|
||||
public Integer getMaxMessageSize() {
|
||||
return maxMessageSize;
|
||||
}
|
||||
/**
|
||||
* full class name of {@link TransactionCheckListener}
|
||||
*/
|
||||
private String transactionCheckListener;
|
||||
|
||||
public void setMaxMessageSize(Integer maxMessageSize) {
|
||||
this.maxMessageSize = maxMessageSize;
|
||||
}
|
||||
public Boolean getEnabled() {
|
||||
return enabled;
|
||||
}
|
||||
|
||||
public void setEnabled(Boolean enabled) {
|
||||
this.enabled = enabled;
|
||||
}
|
||||
|
||||
public Integer getMaxMessageSize() {
|
||||
return maxMessageSize;
|
||||
}
|
||||
|
||||
public void setMaxMessageSize(Integer maxMessageSize) {
|
||||
this.maxMessageSize = maxMessageSize;
|
||||
}
|
||||
|
||||
public Boolean getTransactional() {
|
||||
return transactional;
|
||||
}
|
||||
|
||||
public void setTransactional(Boolean transactional) {
|
||||
this.transactional = transactional;
|
||||
}
|
||||
|
||||
public String getExecuter() {
|
||||
return executer;
|
||||
}
|
||||
|
||||
public void setExecuter(String executer) {
|
||||
this.executer = executer;
|
||||
}
|
||||
|
||||
public String getTransactionCheckListener() {
|
||||
return transactionCheckListener;
|
||||
}
|
||||
|
||||
public void setTransactionCheckListener(String transactionCheckListener) {
|
||||
this.transactionCheckListener = transactionCheckListener;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user