修改文章中的联系方式

README.md

@@ -17,6 +17,7 @@
 - [Sentinel原理：调用链](sentinel-principle/sentinel-slot-chain/sentinel-slot-chain.md)
 - [Sentinel原理：滑动窗口](sentinel-principle/sentinel-slide-window/sentinel-slide-window.md)
 - [Sentinel原理：扩展点](sentinel-principle/sentinel-extension-points/sentinel-extension-points.md)
+- [Sentinel原理：控制台是如何获取实时数据的](sentinel-principle/sentinel-dashboard-transport/sentinel-dashboard-transport.md)
 - 未完待续。。
 
 
@@ -27,6 +28,7 @@
 - [Sentinel实战：使用控制台管理规则](sentinel-practice/sentinel-manage-rule-with-dashboard/sentinel-manage-rule-with-dashboard.md)
 - [Sentinel实战：规则持久化的5种方式](sentinel-practice/sentinel-persistence-rules/sentinel-persistence-rules.md)
 - [Sentinel实战：在集群中实现流控](sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-flow-control.md)
+- [Sentinel实战：集群限流环境搭建(详细图文描述)](sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-flow-environment-build.md)
 - [Sentinel实战：如何对热点参数限流](sentinel-practice/sentinel-frequent-param-flow-control/sentinel-frequent-param-flow-control.md)
 - 未完待续。。
 

sentinel-practice/sentinel-cluster-flow-control/pom.xml

@@ -10,24 +10,15 @@
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sentinel-cluster-flow-control</artifactId>
+    <packaging>pom</packaging>
     <version>1.0.0-SNAPSHOT</version>
 
-    <properties>
-        <spring-boot-version>1.5.17.RELEASE</spring-boot-version>
-        <sentinel-version>1.4.0</sentinel-version>
-    </properties>
+    <modules>
+        <module>sentinel-cluster-server-alone</module>
+        <module>sentinel-cluster-client-1</module>
+        <module>sentinel-cluster-client-2</module>
+    </modules>
+
 
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-            <version>${spring-boot-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-            <version>${spring-boot-version}</version>
-        </dependency>
-    </dependencies>
 
 </project>

sentinel-practice/sentinel-cluster-flow-control/resources/sentinel-cluster-flow-control.xml

@@ -1 +1 @@
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sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-client-1/pom.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>sentinel-cluster-flow-control</artifactId>
+        <groupId>com.lememo</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>sentinel-cluster-client-1</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <properties>
+        <spring-boot-version>1.5.17.RELEASE</spring-boot-version>
+        <sentinel-version>1.4.1</sentinel-version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+            <version>${spring-boot-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring-boot-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-transport-simple-http</artifactId>
+            <version>${sentinel-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-cluster-client-default</artifactId>
+            <version>${sentinel-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-datasource-nacos</artifactId>
+            <version>${sentinel-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>2.9.1</version>
+        </dependency>
+    </dependencies>
+
+</project>

sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-client-1/src/main/java/com/lememo/sentinel/clusterclient/ClusterFlowClientApplication.java

@@ -0,0 +1,18 @@
+package com.lememo.sentinel.clusterclient;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * 启动时加参数：
+ * -Dproject.name=xxx -Dcsp.sentinel.dashboard.server=consoleIp:port
+ * 可以在对应的 sentinel 的 dashboard 中查看效果
+ * @author houyi
+ * @date 2019-01-19
+ */
+@SpringBootApplication(scanBasePackages = {"com.lememo.sentinel"})
+public class ClusterFlowClientApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(ClusterFlowClientApplication.class, args);
+    }
+}

sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-client-1/src/main/java/com/lememo/sentinel/clusterclient/ClusterFlowClientController.java

@@ -0,0 +1,116 @@
+package com.lememo.sentinel.clusterclient;
+
+import com.alibaba.csp.sentinel.Entry;
+import com.alibaba.csp.sentinel.EntryType;
+import com.alibaba.csp.sentinel.SphU;
+import com.alibaba.csp.sentinel.cluster.client.config.ClusterClientAssignConfig;
+import com.alibaba.csp.sentinel.cluster.client.config.ClusterClientConfig;
+import com.alibaba.csp.sentinel.cluster.client.config.ClusterClientConfigManager;
+import com.alibaba.csp.sentinel.datasource.ReadableDataSource;
+import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.List;
+
+/**
+ * @author houyi.wh
+ * @since 2019-01-01
+ */
+@Controller
+public class ClusterFlowClientController {
+
+    private static String RESOURCE_NAME = "cluster-resource";
+
+    private static final String APP_NAME = "appA";
+
+    private static final String REMOTE_ADDRESS = "localhost";
+    private static final String GROUP_ID = "SENTINEL_GROUP";
+
+    private static final String FLOW_POSTFIX = "-flow-rules";
+
+    private static final String CLUSTER_SERVER_HOST = "localhost";
+    private static final int CLUSTER_SERVER_PORT = 11111;
+    private static final int REQUEST_TIME_OUT = 200;
+
+    public ClusterFlowClientController(){
+        loadClusterClientConfig();
+        registerClusterClientProperty();
+        registerClusterFlowRuleProperty();
+    }
+
+    /**
+     * 加载集群客户端配置
+     * 主要是集群服务端的相关连接信息
+     */
+    private void loadClusterClientConfig(){
+        ClusterClientAssignConfig assignConfig = new ClusterClientAssignConfig();
+        assignConfig.setServerHost(CLUSTER_SERVER_HOST);
+        assignConfig.setServerPort(CLUSTER_SERVER_PORT);
+        ClusterClientConfigManager.applyNewAssignConfig(assignConfig);
+
+        ClusterClientConfig clientConfig = new ClusterClientConfig();
+        clientConfig.setRequestTimeout(REQUEST_TIME_OUT);
+        ClusterClientConfigManager.applyNewConfig(clientConfig);
+    }
+
+    /**
+     * 为ClusterClientConfig注册一个SentinelProperty
+     * 这样的话可以动态的更改这些配置
+     */
+    private void registerClusterClientProperty() {
+        String clientConfigDataId = "cluster-client-config";
+        // 初始化一个配置ClusterClientConfig的 Nacos 数据源
+        ReadableDataSource<String, ClusterClientConfig> clientConfigDS = new NacosDataSource<>(REMOTE_ADDRESS, GROUP_ID, clientConfigDataId,
+                source -> JSON.parseObject(source, new TypeReference<ClusterClientConfig>() {}));
+        ClusterClientConfigManager.registerClientConfigProperty(clientConfigDS.getProperty());
+
+        String clientAssignConfigDataId = "cluster-client-assign-config";
+        // 初始化一个配置ClusterClientAssignConfig的 Nacos 数据源
+        ReadableDataSource<String, ClusterClientAssignConfig> clientAssignConfigDS = new NacosDataSource<>(REMOTE_ADDRESS, GROUP_ID, clientAssignConfigDataId,
+                source -> JSON.parseObject(source, new TypeReference<ClusterClientAssignConfig>() {}));
+        ClusterClientConfigManager.registerServerAssignProperty(clientAssignConfigDS.getProperty());
+    }
+
+    /**
+     * 注册动态规则Property
+     * 当client与Server连接中断，退化为本地限流时需要用到的该规则
+     */
+    private void registerClusterFlowRuleProperty(){
+        // 使用 Nacos 数据源作为配置中心，需要在 REMOTE_ADDRESS 上启动一个 Nacos 的服务
+        ReadableDataSource<String, List<FlowRule>> ds = new NacosDataSource<>(REMOTE_ADDRESS, GROUP_ID, APP_NAME+FLOW_POSTFIX,
+                source -> JSON.parseObject(source, new TypeReference<List<FlowRule>>() {}));
+        // 为集群客户端注册动态规则源
+        FlowRuleManager.register2Property(ds.getProperty());
+    }
+
+
+    /**
+     * 模拟流量请求该方法
+     */
+    @GetMapping("/clusterFlow")
+    public @ResponseBody
+    String clusterFlow() {
+        Entry entry = null;
+        String retVal;
+        try{
+            entry = SphU.entry(RESOURCE_NAME, EntryType.IN,1);
+            retVal = "passed";
+        }catch(BlockException e){
+            retVal = "blocked";
+        }finally {
+            if(entry!=null){
+                entry.exit();
+            }
+        }
+        return retVal;
+    }
+
+
+}

sentinel-practice/sentinel-cluster-flow-control/sentinel-cluster-client-1/src/main/resources/application.properties

@@ -0,0 +1,2 @@
+spring.application.name=cluster-client-1
+server.port=7001