springCloud nacos、sentinel demo

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-consumer/pom.xml

@@ -0,0 +1,63 @@
+<?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>nacos-sentinel-dubbo</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <name>nsd消费者</name>
+
+    <artifactId>nsd-consumer</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-datasource-nacos</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-dubbo</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-apache-dubbo-adapter</artifactId>
+        </dependency>
+
+        <dependency>
+            <artifactId>service-api</artifactId>
+            <groupId>com.xjs</groupId>
+            <version>1.0</version>
+        </dependency>
+
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-consumer/src/main/java/com/xjs/NacosSentinelDubboConsumerApp.java

@@ -0,0 +1,33 @@
+package com.xjs;
+
+import com.xjs.service.HelloService;
+import org.apache.dubbo.config.annotation.DubboReference;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author xiejs
+ * @since 2022-06-01
+ */
+@SpringBootApplication
+@RestController
+@RequestMapping("app")
+public class NacosSentinelDubboConsumerApp {
+
+    public static void main(String[] args) {
+        SpringApplication.run(NacosSentinelDubboConsumerApp.class, args);
+    }
+
+
+    @DubboReference
+    private HelloService helloService;
+
+    @GetMapping
+    public String test() {
+        return helloService.sayHello("傻逼");
+    }
+
+}

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-consumer/src/main/resources/application.yml

@@ -0,0 +1,56 @@
+server:
+  port: 10091
+
+spring:
+  application:
+    name: nacos-sentinel-dubbo-consumer
+
+  main:
+    allow-bean-definition-overriding: true
+
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848
+        namespace: study001
+
+    sentinel:
+      transport:
+        #sentinel控制台端口
+        dashboard: 127.0.0.1:10086
+        #sentinel会在该端口启动http server进行一些限流规则传递，如果占用，端口号依次+1，例10081
+        port: 10080
+
+      #Sentinel Nacos数据源配置，nacos中的规则会自动同步到sentinel流控规则中(Sentinel规则持久化)
+      datasource:
+        #自定义的流控规则数据源名称
+        flow:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-flow-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: FLOW
+
+        #自定义的降级规则数据源名称
+        degrade:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-degrade-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: degrade
+
+
+dubbo:
+  registry:
+    address: spring-cloud://localhost
+  cloud:
+    subscribed-services: nacos-sentinel-dubbo-provider
+
+
+
+
+

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-provider/pom.xml

@@ -0,0 +1,63 @@
+<?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>nacos-sentinel-dubbo</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <name>nsd生产者</name>
+
+    <artifactId>nsd-provider</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-datasource-nacos</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-dubbo</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-apache-dubbo-adapter</artifactId>
+        </dependency>
+
+        <dependency>
+            <artifactId>service-api</artifactId>
+            <groupId>com.xjs</groupId>
+            <version>1.0</version>
+        </dependency>
+
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-provider/src/main/java/com/xjs/NacosSentinelDubboProviderApp.java

@@ -0,0 +1,16 @@
+package com.xjs;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author xiejs
+ * @since 2022-06-01
+ */
+@SpringBootApplication
+public class NacosSentinelDubboProviderApp {
+
+    public static void main(String[] args) {
+        SpringApplication.run(NacosSentinelDubboProviderApp.class, args);
+    }
+}

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-provider/src/main/java/com/xjs/service/impl/HelloServiceImpl.java

@@ -0,0 +1,23 @@
+package com.xjs.service.impl;
+
+import com.xjs.service.HelloService;
+import org.apache.dubbo.config.annotation.DubboService;
+
+/**
+ * @author xiejs
+ * @since 2022-06-01
+ */
+@DubboService
+public class HelloServiceImpl implements HelloService {
+
+
+    @Override
+    public String sayHello(String name) {
+        return "hello";
+    }
+
+    @Override
+    public String sayHello(String name, int timeTowait) {
+        return null;
+    }
+}

xjs-study/springcloud-project/nacos-sentinel-dubbo/nsd-provider/src/main/resources/application.yml

@@ -0,0 +1,59 @@
+server:
+  port: 10090
+
+spring:
+  application:
+    name: nacos-sentinel-dubbo-provider
+
+  main:
+    allow-bean-definition-overriding: true
+
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848
+        namespace: study001
+
+    sentinel:
+      transport:
+        #sentinel控制台端口
+        dashboard: 127.0.0.1:10086
+        #sentinel会在该端口启动http server进行一些限流规则传递，如果占用，端口号依次+1，例10081
+        port: 10080
+
+      #Sentinel Nacos数据源配置，nacos中的规则会自动同步到sentinel流控规则中(Sentinel规则持久化)
+      datasource:
+        #自定义的流控规则数据源名称
+        flow:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-flow-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: FLOW
+
+        #自定义的降级规则数据源名称
+        degrade:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-degrade-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: degrade
+
+
+dubbo:
+  scan:
+    base-packages:
+      - com.xjs.service.impl
+  protocol:
+    name: dubbo
+    port: -1
+    host: 127.0.0.1
+  registry:
+    address: spring-cloud://localhost
+
+
+

xjs-study/springcloud-project/nacos-sentinel-dubbo/pom.xml

@@ -0,0 +1,26 @@
+<?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>springcloud-project</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+    <name>nsd三大组件</name>
+    <modules>
+        <module>nsd-provider</module>
+        <module>nsd-consumer</module>
+    </modules>
+
+    <artifactId>nacos-sentinel-dubbo</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+
+</project>

xjs-study/springcloud-project/nacos/nacos-client-consumer/pom.xml

@@ -0,0 +1,36 @@
+<?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>nacos</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <name>Nacos客户端消费者</name>
+    <artifactId>nacos-client-consumer</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/nacos/nacos-client-consumer/src/main/java/com/xjs/NacosClientConsumerApp.java

@@ -0,0 +1,39 @@
+package com.xjs;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.context.config.annotation.RefreshScope;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author xiejs
+ * @since 2022-05-31
+ */
+@SpringBootApplication
+@EnableDiscoveryClient
+@RestController
+@RequestMapping("app")
+@RefreshScope
+public class NacosClientConsumerApp {
+
+    @Value("${xjs}")
+    private Long num;
+
+    @Value("${yyy}")
+    private Long yyy;
+
+    public static void main(String[] args) {
+        SpringApplication.run(NacosClientConsumerApp.class, args);
+    }
+
+    @GetMapping
+    public String test() {
+        return num.toString() + yyy.toString();
+    }
+
+
+}

xjs-study/springcloud-project/nacos/nacos-client-consumer/src/main/resources/bootstrap.yml

@@ -0,0 +1,34 @@
+server:
+  port: 8521
+
+spring:
+  application:
+    name: nacos-service-consumer
+
+  cloud:
+    nacos:
+      discovery:
+        #naocs集群地址
+        server-addr: 127.0.0.1:8848,127.0.0.1:8858,127.0.0.1:8868
+        namespace: study001
+
+      config:
+        #配置中心地址
+        server-addr: 127.0.0.1:8848,127.0.0.1:8858,127.0.0.1:8868
+        #命名空间id
+        namespace: study001
+        #组id
+        group: DEFAULT_GROUP
+
+
+        file-extension: yml
+        prefix: study
+
+        extension-configs[0]:
+          data-id: study-copy.yml
+          refresh: true
+
+
+
+
+

xjs-study/springcloud-project/nacos/nacos-client-provider/pom.xml

@@ -0,0 +1,36 @@
+<?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>nacos</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <name>Nacos客户端生产者</name>
+    <artifactId>nacos-client-provider</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/nacos/nacos-client-provider/src/main/java/com/xjs/NacosClientProviderApp.java

@@ -0,0 +1,19 @@
+package com.xjs;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+
+/**
+ * @author xiejs
+ * @since 2022-05-31
+ */
+@SpringBootApplication
+@EnableDiscoveryClient
+public class NacosClientProviderApp {
+
+    public static void main(String[] args) {
+        SpringApplication.run(NacosClientProviderApp.class, args);
+    }
+
+}

xjs-study/springcloud-project/nacos/nacos-client-provider/src/main/resources/bootstrap.yml

@@ -0,0 +1,13 @@
+server:
+  port: 8520
+
+spring:
+  application:
+    name: nacos-service-provider
+
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848,127.0.0.1:8858,127.0.0.1:8868
+        namespace: study001
+

xjs-study/springcloud-project/nacos/pom.xml

@@ -0,0 +1,35 @@
+<?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>springcloud-project</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+    <name>Nacos注册中心</name>
+    <modules>
+        <module>nacos-client-provider</module>
+        <module>nacos-client-consumer</module>
+    </modules>
+
+    <artifactId>nacos</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
+            <version>2021.1</version>
+            <type>pom</type>
+            <scope>import</scope>
+        </dependency>
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/pom.xml

@@ -14,6 +14,9 @@
         <module>eureka</module>
         <module>stream</module>
         <module>oauth2</module>
+        <module>nacos</module>
+        <module>sentinel</module>
+        <module>nacos-sentinel-dubbo</module>
     </modules>
 
     <artifactId>springcloud-project</artifactId>

xjs-study/springcloud-project/sentinel/pom.xml

@@ -0,0 +1,49 @@
+<?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>springcloud-project</artifactId>
+        <groupId>com.xjs</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <name>Sentinel熔断降级</name>
+
+    <artifactId>sentinel</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-datasource-nacos</artifactId>
+        </dependency>
+
+
+    </dependencies>
+
+</project>

xjs-study/springcloud-project/sentinel/src/main/java/com/xjs/SentinelApplication.java

@@ -0,0 +1,47 @@
+package com.xjs;
+
+import com.alibaba.csp.sentinel.annotation.SentinelResource;
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author xiejs
+ * @since 2022-05-31
+ */
+@SpringBootApplication
+@RestController
+@RequestMapping("app")
+public class SentinelApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SentinelApplication.class, args);
+    }
+
+    @Value("${server.port}")
+    private Integer port;
+
+    @GetMapping
+    @SentinelResource(value = "port",
+            blockHandler = "handlePort",
+            blockHandlerClass = SentinelHandler.class,
+            fallback = "errorPost"
+
+    )
+    public String port() {
+        return port.toString();
+    }
+
+
+    public String handlePort(BlockException e) {
+        return "异常了啊";
+    }
+
+    public String errorPost(BlockException e) {
+        return "error了啊";
+    }
+}

xjs-study/springcloud-project/sentinel/src/main/java/com/xjs/SentinelHandler.java

@@ -0,0 +1,15 @@
+package com.xjs;
+
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+
+/**
+ * @author xiejs
+ * @since 2022-06-01
+ */
+public class SentinelHandler {
+
+    public static String handlePort(BlockException e) {
+        return "异常了啊！！！！";
+    }
+
+}

xjs-study/springcloud-project/sentinel/src/main/resources/application.yml

@@ -0,0 +1,47 @@
+server:
+  port: 10088
+
+spring:
+  application:
+    name: sentienl-service
+
+
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848
+#        ,127.0.0.1:8858,127.0.0.1:8868
+        namespace: study001
+
+    sentinel:
+      transport:
+        #sentinel控制台端口
+        dashboard: 127.0.0.1:10086
+        #sentinel会在该端口启动http server进行一些限流规则传递，如果占用，端口号依次+1，例10081
+        port: 10080
+
+      #Sentinel Nacos数据源配置，nacos中的规则会自动同步到sentinel流控规则中(Sentinel规则持久化)
+      datasource:
+        #自定义的流控规则数据源名称
+        flow:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-flow-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: FLOW
+
+        #自定义的降级规则数据源名称
+        degrade:
+          nacos:
+            serverAddr: ${spring.cloud.nacos.discovery.server-addr}
+            dataId: ${spring.application.name}-degrade-rules
+            groupId: sentinel
+            namespace: study001
+            dataType: json
+            ruleType: degrade
+
+
+
+