项目启动完成后获取所有服务

https://nacos.io/docs/latest/guide/user/sdk/

pom.xml

@@ -14,8 +14,8 @@
         <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-dependencies -->
         <spring-boot.version>2.7.18</spring-boot.version>
 
-        <!-- https://mvnrepository.com/artifact/com.alibaba.cloud/spring-cloud-alibaba-dependencies -->
-        <spring-cloud-alibaba.version>2021.0.5.0</spring-cloud-alibaba.version>
+        <!-- 2.1.2版本以上支持纯净版客户端 -->
+        <nacos.version>2.2.0</nacos.version>
 
         <skipTests>true</skipTests>
 
@@ -23,12 +23,22 @@
     <dependencies>
 
         <dependency>
-            <groupId>com.alibaba.cloud</groupId>
-            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-client</artifactId>
+            <version>${nacos.version}</version>
+            <!-- 指定纯净版SDK -->
+            <classifier>pure</classifier>
+        </dependency>
+        <!-- 使用纯净版时必须要引入同版本nacos-api和nacos-common，否则可能出现运行时找不到类的问题 -->
+        <dependency>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-common</artifactId>
+            <version>${nacos.version}</version>
         </dependency>
         <dependency>
-            <groupId>com.alibaba.cloud</groupId>
-            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-api</artifactId>
+            <version>${nacos.version}</version>
         </dependency>
 
         <dependency>
@@ -62,13 +72,6 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <dependency>
-                <groupId>com.alibaba.cloud</groupId>
-                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
-                <version>${spring-cloud-alibaba.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 

src/main/java/cn/com/xuxiaowei/nacos/sentinel/listener/NacosDiscoveryListener.java

@@ -0,0 +1,88 @@
+package cn.com.xuxiaowei.nacos.sentinel.listener;
+
+import cn.com.xuxiaowei.nacos.sentinel.properties.NacosSentinelDiscoveryProperties;
+import com.alibaba.nacos.api.PropertyKeyConst;
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.NamingFactory;
+import com.alibaba.nacos.api.naming.NamingService;
+import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.api.naming.pojo.ListView;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.Properties;
+
+/**
+ * Nacos 注册中心 监听程序
+ *
+ * @author xuxiaowei
+ * @see 0.0.1
+ */
+@Slf4j
+@Component
+public class NacosDiscoveryListener {
+
+    private NacosSentinelDiscoveryProperties nacosSentinelDiscoveryProperties;
+
+    @Autowired
+    public void setNacosSentinelDiscoveryProperties(NacosSentinelDiscoveryProperties nacosSentinelDiscoveryProperties) {
+        this.nacosSentinelDiscoveryProperties = nacosSentinelDiscoveryProperties;
+    }
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void ready() throws NacosException {
+        Properties properties = nacosSentinelDiscoveryProperties.getProperties();
+
+        log.info("{}: {}", PropertyKeyConst.SERVER_ADDR, properties.getProperty(PropertyKeyConst.SERVER_ADDR));
+        log.info("{}: {}", PropertyKeyConst.NAMESPACE, properties.getProperty(PropertyKeyConst.NAMESPACE));
+
+        NamingService namingService = NamingFactory.createNamingService(properties);
+
+        int pageNo = nacosSentinelDiscoveryProperties.getPageNo();
+        int pageSize = nacosSentinelDiscoveryProperties.getPageSize();
+        String groupName = nacosSentinelDiscoveryProperties.getGroupName();
+
+        ListView<String> servicesOfServer = namingService.getServicesOfServer(pageNo, pageSize, groupName);
+        List<String> serviceNames = servicesOfServer.getData();
+
+        log.info("service size: {}", serviceNames.size());
+
+        int maxLength = 0;
+        for (String serviceName : serviceNames) {
+            maxLength = Math.max(maxLength, serviceName.length());
+        }
+
+        log.info("service healthy:");
+        for (String serviceName : serviceNames) {
+            List<Instance> instanceOnline = namingService.selectInstances(serviceName, true);
+            List<Instance> instanceOffline = namingService.selectInstances(serviceName, false);
+            log.info("{}:\ttrue: {}\tfalse: {}", String.format("%-" + maxLength + "s", serviceName), instanceOnline.size(), instanceOffline.size());
+        }
+
+        log.info("service instance:");
+        for (String serviceName : serviceNames) {
+            List<Instance> instanceOnline = namingService.selectInstances(serviceName, true);
+            if (!instanceOnline.isEmpty()) {
+                for (Instance instance : instanceOnline) {
+                    String ip = instance.getIp();
+                    int port = instance.getPort();
+                    log.info("{} instance healthy true: {}:{}", String.format("%-" + maxLength + "s", serviceName), ip, port);
+                }
+            }
+
+            List<Instance> instanceOffline = namingService.selectInstances(serviceName, false);
+            if (!instanceOffline.isEmpty()) {
+                for (Instance instance : instanceOffline) {
+                    String ip = instance.getIp();
+                    int port = instance.getPort();
+                    log.info("{} instance healthy false: {}:{}", String.format("%-" + maxLength + "s", serviceName), ip, port);
+                }
+            }
+        }
+    }
+
+}

src/main/java/cn/com/xuxiaowei/nacos/sentinel/properties/NacosSentinelDiscoveryProperties.java

@@ -0,0 +1,39 @@
+package cn.com.xuxiaowei.nacos.sentinel.properties;
+
+import com.alibaba.nacos.api.PropertyKeyConst;
+import com.alibaba.nacos.api.common.Constants;
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import java.util.Properties;
+
+/**
+ * Nacos 监控 注册中心 配置
+ *
+ * @author xuxiaowei
+ * @since 0.0.1
+ */
+@Data
+@Component
+@ConfigurationProperties("nacos.sentinel.discovery")
+public class NacosSentinelDiscoveryProperties {
+
+    private String serverAddr = "127.0.0.1:8848";
+
+    private String namespace = "public";
+
+    private int pageNo = 1;
+
+    private int pageSize = Integer.MAX_VALUE;
+
+    private String groupName = Constants.DEFAULT_GROUP;
+
+    public Properties getProperties() {
+        Properties properties = new Properties();
+        properties.setProperty(PropertyKeyConst.SERVER_ADDR, serverAddr);
+        properties.setProperty(PropertyKeyConst.NAMESPACE, namespace);
+        return properties;
+    }
+
+}

src/main/resources/application.yaml

@@ -2,18 +2,8 @@ spring:
   application:
     name: nacos-sentinel
 ---
-spring:
-  config:
-    import: nacos:nacos-config-example.properties?refresh=true
-  cloud:
-    inetutils:
-      ignored-interfaces:
-        - VMware.*
-        - VirtualBox.*
-    nacos:
-      config:
-        server-addr: ${NACOS_SENTINEL_CONFIG_SERVER_ADDR:127.0.0.1:8848}
-        namespace: ${NACOS_SENTINEL_CONFIG_NAMESPACE:public}
-      discovery:
-        server-addr: ${NACOS_SENTINEL_DISCOVERY_SERVER_ADDR:127.0.0.1:8848}
-        namespace: ${NACOS_SENTINEL_DISCOVERY_NAMESPACE:public}
+nacos:
+  sentinel:
+    discovery:
+      server-addr: ${NACOS_SENTINEL_DISCOVERY_SERVER_ADDR:127.0.0.1:8848}
+      namespace: ${NACOS_SENTINEL_DISCOVERY_NAMESPACE:public}