Spring Cloud Alibaba Nacos集成Spring Boot Actuator
作者：互联网
项目代码
pom文件
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.xiaobu</groupId>
<artifactId>spring-cloud-alibaba-nacos-config-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<artifactId>nacos-config-actuator</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>nacos-config-actuator</name>
<description>nacos-config-actuator</description>
<properties>
<!-- 解决mvn compile 编码GBK的不可映射字符-->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.boot.version>2.2.4.RELEASE</spring.boot.version>
<spring.cloud.version>Hoxton.SR1</spring.cloud.version>
<spring.cloud.alibaba.version>2.2.0.RELEASE</spring.cloud.alibaba.version>
</properties>
<!--
引入 Spring Boot、Spring Cloud、Spring Cloud Alibaba 三者 BOM 文件，进行依赖版本的管理，防止不兼容。
在 https://dwz.cn/mcLIfNKt 文章中，Spring Cloud Alibaba 开发团队推荐了三者的依赖关系
-->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>${spring.boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring.cloud.version}</version>
<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>
<!-- 这个文件的依赖冲突不能exclude否则连不上nacos-->
<dependencies>
<!-- 引入 SpringMVC 相关依赖，并实现对其的自动配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 引入 Spring Cloud Alibaba Nacos Discovery 相关依赖，将 Nacos 作为注册中心，并实现对其的自动配置 -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<!-- 引入 Spring Cloud Alibaba config 相关依赖 -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<!-- jasypt-->
<dependency>
<groupId>com.github.ulisesbocchio</groupId>
<artifactId>jasypt-spring-boot-starter</artifactId>
<version>3.0.3</version>
</dependency>
<!-- 方便等会写单元测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- 实现对 Actuator 的自动化配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
</dependencies>
</project>
bootstrap.properties
# Nacos Config 配置项，对应 NacosConfigProperties 配置属性类
spring.application.name=nacos-config-actuator
# Nacos 服务器地址
spring.cloud.nacos.config.server-addr=127.0.0.1:8848
# 使用的 Nacos 的命名空间，默认为 null
spring.cloud.nacos.config.namespace=3aafe1ff-9715-4c49-9b98-fcd5492d7050
# 使用的 Nacos 配置分组，默认为 DEFAULT_GROUP
spring.cloud.nacos.config.group=DEFAULT_GROUP
# 使用的 Nacos 配置集的 dataId，默认为 spring.application.name 需要copy一份 nacos-config相同的配置 dataId改成nacos-config-actuator
spring.cloud.nacos.config.name=
# 使用的 Nacos 配置集的 dataId 的文件拓展名，同时也是 Nacos 配置集的配置格式，默认为 properties
spring.cloud.nacos.config.file-extension=properties
application.properties
# Health 端点配置项，对应 HealthProperties 配置类
# 何时显示完整的健康信息。默认为 NEVER 都不展示。可选 WHEN_AUTHORIZED 当经过授权的用户；可选 ALWAYS 总是展示。
management.endpoint.health.show-details=ALWAYS
# Actuator HTTP 配置项，对应 WebEndpointProperties 配置类
# 需要开放的端点。默认值只打开 health 和 info 两个端点。通过设置 * ，可以开放所有端点。
management.endpoints.web.exposure.include=*
启动类 NacosConfigActuatorApplication
package com.xiaobu;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* The type Nacos config refresh application.
*
* @author 小布
*/
@SpringBootApplication
public class NacosConfigActuatorApplication {
/**
* The entry point of application.
*
* @param args the input arguments
*/
public static void main(String[] args) {
SpringApplication.run(NacosConfigActuatorApplication.class, args);
}
}
控制器 ActuatorController
package com.xiaobu.controller;
import org.springframework.beans.factory.annotation.Value;
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 小布
*/
@RestController
@RequestMapping("/actuator")
@RefreshScope
public class ActuatorController {
/**
* @NacosValue(value = "${order.pay-timeout-seconds}")
*/
@Value(value = "${order.pay-timeout-seconds}")
private Integer payTimeoutSeconds;
/**
* @NacosValue(value = "${order.create-frequency-seconds}")
*/
@Value(value = "${order.create-frequency-seconds}")
private Integer createFrequencySeconds;
@GetMapping("/test")
public String test() {
return String.format("order.pay-timeout-seconds:%s,order.create-frequency-seconds:%s", payTimeoutSeconds, createFrequencySeconds);
}
}
nacos Data Id 为nacos-config-actuator GROUP为 DEFAULT_GROUP 配置集内容
#程序启动端口
server.port=8002
# 订单支付超时时长，单位：秒。
order.pay-timeout-seconds=6666
# 订单创建频率，单位：秒
order.create-frequency-seconds=7777
测试
访问 http://localhost:8002/actuator/nacos-config
得到
{
"NacosConfigProperties": {
"serverAddr": "127.0.0.1:8848",
"encode": null,
"group": "DEFAULT_GROUP",
"prefix": null,
"fileExtension": "properties",
"timeout": 3000,
"maxRetry": null,
"configLongPollTimeout": null,
"configRetryTime": null,
"enableRemoteSyncConfig": false,
"endpoint": null,
"namespace": "3aafe1ff-9715-4c49-9b98-fcd5492d7050",
"accessKey": null,
"secretKey": null,
"contextPath": null,
"clusterName": null,
"name": "",
"sharedConfigs": null,
"extensionConfigs": null,
"refreshEnabled": true,
"extConfig": null,
"sharedDataids": null,
"configServiceProperties": {
"name": "",
"secretKey": "",
"contextPath": "",
"namespace": "3aafe1ff-9715-4c49-9b98-fcd5492d7050",
"fileExtension": "properties",
"enableRemoteSyncConfig": "false",
"configLongPollTimeout": "",
"configRetryTime": "",
"encode": "",
"serverAddr": "127.0.0.1:8848",
"maxRetry": "",
"group": "DEFAULT_GROUP",
"clusterName": "",
"accessKey": "",
"endpoint": ""
},
"refreshableDataids": null
},
"RefreshHistory": [],
"Sources": [
{
"lastSynced": "2021-09-23 09:58:30",
"dataId": "nacos-config-actuator.properties"
},
{
"lastSynced": "2021-09-23 09:58:30",
"dataId": "nacos-config-actuator"
}
]
}
NacosConfigProperties–>Nacos配置项
RefreshHistory": [],–> //Nacos配置集的刷新历史
“Sources”: []–> //Nacos配置集的更新时间
访问 http://localhost:8002/actuator/nacos-config
可以查看Nocas配置中心的链接状态等信息
{
"status": "UP",
"components": {
"discoveryComposite": {
"status": "UP",
"components": {
"discoveryClient": {
"status": "UP",
"details": {
"services": [
"nacos-config-actuator"
]
}
}
}
},
"diskSpace": {
"status": "UP",
"details": {
"total": 377486307328,
"free": 362160472064,
"threshold": 10485760
}
},
"nacosConfig": {
"status": "UP"
},
"nacosDiscovery": {
"status": "UP"
},
"ping": {
"status": "UP"
},
"refreshScope": {
"status": "UP"
}
}
}
“nacosConfig”: {“status”: “UP”} 表明处于连接状态
标签：spring,Boot,Nacos,nacos,Spring,actuator,null,config,cloud 来源： https://blog.csdn.net/tanhongwei1994/article/details/120444328