SpringBoot-Admin实现微服务监控+健康检查+钉钉告警

基于springcloud微服务平台，进行服务实例监控及健康检查，注册中心为eureka，springboot提供了很好的组件springboot admin，2.x版本直接可以配置钉钉机器人告警。

效果：可以实现eureka注册的实例上线、下线触发钉钉告警。监控我们的服务实例健康检查。

搭建admin-server

pom依赖

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelversion>4.0.0</modelversion>
	<parent>
		<groupid>org.springframework.boot</groupid>
		<artifactid>spring-boot-starter-parent</artifactid>
		<version>2.4.11</version>
		<relativepath/> <!-- lookup parent from repository -->
	</parent>
	<groupid>com.example</groupid>
	<artifactid>admin-server</artifactid>
	<version>1.0.0</version>
	<name>etc-admin-server</name>
	<description>spring boot admin监控eureka服务实例和健康检查，钉钉告警</description>
	<properties>
		<java.version>1.8</java.version>
		<spring-boot-admin.version>2.4.3</spring-boot-admin.version>
		<spring-cloud.version>2020.0.4</spring-cloud.version>
	</properties>
	<dependencies>
        <dependency>
            <groupid>org.springframework.boot</groupid>
            <artifactid>spring-boot-starter-security</artifactid>
        </dependency>
        <dependency>
            <groupid>org.springframework.boot</groupid>
            <artifactid>spring-boot-starter-web</artifactid>
        </dependency>
		<dependency>
			<groupid>de.codecentric</groupid>
			<artifactid>spring-boot-admin-starter-server</artifactid>
		</dependency>
		<dependency>
			<groupid>org.springframework.cloud</groupid>
			<artifactid>spring-cloud-starter-netflix-eureka-client</artifactid>
		</dependency>

		<dependency>
			<groupid>org.springframework.boot</groupid>
			<artifactid>spring-boot-starter-test</artifactid>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<dependencymanagement>
		<dependencies>
			<dependency>
				<groupid>org.springframework.cloud</groupid>
				<artifactid>spring-cloud-dependencies</artifactid>
				<version>${spring-cloud.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
			<dependency>
				<groupid>de.codecentric</groupid>
				<artifactid>spring-boot-admin-dependencies</artifactid>
				<version>${spring-boot-admin.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencymanagement>

	<build>
        <finalname>${project.name}</finalname>
		<plugins>
			<plugin>
				<groupid>org.springframework.boot</groupid>
				<artifactid>spring-boot-maven-plugin</artifactid>
			</plugin>
		</plugins>
	</build>
</project>

application.yml配置

spring:
  application:
    name: admin-server
  security:
    user:
      name: "admin"
      password: "pwd"

  boot:
    admin:
      notify:
        dingtalk:
          enabled: true
          webhookurl: 'https://oapi.dingtalk.com/robot/send?access_token=钉钉机器人access_token'
          secret: '钉钉机器人secret'
          message: '服务告警: #{instance.registration.name} #{instance.id} is #{event.statusinfo.status}'
server:
  port: 9002

eureka:
  client:
    registryfetchintervalseconds: 5
    service-url:
      defaultzone: 'http://127.0.0.1:8020/eureka/'
  instance:
    hostname: ${spring.cloud.client.ip-address}
    instance-id: ${spring.cloud.client.ip-address}:${server.port}
    prefer-ip-address: true
    ip-address: ${spring.cloud.client.ip-address}
    leaserenewalintervalinseconds: 10
    health-check-url-path: /actuator/health
    metadata-map:
      user.name: ${spring.security.user.name}
      user.password: ${spring.security.user.password}

management:
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always

启动类

package com.example;

import de.codecentric.boot.admin.server.config.enableadminserver;
import org.springframework.boot.springapplication;
import org.springframework.boot.autoconfigure.springbootapplication;
import org.springframework.cloud.client.discovery.enablediscoveryclient;

/**
 * @author xxx
 */
@enableadminserver
@enablediscoveryclient
@springbootapplication
public class adminserverapplication {

	public static void main(string[] args) {
		springapplication.run(adminserverapplication.class, args);
	}
}

config类

package com.example;

import de.codecentric.boot.admin.server.config.adminserverproperties;
import org.springframework.context.annotation.configuration;
import org.springframework.security.config.annotation.web.builders.httpsecurity;
import org.springframework.security.config.annotation.web.configuration.websecurityconfigureradapter;
import org.springframework.security.web.authentication.savedrequestawareauthenticationsuccesshandler;
import org.springframework.security.web.csrf.cookiecsrftokenrepository;

/**
 * websecurity配置
 * @author xxxx
 */
@configuration
public class websecurityconfigure extends websecurityconfigureradapter {

    private final string admincontextpath;

    public websecurityconfigure(adminserverproperties adminserverproperties) {
        this.admincontextpath = adminserverproperties.getcontextpath();
    }

    @override
    protected void configure(httpsecurity http) throws exception {
        // @formatter:off
        savedrequestawareauthenticationsuccesshandler successhandler = new savedrequestawareauthenticationsuccesshandler();
        successhandler.settargeturlparameter("redirectto");
        successhandler.setdefaulttargeturl(admincontextpath + "/");

        http.authorizerequests()
                .antmatchers(admincontextpath + "/assets/**").permitall()
                .antmatchers(admincontextpath + "/login").permitall()
                .anyrequest().authenticated()
                .and()
                .formlogin().loginpage(admincontextpath + "/login").successhandler(successhandler).and()
                .logout().logouturl(admincontextpath + "/logout").and()
                .httpbasic().and()
                .csrf()
                .csrftokenrepository(cookiecsrftokenrepository.withhttponlyfalse())
                .ignoringantmatchers(
                        admincontextpath + "/instances",
                        admincontextpath + "/actuator/**"
                );
        // @formatter:on
    }
}

启动后效果

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