Spring Boot Admin 服务监控利器 ！

<!--用于检查系统的监控情况-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!--Spring Boot Admin Server监控服务端-->
<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-server</artifactId>
    <version>2.3.1</version>
</dependency>
<!--增加安全防护，防止别人随便进-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

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;

@Configuration
public class SecuritySecureConfig extends WebSecurityConfigurerAdapter {

    private final String adminContextPath;

    public SecuritySecureConfig(AdminServerProperties adminServerProperties) {
        this.adminContextPath = adminServerProperties.getContextPath();
    }


    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // 登录成功处理类
        SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();
        successHandler.setTargetUrlParameter("redirectTo");
        successHandler.setDefaultTargetUrl(adminContextPath + "/");

        http.authorizeRequests()
            //静态文件允许访问
            .antMatchers(adminContextPath + "/assets/**").permitAll()
            //登录页面允许访问
            .antMatchers(adminContextPath + "/login", "/css/**", "/js/**", "/image/*").permitAll()
            //其他所有请求需要登录
            .anyRequest().authenticated()
            .and()
            //登录页面配置，用于替换security默认页面
            .formLogin().loginPage(adminContextPath + "/login").successHandler(successHandler).and()
            //登出页面配置，用于替换security默认页面
            .logout().logoutUrl(adminContextPath + "/logout").and()
            .httpBasic().and()
            .csrf()
            .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse())
            .ignoringAntMatchers(
            "/instances",
            "/actuator/**"
        );
    }
}

server:
  port: 9111
spring:
  boot:
    admin:
      ui:
        title: HMB服务监控中心
      client:
        instance:
          metadata:
            tags:
              environment: local
         #要获取的client的端点信息
      probed-endpoints: health,env,metrics,httptrace:trace,threaddump:dump,jolokia,info,logfile,refresh,flyway,liquibase,heapdump,loggers,auditevents
      monitor: # 监控发送请求的超时时间
        default-timeout: 20000
  security: # 设置账号密码
    user:
      name: admin
      password: admin
# 服务端点详细监控信息
management:   
  trace:
    http:
      enabled: true
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always

import de.codecentric.boot.admin.server.domain.entities.Instance;
import de.codecentric.boot.admin.server.domain.entities.InstanceRepository;
import de.codecentric.boot.admin.server.domain.events.InstanceEvent;
import de.codecentric.boot.admin.server.notify.AbstractStatusChangeNotifier;
import org.springframework.stereotype.Component;
import reactor.core.publisher.Mono;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

@Component
public class WarnNotifier extends AbstractStatusChangeNotifier {
    public WarnNotifier(InstanceRepository repository) {
        super(repository);
    }

    @Override
    protected Mono<Void> doNotify(InstanceEvent event, Instance instance) {
        // 服务名
        String serviceName = instance.getRegistration().getName();
        // 服务url
        String serviceUrl = instance.getRegistration().getServiceUrl();
        // 服务状态
        String status = instance.getStatusInfo().getStatus();
        // 详情
        Map<String, Object> details = instance.getStatusInfo().getDetails();
        // 当前服务掉线时间
        Date date = new Date();
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String format = simpleDateFormat.format(date);
        // 拼接短信内容
        StringBuilder str = new StringBuilder();
        str.append("服务名：【" + serviceName + "】 \r\n");
        str.append("服务状态：【"+ status +"】 \r\n");
        str.append("地址：【" + serviceUrl + "】\r\n");
        str.append("时间：" + format +"\r\n");

        return Mono.fromRunnable(()->{
            // 这里写你服务发生改变时，要提醒的方法
            // 如服务掉线了，就发送短信告知
        });
    }
}

<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-client</artifactId>
    <version>2.3.1</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

server:
  port: 9222

spring:
  application:
    name: client
  boot:
    admin:
      client: # spring-boot-admin 客户端配置
        url: http://localhost:9111 #服务端连接地址
        username: admin # 服务端账号
        password: admin # 服务端密码
        instance:
          prefer-ip: true # 使用ip注册

# 服务端点详细监控信息
management:
# health:  # 检测服务状态是通过http://localhost:9111/actuator/health接口，可去掉不用检测项
#  mail: # 健康检测时，不要检测邮件
#   enabled: false 
  trace:
    http:
      enabled: true
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always
    logfile: # 日志（想在线看日志才配）
      external-file: ./logs/client-info.log # 日志所在路径

  <!--  nacos注册中心配置-->
  <dependency>
      <groupId>com.alibaba.cloud</groupId>
      <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
      <version>2.2.5.RELEASE</version>
  </dependency>

spring:
  cloud: 
    nacos: 
      discovery:
        server-addr: localhost:8848
#        namespace: # 要和你的服务同一命名空间

spring:
  cloud:
    nacos:
      discovery:
        metadata:  # minitor监控的context-path配置
          management:
            context-path: ${server.servlet.context-path}/actuator