Spring boot admin 服务监控利器详解

	  <!--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:
  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