SpringBoot整合Spring Boot Admin实现服务监控的方法

目录

• 1. Server端服务开发
• 1.1. 引入核心依赖
• 1.2. application.yml配置文件
• 1.3. Security配置文件
• 1.4. 主启动类
• 2. Client端服务开发
• 2.1. 引入核心依赖
• 2.2. application.yml配置文件
• 2.3. logback-spring.xml文件
• 2.4. 主启动类
• 3. 验证
• 4. 配置邮件告警
• 4.1. 引入核心依赖
• 4.3. 通知配置文件
• 4.4. 验证

Spring Boot Admin用于管理和监控一个或多个Spring Boot服务，其分为Server端和Client端，Server端相当于一个注册中心，Client端通过Http请求向Server端进行注册，也可以结合Eureka、Nacos等注册中心实现服务注册。

1. Server端服务开发

1.1. 引入核心依赖

<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-server</artifactId>
    <version>2.3.1</version>
</dependency>
<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>

1.2. application.yml配置文件

server:
  port: 8138
  servlet:
    context-path: /admin
spring:
  application:
    name: springboot-admin-server
  security:
    user:
      name: admin
      password: 123456

1.3. Security配置文件

@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    private String adminSecurityContextPath;
    public SecurityConfig(AdminServerProperties adminServerProperties) {
        this.adminSecurityContextPath = adminServerProperties.getContextPath();
    }
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();
        successHandler.setTargetUrlParameter("redirectTo");
        http.authorizeRequests()
                .antMatchers(adminSecurityContextPath + "/assets/**").permitAll()
                .antMatchers(adminSecurityContextPath + "/login").permitAll()
                .anyRequest().authenticated()
                .and()
                .formLogin().loginPage(adminSecurityContextPath + "/login").successHandler(successHandler)
                .logout().logoutUrl(adminSecurityContextPath + "/logout")
                .httpBasic()
                .csrf()
                .ignoringAntMatchers(adminSecurityContextPath + "/instances", adminSecurityContextPath + "/actuator/**")
                .disable();
}

1.4. 主启动类

@EnableAdminServer
@SpringBootApplication
public class AdminServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(AdminServerApplication.class, args);
    }
}

2. Client端服务开发

2.1. 引入核心依赖

<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-web</artifactId>
</dependency>

2.2. application.yml配置文件

server:
  port: 8238
spring:
  application:
    name: springboot-admin-client
  boot:
    admin:
      client:
        url: http://localhost:8138/admin
        instance:
          prefer-ip: true
        username: admin
        password: 123456
management:
  endpoints:
    web:
      exposure:
        include: '*'
  endpoint:
    health:
      show-details: always
    shutdown:
      enabled: true
    logfile:
      external-file: ./logs/log_file.log
logging:
  config: classpath:logback-spring.xml
  level:
    com.xlhj.boot.admin: debug
info:
  author: caijliu
  projectName: springboot整合springboot admin
  version: 1.0

2.3. logback-spring.xml文件

<?xml version="1.0" encoding="UTF-8" ?>
<configuration>
    <property name="log.path" value="./logs"/>
    <!--彩色日志依赖的渲染类-->
    <conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter"/>
    <conversionRule conversionWord="wex" converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />
    <conversionRule conversionWord="wEx" converterClass="org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter" />

    <property name="CONSOLE_LOG_PATTERN" value="${CONSOLE_LOG_PATTERN:-%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>
    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
    <include resource="org/springframework/boot/logging/logback/file-appender.xml"/>
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>
    <!--配置日志输出到文件-->
    <appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${log.path}/log_file.log</file>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 每天日志归档路径以及格式 -->
            <FileNamePattern>${log.path}/log_file-%d{yyyy-MM-dd}-%i.log</FileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文件保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
    <logger name="com.xlhj.boot.admin" level="info"/>
    <root level="info">
        <appender-ref ref="console"/>
        <appender-ref ref="file"/>
    </root>
</configuration>

2.4. 主启动类

@SpringBootApplication
public class AdminClientApplication {

    private static Logger logger = LoggerFactory.getLogger(AdminClientApplication.class);

    public static void main(String[] args) {
        SpringApplication.run(AdminClientApplication.class, args);
        logger.info("服务启动成功,当前时间为:{}", LocalDateTime.now());
        logger.error("服务启动成功,当前时间为:{}", LocalDateTime.now());
    }
}

3. 验证

分别启动Server和Client服务，在浏览器输入地址：http://localhost:8138/admin

输入用户名和密码：admin/123456，登陆成功后，可以看到如下页面

点击该服务可以进入具体的监控页面，注意需要点击下图箭头所指位置

点击进入服务后，可以看到如下信息

将滚动条往下拉，可以看到内存、线程等信息

选择日志—>日志文件可以查看到服务的日志信息

点击日志配置可以动态调节每个包/类的日志级别

选择应用墙选项，可以查看到应用有哪些服务被监控

4. 配置邮件告警

Spring Boot Admin还可以对其监控的服务提供告警功能，当出现重大故障，如服务宕机时，可以及时以邮件方式通知运维人员

4.1. 引入核心依赖

在Server服务中引入邮件依赖

<dependency>
   <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

4.2. application.yml

在yml配置文件中加入如下配置信息

spring:
  mail:
    host: smtp.qq.com
    username: xxxxx@qq.com
    password: 授权码
  boot:
    admin:
      notify:
        mail:
          to: 收件人邮箱
          from: 发件人邮箱

4.3. 通知配置文件

@Configuration
public class NotificationConfig {

    private InstanceRepository instanceRepository;
    private ObjectProvider<List<Notifier>> provider;

    public NotificationConfig(InstanceRepository instanceRepository, ObjectProvider<List<Notifier>> provider) {
        this.instanceRepository = instanceRepository;
        this.provider = provider;
    }

    @Bean
    public FilteringNotifier filteringNotifier() {
        CompositeNotifier compositeNotifier = new CompositeNotifier(this.provider.getIfAvailable(Collections::emptyList));
        return new FilteringNotifier(compositeNotifier, this.instanceRepository);
    }

    @Bean
    @Primary
    public RemindingNotifier remindingNotifier() {
        RemindingNotifier remindingNotifier = new RemindingNotifier(filteringNotifier(), this.instanceRepository);
        //配置每隔多久提示
        remindingNotifier.setReminderPeriod(Duration.ofMinutes(1));
        //配置每隔多久检查
        remindingNotifier.setCheckReminderInverval(Duration.ofSeconds(10));
        return remindingNotifier;
    }
}

4.4. 验证

先将Client服务关闭，稍等一会便会收到宕机提示邮件

再次将Client服务启动

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