<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-server</artifactId>
    <!--2.2.0后admin的管理頁面支持中文-->
    <version>2.6.6</version>
</dependency>

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

<!--springboot security 安全相關(guān)-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

#配置一個賬號和密碼
spring.security.user.name=admin
spring.security.user.password=123456

/**
 * Security安全配置
 */
@Configuration
public class SecuritySecureConfig extends WebSecurityConfigurerAdapter {
    //項目應(yīng)用路徑
    private final String adminContextPath;
    public SecuritySecureConfig(AdminServerProperties adminServerProperties) {
        this.adminContextPath = adminServerProperties.getContextPath();
    }
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();
        successHandler.setTargetUrlParameter("redirectTo");
        successHandler.setDefaultTargetUrl(adminContextPath + "/");
        http.authorizeRequests()
                //無需登錄即可訪問
                .antMatchers(adminContextPath + "/assets/**").permitAll()
                .antMatchers(adminContextPath + "/login").permitAll()
                //.antMatchers(adminContextPath + "/instances/**").permitAll()
                .anyRequest().authenticated()
                .and()
                //登錄和登出路徑
                .formLogin().loginPage(adminContextPath + "/login").successHandler(successHandler).and()
                .logout().logoutUrl(adminContextPath + "/logout").and()
                //開啟http basic支持，admin-client注冊時需要使用
                .httpBasic().and()
                .csrf()
                //開啟基于cookie的csrf保護(hù)
                .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse())
                //忽略這些路徑的csrf保護(hù)以便admin-client注冊
                .ignoringAntMatchers(
                        adminContextPath + "/instances",
                        adminContextPath + "/actuator/**"
                );
    }
}

/**
 * 注入額外的請求頭，方便客戶端區(qū)分請求來源
 */
@Component
public class HttpHeadersProviderConfig implements HttpHeadersProvider {
    @Value("${server.port}")
    private String port;
    @Override
    public HttpHeaders getHeaders(Instance instance) {
        HttpHeaders httpHeaders = new HttpHeaders();
        //設(shè)置約定好的請求頭參數(shù)
        httpHeaders.add("spring-boot-admin-service", port);
        return httpHeaders;
    }
}

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

# 配置發(fā)送郵箱
spring.boot.admin.notify.mail.from=xxx@qq.com
# 配置接收郵箱
spring.boot.admin.notify.mail.to=xxx@qq.com
# 配置郵箱 smtp 地址（qq 發(fā)送郵箱的固定 host 是 smtp.qq.com）
spring.mail.host=smtp.qq.com
# 配置郵箱授權(quán)碼（此處為授權(quán)碼，而非密碼，獲取授權(quán)碼本文下一步有說明），需要開啟郵箱SMTP服務(wù)
spring.mail.password=xxxxxx
# 配置郵箱的賬戶名（這個是上面配置發(fā)送郵件的賬戶名）
spring.mail.username=xxx@qq.com

/**
 * 自定義通知
 * 繼承 AbstractStatusChangeNotifier 類，實現(xiàn)了 doNotify 方法，
 * 當(dāng)應(yīng)用狀態(tài)改變的時候會回調(diào) doNotify 方法。
 */
@Component
public class CustomNotifierConfig extends AbstractStatusChangeNotifier {
    public CustomNotifierConfig(InstanceRepository repository) {
        super(repository);
    }
    @Override
    protected Mono<Void> doNotify(InstanceEvent event, Instance instance) {
        return Mono.fromRunnable(() -> {
            if (event instanceof InstanceStatusChangedEvent) {
                System.out.println("實例名稱："+instance.getRegistration().getName());
                System.out.println("實例服務(wù)地址："+instance.getRegistration().getServiceUrl());
                String status = ((InstanceStatusChangedEvent) event).getStatusInfo().getStatus();
                switch (status) {
                    case "DOWN":
                        System.out.println("健康檢查沒通過！");
                        break;
                    case "OFFLINE":
                        System.out.println("服務(wù)離線！");
                        break;
                    case "UP":
                        System.out.println("服務(wù)上線！");
                        break;
                    case "UNKNOWN":
                        System.out.println("服務(wù)未知異常！");
                        break;
                    default:
                        System.out.println(status);
                        break;
                }
            }
        });
    }
}

<dependency>
  <groupId>de.codecentric</groupId>
  <artifactId>spring-boot-admin-starter-client</artifactId>
  <version>2.6.6</version>
</dependency>

<!--查看狀態(tài)信息的-->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

spring:  
  # Spring Boot Admin 監(jiān)控服務(wù)器端地址
  boot:
    admin:
      client:
        port: 9000
        url: http://localhost:${spring.boot.admin.client.port}
        # 如果設(shè)置了賬號密碼就需要
        username: admin
        password: 123456
# 開啟監(jiān)控所有項
management:
  endpoints:
    #公開所有端點web接口
    web:
      exposure:
        include: '*'
  endpoint:
    health:
      #顯示db、redis、rabbti連接情況等
      show-details: always
    #啟用端點，默認(rèn)情況下，除shutdown以外的所有端點均已啟用
    shutdown: true
    # 具體的日志路徑
    logfile:
      external-file: xxx
#添加描述
info:
  describe: SpringBootAdmin，Test Client Service!
  author: shawn
  version: 1.0.0

/**
 * 針對actuator接口做安全限制，只允許服務(wù)端調(diào)用
 */
@WebFilter
@ServletComponentScan
@Component
public class ActuatorFilter implements Filter {
    @Value("${spring.boot.admin.client.port}")
    private String adminServicePort;
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        //判斷約定好的請求頭參數(shù)
        if (request.getRequestURI().contains("/actuator") && !adminServicePort.equals(request.getHeader("spring-boot-admin-service"))){
            throw new RuntimeException("抱歉，你無權(quán)限訪問，Actuator端口受保護(hù)！ Sorry, you have no permission to access it，Actuator port protected！");
        }
        filterChain.doFilter(servletRequest, servletResponse);
    }
}