Spring Boot Admin 可以对SpringBoot应用的各项指标进行监控,可以作为微服务架构中的监控中心来使用,本文将对其用法进行详细介绍。
SpringBoot应用可以通过Actuator来暴露应用运行过程中的各项指标,Spring Boot Admin通过这些指标来监控SpringBoot应用,然后通过图形化界面呈现出来。Spring Boot Admin不仅可以监控单体应用,还可以和Spring Cloud的注册中心相结合来监控微服务应用。
Spring Boot Admin 可以提供应用的以下监控信息:
这里我们创建一个admin-server模块来作为监控中心演示其功能。
<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> 复制代码
spring: application: name: admin-server server: port: 9301 复制代码
@EnableAdminServer @SpringBootApplication public class AdminServerApplication { public static void main(String[] args) { SpringApplication.run(AdminServerApplication.class, args); } } 复制代码
这里我们创建一个admin-client模块作为客户端注册到admin-server。
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-client</artifactId> </dependency> 复制代码
spring: application: name: admin-client boot: admin: client: url: http://localhost:9301 #配置admin-server地址 server: port: 9305 management: endpoints: web: exposure: include: '*' endpoint: health: show-details: always logging: file: admin-client.log #添加开启admin的日志监控 复制代码
点击wallboard按钮,选择admin-client查看监控信息;
监控信息概览;
logging: file: admin-client.log #添加开启admin的日志监控 复制代码
Spring Boot Admin结合Spring Cloud 注册中心使用,只需将admin-server和注册中心整合即可,admin-server 会自动从注册中心获取服务列表,然后挨个获取监控信息。这里以Eureka注册中心为例来介绍下该功能。
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> </dependency> 复制代码
spring: application: name: admin-server server: port: 9301 eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://localhost:8001/eureka/ 复制代码
@EnableDiscoveryClient @EnableAdminServer @SpringBootApplication public class AdminServerApplication { public static void main(String[] args) { SpringApplication.run(AdminServerApplication.class, args); } } 复制代码
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> </dependency> 复制代码
spring: application: name: admin-client server: port: 9305 management: endpoints: web: exposure: include: '*' endpoint: health: show-details: always logging: file: admin-client.log #添加开启admin的日志监控 eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://localhost:8001/eureka/ 复制代码
@EnableDiscoveryClient @SpringBootApplication public class AdminClientApplication { public static void main(String[] args) { SpringApplication.run(AdminClientApplication.class, args); } } 复制代码
启动eureka-server,使用application-eureka.yml配置启动admin-server,admin-client;
查看注册中心发现服务均已注册: http://localhost:8001/
我们可以通过给admin-server添加Spring Security支持来获得登录认证功能。
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> </dependency> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-server</artifactId> <version>2.1.5</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> 复制代码
spring: application: name: admin-security-server security: # 配置登录用户名和密码 user: name: macro password: 123456 boot: # 不显示admin-security-server的监控信息 admin: discovery: ignored-services: ${spring.application.name} server: port: 9301 eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://localhost:8001/eureka/ 复制代码
/** * Created by macro on 2019/9/30. */ @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 { SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler(); successHandler.setTargetUrlParameter("redirectTo"); successHandler.setDefaultTargetUrl(adminContextPath + "/"); http.authorizeRequests() //1.配置所有静态资源和登录页可以公开访问 .antMatchers(adminContextPath + "/assets/**").permitAll() .antMatchers(adminContextPath + "/login").permitAll() .anyRequest().authenticated() .and() //2.配置登录和登出路径 .formLogin().loginPage(adminContextPath + "/login").successHandler(successHandler).and() .logout().logoutUrl(adminContextPath + "/logout").and() //3.开启http basic支持,admin-client注册时需要使用 .httpBasic().and() .csrf() //4.开启基于cookie的csrf保护 .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse()) //5.忽略这些路径的csrf保护以便admin-client注册 .ignoringAntMatchers( adminContextPath + "/instances", adminContextPath + "/actuator/**" ); } } 复制代码
@EnableDiscoveryClient @EnableAdminServer @SpringBootApplication public class AdminSecurityServerApplication { public static void main(String[] args) { SpringApplication.run(AdminSecurityServerApplication.class, args); } } 复制代码
springcloud-learning ├── eureka-server -- eureka注册中心 ├── admin-server -- admin监控中心服务 ├── admin-client -- admin监控中心监控的应用服务 └── admin-security-server -- 带登录认证的admin监控中心服务 复制代码