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>
spring:
application:
name: admin-server
server:
port: 9301
@EnableAdminServer
@SpringBootApplication
public class AdminServerApplication {
public static void main(String[] args) {
SpringApplication.run(AdminServerApplication.class, args);
}
}
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>
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
logging:
file: admin-client.log #添加开启admin的日志监控
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>
spring:
application:
name: admin-server
server:
port: 9301
eureka:
client:
register-with-eureka: true
fetch-registry: true
service-url:
defaultZone: http://localhost:8001/eureka/
@EnableDiscoveryClient
@EnableAdminServer
@SpringBootApplication
public class AdminServerApplication {
public static void main(String[] args) {
SpringApplication.run(AdminServerApplication.class, args);
}
}
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
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/
@EnableDiscoveryClient
@SpringBootApplication
public class AdminClientApplication {
public static void main(String[] args) {
SpringApplication.run(AdminClientApplication.class, args);
}
}
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>
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/
/**
* 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/**"
);
}
}
@EnableDiscoveryClient
@EnableAdminServer
@SpringBootApplication
public class AdminSecurityServerApplication {
public static void main(String[] args) {
SpringApplication.run(AdminSecurityServerApplication.class, args);
}
}
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
https://github.com/macrozheng/springcloud-learning