创建Spring Boot Admin服务端

在 Spring Boot 项目中，Spring Boot Admin 作为 Server 端，其他的要被监控的应用作为 Client 端

pom.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>spring-clound-learning</artifactId><groupId>com.ji</groupId><version>1.0.0</version></parent><modelVersion>4.0.0</modelVersion><artifactId>admin-server</artifactId><name>服务监控中心</name><dependencies><!--表示为web工程--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId></dependency><!-- 安全认证 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-security</artifactId></dependency><!--暴露各种指标--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><!-- 监控中心管理页面 --><dependency><groupId>de.codecentric</groupId><artifactId>spring-boot-admin-starter-server</artifactId></dependency><dependency><groupId>de.codecentric</groupId><artifactId>spring-boot-admin-server-ui</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-webflux</artifactId></dependency><dependency><groupId>org.jolokia</groupId><artifactId>jolokia-core</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>build-info</goal></goals></execution></executions></plugin></plugins></build>
</project>

yml配置

server:port: 8888
info:groupId: @project.groupId@artifactId: @project.artifactId@version: @project.version@
spring:security:# 登陆所需的账号密码user:name: adminpassword: adminapplication:name: spring-boot-admin-serverboot:admin:ui:title: 服务监控中心
eureka:instance:hostname: localhostprefer-ip-address: truelease-renewal-interval-in-seconds: 10metadata-map:user:name: adminpassword: adminclient:registry-fetch-interval-seconds: 5registerWithEureka: truefetchRegistry: trueserviceUrl:defaultZone: http://localhost:1111/eureka/
management:endpoints:web:exposure:include: "*"endpoint:health:show-details: always

Application.java

@SpringBootApplication
@EnableEurekaClient
@EnableAdminServer
public class Application {public static void main(String[] args) {SpringApplication.run(Application.class, args);}
}

添加权限

package com.ji;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();}@Overrideprotected void configure(HttpSecurity http) throws Exception {// @formatter:offSavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();successHandler.setTargetUrlParameter("redirectTo");successHandler.setDefaultTargetUrl(adminContextPath + "/monitor");http.authorizeRequests().antMatchers(adminContextPath + "/assets/**").permitAll().antMatchers(adminContextPath + "/login").permitAll().anyRequest().authenticated().and().formLogin().loginPage(adminContextPath + "/login").successHandler(successHandler).and().logout().logoutUrl(adminContextPath + "/logout").and().httpBasic().and().csrf().csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse()).ignoringAntMatchers(adminContextPath + "/instances",adminContextPath + "/actuator/**");}
}

创建默认用户

@EnableWebSecurity
public class WebSecurityConfig implements WebMvcConfigurer {@Beanpublic UserDetailsService userDetailsService() throws Exception {InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();PasswordEncoder encoder = PasswordEncoderFactories.createDelegatingPasswordEncoder();manager.createUser(User.withUsername("admin").password(encoder.encode("admin")).roles("administrator").build());return manager;}
}

启动Spring Boot Admin服务端

打开浏览器输入http://localhost:8888/,首先进入的是登陆界面，输入用户/密码 admin/admin，即可进入监控页面

配置Spring Boot Admin客户端

这里我没有在实际监控的应用端配置Spring Boot Admin客户端，我只在服务注册中心配置Spring Boot Admin客户端，其它应用端注册到服务注册中心，也能在Spring Boot Admin监控中心看到。
所以我在 Spring Cloud 基于Spring Boot 2.0.6的服务注册与发现（Eureka）创建的服务注册中心修改pom文件和yml文件后，重启了下服务注册中心，修改结果如下

pom.xml增加spring-boot-admin-starter-client依赖

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

yml文件增加Spring Boot Admin服务端地址和授权

spring:boot:admin:client:url: http://localhost:8888username: adminpassword: admin

重启服务注册中心

刷新Spring Boot Admin服务端管理页面即可监控到所有注册到服务中心的所以应用端程序