springboot-admin對springboot專案監控

簡介

springboot-admin實在Spring Boot Actuator的基礎上提供簡潔的視覺化WEB UI，是用來管理SpringBoot應用程式的一個簡單的介面，功能如下：

1. 顯示 name/id 和版本號
2. 顯示線上狀態
3. Logging日誌級別管理
4. JMX beans管理
5. Threads會話和執行緒管理
6. Trace應用請求跟蹤
7. 應用執行引數資訊，如：
   • Java 系統屬性
   • Java 環境變數屬性
   • 記憶體資訊
   • Spring 環境屬性

應用

1.新建springboot-admin服務端

引入服務端pom依賴：

        <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>
			<version>2.0.1</version>
		</dependency>

		<dependency>
			<groupId>de.codecentric</groupId>
			<artifactId>spring-boot-admin-server-ui</artifactId>
			<version>2.0.1</version>
		</dependency>

		<!-- spring-security安全認證 -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-security</artifactId>
		</dependency>

		<dependency>
			<groupId>org.jolokia</groupId>
			<artifactId>jolokia-core</artifactId>
		</dependency>
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application.yml配置

server:
  port: 8080

#admin登入的使用者名稱和密碼
spring:
  application:
    name: admin-server

  #security使用者配置
  security:
    user:
      name: admin
      password: admin

  boot:
    admin:
      context-path: /admin  
      discovery: true

management:
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always
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新建SecuritySecureConfig配置：

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;

/**
 * @Description: TODO(Springboot-Admin登入配置)
 * @Author: 愛飄de小子
 */
@Configuration
public class SecuritySecureConfig extends WebSecurityConfigurerAdapter{

    /**
     * -private
     * 定義Admin上下文路徑
     */
    private final String adminContextPath;

    /**
     * 由於解決分散式Web應用程式中的身份驗證和授權有多種方法，因此Spring Boot Admin不提供預設方法。預設情況下，spring-boot-admin-server-ui提供登入頁面和登出按鈕。
     * Spring Security配置
     * @param adminServerProperties
     */
    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()
                .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().disable();
    }
}
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啟動類新增@EnableAdminServer註解：

import de.codecentric.boot.admin.server.config.EnableAdminServer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * @author 愛飄de小子
 */
@EnableAutoConfiguration
@EnableAdminServer
@SpringBootApplication
public class AdminServerApplication {

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

}
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啟動springboot專案即可訪問: ip:port/admin

2.配置客戶端（被監控的springboot專案）

pom檔案新增依賴：

		<!-- springboot admin 客戶端 -->
		<dependency>
			<groupId>de.codecentric</groupId>
			<artifactId>spring-boot-admin-starter-client</artifactId>
			<version>2.0.1</version>
		</dependency>

		<dependency>
			<groupId>org.jolokia</groupId>
			<artifactId>jolokia-core</artifactId>
		</dependency>
		<!-- web-->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
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application.yml配置：

spring:
  boot:
    admin:
      client:
        url: http://localhost:8080/
        username: admin
        password: admin
        instance:
          prefer-ip: true  #使用IP註冊
          
#專案健康監控
management:
  endpoints:
    web:
      exposure:
        include: "*"
      base-path: /admin  #服務端配置的context-path
  endpoint:
    health:
      show-details: always

#專案資訊 
info:
  app:
    #自定義顯示資訊
    name: "xxx"
    description: "xxx"
    version: "xx"
    environment: "xx"
    spring-boot-version: "2.0.1.RELEASE"
    spring-admin-version: "2.0.1"
  version: "1.0"
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