问答平台（8），项目监控

Spring Boot Actuator

- Endpoints: 监控应用的入口，Spring Boot内置了很多端点，也支持自定义端点。
- 监控方式: HTTP 或 JMX。
- 访问路径: 例如 "/actuator/health"。
- 注意事项: 按需配置暴露的端点，并对所有端点进行权限控制。

导入依赖

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

访问默认端点

http://localhost:8080/actuator/health

http://localhost:8080/actuator/info

配置文件

• application-develop.properties: 增加内容

  # actuator
  management.endpoints.web.exposure.include=*
  management.endpoints.web.exposure.exclude=info,caches

访问内置端点

• 访问链接

  localhost:8080/community/actuator/info
  localhost:8080/community/actuator/cache
  localhost:8080/community/actuator/health
  localhost:8080/community/actuator/beans
  localhost:8080/community/actuator/loggers

自定义端点

• DatabaseEndpoint: 新增

  @Component
  @Endpoint(id = "database")
  public class DatabaseEndpoint {
  
      private static final Logger logger = LoggerFactory.getLogger(DatabaseEndpoint.class);
  
      @Autowired
      private DataSource dataSource;
  
      @ReadOperation
      public String checkConnection() {
          try (
                  Connection conn = dataSource.getConnection();
          ) {
              return CommunityUtil.getJSONString(0, "获取连接成功!");
          } catch (SQLException e) {
              logger.error("获取连接失败: " + e.getMessage());
              return CommunityUtil.getJSONString(1, "获取连接失败!");
          }
      }
  }

权限管理

• SecurityConfig: 修改

  @Override
  protected void configure(HttpSecurity http) throws Exception {
      // 授权
      http.authorizeRequests()
              .antMatchers(
                      "/discuss/delete",
                      "/data/**",
                      "/actuator/**"
              )
              .hasAnyAuthority(
                      AUTHORITY_ADMIN
              )
              .anyRequest().permitAll()
              .and().csrf().disable();
  
      // 权限不够时的处理（略）
  }

结果展示

普通用户

管理员