SpringBoot实现项目健康检查与监控

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

{
 "status": "UP",
 "diskSpace": {
  "status": "UP",
  "total": 398458875904,
  "free": 315106918400,
  "threshold": 10485760
 },
 "db": {
  "status": "UP",
  "database": "MySQL",
  "hello": 1
 }
}

@Component
public class User implements HealthIndicator {
 /**
  * user监控 访问: http://localhost:8088/health
  *
  * @return 自定义Health监控
  */
 @Override
 public Health health() {
  return new Health.Builder().withDetail("usercount", 10) //自定义监控内容
    .withDetail("userstatus", "up").up().build();
 }
}

{
 "status": "UP",
 "user": {
  "status": "UP",
  "usercount": 10,
  "userstatus": "up"
 },
 "diskSpace": {
  "status": "UP",
  "total": 398458875904,
  "free": 315097989120,
  "threshold": 10485760
 },
 "db": {
  "status": "UP",
  "database": "MySQL",
  "hello": 1
 }
}

@Configuration
public class EndPointAutoConfig {
 @Bean
 public Endpoint<Map<String, Object>> customEndPoint() {
  return new SystemEndPoint();
 }
}
@ConfigurationProperties(prefix="endpoints.customsystem")
public class SystemEndPoint extends AbstractEndpoint<Map<String, Object>> {
 public SystemEndPoint(){
  super("customsystem");
 }
 @Override
 public Map<String, Object> invoke() {
  Map<String,Object> result= new HashMap<>();
  Map<String, String> map = System.getenv();
  result.put("username",map.get("USERNAME"));
  result.put("computername",map.get("COMPUTERNAME"));
  result.put("userdomain",map.get("USERDOMAIN"));
  return result;
 }
}

{
 "username": "xxx",
 "userdomain": "DESKTOP-6EAN1H4",
 "computername": "DESKTOP-6EAN1H4"
}

{
 status: "UP",
 diskSpace: 
 {
 status: "UP",
 total: 250182889472,
 free: 31169568768,
 threshold: 10485760
 },
 db: 
 {
 status: "UP",
 database: "H2",
 hello: 1
 }
}

{
 status: "UP"
}

management:
 security:
 enabled: false
endpoints:
 health:
 sensitive: false

management.endpoint.health.show-details=always