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详解spring-boot actuator(监控)配置和使用

  • 时间:2020-06-19 16:10 编辑: 来源: 阅读:
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摘要:详解spring-boot actuator(监控)配置和使用
在生产环境中,需要实时或定期监控服务的可用性。spring-boot 的actuator(监控)功能提供了很多监控所需的接口。简单的配置和使用如下: [b]1、引入依赖:[/b]
<dependency> 
  <groupId>org.springframework.boot</groupId> 
  <artifactId>spring-boot-starter-actuator</artifactId> 
</dependency> 
如果使用http调用的方式,还需要这个依赖:
<dependency> 
  <groupId>org.springframework.boot</groupId> 
  <artifactId>spring-boot-starter-web</artifactId> 
</dependency> 
[b]2、配置: [/b] application.yml中指定监控的HTTP端口(如果不指定,则使用和server相同的端口);指定去掉某项的检查(比如不监控health.mail):
server: 
 port: 8082 
management: 
 port: 54001 
 health: 
  mail: 
   enabled: false 
[b]3、使用:[/b] 查看health指标:http://localhost:54001/health
{"status":"UP","diskSpace":{"status":"UP","total":120031539200,"free":33554337792,"threshold":10485760},"db":{"status":"UP","dataSource1":{"status":"UP","database":"MySQL","hello":1},"dataSource2":{"status":"UP","database":"MySQL","hello":1}}} 
4、自定义指标: 4.1 /health:在某个类中implements HealthIndicator接口,然后实现其中的health()方法即可: 代码:
@SpringBootApplication 
@EnableScheduling 
public class MySpringBootApplication implements HealthIndicator{ 
  private static Logger logger = LoggerFactory.getLogger(MySpringBootApplication.class); 
   
  public static void main(String[] args) { 
    SpringApplication.run(MySpringBootApplication.class, args); 
    logger.info("My Spring Boot Application Started"); 
  } 
 
  /** 
   * 在/health接口调用的时候,返回多一个属性:"mySpringBootApplication":{"status":"UP","hello":"world"} 
   */ 
  @Override 
  public Health health() { 
    return Health.up().withDetail("hello", "world").build(); 
  } 
} 
/health 运行结果(注意第二个指标): {"status":"UP","mySpringBootApplication":{"status":"UP","hello":"world"},"diskSpace":{"status":"UP","total":120031539200,"free":33554337792,"threshold":10485760},"db":{"status":"UP","dataSource1":{"status":"UP","database":"MySQL","hello":1},"dataSource2":{"status":"UP","database":"MySQL","hello":1}}} 4.2 /info:配置如下,可以直接给一个字符串,也可以从pom.xml配置中获取
info: 
 app: 
  name: "@project.name@" #从pom.xml中获取 
  description: "@project.description@" 
  version: "@project.version@" 
  spring-boot-version: "@project.parent.version@" 
/info的结果如下: {"app":{"name":"my-spring-boot","description":"Test Project for Spring Boot","version":"1.0","spring-boot-version":"1.3.6.RELEASE"}} 官网:[url=http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready]http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready[/url] 源代码参考:[url=https://github.com/xujijun/my-spring-boot]https://github.com/xujijun/my-spring-boot[/url] 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持编程素材网。
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