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:
1、引入依赖:
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< dependency >
< groupId >org.springframework.boot</ groupId >
< artifactId >spring-boot-starter-actuator</ artifactId >
</ dependency >
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如果使用http调用的方式,还需要这个依赖:
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< dependency >
< groupId >org.springframework.boot</ groupId >
< artifactId >spring-boot-starter-web</ artifactId >
</ dependency >
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2、配置:
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):
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server:
port: 8082
management:
port: 54001
health:
mail:
enabled: false
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3、使用:
查看health指标:http://localhost:54001/health
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{"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}}}
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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:
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@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();
}
}
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/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
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info:
app:
name: "@project.name@" #从pom.xml中获取
description: "@project.description@"
version: "@project.version@"
spring-boot-version: "@project.parent.version@"
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/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:http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready
源代码参考:https://github.com/xujijun/my-spring-boot
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服务器之家。
原文链接:http://blog.csdn.net/clementad/article/details/52045495