Spring 引导执行器仅暴露有限的端点

Question

I am trying to expose additional actuator endpoints in my Spring Boot 2.3 service. Attempting to add endpoints such as the prometheus and metrics for monitoring. But for some reason, the exposed endpoints are locked to the default loggers,health,info.

For some background, within the org, there is a parent Spring dependency which automatically brings all of the Spring essentials, as well as some generic code useful within the org. I use this dependency in many of my other projects and was able to expose these additional actuator endpoints successfully. However, in this project with multiple artifacts, I am unable to edit the default exposed actuator endpoints.

Printing the configurableEnvironment post init always shows the exposure property as follows

management.endpoints.web.exposure.include = loggers,health,info

This is after trying to override this property to an expanded list (loggers,health,info,Prometheus,metrics) using below methods:

• Enabling specific endpoint via management.endpoint.metrics.enabled: true
• Specifying these values in application.yaml
• Passing this as a Command line arguement Dmanagement.endpoints.web.exposure.include=loggers,health,info,prometheus,metrics
• Using mvn dependency:tree To exclude any transitive actuator dependencies

I don't believe its due to the org's parent pom, likely due to another dependency we are using. But due to the size of this project, it is quite hard to remove dependencies to test. Is there any way to track down where these properties are set. Or perhaps additional ways to force exposure of the additional endpoints I want?

——

Actuator config

management:
  endpoints:
    web:
      exposure:
        include: metrics,prometheus,info,health,logging
  endpoint:
    env:
      enabled: true
    metrics:
      enabled: true
    info:
      enabled: true
    health:
      enabled: true
      show-details: always
    beans:
      enabled: true
    caches:
      enabled: true
    threaddump:
      enabled: true
    prometheus:
      enabled: true

Actuator info

{"_links":{"self":{"href":"http://localhost:9050/actuator","templated":false},"health":{"href":"http://localhost:9050/actuator/health","templated":false},"health-path":{"href":"http://localhost:9050/actuator/health/{*path}","templated":true},"info":{"href":"http://localhost:9050/actuator/info","templated":false},"loggers":{"href":"http://localhost:9050/actuator/loggers","templated":false},"loggers-name":{"href":"http://localhost:9050/actuator/loggers/{name}","templated":true}}}

Answer 1

Your question lacks some background, like your pom.xml or build.gradle files and full application.yml config.

I will go through the basic steps, which you may have missed.

Firstly, please make sure that you've included the Prometheus dependency:

<dependency>
  <groupId>io.micrometer</groupId>
  <artifactId>micrometer-registry-prometheus</artifactId>
  <scope>runtime</scope>
</dependency>

Also, don't forget that some metrics require the AOP dependency (like custome timers, for example):

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

To enable the Prometheus metrics exposure, you should specify such configuration in your application.yml file (it seems like you did it correctly, but let's list it here for the full picture):

management:
  endpoints:
    web.exposure.include: health, info, prometheus

To verify that the Prometheus endpoints were exposed, please use the GET request to this URL: http://localhost:8080/actuator/prometheus

If those steps don't help you resolve your issue, please add more details to your question.