Prometheus:发现的服务地址是空的?

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问题描述

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我编写了一个非常基本的 Spring Boot 2 应用程序，它连接到 Zookeeper 以进行服务发现(通过使用 spring-cloud-starter-zookeeper-discovery).

I've written a very basic Spring Boot 2 application that connects to Zookeeper for service discovery (by using spring-cloud-starter-zookeeper-discovery).

应用程序在 /services/example-service 注册，值如下:

The application gets registered at /services/example-service with the following value:

{"name":"example-service","id":"cb14ad15-4d33-4f1c-a420-29980ddf2fa8","address":"bf3fb9191373","port":8080,"sslPort":null,"payload":{"@class":"org.springframework.cloud.zookeeper.discovery.ZookeeperInstance","id":"application-1","name":"example-service","metadata":{}},"registrationTimeUTC":1524120820273,"serviceType":"DYNAMIC","uriSpec":{"parts":[{"value":"scheme","variable":true},{"value":"://","variable":false},{"value":"address","variable":true},{"value":":","variable":false},{"value":"port","variable":true}]}}

地址是一个 id，因为我已经用 Docker 部署了堆栈.

The address is an id because I've deployed the stack with Docker.

我的 Prometheus 配置如下所示:

My Prometheus configuration looks like this:

- job_name: 'example-service'
  metrics_path: '/actuator/prometheus'
  serverset_sd_configs:
  - servers:
    - zookeeper:2181
    paths:
    - '/services/example-service'

Prometheus 的服务发现页面显示了以下发现的标签:

The service discovery page of Prometheus shows the following discovered labels:

__address__=":0"  __meta_serverset_endpoint_host=""  __meta_serverset_endpoint_port="0" __meta_serverset_path="/services/example-service/cb14ad15-4d33-4f1c-a420-29980ddf2fa8"  __meta_serverset_shard="0"  __meta_serverset_status="" __metrics_path__="/actuator/prometheus"  __scheme__="http"  job="example-service"

知道为什么 __address__ 是 :0 吗?

Any idea why __address__ is :0?

推荐答案

Serverset 发现是一个 使用 Zookeeper 的特定方式，您的应用程序未遵循该方式.在这种情况下，您可能需要 文件服务发现.

Serverset discovery is a particular way of using Zookeeper, which your application is not following. In this case you probably want file service discovery.

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