golang实现枚举类型
viper监控文件变化出现两次事件

gin支持prometheus

妙音 posted @ 2022年8月03日 15:25 in golang with tags go prometheus , 1154 阅读
 

起因

 
gin使用了微服务架构, 如何将自己的服务都监控起来?
 

疑问列表

 
 
1. grafana是什么, 能做什么?
 
grafana是一个监控平台,支持不同数据源的可视化。也就是说支持从prometheuse,influxdb等数据源, 并将他们的数据形式可视化的图表.
 
2. prometheus能做什么?
prometheuse是一个监控系统,通过定时http pull采集数据. 并且支持http push.
 
3. prometheus和grafana是什么关系?
prometheuse是监控系统, 界面展示比较粗糙, grafana主要是可视化, 并且支持多种类型数据源。
 
4. gin如何与prometheuse结合?
见后面
 
5. gin如何与grafana?
grafana不支持直接接入gin服务。需要gin先接入prometheuse,再将prometheus接入grafana。
 
6. gin服务的metrics数据格式如何解析?
暂时未找到
 
7. gin自定义监控项
略. 不是本文主题
 
 

下载安装

 
grafana
https://github.com/grafana/grafana

prometheus
https://github.com/prometheus/prometheus
 

gin支持prometheuse

 
1. 修改gin服务代码
 
import (
    ...
"github.com/gin-gonic/gin"
"github.com/prometheus/client_golang/prometheus/promhttp"
    ...
)


//metrics, promhttp默认可以查看cpu,mem,线程等信息
router.GET("/metrics", gin.WrapH(promhttp.Handler()))
 
2.修改prometheuse配置(prometheuse.yml)
 
scrape_configs:
  - job_name: "prometheus-demo"
    static_configs:
      - targets: ["192.168.28.26:8011"]
 
3. 启动服务
 
a. 启动gin和prometheuse服务后, 访问localhost:9090
 
b. 在"Expression"输入框选择"go_goroutines", 点击"Execute"
 
c. 刚开始数据比较少,可以过一段时间后再刷新页面
 
净土大经科注2014-doc
此生必看的科学实验-水知道答案
印光大师十念法(胡小林主讲第1集)
 
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