如何使用Telegraf监视SystemD服务？

发布于 2025-01-24 07:55:53 字数 214 浏览 2 评论 0 原文

我创建了一个在系统中运行的SystemD服务，我想使用我已经在实例上安装的Telegraf代理进行监视。该代理商目前正在监视基本的基础内容，我需要将监视添加到新服务中。

我找不到有关如何做的示例，这很奇怪，我希望Telegraf为基本内容提供某种插件。

我的服务正在运行一个不会暴露任何端口的Python脚本，因此我可以进行普通的HTTP健康检查。

任何帮助将不胜感激。

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不羁少年 2025-01-31 07:55:53

所以我发现确实有一个可以监视系统服务的插件，
该名称为 systemd_units 。

这是我实现的配置：

# Gather systemd units state
[[inputs.systemd_units]]
  ## Set timeout for systemctl execution
   timeout = "1s"

  # Filter for a specific unit type, default is "service", other possible
  # values are "socket", "target", "device", "mount", "automount", "swap",
  # "timer", "path", "slice" and "scope ":
  unittype = "service"

  # Filter for a specific pattern, default is "" (i.e. all), other possible
  # values are valid pattern for systemctl, e.g. "a*" for all units with
  # names starting with "a"
  pattern = ""
  ## pattern = "telegraf* influxdb*"
  ## pattern = "a*"

在InfluxDB中获取指标后，这是我用来提取所需数据的查询：

from(bucket: "veeva")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r["_field"] == "active_code")
  |> filter(fn: (r) => r["_measurement"] == "systemd_units")
  |> filter(fn: (r) => r["active"] == "active")
  |> filter(fn: (r) => r["host"] == "10.192.21.66")
  |> filter(fn: (r) => r["name"] == "myservice.service")
  |> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
  |> yield(name: "mean")
  [1]:

这就是Grafana中的样子：

So I found that indeed there is a plugin that monitors systems service,
The name is systemd_units.

This is the configuration I've implemented:

# Gather systemd units state
[[inputs.systemd_units]]
  ## Set timeout for systemctl execution
   timeout = "1s"

  # Filter for a specific unit type, default is "service", other possible
  # values are "socket", "target", "device", "mount", "automount", "swap",
  # "timer", "path", "slice" and "scope ":
  unittype = "service"

  # Filter for a specific pattern, default is "" (i.e. all), other possible
  # values are valid pattern for systemctl, e.g. "a*" for all units with
  # names starting with "a"
  pattern = ""
  ## pattern = "telegraf* influxdb*"
  ## pattern = "a*"

After getting the metrics in the influxDB This is the query I used to extract the data I needed:

from(bucket: "veeva")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r["_field"] == "active_code")
  |> filter(fn: (r) => r["_measurement"] == "systemd_units")
  |> filter(fn: (r) => r["active"] == "active")
  |> filter(fn: (r) => r["host"] == "10.192.21.66")
  |> filter(fn: (r) => r["name"] == "myservice.service")
  |> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
  |> yield(name: "mean")
  [1]:

And this is how it looks like in Grafana:

https://docs.influxdata.com/telegraf/v1.22/plugins/#systemd_units