prometheus windows_exporter windows_os_info无法获取的问题

zhuchengchengct

已于 2023-01-28 14:59:43 修改

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文章标签： windows prometheus

于 2022-04-25 20:14:10 首次发布

本文链接：https://blog.youkuaiyun.com/zhuchengchengct/article/details/124413130

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Windows_exporter在运行时遇到错误，无法显示主机名和操作系统信息，问题源于缺少页面文件配置。解决方案是在注册表中添加'ExistingPageFiles'项，设置为空值，以修复无法找到文件的错误。

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Windows_exporter不显示主机名、操作系统等信息的问题主机名和操作系统无法显示
终端运行windows_exporter --log.level=debug发现报错：

time="2022-04-25T19:12:06+08:00" level=error msg="failed collecting os metrics:<nil> The system cannot find the file specified." source="os.go:137"
time="2022-04-25T19:12:06+08:00" level=error msg="collector os failed after 0.014036s: The system cannot find the file specified." source="exporter.go:207"specified." source="exporter.go:207"

在官方github上找到解决办法：
https://github.com/prometheus-community/windows_exporter/issues/939

原因是终端未配置页面文件导致（pagefile.sys），解决方法是在注册表增加“ExistingPageFiles ”项目，空值即可：

reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v ExistingPageFiles /t REG_MULTI_SZ

2023.1.28更新
除以上pagefile原因外发现新的原因，现象同样是不显示主机名，系统版本等信息，debug日志包含 metrics: counter not found，例如：

time="2023-01-28T14:25:25+08:00" level=error msg="failed collecting net metrics:<nil> counter not found" source="net.go:137"
time="2023-01-28T14:25:25+08:00" level=error msg="collector net failed after 0.000000s: counter not found" source="exporter.go:207"
time="2023-01-28T14:25:25+08:00" level=error msg="failed collecting os metrics:<nil> counter not found" source="os.go:137"
time="2023-01-28T14:25:25+08:00" level=error msg="collector os failed after 0.007000s: counter not found" source="exporter.go:207"
time="2023-01-28T14:25:25+08:00" level=error msg="failed collecting system metrics:<nil> counter not found" source="system.go:73"
time="2023-01-28T14:25:25+08:00" level=error msg="collector system failed after 0.000000s: counter not found" source="exporter.go:207"
time="2023-01-28T14:25:25+08:00" level=error msg="collector cpu failed after 0.000000s: counter not found" source="exporter.go:207"
time="2023-01-28T14:25:25+08:00" level=error msg="failed collecting logical_disk metrics:<nil> counter not found" source="logical_disk.go:163"
time="2023-01-28T14:25:25+08:00" level=error msg="collector logical_disk failed after 0.000000s: counter not found" source="exporter.go:207"

解决方法：
重置windows性能计数器：

C:\Windows\system32>lodctr /r
Info: Successfully rebuilt performance counter setting from system backup store