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textfile collector

The textfile collector exposes metrics from files written by other processes.


Metric name prefix	`textfile`
Classes	None
Enabled by default?	Yes

Flags

`--collector.textfile.directory`

The directory containing the files to be ingested. Only files with the extension .prom are read.

Default value: C:\Program Files\wmi_exporter\textfile_inputs

Required: No

Metrics

Metrics will primarily come from the files on disk. The below listed metrics are collected to give information about the reading of the metrics themselves.

Name	Description	Type	Labels
`wmi_textfile_scrape_error`	1 if there was an error opening or reading a file, 0 otherwise	gauge	None
`wmi_textfile_mtime_seconds`	Unix epoch-formatted mtime (modified time) of textfiles successfully read	gauge	file

Example metric

This collector does not yet have explained examples, we would appreciate your help adding them!

Useful queries

This collector does not yet have any useful queries added, we would appreciate your help adding them!

Alerting examples

This collector does not yet have alerting examples, we would appreciate your help adding them!

Example use

This Powershell script, when run in the collector.textfile.directory (default C:\Program Files\wmi_exporter\textfile_inputs), generates a valid .prom file that should successfully ingested by wmi_exporter.

$alpha = 42
$beta = @{ left=3.1415; right=2.718281828; }

Set-Content -Path test1.prom -Encoding Ascii -NoNewline -Value ""
Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "# HELP test_alpha_total Some random metric.`n"
Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "# TYPE test_alpha_total counter`n"
Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "test_alpha_total ${alpha}`n"
Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "# HELP test_beta_bytes Some other metric.`n"
Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "# TYPE test_beta_bytes gauge`n"
foreach ($k in $beta.Keys) {
  Add-Content -Path test1.prom -Encoding Ascii -NoNewline -Value "test_beta_bytes{spin=""${k}""} $( $beta[$k] )`n"
}

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