d860d92dc8
After adding the `role.prom` file on Windows on around 15 virtual machines, we discovered that if omit to insert an empty line feed at the end of the file, Prometheus won't get metrics from the virtual machine. Adding a new line fixes the issue and immediately start gathering metrics for the virtual machine.
2.3 KiB
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. The .prom file must end with an empty line feed to work properly.
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"
}