windows_exporter/tools/end-to-end-test.ps1

42 lines
1.7 KiB
PowerShell

$ErrorActionPreference = 'Stop'
Set-StrictMode -Version 3
if (-not (Test-Path -Path '.\windows_exporter.exe')) {
Write-Output ".\windows_exporter.exe not found. Consider running \`go build\` first"
}
# cd to location of script
$script_path = $MyInvocation.MyCommand.Path
$working_dir = Split-Path $script_path
Push-Location $working_dir
$temp_dir = Join-Path $env:TEMP $(New-Guid) | ForEach-Object { mkdir $_ }
# Omit dynamic collector information that will change after each run
$skip_re = "^(go_|windows_exporter_build_info|windows_exporter_collector_duration_seconds|windows_exporter_perflib_snapshot_duration_seconds|process_|windows_textfile_mtime_seconds|windows_cpu|windows_cs|windows_logical_disk|windows_net|windows_os|windows_service|windows_system)"
# Start process in background, awaiting HTTP requests.
# Use default collectors, port and address: http://localhost:9182/metrics
$exporter_proc = Start-Process `
-PassThru `
-FilePath .\windows_exporter.exe `
-ArgumentList '--log.level=debug' `
-WindowStyle Hidden `
-RedirectStandardOutput "$($temp_dir)/windows_exporter.log" `
-RedirectStandardError "$($temp_dir)/windows_exporter_error.log"
# Give exporter some time to start
Start-Sleep 3
$response = Invoke-WebRequest -UseBasicParsing -URI http://127.0.0.1:9182/metrics
# Response output must be split and saved as UTF-8.
$response.content -split "[`r`n]"| Select-String -NotMatch $skip_re | Set-Content -Encoding utf8 "$($temp_dir)/e2e-output.txt"
Stop-Process $exporter_proc
$output_diff = Compare-Object (Get-Content 'e2e-output.txt') (Get-Content "$($temp_dir)/e2e-output.txt")
# Fail if differences in output are detected
if (-not ($null -eq $output_diff)) {
$output_diff | Format-Table
exit 1
}