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feat(ps1): guard clauses for WSL distro and disk prereqs #1942

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feat(ps1): guard clauses for WSL distro and disk prereqs #1942

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35 changes: 35 additions & 0 deletions scripts/windows/Invoke-NbdBenchmarkMatrix.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,40 @@ function Assert-LiveConfiguration {
}
}

function Assert-SystemPrerequisites {
$wslExe = Get-WslExecutable
$distroCheck = Invoke-BoundedProcess -FilePath $wslExe -ArgumentValues @("-d", $Distro, "--", "true") -TimeoutSec 30
if ($distroCheck.timed_out -or -not $distroCheck.completed -or $distroCheck.exit_code -ne 0) {
throw ("wsl_distro_unavailable:" + $Distro)
}

foreach ($bin in @("fio", "nbd-client")) {
$binCheck = Invoke-BoundedProcess -FilePath $wslExe -ArgumentValues @("-d", $Distro, "--", "which", $bin) -TimeoutSec 10
if ($binCheck.timed_out -or -not $binCheck.completed -or $binCheck.exit_code -ne 0) {
throw ("wsl_dependency_missing:" + $bin)
}
}

$drive = [System.IO.Path]::GetPathRoot($ArtifactRoot)
if ([string]::IsNullOrWhiteSpace($drive) -or -not (Test-Path -LiteralPath $drive)) {
throw "artifact_root_drive_missing"
}

$maxRequiredDiskSpaceBytes = 0L
foreach ($tier in $script:tiers) {
if ($tier -gt $maxRequiredDiskSpaceBytes) {
$maxRequiredDiskSpaceBytes = $tier
}
}
$maxRequiredDiskSpaceBytes = $maxRequiredDiskSpaceBytes * 1024L * 1024L
$requiredBytes = $maxRequiredDiskSpaceBytes * 3L

$freeSpace = (Get-CimInstance -ClassName Win32_LogicalDisk -Filter "DeviceID='$($drive.TrimEnd('\'))'").FreeSpace
if ($freeSpace -lt $requiredBytes) {
throw "insufficient_disk_space_required"
}
}

function Get-CellTimeoutBudget {
param([Parameter(Mandatory = $true)][int]$TierMiB)
$sampleTimeoutSec = switch ($TierMiB) {
Expand Down Expand Up @@ -3921,6 +3955,7 @@ if ($PlanOnly) {
if (-not $ApproveSharedDailyHost) { throw "missing_ApproveSharedDailyHost" }

Assert-LiveConfiguration
Assert-SystemPrerequisites
$campaignRoot = Join-Path $ArtifactRoot ("nbd-benchmark-" + (Get-Date -Format "yyyyMMdd-HHmmss"))
New-Item -ItemType Directory -Path $campaignRoot | Out-Null
$selectedRelease = $null
Expand Down
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