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46 lines
1.2 KiB
PowerShell
Executable File
46 lines
1.2 KiB
PowerShell
Executable File
<#
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.SYNOPSIS
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Checks the free swap space
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.DESCRIPTION
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check-swap-space.ps1 [<min-level>]
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.EXAMPLE
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PS> ./check-swap-space
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✔️ 1213 GB left for swap space (67 of 1280 GB used)
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz · License: CC0
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#>
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param([int]$MinLevel = 50) # minimum level in GB
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try {
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if ($IsLinux) {
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$Result = $(free --mega | grep Swap:)
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[int]$Total = $Result.subString(5,14)
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[int]$Used = $Result.substring(20,13)
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[int]$Free = $Result.substring(31,12)
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} else {
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$Items = get-wmiobject -class "Win32_PageFileUsage" -namespace "root\CIMV2" -computername localhost
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foreach ($Item in $Items) {
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[int]$Total = $Item.AllocatedBaseSize
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[int]$Used = $Item.CurrentUsage
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[int]$Free = ($Total - $Used)
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}
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}
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if ($Total -eq "0") {
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write-warning "No swap space configured!"
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exit 1
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}
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if ($Free -lt $MinLevel) {
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write-warning "Swap space has only $Free GB left to use! ($Used of $Total GB used, minimum is $MinLevel GB)"
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exit 1
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}
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"✔️ $Free GB left for swap space ($Used of $Total GB used)"
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exit 0 # success
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} catch {
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"⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))"
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exit 1
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}
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