mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-22 16:03:22 +01:00
65 lines
1.9 KiB
PowerShell
Executable File
65 lines
1.9 KiB
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Checks the swap space
|
|
.DESCRIPTION
|
|
This PowerShell script queries the current status of the swap space and prints it.
|
|
.PARAMETER minLevel
|
|
Specifies the minimum level in GB (10 GB by default)
|
|
.EXAMPLE
|
|
PS> ./check-swap-space.ps1
|
|
✅ Swap space has 748MB free (42% of 1GB used)
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([int]$minLevel = 10)
|
|
|
|
function MB2String { param([int64]$bytes)
|
|
if ($bytes -lt 1000) { return "$($bytes)MB" }
|
|
$bytes /= 1000
|
|
if ($bytes -lt 1000) { return "$($bytes)GB" }
|
|
$bytes /= 1000
|
|
if ($bytes -lt 1000) { return "$($bytes)TB" }
|
|
$bytes /= 1000
|
|
if ($bytes -lt 1000) { return "$($bytes)PB" }
|
|
$bytes /= 1000
|
|
if ($bytes -lt 1000) { return "$($bytes)EB" }
|
|
}
|
|
|
|
try {
|
|
|
|
if ($IsLinux) {
|
|
$Result = $(free --mega | grep Swap:)
|
|
[int64]$total = $Result.subString(5,14)
|
|
[int64]$used = $Result.substring(20,13)
|
|
[int64]$free = $Result.substring(32,11)
|
|
} else {
|
|
$items = Get-WmiObject -class "Win32_PageFileUsage" -namespace "root\CIMV2" -computername localhost
|
|
[int64]$total = [int64]$used = 0
|
|
foreach ($item in $items) {
|
|
$total += $item.AllocatedBaseSize
|
|
$used += $item.CurrentUsage
|
|
|
|
}
|
|
[int64]$free = ($total - $used)
|
|
}
|
|
if ($total -eq 0) {
|
|
Write-Output "⚠️ No swap space configured"
|
|
} elseif ($free -eq 0) {
|
|
Write-Output "⚠️ Swap space of $(MB2String $total) is full"
|
|
} elseif ($free -lt $minLevel) {
|
|
Write-Output "⚠️ Swap space has only $(MB2String $free) of $(MB2String $total) free"
|
|
} elseif ($used -lt 5) {
|
|
Write-Output "✅ Swap space has all $(MB2String $free) free"
|
|
} else {
|
|
[int64]$percent = ($used * 100) / $total
|
|
Write-Output "✅ Swap space has $(MB2String $free) free ($percent% of $(MB2String $total) used)"
|
|
}
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|