provider/disks/Get-IcingaUNCPathSize.psm1
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function Get-IcingaUNCPathSize() { param ( [string]$Path ); # Lets ensure our path does actually exist if ([string]::IsNullOrEmpty($Path) -Or (Test-Path $Path) -eq $FALSE) { Exit-IcingaThrowException -ExceptionType 'Configuration' ` -ExceptionThrown $IcingaExceptions.Configuration.PluginArgumentMissing ` -CustomMessage 'Plugin argument "-Path" is either empty or does not exist' ` -Force; } # Register our kernel32.dll Windows API function call Add-Type -TypeDefinition @" using System; using System.Runtime.InteropServices; public static class kernel32 { [DllImport("kernel32.dll", PreserveSig = true, CharSet = CharSet.Auto)] public static extern int GetDiskFreeSpaceEx( IntPtr lpDirectoryName, // UNC Path for share out long lpFreeBytesAvailable, // Free Bytes available on path out long lpTotalNumberOfBytes, // Bytes available on target disk / path out long lpTotalNumberOfFreeBytes // Total available space on target disk / path ); } "@ # Setup variables as object which we can use to reference data into $ShareFree = New-Object -TypeName long; $ShareSize = New-Object -TypeName long; $TotalFree = New-Object -TypeName long; # Create a pointer object to our share [System.IntPtr]$ptrPath = [System.Runtime.InteropServices.Marshal]::StringToHGlobalAuto($Path); # Call our function we registered within the Add-Type definition [kernel32]::GetDiskFreeSpaceEx($ptrPath, [ref]$ShareFree, [ref]$ShareSize, [ref]$TotalFree) | Out-Null; $ShareFreePercent = 0; if ($ShareSize -ne 0) { $ShareFreePercent = ([math]::round(($ShareFree / $ShareSize * 100), 2)); } return @{ 'ShareFree' = $ShareFree; 'ShareSize' = $ShareSize; 'ShareFreePercent' = $ShareFreePercent; 'TotalFree' = $TotalFree; }; } |