VMInventory.ps1

$HyperVHosts = @('Cluster1','Node1','Node2')

$VMs = Get-VM -ComputerName $HyperVHosts | ForEach-Object {
    Write-Host "Procesing VM {$($PSItem.VMName)}"
    Write-Host "Getting VM {$($PSItem.VMName)} disk information"
    $disks = Get-VHD -VMId $PSItem.VMId -ComputerName $PSItem.ComputerName
    $diskCount = $disks | Measure | Select-Object -ExpandProperty Count
    $diskCurrentSize = $disks | Measure-Object -Sum -Property FileSize | Select-Object -ExpandProperty Sum
    $diskMaximumSize = $disks | Measure-Object -Sum -Property Size | Select-Object -ExpandProperty Sum
    [pscustomobject]@{
        Name = $PSItem.Name
        ComputerName = $PSItem.ComputerName
        MemoryMinimum = [System.Math]::Round($PSItem.MemoryMinimum /1GB,2)
        MemoryMaximum = [System.Math]::Round($PSItem.MemoryMaximum /1GB,2)
        MemoryAssigned = [System.Math]::Round($PSItem.MemoryAssigned /1GB,2)
        ProcessorCount = $PSItem.ProcessorCount
        DisksCount = $diskCount
        DiskCurrentSize = [System.Math]::Round($diskCurrentSize /1GB,2)
        DiskMaximumSize = [System.Math]::Round($diskMaximumSize /1GB,2)
        CreationTime = $PSItem.CreationTime
    }
}
$VMs | Format-Table -Wrap