list_vm_cust_attribute.ps1

#!/usr/bin/pwsh
# Read VM custom attributes and substitute , into the values by ;

 
$VMvCenterName = 'vcenter01'
$VMvCenterUser = 'vmware_RO'
$VMvCenterPass = 'Mypasswd'


###
###     Connect to vCenter
###

Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -WarningAction SilentlyContinue -ParticipateInCeip $false -DisplayDeprecationWarnings $false -confirm:$false
$VCSession = Connect-VIServer -Server $VMvCenterName -User $VMvCenterUser -Password $VMvCenterPass

# Report file
$timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm"
$outfile = "vm_inventory_report_$timestamp.csv"

function CleanValue($v) {
    if ($null -eq $v) { return $null }
    return ($v.ToString() -replace ',', ';')
}

Write-Host "Loading custom attributes..."
$attrDefs = Get-CustomAttribute

# Key → Name lookup
$attrKeyToName = @{}
foreach ($a in $attrDefs) {
    $attrKeyToName[$a.Key] = $a.Name
}

Write-Host "Caching clusters..."
$clusters = Get-View -ViewType ClusterComputeResource -Property Name
$clusterMap = @{}
foreach ($c in $clusters) {
    $clusterMap[$c.MoRef.Value] = $c.Name
}

Write-Host "Caching hosts..."
$hosts = Get-View -ViewType HostSystem -Property Parent
$hostClusterMap = @{}
foreach ($h in $hosts) {
    $hostClusterMap[$h.MoRef.Value] = $clusterMap[$h.Parent.Value]
}

Write-Host "Collecting VM data..."
$vms = Get-View -ViewType VirtualMachine -Property `
    Name,
    Runtime.PowerState,
    Runtime.Host,
    Summary.Config.Annotation,
    CustomValue

$results = foreach ($vm in $vms) {

    $clusterName = CleanValue($hostClusterMap[$vm.Runtime.Host.Value])

    $row = [ordered]@{
        "VM Name"      = CleanValue($vm.Name)
        "Power State"  = CleanValue($vm.Runtime.PowerState)
        "Cluster Name" = $clusterName
        "VM Notes"     = CleanValue($vm.Summary.Config.Annotation)
    }

    # initialize custom attributes
    foreach ($attr in $attrDefs) {
        $row["CA: $($attr.Name)"] = $null
    }

    # populate attributes
    foreach ($cv in $vm.CustomValue) {
        $attrName = $attrKeyToName[$cv.Key]
        $row["CA: $attrName"] = CleanValue($cv.Value)
    }

    [PSCustomObject]$row
}

Write-Host "Writing CSV report..."
$results | Export-Csv $outfile -NoTypeInformation

Write-Host "Report created: $outfile"

Write-Host "##### Collect Vcenter Finished"

###
###     Disconnect from vCenter
###

Disconnect-VIServer -Server $VMvCenterName -Confirm:$false

exit $RC

list_vm_cust_attribute.ps1

#!/usr/bin/pwsh

$VMvCenterName = 'vcenter01'
$VMvCenterUser = 'vmware_RO'
$VMvCenterPass = 'Mypasswd'


###
###     Connect to vCenter
###

Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -WarningAction SilentlyContinue -ParticipateInCeip $false -DisplayDeprecationWarnings $false -confirm:$false
$VCSession = Connect-VIServer -Server $VMvCenterName -User $VMvCenterUser -Password $VMvCenterPass

function Get-FolderPath {
    param($VM)

    $folder = $VM.ExtensionData.Parent
    $path = @()

    while ($folder) {
        $folderObj = Get-View $folder
        if ($folderObj.Name -ne "vm") {
            $path += $folderObj.Name
        }
        $folder = $folderObj.Parent
    }

    [array]::Reverse($path)
    return ($path -join "\")
}

$report = Get-VM | ForEach-Object {

    $cluster = Get-Cluster -VM $_
    $folderPath = Get-FolderPath -VM $_
    $esxHost = $_.VMHost.Name
    $VMNotes = $_.VMHost.Notes

    # OS detection
    $runningOS    = $_.ExtensionData.Guest.GuestFullName
    $configuredOS = $_.ExtensionData.Config.GuestFullName

    if ([string]::IsNullOrWhiteSpace($runningOS)) {
        $Running_OS = $configuredOS
    }
    else {
        $Running_OS = $runningOS
    }

    # IPv4 only
    $ipv4 = $_.Guest.IPAddress |
        Where-Object { $_ -match '^\d{1,3}(\.\d{1,3}){3}$' }

    [PSCustomObject]@{
        Name          = $_.Name
        DNSName       = $_.Guest.HostName
        AssetType     = "virtual"
        NumCpu        = $_.NumCpu
        MemoryGB      = [int][Math]::Round($_.MemoryGB)
        PowerState    = $_.PowerState
        ESXHost       = $esxHost
        Running_OS    = $Running_OS
        Configured_OS = $configuredOS
        IPAddress     = ($ipv4 -join ", ")
        Cluster       = $cluster.Name
        FolderPath    = $folderPath
        CreateDate    = $_.ExtensionData.Config.CreateDate
        $VMNotes      = $VMNotes
    }
}

# Export to CSV for CMDB import
$report | Export-Csv "/inventory/list_vm.csv" -NoTypeInformation

# Get OS version on ESX
Get-VMHost | Select-Object Name, Version, Build, @{N="FullName";E={$_.ExtensionData.Config.Product.FullName}}


Write-Host "##### Collect Vcenter Finished"

###
###     Disconnect from vCenter
###

Disconnect-VIServer -Server $VMvCenterName -Confirm:$false

exit $RC