mczerniawski

$userOUs = @('OU=Leavers,OU=Site1,OU=Contoso Users,DC=Contoso,DC=com','OU=Leavers,OU=Site2,OU=Contoso Users,DC=Contoso,DC=com')
$disabledUsers = foreach ($ou in $userOUs) {
    get-aduser -filter {Enabled -eq $false} -SearchBase $ou
} 
$disabledUsers | Export-Csv -Path C:\AdminTools\disabled_users.csv -NoTypeInformation

mczerniawski

function Get-EmptyFolder {
    <#
    .SYNOPSIS
    Returns if there are empty folders in given path.

    .DESCRIPTION
    Will check for empty folders in given path. If ComputerName is provided will connect to remote computer. Credential parameter works in combination with ComputerName only

    .PARAMETER Path
    Path to check for empty folders

mczerniawski

function Set-ClusterVMAntiAffinity {
    <#
        .SYNOPSIS
        Will configure Preferred Owners for Virtual Machine running on Failover Cluster
    
        .DESCRIPTION
        Uses Invoke-Command to allow for PSCredential
        If Preferred Owner is provided will verify if it matches cluster Owner Nodes. 
        If yes - will set Preferred Owners for given VMs.
        If no - will abort.

mczerniawski

foreach ($VM in $VMName) {
  Write-Verbose -Message "Processing VM {$VM}"
  $ClusterVM = Invoke-Command -Session $ClusterSession  -ScriptBlock {
    Get-ClusterGroup -Name $USING:VM -ErrorAction SilentlyContinue | Select-Object *
  }
  if (-not $ClusterVM) { 
    Write-Error -Message "VM {$VM} not found on cluster {$Cluster}"
  }
  else {
    $currentPreferredOwners = Invoke-Command -Session $ClusterSession  -ScriptBlock {

mczerniawski

#region Validate Preferred Owner
    $nodesInCluster = Invoke-Command -Session $ClusterSession -ScriptBlock {
      Get-ClusterNode | Select-Object -ExpandProperty Name
    }
    #null or empty string - reset to defaults
    if (-not $PreferredOwner) {
      Write-Verbose -Message "Provided no Preferred Owner. Will reset to default setting"
      $PreferredOwner = ''
    }
    #check if given hosts given in $PreferredOwner are members of $Cluster

mczerniawski

    [Parameter(Mandatory, HelpMessage = 'Provide Cluster Name',
    ValueFromPipeline, ValueFromPipelineByPropertyName)]
    [ValidateNotNullOrEmpty()]
    [System.String]
    $Cluster,
  
    [Parameter(Mandatory = $false, HelpMessage = 'Provide Credentials for Cluster',
    ValueFromPipeline, ValueFromPipelineByPropertyName)]
    [System.Management.Automation.PSCredential]
    $Credential,

mczerniawski

function Set-ClusterVMPossibleOwner {
    <#
        .SYNOPSIS
        Will configure Possible Owners for Virtual Machine running on Failover Cluster
    
        .DESCRIPTION
        Uses Invoke-Command to allow for PSCredential.
        If PossibleOwner is provided first will verify if it matches cluster Owner Nodes. 
        If yes - will set PossibleOwner for given VMs.
        If no - will abort.

mczerniawski

function Set-ClusterVMPreferredOwner {
  <#
      .SYNOPSIS
      Will configure Preferred Owners for Virtual Machine running on Failover Cluster
  
      .DESCRIPTION
      Uses Invoke-Command to allow for PSCredential
      If Preferred Owner is provided will verify if it matches cluster Owner Nodes. 
      If yes - will set Preferred Owners for given VMs.
      If no - will abort.

mczerniawski

switch (Compare-Object -ReferenceObject @($nodesInCluster) -DifferenceObject @($PreferredOwner) -IncludeEqual ) {
  {$PSItem.SideIndicator -eq '=>'} {
    Write-Error -Message "Given preferred owner {$($PSItem.InputObject)} not found in nodes of cluster {$Cluster}. Aborting" -ErrorAction Stop
    break
  }
  {$PSItem.SideIndicator -eq '=='} {
    Write-Verbose -Message "Given preferred owner {$($PSItem.InputObject)} was found in nodes of cluster {$Cluster}" 
  }
}

mczerniawski

$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]@{