Public/Remove-UnityPool.ps1

Function Remove-UnityPool {

  <#
      .SYNOPSIS
      Delete a LUN.
      .DESCRIPTION
      Delete a LUN.
      You need to have an active session with the array.
      .NOTES
      Written by Erwan Quelin under Apache licence - https://github.com/equelin/Unity-Powershell/blob/master/LICENSE
      .LINK
      https://github.com/equelin/Unity-Powershell
      .PARAMETER Session
      Specify an UnitySession Object.
      .PARAMETER Confirm
      If the value is $true, indicates that the cmdlet asks for confirmation before running.
      If the value is $false, the cmdlet runs without asking for user confirmation.
      .PARAMETER WhatIf
      Indicate that the cmdlet is run only to display the changes that would be made and actually no objects are modified.
      .PARAMETER Name
      Name of the pool or Pool Object.
      .EXAMPLE
      Remove-UnityPool -Name 'POOL01'
 
      Delete the pool named 'POOL01'
      .EXAMPLE
      Get-UnityPool -Name 'POOL01' | Remove-UnityPool
 
      Delete the pool named 'POOL01'. The pool's informations are provided by the Get-UnityPool through the pipeline.
  #>


    [CmdletBinding(SupportsShouldProcess = $True,ConfirmImpact = 'High')]
  Param (
    [Parameter(Mandatory = $false,HelpMessage = 'EMC Unity Session')]
    $session = ($global:DefaultUnitySession | where-object {$_.IsConnected -eq $true}),
    [Parameter(Mandatory = $true,Position = 0,ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'Pool Name or Pool Object')]
    $Name
  )

  Begin {
    Write-Verbose "Executing function: $($MyInvocation.MyCommand)"
  }

  Process {

    Foreach ($sess in $session) {

      Write-Verbose "Processing Session: $($sess.Server) with SessionId: $($sess.SessionId)"

      If (Test-UnityConnection -Session $Sess) {

        Foreach ($n in $Name) {

          # Determine input and convert to UnityPool object
          Switch ($n.GetType().Name)
          {
            "String" {
              $Pool = get-UnityPool -Session $Sess -Name $n
              $PoolID = $Pool.id
              $PoolName = $Pool.Name
            }
            "UnityPool" {
              Write-Verbose "Input object type is $($n.GetType().Name)"
              $PoolName = $n.Name
              If ($Pool = Get-UnityPool -Session $Sess -Name $PoolName) {
                        $PoolID = $n.id
              }
            }
          }

          If ($PoolID) {
            #Building the URI
            $URI = 'https://'+$sess.Server+'/api/instances/pool/'+$PoolID
            Write-Verbose "URI: $URI"

            if ($pscmdlet.ShouldProcess($PoolName,"Delete pool")) {
              #Sending the request
              $request = Send-UnityRequest -uri $URI -Session $Sess -Method 'DELETE'
            }

            If ($request.StatusCode -eq '204') {

              Write-Verbose "Pool with ID: $id has been deleted"

            }
          } else {
            Write-Information -MessageData "LUN $PoolName does not exist on the array $($sess.Name)"
          }
        }
      } else {
        Write-Information -MessageData "You are no longer connected to EMC Unity array: $($Sess.Server)"
      }
    }
  }

  End {}
}