Public/Get-UnityFilesystem.ps1

Function Get-UnityFilesystem {

  <#
      .SYNOPSIS
      Queries the EMC Unity array to retrieve informations about filesystems.
      .DESCRIPTION
      Querries the EMC Unity array to retrieve informations about filesystems.
      You need to have an active session with the array.
      .NOTES
      Written by Erwan Quelin under MIT licence - https://github.com/equelin/Unity-Powershell/blob/master/LICENSE
      .LINK
      https://github.com/equelin/Unity-Powershell
      .PARAMETER Session
      Specifies an UnitySession Object.
      .PARAMETER Name
      Specifies the object name.
      .PARAMETER ID
      Specifies the object ID.
      .PARAMETER Typename
      Specifies the object type. Might be UnityFilesystem (default) or UnityVMwareNFS
      .EXAMPLE
      Get-UnityFilesystem
 
      Retrieve information about filesystem
      .EXAMPLE
      Get-UnityFilesystem -Name 'FS01'
 
      Retrieves information about filesystem named FS01
  #>


  [CmdletBinding(DefaultParameterSetName="Name")]
  Param (
    [Parameter(Mandatory = $false,HelpMessage = 'EMC Unity Session')]
    $session = ($global:DefaultUnitySession | where-object {$_.IsConnected -eq $true}),
    [Parameter(Mandatory = $false,ParameterSetName="Name",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'Filesystem Name')]
    [String[]]$Name,
    [Parameter(Mandatory = $false,ParameterSetName="ID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'Filesystem ID')]
    [String[]]$ID,
    [Parameter(Mandatory = $false,HelpMessage = 'Object type')]
    [ValidateSet('UnityFilesystem','UnityVMwareNFS')]
    [String]$Typename = 'UnityFilesystem'
  )

  Begin {
    Write-Debug -Message "[$($MyInvocation.MyCommand)] Executing function"

    #Initialazing variables
    $URI = '/api/types/filesystem/instances' #URI
  }

  Process {
    Foreach ($sess in $session) {

      Write-Debug -Message "[$($MyInvocation.MyCommand)] Processing Session: $($Session.Server) with SessionId: $($Session.SessionId)"

      Get-UnityItemByKey -Session $Sess -URI $URI -Typename $Typename -Key $PsCmdlet.ParameterSetName -Value $PSBoundParameters[$PsCmdlet.ParameterSetName]

    } # End Foreach ($sess in $session)
  } # End Process
} # End Function