Public/Get-UnitySystem.ps1

Function Get-UnitySystem {

  <#
      .SYNOPSIS
      Information about general settings for the storage system.
      .DESCRIPTION
      Information about general settings for the storage system.
      You need to have an active session with the array.
      .NOTES
      Written by Erwan Quelin under MIT licence
      .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.
      .EXAMPLE
      Get-UnitySystem
 
      Retrieve informations about all the arrays with an active session.
      .EXAMPLE
      Get-UnitySystem -Name 'UnityVSA'
 
 
      Retrieves informations about an array named 'UnityVSA'
  #>


  [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=$True,HelpMessage = 'Unity Name')]
    [String[]]$Name,
    [Parameter(Mandatory = $false,ParameterSetName="ID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'Unity ID')]
    [String[]]$ID
  )

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

    #Initialazing variables
    $URI = '/api/types/system/instances' #URI for the ressource (example: /api/types/lun/instances)
    $TypeName = 'UnitySystem'
  }

  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