Public/Get-UnityFileInterface.ps1

Function Get-UnityFileInterface {

  <#
      .SYNOPSIS
      Queries the EMC Unity array to retrieve informations about File Interfaces.
      .DESCRIPTION
      Queries the EMC Unity array to retrieve informations about File Interfaces.
      You need to have an active session with the array.
      .NOTES
      Written by Erwan Quelin under Apache licence
      .LINK
      https://github.com/equelin/Unity-Powershell
      .EXAMPLE
      Get-UnityFileInterface
 
      Retrieve information about all interfaces
 
  #>


  [CmdletBinding(DefaultParameterSetName="ByName")]
  Param (
    [Parameter(Mandatory = $false,HelpMessage = 'EMC Unity Session')]
    $session = ($global:DefaultUnitySession | where-object {$_.IsConnected -eq $true}),
    [Parameter(Mandatory = $false,ParameterSetName="ByName",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'File Interface Name')]
    [String[]]$Name='*',
    [Parameter(Mandatory = $false,ParameterSetName="ByID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'File Interface ID')]
    [String[]]$ID='*'
  )

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

    #Initialazing variables
    $ResultCollection = @()
    $URI = '/api/types/fileInterface/instances' #URI
    $TypeName = 'UnityFileInterface'

    Foreach ($sess in $session) {

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

      If (Test-UnityConnection -Session $Sess) {

        #Building the URL from Object Type.
        $URL = Get-URLFromObjectType -Server $sess.Server -URI $URI -TypeName $TypeName -Compact

        Write-Verbose "URL: $URL"

        #Sending the request
        $request = Send-UnityRequest -uri $URL -Session $Sess -Method 'GET'

        #Formating the result. Converting it from JSON to a Powershell object
        $results = ($request.content | ConvertFrom-Json).entries.content

        #Building the result collection (Add ressource type)
        If ($results) {
          $ResultCollection += Add-UnityObjectType -Data $results -TypeName $TypeName
        }
      } else {
        Write-Host "You are no longer connected to EMC Unity array: $($Sess.Server)"
      }
    }
  }

  Process {
    #Filter results
    If ($ResultCollection) {
      Switch ($PsCmdlet.ParameterSetName) {
        'ByName' {
          Foreach ($N in $Name) {
            Write-Verbose "Return result(s) with the filter: $($N)"
            Write-Output $ResultCollection | Where-Object {$_.Name -like $N}
          }
        }
        'ByID' {
          Foreach ($I in $ID) {
            Write-Verbose "Return result(s) with the filter: $($I)"
            Write-Output $ResultCollection | Where-Object {$_.Id -like $I}
          }
        }
      }
    }
  }

  End {}
}