Public/Get-UnityLUN.ps1
|
Function Get-UnityLUN { <# .SYNOPSIS Queries the EMC Unity array to retrieve informations about LUN. .DESCRIPTION Querries the EMC Unity array to retrieve informations about LUN. 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-UnityLUN Retrieve information about LUN .EXAMPLE Get-UnityLUN -Name 'LUN01' Retrieves information about LUN named LUN01 #> [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=$True,HelpMessage = 'LUN Name')] [String[]]$Name='*', [Parameter(Mandatory = $false,ParameterSetName="ByID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'LUN ID')] [String[]]$ID='*' ) Begin { Write-Verbose "Executing function: $($MyInvocation.MyCommand)" #Initialazing arrays $ResultCollection = @() Foreach ($sess in $session) { Write-Verbose "Processing Session: $($sess.Server) with SessionId: $($sess.SessionId)" If (Test-UnityConnection -Session $Sess) { #Building the URI $URI = 'https://'+$sess.Server+'/api/types/lun/instances?compact=true&fields=id,health,name,description,type,sizeTotal,sizeUsed,sizeAllocated,perTierSizeUsed,isThinEnabled,storageResource,pool,wwn,tieringPolicy,defaultNode,isReplicationDestination,currentNode,snapSchedule,isSnapSchedulePaused,ioLimitPolicy,metadataSize,metadataSizeAllocated,snapWwn,snapsSize,snapsSizeAllocated,hostAccess,snapCount' Write-Verbose "URI: $URI" #Sending the request $request = Send-UnityRequest -uri $URI -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 type) $ResultCollection += Add-UnityObjectType -Data $results -TypeName 'UnityLUN' } 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 {} } |