Public/Get-UnityLUN.ps1
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Function Get-UnityLUN { <# .SYNOPSIS Queries the EMC Unity array to retrieve informations about block LUN. .DESCRIPTION Queries the EMC Unity array to retrieve informations about block LUN. 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. .EXAMPLE Get-UnityLUN Retrieve information about all block LUN .EXAMPLE Get-UnityLUN -Name 'LUN01' Retrieves information about block LUN named LUN01 #> [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=$True,HelpMessage = 'LUN Name')] [String[]]$Name='*', [Parameter(Mandatory = $false,ParameterSetName="ID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'LUN ID')] [String[]]$ID='*' ) Begin { Write-Debug -Message "[$($MyInvocation.MyCommand.Name)] Executing function" Write-Debug -Message "[$($MyInvocation.MyCommand.Name)] ParameterSetName: $($PsCmdlet.ParameterSetName)" Write-Debug -Message "[$($MyInvocation.MyCommand.Name)] PSBoundParameters: $($PSBoundParameters | Out-String)" #Initialazing variables $ResultCollection = @() $StorageResourceURI = '/api/types/storageResource/instances?fields=id,luns&filter=type eq 8' #Loop through each sessions Foreach ($Sess in $session) { Write-Debug -Message "[$($MyInvocation.MyCommand)] Processing Session: $($Sess.Server) with SessionId: $($Sess.SessionId)" #Test if session is alive If ($Sess.TestConnection()) { Write-Debug -Message "[$($MyInvocation.MyCommand)] Retrieve lun storage resources" $StorageResource = (($Sess.SendGetRequest($StorageResourceURI)).content | ConvertFrom-Json ).entries.content If ($StorageResource) { #Retrieve LUN associated to storage resources Write-Debug -Message "[$($MyInvocation.MyCommand)] Retrieve LUN associated to storage resources" $ResultCollection += Get-UnityLUNResource -Session $Sess -ID $StorageResource.luns.id -ErrorAction SilentlyContinue } } } } Process { #Filter results If ($ResultCollection) { Switch ($PsCmdlet.ParameterSetName) { 'Name' { Foreach ($N in $Name) { Write-Debug -Message "[$($MyInvocation.MyCommand)] Return result(s) with the filter: $($N)" $Result = $ResultCollection | Where-Object {$_.Name -like $N} Write-Debug -Message "[$($MyInvocation.MyCommand)] Found $($ResultCollection.Count) item(s)" } } 'ID' { Foreach ($I in $ID) { Write-Debug -Message "[$($MyInvocation.MyCommand)] Return result(s) with the filter: $($I)" $Result = $ResultCollection | Where-Object {$_.Id -like $I} Write-Debug -Message "[$($MyInvocation.MyCommand)] Found $($ResultCollection.Count) item(s)" } } } #End Switch If ($Result) { $Result } else { Write-Error -Message "Object not found with the specified filter(s)" -Category "ObjectNotFound" } # End If ($Result) } else { Write-Error -Message "Object(s) not found" -Category "ObjectNotFound" } # End If ($ResultCollection) } # End Process } # End Function |