Public/Get-UnityStorageResource.ps1
|
Function Get-UnitystorageResource { <# .SYNOPSIS Queries the EMC Unity array to retrieve informations about UnitystorageResource. .DESCRIPTION Querries the EMC Unity array to retrieve informations about UnitystorageResource. 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. .PARAMETER Type Specifies the storage ressource type. Might be: - lun - vmwareiscsi - vmwarefs .EXAMPLE Get-UnitystorageResource Retrieve informations about all the storage ressources .EXAMPLE Get-UnitystorageResource -Name 'DATASTORE01' Retrieves informations about storage ressource named DATASTORE01 #> [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=$True,HelpMessage = 'Storage Resource Name')] [String[]]$Name='*', [Parameter(Mandatory = $false,ParameterSetName="ByID",ValueFromPipeline=$True,ValueFromPipelinebyPropertyName=$True,HelpMessage = 'Storage Resource ID')] [String[]]$ID='*', [Parameter(Mandatory = $false,HelpMessage = 'Storage ressource type')] [ValidateSet('lun','vmwareiscsi','vmwarefs')] [String]$Type ) Begin { Write-Verbose "Executing function: $($MyInvocation.MyCommand)" #Initialazing variables $ResultCollection = @() $URI = '/api/types/storageResource/instances' #URI for the ressource (example: /api/types/lun/instances) $TypeName = 'UnitystorageResource' Switch ($Session.apiVersion) { '4.0' {$Exception = 'compressionStatus','compressionSizeSaved','compressionPercent','compressionRatio'} 'Default' {$Exception = ''} } Switch ($Type) { 'lun' {$Filter = 'type eq 8'} 'vmwareiscsi' {$Filter = 'type eq 4'} 'vmwarefs' {$Filter = 'type eq 3'} } } Process { Foreach ($sess in $session) { Write-Verbose "Processing Session: $($sess.Server) with SessionId: $($sess.SessionId)" If ($Sess.TestConnection()) { #Building the URL from Object Type. $URL = Get-URLFromObjectType -Server $sess.Server -URI $URI -TypeName $TypeName -Filter $Filter -Exception $Exception -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) { $ResultsFiltered = @() # Results filtering Switch ($PsCmdlet.ParameterSetName) { 'ByName' { $ResultsFiltered += Find-FromFilter -Parameter 'Name' -Filter $Name -Data $Results } 'ByID' { $ResultsFiltered += Find-FromFilter -Parameter 'ID' -Filter $ID -Data $Results } } If ($ResultsFiltered) { $ResultCollection = ConvertTo-Hashtable -Data $ResultsFiltered Foreach ($Result in $ResultCollection) { # Instantiate object $Object = New-Object -TypeName $TypeName -Property $Result # Convert to MB #$Object.ConvertToMB() # Output results $Object } # End Foreach ($Result in $ResultCollection) } # End If ($ResultsFiltered) } # End If ($Results) } # End If ($Sess.TestConnection()) } # End Foreach ($sess in $session) } # End Process } # End Function |