Ok, I understand this one is done “to death” already, but anyway, here is my take on it. I had a need for something a bit more optimized than the Get-Snapshot command, so I had to use Get-View. I also needed the possibility of either getting all snapshots, or filter on VM name.
So here it is:
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| function Get-VMWareSnapshot { | |
| [CmdletBinding()] | |
| param ( | |
| # vSphere server(s) to connect to | |
| [Parameter()] | |
| [string[]] $VIServer, | |
| # Filter snapshots on VM Name | |
| [Parameter()] | |
| [string[]] $VMName | |
| ) | |
| try { | |
| # Check if VMWare snapin is loaded, and load it if it's not | |
| if ((Get-PSSnapin –Name 'VMWare.VimAutomation.Core' –ErrorAction 'SilentlyContinue') -eq $null) { | |
| Add-PSSnapin –Name 'VMWare.VimAutomation.Core' | |
| Write-Verbose 'VMWare.VimAutomation.Core snapin loaded' | |
| } | |
| if ($PSBoundParameters['VIServer']) { | |
| # Connect to VIserver(s) | |
| Connect-VIServer –Server $VIServer –WarningAction 'SilentlyContinue' | Out-Null | |
| Write-Verbose 'Connected to VIServer(s)' | |
| } | |
| if ($PSBoundParameters['VMName']) { | |
| # if more than one name is given, generate correct regex for the filtering | |
| if ($VMName.Length -gt 1) { | |
| $regexString = ($VMName | ForEach-Object {"($($_)`$)"}) -Join '|' | |
| $snapshots = Get-View –ViewType 'VirtualMachine' –Property Name,Snapshot –Filter @{"Name"=$regexString;"Snapshot"="VMware.Vim.VirtualMachineSnapshotinfo"} | |
| } | |
| # if only one name is given, the filter is easier | |
| else { | |
| $snapshots = Get-View –ViewType 'VirtualMachine' –Property Name,Snapshot –Filter @{"Name"="$($VMName)`$";"Snapshot"="VMware.Vim.VirtualMachineSnapshotinfo"} | |
| } | |
| Write-Verbose 'Got data from vSphere' | |
| } | |
| # if the name parameter is not used, no filtering is done | |
| else { | |
| $snapshots = Get-View –ViewType 'VirtualMachine' –Property Name,Snapshot –Filter @{"Snapshot"="VMware.Vim.VirtualMachineSnapshotinfo"} | |
| Write-Verbose 'Got data from vSphere' | |
| } | |
| if ($snapshots) { | |
| foreach ($snapshot in $snapshots){ | |
| Write-Output (,([PSCustomObject] [Ordered] @{ | |
| VMName = $snapshot.Name | |
| Name = (($snapshot.snapshot.rootsnapshotlist | Select-Object Name).Name) | |
| Description = (($snapshot.snapshot.rootsnapshotlist | Select-Object Description).Description) | |
| CreateTime = (($snapshot.snapshot.rootsnapshotlist | Select-Object CreateTime).CreateTime) | |
| State = (($snapshot.snapshot.rootsnapshotlist | Select-Object State).State) | |
| ChildSnapshots = $snapshot.snapshot.rootsnapshotlist.childsnapshotlist | |
| })) | |
| } | |
| } | |
| } | |
| catch { | |
| Write-Warning $_.Exception.Message | |
| } | |
| } |
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