manage-snapshots.ps1

Write-Host ""
Write-Host "Connecting to vsphere..."
Connect-VIServer -Server "$Env:VSPHERE_HOST" -User "$Env:VSPHERE_USER" -Password "$Env:VSPHERE_PW"
Write-Host ""

$run = $true

while ($run) {

  Write-Host "Actions:"
    Write-Host "(l) List Snapshots"
    Write-Host "(n) New Snapshot"
    Write-Host "(d) Delete Snapshot"
    Write-Host "(e) Exit program"
    Write-Host ""

    $userInput = Read-Host "Which action should be performed? (l, n, d, e)"

    switch ($userInput) {
      "l" {
        $userInput = "all"
          $userInput = if ($_ = Read-Host "Snapshots of which host should be printed? [$userInput]") {$_} else {$userInput}
        if ($userInput -eq "all") {
          Get-VM | Get-Snapshot | select VM, Name, Created | Format-Table
        } else {
          $vm = Get-VM -Name "$userInput"
            Get-Snapshot -VM $vm | Select-Object VM, Name, Created | Format-Table
        }
      }
      "n" {
        $date = Get-Date -Format "dd.MM.yyyy HH:mm"
          $vm = Read-Host "On what host should the snapshot be created?"

          $name = "Manual snapshot of date $date"
          $name = if ($_ = Read-Host "What should be the name of the snapshot? [$name]") {$_} else {$name}

        New-Snapshot -VM $vm -Name "$name" -Memory:$true
      }
      "d" {
        $vm = Read-Host "From which host should the snapshot be deleted?"
          $data = Get-VM -Name "$vm" | Get-Snapshot | select VM, Name, Created

          $data | Format-Table

          $lastItem = $data[$data.Count - 1]

          $name = $lastItem.Name
          $name = if ($_ = Read-Host "Enter the name of the snapshot that should be deleted. [$name]") {$_} else {$name}

        $snapshot = Get-VM -Name "$vm" | Get-Snapshot -Name "$name"
          Remove-Snapshot -Snapshot $snapshot -confirm:$false
      }
      "e" {
        Write-Host "Program exists now..."
          $run = $false
      }
      Default {
        Write-Host "Invalid operation."
      }


    }

  Write-Host ""

}