param
(
[Parameter(Mandatory = $true, Position = 0)][String]$ESXiHost
)
Write-Host Loading PowerShell modules...
Import-Module PoSH-SSH
Import-Module VMware.PowerCLI
Push-Location -Path ([System.IO.Path]::GetDirectoryName($PSCommandPath))
If(-not (Test-Path -Path '.\creds' -PathType Container)) {
New-Item -Path '.\creds' -ItemType Directory | Out-Null
}
# Looks for credentials file for the VMware host. Passwords are stored encrypted
# and will only work for the user and machine on which they're stored.
$credsFile = ('.\creds\' + $ESXiHost + '.creds')
If(-not (Test-Path -Path $credsFile)) {
$creds = Get-Credential -Message "Enter root password for VMware host $ESXiHost" -User root
$creds.Password | ConvertFrom-SecureString | Set-Content $credsFile
}
$ESXICredential = New-Object System.Management.Automation.PSCredential( `
"root", `
(Get-Content $credsFile | ConvertTo-SecureString)
)
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
Connect-VIServer -Server $ESXiHost -Protocol https -Credential $ESXICredential -Force | Out-Null
If(-not $?) {
Throw "Connection to ESXi failed. If password issue, delete $credsFile and try again."
}
$guests = (Get-VM -Server $ESXiHost | Sort-Object)
$padWidth = ([string]($guests.Count - 1)).Length
Write-Host ("Existing VMs (" + $guests.Count + "), sorted by name:")
for ( $i = 0; $i -lt $guests.count; $i++)
{
If($guests[$i].PowerState -eq "PoweredOn") {
Write-Host -ForegroundColor Red ("[" + "$i".PadLeft($padWidth, ' ') + "](ON) : " + $guests[$i].Name)
} Else {
Write-Host ("[" + "$i".PadLeft($padWidth, ' ') + "](off): " + $guests[$i].Name)
}
}
Write-Host
$chosenVM = 0
do {
$inputValid = [int]::TryParse((Read-Host 'Enter the [number] of the VM to clone (the donor)'), [ref]$chosenVM)
if($chosenVM -lt 0 -or $chosenVM -ge $guests.Count) {
$inputValid = $false
}
if (-not $inputValid) {
Write-Host ("Must be a number in the range 0 to " + ($guests.Count - 1).ToString() + ". Try again.")
}
} while (-not $inputValid)
if($guests[$chosenVM].PowerState -ne "PoweredOff") {
Throw "ERROR: VM must be powered off before cloning"
}
If(-not ($guests[$chosenVM].ExtensionData.Config.Files.VmPathName -match '\[(.*)\] ([^\/]*)\/(.*)')) {
Throw "ERROR: Could not calculate the datastore"
}
$VMdatastore = $Matches[1]
$VMdirectory = $Matches[2]
$VMXlocation = ("/vmfs/volumes/" + $VMdatastore + "/" + $VMdirectory + "/" + $Matches[3])
$VMdisks = $guests[$chosenVM] | Get-HardDisk
###############################
## File test (PoSH-SSH SFTP) ##
###############################
# Clear any open SFTP sessions
Get-SFTPSession | Remove-SFTPSession | Out-Null
# Start a new SFTP session
(New-SFTPSession -Computername $ESXiHost -Credential $ESXICredential -Acceptkey -Force -WarningAction SilentlyContinue) | Out-Null
# Test that we can locate the VMX file
If(-not (Test-SFTPPath -SessionId 0 -Path $VMXlocation)) {
Throw "ERROR: Cannot find donor VM's VMX file"
}
$validInput = $false
While(-not $validInput) {
$newVMname = Read-Host "Enter the name of the new VM"
$newVMdirectory = ("/vmfs/volumes/" + $VMdatastore + "/" + $newVMname)
If(Test-SFTPPath -SessionId 0 -Path $newVMdirectory) {
$ynTest = $false
While(-not $ynTest) {
$yn = (Read-Host "A directory already exists with that name. Continue? [Y/N]").ToUpper()
if (($yn -ne 'Y') -and ($yn -ne 'N')) {
Write-Host "ERROR: enter Y or N"
} else {
$ynTest = $true
}
}
if($yn -eq 'Y') {
$validInput = $true
} else {
Write-Host "You will need to choose a different VM name."
}
} else {
If($newVMdirectory.Length -lt 1) {
Write-Host "ERROR: enter a name"
} else {
$validInput = $true
New-SFTPItem -SessionId 0 -Path $newVMdirectory -ItemType Directory | Out-Null
}
}
}
Get-SSHSession | Remove-SSHSession | Out-Null
(New-SSHSession -Computername $ESXiHost -Credential $ESXICredential -Acceptkey -Force -WarningAction SilentlyContinue) | Out-Null
Write-Host "Cloning the VMX file..."
$newVMXlocation = $newVMdirectory + '/' + $newVMname + '.vmx'
$command = ('sed -e "s/' + $VMdirectory + '/' + $newVMname + '/g" "' + $VMXlocation + '" > "' + $newVMXlocation + '"')
($commandResult = Invoke-SSHCommand -Index 0 -Command $command) | Out-Null
$find = 'displayName \= ".*"'
$replace = 'displayName = "' + $newVMname + '"'
$command = ("sed -i 's/$find/$replace/' '$newVMXlocation'")
($commandResult = Invoke-SSHCommand -Index 0 -Command $command) | Out-Null
# Blank the MAC address for adapter 1
$find = 'ethernet0.generatedAddress \= ".*"'
$replace = 'ethernet0.generatedAddress = ""'
$command = ("sed -i 's/$find/$replace/' '$newVMXlocation'")
($commandResult = Invoke-SSHCommand -Index 0 -Command $command) | Out-Null
#####################
## Clone the VMDKs ##
#####################
Write-Host "Please be patient while cloning disks. This can take some time!"
foreach($VMdisk in $VMdisks) {
# Extract the filename
$VMdisk.Filename -match "([^/]*\.vmdk)" | Out-Null
$oldDisk = ("/vmfs/volumes/" + $VMdatastore + "/" + $VMdirectory + "/" + $Matches[1])
$newDisk = ($newVMdirectory + "/" + ($Matches[1] -replace $VMdirectory, $newVMname))
# Clone the disk
$command = ('/bin/vmkfstools -i "' + $oldDisk + '" -d thin "' + $newDisk + '"')
Write-Host "Cloning disk $oldDisk to $newDisk with command:"
Write-Host $command
# Set a timeout of 10 minutes/600 seconds for the disk to clone
($commandResult = Invoke-SSHCommand -Index 0 -Command $command -TimeOut 600) | Out-Null
#Write-Host $commandResult.Output
}
########################
## Register the clone ##
########################
Write-Host "Registering the clone..."
$command = ('vim-cmd solo/register "' + $newVMXlocation + '"')
($commandResult = Invoke-SSHCommand -Index 0 -Command $command) | Out-Null
Disconnect-VIServer -Server $ESXiHost -Force -Confirm:$false
Get-SSHSession | Remove-SSHSession | Out-Null
Get-SFTPSession | Remove-SFTPSession | Out-Null
Pop-Location
