Automating vSphere with PowerCLI

#Install PowerCLI
Install-Module VMware.PowerCLI -AllowClobber -Force

#Disable Certificate Verficiation (Don't use this in production)
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false

#Disable CEIP Telemetry
Set-PowerCLIConfiguration -Scope User -ParticipateInCEIP:$false

#Save vSphere credentials
New-VICredentialStoreItem -Host <vSphere FQDN or IP> -User "<username>@domain.com" -Password "<password>"

#Test your connection to a vSphere Server
Connect-VIServer <vSphere FQDN or IP>

@echo off

SET LOGFILE=C:customise-ic-log.txt
(call :logit)>>"%LOGFILE%"
exit /b 0
 
:logit

goto:summary
Gets hostname, IP, DNS, Gateway from InstantClone_windows script
Requirements:
- Windows 10
- Vmware tools installed and running on template VM
:summary

set PATH=%PATH%;C:Program FilesVMwareVMware Tools
set IP_ADDRESS=
set HOSTNAME=
set HOSTNAME_ORIG=
for /f "skip=2 tokens=3*" %%A in ('netsh interface show interface') do set INTERFACE_NAME=%%B

echo === Start Pre-Freeze ===
 
timeout 3 > nul

echo === Disabling Network %INTERFACE_NAME% interface ... ===

ipconfig /release %INTERFACE_NAME% > nul 2>&1
netsh interface set interface name="%INTERFACE_NAME%" admin=disable
 
timeout 3 > nul
 
echo === End of Pre-Freeze ===
 
timeout 3 > nul
 
echo === Freezing ... ===
 
vmtoolsd.exe --cmd "instantclone.freeze"
 
timeout 3 > nul
 
echo === Start Post-Freeze when instant clone VM is unfrozen ===

for /F "Tokens=*" %%I in ('vmtoolsd.exe --cmd "info-get guestinfo.ic.ipaddress"') do set IP_ADDRESS=%%I
for /F "Tokens=*" %%J in ('vmtoolsd.exe --cmd "info-get guestinfo.ic.hostname"') do set HOSTNAME=%%J
for /F "Tokens=*" %%G in ('vmtoolsd.exe --cmd "info-get guestinfo.ic.gateway"') do set GATEWAY=%%G
for /F "Tokens=*" %%D in ('vmtoolsd.exe --cmd "info-get guestinfo.ic.dns"') do set DNS=%%D

for /F "Tokens=*" %%K in ('hostname') do set HOSTNAME_ORIG=%%K

timeout 1 > nul
 
echo === Updating IP Address ... === admin below means administratively down or up
netsh interface set interface name="%INTERFACE_NAME%" admin=enable
netsh interface ipv4 set address name="%INTERFACE_NAME%" static %IP_ADDRESS% 255.255.255.0 %GATEWAY%
netsh interface ip set dns "%INTERFACE_NAME%" static %DNS% > nul 2>&1

timeout 2 > nul
echo Original Name: %HOSTNAME_ORIG%
echo New Name: %HOSTNAME%

echo === Updating Hostname ... ===
wmic computersystem where caption='%HOSTNAME_ORIG%' rename '%HOSTNAME%' > nul 2>&1

timeout 4 > nul
 
echo === End of Post-Freeze ===
 
timeout 3 > nul
 
echo === Reboot Guest ===
shutdown -r -t 1

<#
.SYNOPSIS Script to deploy instant clones reused ESXi instant clone script.
.NOTES  Reference: http://www.virtuallyghetto.com/2018/05/leveraging-instant-clone-in-vsphere-6-7-for-extremely-fast-nested-esxi-provisioning.html
#>

#This key removes the self-signed cert warning for RDP - don't use it in production.
reg add "HKEY_CURRENT_USERSoftwareMicrosoftTerminal Server Client" /v "AuthenticationLevelOverride" /t "REG_DWORD" /d 0 /f

Import-Module .InstantClone.psm1
Connect-VIServer <vsphere FQDN or IP>
function Show-Menu
{
    param (
        [string]$Title = 'Instant Clone Selection'
    )
    Clear-Host
    Write-Host "================ $Title ================"
    
    Write-Host "1: Press '1' for Fresh Win 10 with Local admin account."
    Write-Host "2: Press '2' for Fresh Win 10 OOBE Autopilot test manual"
    Write-Host "3: Press '3' for Exising POS"
    Write-Host "4: Press '4' for Existing Office User"
    Write-Host "4: Press '5' for Existing Office User"
    Write-Host "5: Press '6' for Win 10 OOBE Autopilot test automatic"
    Write-Host "3: Press '7' for Exising POS - script test"
    Write-Host "4: Press '8' for Existing Office User - script test"
}

Show-Menu -Title 'My menu'
$selection = Read-host "Please make a selection"
switch ($selection)
{
    '1' {
        'selection 1'
        $SourceVM = "Windows 10 Template Fresh"
    } '2' {
        'selection 2'
    } '3' {
        'selection 3'
    } '4' {
        'selection 4'
    }
}

$numOfVMs = 3
$ipNetwork = "192.168.20"
$ipStartingCount=26
$currentIP=$ipStartingCount
$netmask = "255.255.255.0"
$dns = "192.168.20.10"
$gw = "192.168.20.1"
$networktype = "static" # static or dhcp

### DO NOT EDIT BEYOND HERE ###

$StartTime = Get-Date
foreach ($i in 1..$numOfVMs) {
    $newVMName = "Windows-20-$currentIP"

    # Generate random UUID which will be used to update
    # ESXi Host & VSAN Node UUID
    $uuid = [guid]::NewGuid()
    # Changing ESXi Host UUID requires format to be in hex
    $uuidHex = ($uuid.ToByteArray() | %{"0x{0:x}" -f $_}) -join " "

    $guestCustomizationValues = @{
        "guestinfo.ic.hostname" = "$newVMName"
        "guestinfo.ic.ipaddress" = "$ipNetwork.$currentIP"
        "guestinfo.ic.netmask" = "$netmask"
        "guestinfo.ic.gateway" = "$gw"
        "guestinfo.ic.dns" = "$dns"
        "guestinfo.ic.sourcevm" = "$SourceVM"
        "guestinfo.ic.networktype" = "$networktype"
        "guestinfo.ic.uuid" = "$uuid"
        "guestinfo.ic.uuidHex" = "$uuidHex"
    }
    Write-Host "IP Address: $ipNetwork.$currentIP"
    $currentIP++

    # Create Instant Clone
    New-InstantClone -SourceVM $SourceVM -DestinationVM $newVMName -CustomizationFields $guestCustomizationValues

}

$s = 40

#Connect to RDP automatically
do {
    Write-Progress -Activity "Provisioning... $s"
    Start-Sleep 1
    $s--
} while ($s -gt 0)

foreach ($j in 1..$numOfVMs) {

    $fullIP = "192.168.20.$ipStartingCount"
    Write-Output "Connecting to $fullIP"
    $Server=$fullIP
    $User="admin"
    $Password="password1234"
    cmdkey /generic:TERMSRV/$Server /user:$User /pass:$Password
    mstsc /v:$Server
    Start-sleep 4
    $ipStartingCount++
}

$EndTime = Get-Date
$duration = [math]::Round((New-TimeSpan -Start $StartTime -End $EndTime).TotalSeconds,2)

Write-Host -ForegroundColor Cyan  "`nTotal Instant Clones: $numOfVMs"
Write-Host -ForegroundColor Cyan  "StartTime: $StartTime"
Write-Host -ForegroundColor Cyan  "  EndTime: $EndTime"
Write-Host -ForegroundColor Green " Duration: $duration seconds"