Category: Microsoft

I love powershell. I created a little script to deploy multi VM based on a Windows Template throug CSV file.

It’s create a computer account at the specfified ou. He greates also a Domain Local Group for management. (It used in the customization not specified here)

TempVMlist.csv

server,cpu,memory,DestinationCluster,OSCustomizationSpec,VMtemplate,adgroup

WARDTEST01,2,8,CLUSTER01,W2012R2_Demo,TPL_W2012R2_STD,ServerAdmin

MultiVM.ps1

#Filename: MultiVM.ps1

#Author: W. Vissers

#Source:

#Version: 1.1

#Date: 08-05-2018

#ChangeLog:

# V1.0 – Module Active Directory

#      – Module VMware PowerCli

#      – Active Directory Computer Account, Group

#      – Host Selected from Cluster with Least Memory

#      – Storage selection based on volume with most free space

# V1.1 – Added Harddisk 1&2

#      – Changed porte group other vlan

#

<#

.SYNOPSIS

Script to create a virtual machine from template

.DESCRIPTION

Script to create a virtual machine from template

.EXAMPLE

MultiVM.ps1

#>

################################## INIT #################################################

# LoadModule Active Directory

if (!(Get-Module “activedirectory”)) {Import-module activedirectory}

Else {Write-Host “Module Active Directory is al ready loaded”}

# LoadModule VMware PowerCLI

# if (!(Get-Module “VMware.PowerCLI”)) {

#    Find-Module VMware.PowerCLI

#    Install-Module -Name VMware.PowerCLI -Scope CurrentUser

#}

#Else

# {

# Write-Host “Module PowerCLI is al ready loaded”

# }

#Config

$ouservers=”OU=Servers,DC=wardvissers.nl,DC=nl”

$ougroup=”OU=GroepObjecten,DC=wardvissers,DC=nl”

$folder=”Applicatie Servers”

$DestinationVC =”vcenter01.wardvissers.nl“

#Username

if (!$username ) { $username = Read-Host “Give vCenter username ‘wardvissers\admin'”}

#Password

if ( -NOT $Password ) {

$PasswordSec = Read-Host “Give vCenter password” -AsSecureString

$Password = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($PasswordSec))

}

#Connect vCenter

$ConnectVC = Connect-VIServer $DestinationVC -Username $Username -Password $Password -AllLinked

$AllVMs = @()

$AllVMs = Import-Csv “D:\TempVMlist.csv”

foreach ($vm in $AllVMs) {

#Haal De Gegevens op

$server=$($vm.server)

$memory=$($vm.memory)

$cpu=$($vm.cpu)

$DestinationCluster=$($vm.DestinationCluster)

$OSSpec=”$($vm.OSCustomizationSpec)”

$VMtemplate=$($vm.VMtemplate)

$group=$($vm.adgroup)

$harddisk1=$($vm.harddisk1)

$harddisk2=$($vm.harddisk2)

Write-Host “$server heeft $memory GB memory en $cpu cpu(‘s)”

if ($server.length -gt 15) {

Write-Output “Hostname cannot contain more than 15 characters.”

$server = Read-Host “Re-enter hostname for host $server”}

Else

{

Write-Host “Server is umc server”

#Maak AD Groep aan en Computer Account

New-ADComputer -Name $server -Path $ouservers -Enabled $true

New-ADGroup -Name “DLG.$server” -SamAccountName “DLG.$server” -GroupCategory Security -GroupScope DomainLocal -DisplayName “DLG.$server” -Path $ougroup

Add-ADGroupMember -Identity “DLG.$server” -Members $group

}

# Rol server uit van Template

# Select the host with the less used memory

$DestinationHost = Get-Cluster –Name $DestinationCluster –Server $DestinationVC | Get-VMhost -State Connected | Sort-Object -Property MemoryUsageGB | Select-Object -First1

# Select DataStore with the most free space and not in maintance

$destinationDatastore = Get-Cluster $DestinationCluster | Get-Datastore | Where {$_.State -ne “Maintenance”} | Sort-Object -Property FreeSpaceGB -Descending | Select-Object -First 1

# Finally, I deploy my VM with the New-VM cmdlet using my template and OS specs. I place the VM on the ESXi host and store the VM on the datastore.

New-VM -Name $server -Template $VMTemplate -OSCustomizationSpec $OSSpec -VMHost $DestinationHOST -Datastore $DestinationDatastore -Location $folder

Get-VM $server | Set-VM -NumCpu $cpu -MemoryGB $memory -Confirm:$false

if ($harddisk1 -gt 60){Get-HardDisk -vm $server | Where {$_.Name -eq “Hard disk 1”} | Set-HardDisk -CapacityGB $harddisk1 -Confirm:$false}

if ($harddisk2 -gt 20) {Get-HardDisk -vm $server | Where {$_.Name -eq “Hard disk 2”} | Set-HardDisk -CapacityGB $harddisk2 -Confirm:$false}

Get-VM $server | Start-VM -Confirm:$false

Get-VM $Server | Get-NetworkAdapter | Set-NetworkAdapter -Connected $true -Confirm:$false

}