Add unfinished scripts for building Linux topology
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342
ws2024/linux/Create-VMs.ps1
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342
ws2024/linux/Create-VMs.ps1
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<#
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Adjust these values only if your vCenter names are different:
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$TemplateFolderName Folder that contains the source template VMs.
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$TargetParentFolderName Parent folder that contains the target folder.
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$TargetFolderName Folder where the linked clones will be created.
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$ServerTemplateName Template VM used for server clones.
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$GuiTemplateName Template VM used for the workstation clone.
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This script expects these port groups to already exist:
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WAN-Linux
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INT-Linux
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DMZ-Linux
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VPN-Linux
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What the script does:
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- Creates the WS2024 Linux topology VMs as linked clones
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- Sets each VM to 2 vCPU and 4 GB RAM
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- Adds 4 extra 10 GB hard disks
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- Configures network adapters to match the topology
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- Injects cloud-init userdata for root and user
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- Powers on the VM, waits for cloud-init shutdown, then creates a snapshot named Start
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Run:
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.\Create-VMs.ps1
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#>
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[CmdletBinding()]
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param()
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$ErrorActionPreference = 'Stop'
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$TemplateFolderName = 'Templates'
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$TargetParentFolderName = 'Worldskills 2024'
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$TargetFolderName = 'Linux'
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$ServerTemplateName = 'debian-13-template'
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$GuiTemplateName = 'debian-13-gui-template'
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$ReferenceSnapshotName = 'Start'
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$StartSnapshotName = 'Start'
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$CpuCount = 2
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$MemoryGB = 4
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$ExtraDiskCount = 4
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$ExtraDiskSizeGB = 10
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$DefaultUsername = 'user'
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$DefaultPassword = 'Skill39@Lyon'
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$CloudInitShutdownTimeoutSeconds = 900
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function Get-SingleFolder {
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param(
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[Parameter(Mandatory = $true)]
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[string]$Name
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)
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$folders = @(Get-Folder -Name $Name -ErrorAction SilentlyContinue)
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if ($folders.Count -eq 0) {
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throw "Folder '$Name' was not found."
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}
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if ($folders.Count -gt 1) {
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throw "More than one folder named '$Name' was found. Make the name unique before running this script."
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}
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return $folders[0]
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}
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function Get-SingleChildFolder {
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param(
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[Parameter(Mandatory = $true)]
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[string]$Name,
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[Parameter(Mandatory = $true)]
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$ParentFolder
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)
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$folders = @(Get-Folder -Location $ParentFolder -Name $Name -ErrorAction SilentlyContinue)
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if ($folders.Count -eq 0) {
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throw "Folder '$Name' was not found under '$($ParentFolder.Name)'."
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}
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if ($folders.Count -gt 1) {
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throw "More than one folder named '$Name' was found under '$($ParentFolder.Name)'."
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}
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return $folders[0]
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}
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function Get-SingleVmFromFolder {
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param(
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[Parameter(Mandatory = $true)]
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[string]$Name,
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[Parameter(Mandatory = $true)]
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$Folder
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)
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$vms = @(Get-VM -Location $Folder -Name $Name -ErrorAction SilentlyContinue)
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if ($vms.Count -eq 0) {
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throw "VM '$Name' was not found in folder '$($Folder.Name)'."
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}
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if ($vms.Count -gt 1) {
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throw "More than one VM named '$Name' was found in folder '$($Folder.Name)'."
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}
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return $vms[0]
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}
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function Get-OrCreateReferenceSnapshot {
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param(
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[Parameter(Mandatory = $true)]
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$VM,
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[Parameter(Mandatory = $true)]
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[string]$SnapshotName
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)
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$snapshot = Get-Snapshot -VM $VM -Name $SnapshotName -ErrorAction SilentlyContinue
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if (-not $snapshot) {
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Write-Host "Creating snapshot '$SnapshotName' on source VM '$($VM.Name)'"
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$snapshot = New-Snapshot -VM $VM -Name $SnapshotName -Description 'Base snapshot for linked clones' -Memory:$false -Quiesce:$false
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}
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return $snapshot
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}
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function Set-ExactNetworkAdapters {
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param(
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[Parameter(Mandatory = $true)]
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$VM,
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[Parameter(Mandatory = $true)]
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[string[]]$PortGroupNames
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)
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$adapters = @(Get-NetworkAdapter -VM $VM | Sort-Object Name)
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while ($adapters.Count -gt $PortGroupNames.Count) {
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$adapterToRemove = $adapters[-1]
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Remove-NetworkAdapter -NetworkAdapter $adapterToRemove -Confirm:$false | Out-Null
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$adapters = @(Get-NetworkAdapter -VM $VM | Sort-Object Name)
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}
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for ($i = 0; $i -lt $PortGroupNames.Count; $i++) {
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if ($i -ge $adapters.Count) {
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New-NetworkAdapter -VM $VM -Type Vmxnet3 -NetworkName $PortGroupNames[$i] -StartConnected:$true -Confirm:$false | Out-Null
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$adapters = @(Get-NetworkAdapter -VM $VM | Sort-Object Name)
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}
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Set-NetworkAdapter -NetworkAdapter $adapters[$i] -NetworkName $PortGroupNames[$i] -StartConnected:$true -Confirm:$false | Out-Null
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}
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}
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function Ensure-ExtraDisks {
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param(
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[Parameter(Mandatory = $true)]
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$VM,
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[Parameter(Mandatory = $true)]
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[int]$DiskCount,
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[Parameter(Mandatory = $true)]
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[int]$DiskSizeGB
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)
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$hardDisks = @(Get-HardDisk -VM $VM | Sort-Object Name)
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$extraDisksNeeded = $DiskCount - ($hardDisks.Count - 1)
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while ($extraDisksNeeded -gt 0) {
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New-HardDisk -VM $VM -CapacityGB $DiskSizeGB -StorageFormat Thin | Out-Null
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$extraDisksNeeded--
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}
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}
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function Set-AdvancedSettingValue {
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param(
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[Parameter(Mandatory = $true)]
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$Entity,
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[Parameter(Mandatory = $true)]
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[string]$Name,
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[Parameter(Mandatory = $true)]
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[string]$Value
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)
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$setting = Get-AdvancedSetting -Entity $Entity -Name $Name -ErrorAction SilentlyContinue
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if ($setting) {
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Set-AdvancedSetting -AdvancedSetting $setting -Value $Value -Confirm:$false | Out-Null
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return
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}
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New-AdvancedSetting -Entity $Entity -Name $Name -Value $Value -Confirm:$false | Out-Null
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}
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function New-CloudInitUserData {
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param(
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[Parameter(Mandatory = $true)]
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[string]$VmName,
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[Parameter(Mandatory = $true)]
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[string]$Username,
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[Parameter(Mandatory = $true)]
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[string]$Password
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)
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return @"
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#cloud-config
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hostname: $VmName
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users:
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- default
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- name: $Username
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lock_passwd: false
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plain_text_passwd: '$Password'
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shell: /bin/bash
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sudo: ALL=(ALL) NOPASSWD:ALL
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groups: sudo
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ssh_pwauth: true
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disable_root: false
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chpasswd:
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expire: false
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list: |
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root:$Password
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${Username}:$Password
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power_state:
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mode: poweroff
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timeout: 30
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condition: true
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"@
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}
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function Set-CloudInitUserData {
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param(
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[Parameter(Mandatory = $true)]
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$VM,
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[Parameter(Mandatory = $true)]
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[string]$Username,
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[Parameter(Mandatory = $true)]
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[string]$Password
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)
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$userData = New-CloudInitUserData -VmName $VM.Name -Username $Username -Password $Password
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$encodedUserData = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($userData))
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Set-AdvancedSettingValue -Entity $VM -Name 'guestinfo.userdata' -Value $encodedUserData
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Set-AdvancedSettingValue -Entity $VM -Name 'guestinfo.userdata.encoding' -Value 'base64'
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}
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function Wait-ForVmToPowerOff {
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param(
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[Parameter(Mandatory = $true)]
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$VM,
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[Parameter(Mandatory = $true)]
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[int]$TimeoutSeconds
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)
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$deadline = (Get-Date).AddSeconds($TimeoutSeconds)
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do {
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$currentVm = Get-VM -Id $VM.Id
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if ($currentVm.PowerState -eq 'PoweredOff') {
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return
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}
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Start-Sleep -Seconds 5
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} while ((Get-Date) -lt $deadline)
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throw "VM '$($VM.Name)' did not power off within $TimeoutSeconds seconds."
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}
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$templateFolder = Get-SingleFolder -Name $TemplateFolderName
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$targetParentFolder = Get-SingleFolder -Name $TargetParentFolderName
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$targetFolder = Get-SingleChildFolder -Name $TargetFolderName -ParentFolder $targetParentFolder
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$serverTemplate = Get-SingleVmFromFolder -Name $ServerTemplateName -Folder $templateFolder
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$guiTemplate = Get-SingleVmFromFolder -Name $GuiTemplateName -Folder $templateFolder
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$serverReferenceSnapshot = Get-OrCreateReferenceSnapshot -VM $serverTemplate -SnapshotName $ReferenceSnapshotName
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$guiReferenceSnapshot = Get-OrCreateReferenceSnapshot -VM $guiTemplate -SnapshotName $ReferenceSnapshotName
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$vmDefinitions = @(
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@{ Name = 'fw'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('WAN-Linux', 'INT-Linux', 'DMZ-Linux', 'VPN-Linux') },
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@{ Name = 'int-srv01'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('INT-Linux') },
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@{ Name = 'mail'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('DMZ-Linux') },
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@{ Name = 'ha-prx01'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('DMZ-Linux') },
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@{ Name = 'ha-prx02'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('DMZ-Linux') },
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@{ Name = 'web01'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('DMZ-Linux') },
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@{ Name = 'web02'; Template = $serverTemplate; Snapshot = $serverReferenceSnapshot; Networks = @('DMZ-Linux') },
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@{ Name = 'jamie-ws01'; Template = $guiTemplate; Snapshot = $guiReferenceSnapshot; Networks = @('WAN-Linux', 'VPN-Linux') }
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)
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foreach ($definition in $vmDefinitions) {
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$vm = Get-VM -Name $definition.Name -ErrorAction SilentlyContinue
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if (-not $vm) {
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Write-Host "Creating $($definition.Name)"
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$resourcePool = Get-ResourcePool -Id $definition.Template.ExtensionData.ResourcePool
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$vmHost = Get-VMHost -Id $definition.Template.ExtensionData.Runtime.Host
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$vm = New-VM `
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-Name $definition.Name `
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-VM $definition.Template `
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-ReferenceSnapshot $definition.Snapshot `
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-LinkedClone `
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-Location $targetFolder `
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-ResourcePool $resourcePool `
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-VMHost $vmHost
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}
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else {
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Write-Host "$($definition.Name) already exists, updating configuration"
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}
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Set-VM -VM $vm -NumCpu $CpuCount -MemoryGB $MemoryGB -Confirm:$false | Out-Null
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Ensure-ExtraDisks -VM $vm -DiskCount $ExtraDiskCount -DiskSizeGB $ExtraDiskSizeGB
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Set-ExactNetworkAdapters -VM $vm -PortGroupNames $definition.Networks
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Set-CloudInitUserData -VM $vm -Username $DefaultUsername -Password $DefaultPassword
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$startSnapshot = Get-Snapshot -VM $vm -Name $StartSnapshotName -ErrorAction SilentlyContinue
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if (-not $startSnapshot) {
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if ((Get-VM -Id $vm.Id).PowerState -eq 'PoweredOn') {
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Stop-VMGuest -VM $vm -Confirm:$false -ErrorAction SilentlyContinue | Out-Null
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Wait-ForVmToPowerOff -VM $vm -TimeoutSeconds $CloudInitShutdownTimeoutSeconds
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}
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Start-VM -VM $vm | Out-Null
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Wait-ForVmToPowerOff -VM $vm -TimeoutSeconds $CloudInitShutdownTimeoutSeconds
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New-Snapshot -VM $vm -Name $StartSnapshotName -Description 'Initial state after clone creation' -Memory:$false -Quiesce:$false | Out-Null
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}
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Write-Host "$($definition.Name) ready"
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}
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