hyper-v scripts

create-vm.ps1

$working_directory = "C:\utilities\scripts\hyper-v\"
Set-Location -Path $working_directory

$s = Get-Date -Format o | ForEach-Object { $_ -replace ":", "." }
$timestamp = $s.Substring(0, $s.indexOf('.') + 6) # yyyy-MM-ddThh.mm.ss
$prefix = Read-Host "Prefix (default: mt)"
if ($prefix -eq '') {
    $prefix = "mt"
}
$project = Read-Host "Project (default: lab)"
if ($project -eq '') {
    $project = "lab"
}
$u_int_32 = Get-Random -Minimum ([UInt16]::MinValue) -Maximum ([UInt16]::MaxValue) # 2-byte unsigned integer represented in hexadecimal form
[UInt16]$u_int_16 = $u_int_32
$suffix = '{0:x}' -f $u_int_16

$vm_name = [string]::Format("{0}-{1}-{2}", $prefix, $project, $suffix)

$switch_name = Read-Host "Select virtual switch (default: Default Switch)"
if ($switch_name -eq '') {
    $switch_name = "Default Switch"
}

$base_vhd_path = "D:\Hyper-V\Virtual Hard Disks\base-ubuntu-vm.vhdx"
$vhd_path = [string]::Format("D:\Hyper-V\Virtual Hard Disks\{0}.vhdx", $vm_name)
$memory_startup_bytes = 4GB
$ssh_user = "root"

Add-Content -Path log.txt -Value "VM name: $vm_name"
Add-Content -Path log.txt -Value "Timestamp: $timestamp"

# New ubuntu vm based on base-ubuntu-vm. 
Add-Content -Path log.txt -Value "Copying base virtual hard disk..."
Copy-Item $base_vhd_path -Destination $vhd_path
Add-Content -Path log.txt -Value "Creating vm..."
New-VM -Name $vm_name -MemoryStartupBytes $memory_startup_bytes -BootDevice VHD -VHDPath $vhd_path -Generation 2 -SwitchName $switch_name | Add-Content log.txt -Encoding ASCII
Add-Content -Path log.txt -Value "Disabling secure boot..."
Set-VMFirmware -VMName $vm_name -EnableSecureBoot Off
Add-Content -Path log.txt -Value "Disabling dynamic memory..."
Set-VMMemory $vm_name -DynamicMemoryEnabled $false
Add-Content -Path log.txt -Value "Enabling nested virtualization..."
Set-VMProcessor -VMName $vm_name -ExposeVirtualizationExtensions $true

Add-Content -Path log.txt -Value "Setting intgration services..."
Enable-VMIntegrationService -Name "Shutdown", "Time Synchronization", "Exchange", "Heartbeat", "VSS", "Guest Service Interface" -VMName $vm_name
Disable-VMIntegrationService -Name "Time Synchronization", "VSS" -VMName $vm_name
Add-Content -Path log.txt -Value "Setting management options..."
Set-VM -Name $vm_name -AutomaticCheckpointsEnabled $false -AutomaticStartAction Nothing -AutomaticStopAction Save

Add-Content -Path log.txt -Value "Starting vm..."
Start-VM -Name $vm_name

if ($switch_name -eq "Default Switch") {
    Add-Content -Path log.txt -Value "Waiting for vm to stabilize..."
    Wait-VM $vm_name
    Start-Sleep -Seconds 5
} elseif ($switch_name -eq "NAT") {
    Add-Content -Path log.txt -Value "Waiting for vm to stabilize..."
    Wait-VM $vm_name
    Add-Content -Path log.txt -Value "Waiting for NetworkManager to activate static profile..."
    Start-Sleep -Seconds 60
}

# Add-Content -Path log.txt -Value "Upgrading distro..."
# hvc ssh -oStrictHostKeyChecking=no -l $ssh_user $vm_name "apt-get update && apt-get upgrade -y" | Add-Content log.txt -Encoding ASCII 
Add-Content -Path log.txt -Value "Setting hostname in vm"
$ssh_command_hostname = [string]::Format("sed -i s/base-ubuntu-vm/{0}/ /etc/hostname", $vm_name)
hvc ssh -oStrictHostKeyChecking=no -l $ssh_user $vm_name $ssh_command_hostname | Add-Content log.txt -Encoding ASCII 
$ssh_command_hosts = [string]::Format("sed -i 's/127.0.1.1 base-ubuntu-vm/127.0.1.1 {0}/' /etc/hosts", $vm_name)
hvc ssh -l $ssh_user $vm_name $ssh_command_hosts | Add-Content log.txt -Encoding ASCII 
Add-Content -Path log.txt -Value "Rebooting..."
hvc ssh -l $ssh_user $vm_name "reboot"

Add-Content -Path log.txt -Value "Waiting for vm to stabilize..."
Wait-VM $vm_name | Add-Content log.txt
Add-Content -Path log.txt -Value "vm ready."
Add-Content -Path log.txt -Value "___"

delete-vm.ps1

$working_directory = "C:\utilities\scripts\hyper-v\"
Set-Location -Path $working_directory

$vm_name = ''
 while ($vm_name -eq '') {
    $vm_name = Read-Host "VM name"
}

Add-Content -Path log.txt -Value "VM name: $vm_name"
Add-Content -Path log.txt -Value "Timestamp: $timestamp"
Add-Content -Path log.txt -Value "Stopping vm..."
Stop-VM -Name $vm_name
Add-Content -Path log.txt -Value "Deleting vhd..."
Get-VMHardDiskDrive -VMName $vm_name | Remove-Item 
Get-VMHardDiskDrive -VMName $vm_name | Remove-VMHardDiskDrive 
Add-Content -Path log.txt -Value "Deleting vm..."
Remove-VM -Name $vm_name -Force
Add-Content -Path log.txt -Value "___"