Script to resize Azure VM's from any subscription. If a VM is stopped it will resize it. If it is running it will stop the VM and resize it.
#$NewSize = "Standard_D8s_v3"
$NewSize = "Standard_E4s_v3"
#$NewSize = "Standard_DS1_v2"
Function Out($message) {
$message = $(Get-Date -Format "MM/dd/yyyyTHH:mm:ss") + ":" + $message
Write-Output $message}
Out "Vm resize script starting...."
function Connect($tenantid)
{
$username = "username@contoso.com"
$password = ConvertTo-SecureString -AsPlainText -Force "password"
$pscredential = New-Object -TypeName System.Management.Automation.PSCredential($username, $password)
Connect-AzAccount -Credential $pscredential -Tenant $tenantId -EnvironmentName AzureUSGovernment
}
Function Resize-VM($VM)
{
Out "Resizing $($vm.name) in $($vm.ResourceGroupName) from $($VM.HardwareProfile.VmSize) to $NewSize" ## Change here
$VM.HardwareProfile.VmSize = $NewSize
Update-AzVM -ResourceGroupName $vm.ResourceGroupName -VM $VM
}
Function CheckVM($VM)
{
if((Get-AzVM -Name $VM.Name -Status).PowerState -eq "VM running")
{
Out "$($VM.Name) is resized and Started"
}
else {
Out "$($VM.Name) is resized and not started"
}
}
Connect "put your tenant id here"
$VMList = @("VM1","VM2" ## comma separated list of VM's
)
$Allsubs = Get-AzSubscription
foreach($sub in $Allsubs)
{
Select-AzSubscription -SubscriptionId $sub.SubscriptionId | Out-Null
$VMS = Get-AzVM -Status
foreach($vm in $VMS)
{
foreach($v in $VMList)
{
if($v -eq $Vm.name)
{
if($vm.PowerState -notmatch "VM running") ## If the VM is switched off.We resize but dont start it.
{
#Resize the vm
Out "VM $($VM.Name) is already powered off.Resizing...."
Resize-VM $VM
}
Else # If the VM is turned on. Turn it off, resize and start it.
{
Out "VM is powered on. So Stopping $($VM.Name)"
Stop-AzVM -Name $vm.Name -ResourceGroupName $vm.ResourceGroupName -Force
Start-Sleep -Seconds 120
#Get VM Status
if((Get-AzVM -Name $VM.Name -Status).PowerState -eq "VM deallocated")
{
Out "$($VM.Name) is now off. Resizing...."
Resize-VM $VM
Start-AzVM -Name $VM.Name -ResourceGroupName $VM.ResourceGroupName
Start-Sleep -Seconds 300
CheckVM $VM
}
}
}
}
}
}
