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This PowerShell Workflow runbook connects to Azure using an Automation Credential and Starts/Stops a VM/a list of VMs/All VMs in a Subscription in-parallel.
Workflow Stop-Start-AzureVM-By-Tag
{
Param
(
[Parameter(Mandatory=$true)][ValidateSet("Start","Stop")]
[String]
$Action,
[Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()]
[String]
$TagName="ScheduledOnOff",
[Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()]
[String]
$TagValue="Yes"
)
Write-Output "Logging in to Azure..."
$servicePrincipalConnection = Get-AutomationConnection -Name "AzureRunAsConnection"
$connectionResult = Connect-AzureRmAccount `
-ServicePrincipal `
-TenantId $servicePrincipalConnection.TenantId `
-ApplicationId $servicePrincipalConnection.ApplicationId `
-CertificateThumbprint $servicePrincipalConnection.CertificateThumbprint
Write-Output "Logging in to Azure succeeded"
try
{
$AzureVMNames = (Get-AzureRmVM | ? {$_.Tags[$TagName] -eq $TagValue}).Name
[System.Collections.ArrayList]$AzureVMs = $AzureVMNames
Write-Output "Looping all VM names";
foreach -parallel ($AzureVM in $AzureVMs)
{
Write-Output "($Action) VM ($AzureVM)...";
if($Action -eq "Stop")
{
Get-AzureRmVM | ? {$_.Name -eq $AzureVM} | Stop-AzureRmVM -Force
}
else
{
Get-AzureRmVM | ? {$_.Name -eq $AzureVM} | Start-AzureRmVM
}
Write-Output "($Action) VM ($AzureVM) done";
}
}
catch {
Write-Output "Looping all VM names: Got error ($_.Exception.Message)"
}
try
{
$AzureVMssNames = (Get-AzureRmVmss | ? {$_.Tags[$TagName] -eq $TagValue}).Name
[System.Collections.ArrayList]$AzureVMScaleSets = $AzureVMssNames
Write-Output "Looping all VM ScaleSet names";
foreach -parallel ($AzureVMScaleSet in $AzureVMScaleSets)
{
Write-Output "($Action) VM ($AzureVMScaleSet)...";
if($Action -eq "Stop")
{
Get-AzureRmVmss | ? {$_.Name -eq $AzureVMScaleSet} | Stop-AzureRmVmss -Force
}
else
{
Get-AzureRmVmss | ? {$_.Name -eq $AzureVMScaleSet} | Start-AzureRmVmss
}
Write-Output "($Action) VM ($AzureVMScaleSet) done";
}
}
catch {
Write-Output "Looping all VM ScaleSet names: Got error ($_.Exception.Message)"
}
Write-Output "Script completed"
}
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