functions/Get-AzSMAppServicePlanScaleinfo.ps1
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function global:Get-AzSMAppServicePlanScaleinfo { <# .SYNOPSIS List all App Service Plan scaling recommendations for a subscription. .DESCRIPTION List all App Service Plan scaling recommendations for a subscription. .PARAMETER SubscriptionID Azure subscription ID in the format, 00000000-0000-0000-0000-000000000000 .OUTPUTS String recommendations. .EXAMPLE Get-AzSMAppServicePlanScaleinfo -Subscription 00000000-0000-0000-0000-000000000000 APPPLANNAME - Low average CPU usage detected (8.00125)%. Scale down VM size. APPPLANNAME - Average CPU usage normal (64.4690909090909)%. Stay at current VM size. APPPLANNAME - High average CPU use detected (84.2233333333333)%. Scale up VM size. APPPLANNAME - No CPU data found. VM not running? .NOTES * CANNOT be piped to any Remove- Azure command. High CPU uasage is > 80% Low CPU usage is < 20% Normal CPU usage is 20% - 79% .LINK #> [CmdletBinding( DefaultParameterSetName='SubscriptionID', ConfirmImpact='Low' )] param( [Parameter(Mandatory=$true)][string] $SubscriptionID ) $null = Set-AzContext -SubscriptionId $SubscriptionID Write-Debug ('Subscription ID: {0}' -f $SubscriptionID) $rgs=Get-AzResourceGroup foreach ($r in $rgs) { $vms=Get-AzAppServicePlan -ResourceGroupName $r.ResourceGroupName foreach ($vm in $vms) { $met=Get-AzMetric -ResourceId $vm.Id -WarningAction SilentlyContinue $avg=$met.Data|Where-Object {$_.Average -gt 0}|Select-Object Average foreach ($a in $avg) { $t=$t+$a.Average } try { $cputimeavg=$t/$avg.Count } catch {} if ($avg.Count -lt 5) { $vmusage = 0 } else { try{ $vmusage=($avg.Average |Measure-Object -Average).Average }catch{} } if ($null -eq $vmusage -or $vmusage -eq 0){Write-Output ('{0} - Not enough CPU usage data. Is app not running or just started?' -f $vm.Name)} else { if ($vmusage -gt 79) { Write-Output ('{1} - High average CPU use detected ({0})%. Scale up App Service Plan size.' -f $vmusage,$vm.Name) } else { if ($vmusage -lt 20) { Write-Output ('{1} - Low average CPU usage detected ({0})%. Scale down App Service Plan size.' -f $vmusage,$vm.Name) } else { Write-Output ('{1} - Average CPU usage normal ({0})%. Stay at current App Service Plan size.' -f $vmusage,$vm.Name) } } } } } } Export-ModuleMember -Function Get-AzSMAppServicePlanScaleinfo |