#Login to Azure
Login-AzureRmAccount 

$myResourceGroup = "Zajecia"
$myScaleSet = "tgrss" 
$myLocation = "West Europe" 

#Deploy scale set - set the instances count 0.
#New-AzureRmResourceGroupDeployment -ResourceGroupName $myResourceGroup -TemplateFile deployscaleset-my.json 

# Define the script for your Custom Script Extension to run
$customConfig = @{
    "fileUris" = (,"https://raw.githubusercontent.com/iainfoulds/azure-samples/master/automate-iis.ps1");
    "commandToExecute" = "powershell -ExecutionPolicy Unrestricted -File automate-iis.ps1"
}

# Get information about the scale set
$vmss = Get-AzureRmVmss `
                -ResourceGroupName $myResourceGroup `
                -VMScaleSetName $myScaleSet -Verbose

#$vmss.Zones.IsSynchronized

# Add the Custom Script Extension to install IIS and configure basic website
$vmss = Add-AzureRmVmssExtension `
    -VirtualMachineScaleSet $vmss `
    -Name "customScript" `
    -Publisher "Microsoft.Compute" `
    -Type "CustomScriptExtension" `
    -TypeHandlerVersion 1.8 `
    -Setting $customConfig 

# Update the scale set and apply the Custom Script Extension to the VM instances
Update-AzureRmVmss `
    -VMScaleSetName $myScaleSet `
    -ResourceGroupName $myResourceGroup `
    -VirtualMachineScaleSet $vmss -Verbose

# Update instances
Update-AzureRmVmssInstance -ResourceGroupName $myResourceGroup -VMScaleSetName $myScaleSet -InstanceId "0"

# Configure autoscale
$mySubscriptionId = (Get-AzureRmSubscription).Id

# Scale out
$myRuleScaleOut = New-AzureRmAutoscaleRule `
    -MetricName "Percentage CPU" `
    -MetricResourceId /subscriptions/$mySubscriptionId/resourceGroups/$myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/$myScaleSet `
    -TimeGrain 00:01:00 `
    -MetricStatistic Average `
    -TimeWindow 00:07:00 `
    -Operator GreaterThan `
    -Threshold 30 `
    -ScaleActionCooldown 00:08:00 `
    -ScaleActionDirection Increase `
    -ScaleActionScaleType ChangeCount `
    -ScaleActionValue 1 

# Scale in
$myRuleScaleIn = New-AzureRmAutoscaleRule `
    -MetricName "Percentage CPU" `
    -MetricResourceId /subscriptions/$mySubscriptionId/resourceGroups/$myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/$myScaleSet `
    -Operator LessThan `
    -MetricStatistic Average `
    -Threshold 20 `
    -TimeGrain 00:01:00 `
    -TimeWindow 00:07:00 `
    -ScaleActionCooldown 00:05:00 `
    -ScaleActionDirection Decrease `
    -ScaleActionScaleType ChangeCount `
    -ScaleActionValue 1

# Define an autoscale profile
$myScaleProfile = New-AzureRmAutoscaleProfile `
    -DefaultCapacity 1 `
    -MaximumCapacity 3 `
    -MinimumCapacity 1 `
    -Rules $myRuleScaleOut,$myRuleScaleIn `
    -Name "autoprofile"

# New powershell rule not rules
# $myScaleProfile = New-AzureRmAutoscaleProfile `
#     -DefaultCapacity 1 `
#     -MaximumCapacity 3 `
#     -MinimumCapacity 1 `
#     -Rule $myRuleScaleOut,$myRuleScaleIn `
#     -Name "autoprofile"

# Apply autoscale rules to a scale set
# Add-AzureRmAutoscaleSetting `
#   -Location $myLocation `
#   -Name "autosetting" `
#   -ResourceGroup $myResourceGroup `
#   -TargetResourceId /subscriptions/$mySubscriptionId/resourceGroups/$myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/$myScaleSet `
#   -AutoscaleProfiles $myScaleProfile

# New powershell AutoscaleProfile not AutoscaleProfiles
  Add-AzureRmAutoscaleSetting `
  -Location $myLocation `
  -Name "autosetting" `
  -ResourceGroup $myResourceGroup `
  -TargetResourceId /subscriptions/$mySubscriptionId/resourceGroups/$myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/$myScaleSet `
  -AutoscaleProfile $myScaleProfile

# Gets the properties of a VMSS virtual machine
#Get-AzureRmVmssVM -ResourceGroupName $myResourceGroup -VMScaleSetName $myScaleSet