Inherit-Tags-From-RG.ps1

#Login to Azure

Login-AzureRmAccount

$subscription = Read-Host -Prompt 'Input Subscription Name'

Set-AzureRmContext -Subscription $subscription

#List all Resources within the Subscription

$Resources = Get-AzureRmResource



#For each Resource apply the Tag of the Resource Group

Foreach ($resource in $Resources)

{

    $Rgname = $resource.ResourceGroupName



    $resourceid = $resource.resourceId

    $RGTags = (Get-AzureRmResourceGroup -Name $Rgname).Tags



    $resourcetags = $resource.Tags



    If ($resourcetags -eq $null)

        {

            Write-Output "---------------------------------------------"

            Write-Output "Applying the following Tags to $($resourceid)" $RGTags

            Write-Output "---------------------------------------------"

            $Settag = Set-AzureRmResource -ResourceId $resourceid -Tag $RGTagS -Force

            

        }

    Else

        {

            $RGTagFinal = @{}

            $RGTagFinal = $RGTags                  

                    Foreach ($resourcetag in $resourcetags.GetEnumerator())

                    {

                

                    If ($RGTags.Keys -inotcontains $resourcetag.Key)

                        {                        

                                Write-Output "------------------------------------------------"

                                Write-Output "Keydoesn't exist in RG Tags adding to Hash Table" $resourcetag

                                Write-Output "------------------------------------------------"

                                $RGTagFinal.Add($resourcetag.Key,$resourcetag.Value)

                        }    



                    }

            Write-Output "---------------------------------------------"

            Write-Output "Applying the following Tags to $($resourceid)" $RGTagFinal

            Write-Output "---------------------------------------------"

            $Settag = Set-AzureRmResource -ResourceId $resourceid -Tag $RGTagFinal -Force

        }   

}