Validate whether non-azurerm resources exist

Author: geekzter

common/functions/terraform.ps1

@@ -133,6 +133,14 @@ function Erase-TerraformAzureResources {
     }
 
     try {
+        # Validate whether non-azurerm resources are present
+        terraform state list | Select-String -Pattern '\.(azuredevops|azuread)_' | Set-Variable aadOrAzdoResources
+        if ($aadOrAzdoResources) {
+            Write-Warning "The following resources are present in the Terraform state, which are not supported by this function:"
+            $aadOrAzdoResources
+            return
+        }
+
 
         if (!$Repository) {
             $Repository = Find-RepositoryDirectory