Create autoscale resources for scaleset (#1661)

* Initial progress to adding a auto scale resource

* auto scale API is ready

* When creating a scaleset, add an autoscale resource to it as well

* Auto scale is correctly linked with scaleset

* 🧹

* Lint

* Cleaned up

src/deployment/azuredeploy.json

@@ -67,6 +67,7 @@
         "Storage Account Contributor": "17d1049b-9a84-46fb-8f53-869881c3d3ab",
         "Virtual Machine Contributor": "9980e02c-c2be-4d73-94e8-173b1dc7cf3c",
         "Storage Blob Data Reader": "2a2b9908-6ea1-4ae2-8e65-a410df84e7d1",
+        "OneFuzz Deployment": "d4f7c2d9-6c1e-4caa-a39b-cba6d76bc647",
         "keyVaultName": "[concat('of-kv-', uniquestring(resourceGroup().id))]"
     },
     "functions": [
@@ -819,6 +820,21 @@
                 "OWNER": "[parameters('owner')]"
             }
         },
+        {
+            "type": "Microsoft.Authorization/roleAssignments",
+            "apiVersion": "2017-09-01",
+            "name": "[guid(concat(resourceGroup().id, '-auto_scale'))]",
+            "properties": {
+                "roleDefinitionId": "[concat('/subscriptions/', subscription().subscriptionId, '/providers/Microsoft.Authorization/roleDefinitions/', variables('OneFuzz Deployment'))]",
+                "principalId": "[reference(resourceId('Microsoft.Web/sites', parameters('name')), '2018-02-01', 'Full').identity.principalId]"
+            },
+            "DependsOn": [
+                "[resourceId('Microsoft.Web/sites', parameters('name'))]"
+            ],
+            "tags": {
+                "OWNER": "[parameters('owner')]"
+            }
+        },
         {
             "type": "Microsoft.Authorization/roleAssignments",
             "apiVersion": "2018-07-01",