fix webhook initializer yaml and webhook startup script to work with latest netbox release

initializers/webhooks.yml

@@ -21,7 +21,7 @@
 #     - device
 #   type_update: True
 # - name: device_delete
-#  payload_url: 'https://gitlab.com'
+#   payload_url: 'https://gitlab.com1'
 #   object_types: 
 #     - device
 #   type_delete: True

startup_scripts/290_webhooks.py

@@ -10,9 +10,7 @@ if webhooks is None:
   sys.exit()
 
 def get_content_type_id(content_type_str):
-  for type in ContentType.objects.all():
-    if type.name == content_type_str:
-      return type.id
+  return ContentType.objects.get(model=content_type_str).id
 
 for hook in webhooks:
   obj_types = hook.pop('object_types')
@@ -23,6 +21,9 @@ for hook in webhooks:
     print("⚠️ Error determining content type id for user declared var: {0}".format(obj_type))
   else:
     webhook = Webhook(**hook)
+    if not Webhook.objects.filter(name=webhook.name):
       webhook.save()
-    webhook.obj_type.set(obj_type_ids)
-    # webhook.save()
+      webhook.content_types.set(obj_type_ids)
+      print("  Created Webhook {0}".format(webhook.name))
+    else:
+      print("  Skipping Webhook {0}, already exists".format(webhook.name))