add webhook initializer

Author: MajesticFalcon

initializers/webhooks.yml

@@ -0,0 +1,29 @@
+## Possible Choices:
+##   object_types:
+##   - device
+##   - site
+##   - any-other-content-type
+##   types:
+##   - type_create
+##   - type_update
+##   - type_delete
+## Examples:
+
+# - name: device_creation
+  # payload_url: 'https://github.com/netbox-community/netbox-docker'
+  # object_types: 
+    # - device
+    # - cable
+  # type_create: True
+# - name: device_update
+  # payload_url: 'https://google.com'
+  # object_types: 
+    # - device
+  # type_update: True
+- name: device_dele1te
+  payload_url: 'https://gitlab.com'
+  object_types: 
+    - device
+  type_delete: True
+
+

startup_scripts/290_webhooks.py

@@ -0,0 +1,28 @@
+from django.contrib.contenttypes.models import ContentType
+from extras.models import Webhook
+from startup_script_utils import load_yaml
+import sys
+
+
+webhooks = load_yaml('/opt/netbox/initializers/webhooks.yml')
+
+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
+
+for hook in webhooks:
+  obj_types = hook.pop('object_types')
+  obj_type_ids = []
+  for obj in obj_types:
+    obj_type_ids.append(get_content_type_id(obj))
+  if obj_type_ids is None:
+    print("⚠️ Error determining content type id for user declared var: {0}".format(obj_type))
+  else:
+    webhook = Webhook(**hook)
+    webhook.save()
+    webhook.obj_type.set(obj_type_ids)
+    # webhook.save()