Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/120_locations.py

@@ -0,0 +1,23 @@
+import sys
+
+from dcim.models import Location, Site
+from startup_script_utils import load_yaml
+
+rack_groups = load_yaml("/opt/netbox/initializers/locations.yml")
+
+if rack_groups is None:
+    sys.exit()
+
+required_assocs = {"site": (Site, "name")}
+
+for params in rack_groups:
+
+    for assoc, details in required_assocs.items():
+        model, field = details
+        query = {field: params.pop(assoc)}
+        params[assoc] = model.objects.get(**query)
+
+    location, created = Location.objects.get_or_create(**params)
+
+    if created:
+        print("🎨 Created location", location.name)