Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/090_regions.py

@@ -0,0 +1,25 @@
+import sys
+
+from dcim.models import Region
+from startup_script_utils import load_yaml
+
+regions = load_yaml("/opt/netbox/initializers/regions.yml")
+
+if regions is None:
+    sys.exit()
+
+optional_assocs = {"parent": (Region, "name")}
+
+for params in regions:
+
+    for assoc, details in optional_assocs.items():
+        if assoc in params:
+            model, field = details
+            query = {field: params.pop(assoc)}
+
+            params[assoc] = model.objects.get(**query)
+
+    region, created = Region.objects.get_or_create(**params)
+
+    if created:
+        print("🌐 Created region", region.name)