Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/140_racks.py

@@ -0,0 +1,41 @@
+import sys
+
+from dcim.models import Location, Rack, RackRole, Site
+from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from tenancy.models import Tenant
+
+racks = load_yaml("/opt/netbox/initializers/racks.yml")
+
+if racks is None:
+    sys.exit()
+
+required_assocs = {"site": (Site, "name")}
+
+optional_assocs = {
+    "role": (RackRole, "name"),
+    "tenant": (Tenant, "name"),
+    "location": (Location, "name"),
+}
+
+for params in racks:
+    custom_field_data = pop_custom_fields(params)
+
+    for assoc, details in required_assocs.items():
+        model, field = details
+        query = {field: params.pop(assoc)}
+
+        params[assoc] = model.objects.get(**query)
+
+    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)
+
+    rack, created = Rack.objects.get_or_create(**params)
+
+    if created:
+        set_custom_fields_values(rack, custom_field_data)
+
+        print("🔳 Created rack", rack.site, rack.name)