Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/160_power_feeds.py

@@ -0,0 +1,36 @@
+import sys
+
+from dcim.models import PowerFeed, PowerPanel, Rack
+from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+
+power_feeds = load_yaml("/opt/netbox/initializers/power_feeds.yml")
+
+if power_feeds is None:
+    sys.exit()
+
+required_assocs = {"power_panel": (PowerPanel, "name")}
+
+optional_assocs = {"rack": (Rack, "name")}
+
+for params in power_feeds:
+    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)
+
+    power_feed, created = PowerFeed.objects.get_or_create(**params)
+
+    if created:
+        set_custom_fields_values(power_feed, custom_field_data)
+
+        print("⚡ Created Power Feed", power_feed.name)