Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/400_services.py

@@ -0,0 +1,30 @@
+import sys
+
+from dcim.models import Device
+from ipam.models import Service
+from startup_script_utils import load_yaml
+from virtualization.models import VirtualMachine
+
+services = load_yaml("/opt/netbox/initializers/services.yml")
+
+if services is None:
+    sys.exit()
+
+optional_assocs = {
+    "device": (Device, "name"),
+    "virtual_machine": (VirtualMachine, "name"),
+}
+
+for params in services:
+
+    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)
+
+    service, created = Service.objects.get_or_create(**params)
+
+    if created:
+        print("🧰 Created Service", service.name)