added services startup_script

Author: ryanmerolle

initializers/services.yml

@@ -0,0 +1,10 @@
+# - name: SSH
+#   protocol: TCP
+#   ports:
+#     - 22
+#   virtual_machine: virtual machine 1
+# - name: FTP
+#   protocol: TCP
+#   ports: 
+#     - 21
+#   device: server01

startup_scripts/320_services.py

@@ -0,0 +1,29 @@
+from ipam.models import Service
+from dcim.models import Device
+from virtualization.models import VirtualMachine
+from startup_script_utils import load_yaml
+import sys
+
+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)