Cleanup & Reorg startup scripts (#691)

* Cleanup & Reorg startup scripts

startup_scripts/340_virtual_machines.py

@@ -0,0 +1,46 @@
+import sys
+
+from dcim.models import DeviceRole, Platform
+from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from tenancy.models import Tenant
+from virtualization.models import Cluster, VirtualMachine
+
+virtual_machines = load_yaml("/opt/netbox/initializers/virtual_machines.yml")
+
+if virtual_machines is None:
+    sys.exit()
+
+required_assocs = {"cluster": (Cluster, "name")}
+
+optional_assocs = {
+    "tenant": (Tenant, "name"),
+    "platform": (Platform, "name"),
+    "role": (DeviceRole, "name"),
+}
+
+for params in virtual_machines:
+    custom_field_data = pop_custom_fields(params)
+
+    # primary ips are handled later in `270_primary_ips.py`
+    params.pop("primary_ip4", None)
+    params.pop("primary_ip6", None)
+
+    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)
+
+    virtual_machine, created = VirtualMachine.objects.get_or_create(**params)
+
+    if created:
+        set_custom_fields_values(virtual_machine, custom_field_data)
+
+        print("🖥️ Created virtual machine", virtual_machine.name)