netbox-docker/startup_scripts/215_dcim_interfaces.py

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from dcim.models import Interface, Device
from extras.models import CustomField, CustomFieldValue
from ruamel.yaml import YAML
from pathlib import Path
import sys
file = Path('/opt/netbox/initializers/dcim_interfaces.yml')
if not file.is_file():
sys.exit()
with file.open('r') as stream:
yaml = YAML(typ='safe')
interfaces = yaml.load(stream)
optional_assocs = {
'device': (Device, 'name')
}
if interfaces is not None:
for params in interfaces:
custom_fields = params.pop('custom_fields', None)
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)
interface, created = Interface.objects.get_or_create(**params)
if created:
if custom_fields is not None:
for cf_name, cf_value in custom_fields.items():
custom_field = CustomField.objects.get(name=cf_name)
custom_field_value = CustomFieldValue.objects.create(
field=custom_field,
obj=interface,
value=cf_value
)
interface.custom_field_values.add(custom_field_value)
print("Created interface", interface.name, interface.device.name)