netbox-docker/startup_scripts/210_vlans.py

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from dcim.models import Site
from ipam.models import VLAN, VLANGroup, Role
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from tenancy.models import Tenant, TenantGroup
from extras.models import CustomField, CustomFieldValue
from ruamel.yaml import YAML
from pathlib import Path
import sys
file = Path('/opt/netbox/initializers/vlans.yml')
if not file.is_file():
sys.exit()
with file.open('r') as stream:
yaml = YAML(typ='safe')
vlans = yaml.load(stream)
optional_assocs = {
'site': (Site, 'name'),
'tenant': (Tenant, 'name'),
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'tenant_group': (TenantGroup, 'name'),
'group': (VLANGroup, 'name'),
'role': (Role, 'name')
}
if vlans is not None:
for params in vlans:
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)
vlan, created = VLAN.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=vlan,
value=cf_value
)
vlan.custom_field_values.add(custom_field_value)
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print("🏠 Created VLAN", vlan.name)