netbox-docker/startup_scripts/230_virtual_machines.py

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from dcim.models import Site, Platform, DeviceRole
from virtualization.models import Cluster, VirtualMachine
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from virtualization.constants import VM_STATUS_CHOICES
from tenancy.models import Tenant
from extras.models import CustomField, CustomFieldValue
from ruamel.yaml import YAML
from pathlib import Path
import sys
file = Path('/opt/netbox/initializers/virtual_machines.yml')
if not file.is_file():
sys.exit()
with file.open('r') as stream:
yaml = YAML(typ='safe')
virtual_machines = yaml.load(stream)
required_assocs = {
'cluster': (Cluster, 'name')
}
optional_assocs = {
'tenant': (Tenant, 'name'),
'platform': (Platform, 'name'),
'role': (DeviceRole, 'name')
}
if virtual_machines is not None:
for params in virtual_machines:
custom_fields = params.pop('custom_fields', 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)
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if 'status' in params:
for vm_status in VM_STATUS_CHOICES:
if params['status'] in vm_status:
params['status'] = vm_status[0]
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break
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virtual_machine, created = VirtualMachine.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=virtual_machine,
value=cf_value
)
virtual_machine.custom_field_values.add(custom_field_value)
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print("🖥️ Created virtual machine", virtual_machine.name)