Files
netbox/netbox/dcim/api/serializers_/devices.py
Martin Hauser ab94e3d40e feat(api): Include NAT IP fields in primary IP serializers
Add nat_inside and nat_outside fields to primary_ip, primary_ip4,
primary_ip6, and oob_ip on Device and VirtualMachine serializers.
Update prefetch logic to honor field-level constraints on nested
serializers and add test coverage for NAT field inclusion.

Fixes #19138
2026-04-10 15:07:53 -04:00

316 lines
14 KiB
Python

import decimal
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import gettext as _
from drf_spectacular.utils import extend_schema_field
from rest_framework import serializers
from dcim.choices import *
from dcim.constants import MACADDRESS_ASSIGNMENT_MODELS, MODULE_TOKEN
from dcim.models import Device, DeviceBay, MACAddress, Module, VirtualDeviceContext
from dcim.utils import get_module_bay_positions, resolve_module_placeholder
from extras.api.serializers_.configtemplates import ConfigTemplateSerializer
from ipam.api.serializers_.ip import IPAddressSerializer
from netbox.api.fields import ChoiceField, ContentTypeField, RelatedObjectCountField
from netbox.api.gfk_fields import GFKSerializerField
from netbox.api.serializers import PrimaryModelSerializer
from tenancy.api.serializers_.tenants import TenantSerializer
from virtualization.api.serializers_.clusters import ClusterSerializer
from .devicetypes import *
from .nested import NestedDeviceBaySerializer, NestedDeviceSerializer, NestedModuleBaySerializer
from .platforms import PlatformSerializer
from .racks import RackSerializer
from .roles import DeviceRoleSerializer
from .sites import LocationSerializer, SiteSerializer
from .virtualchassis import VirtualChassisSerializer
__all__ = (
'DeviceSerializer',
'DeviceWithConfigContextSerializer',
'MACAddressSerializer',
'ModuleSerializer',
'VirtualDeviceContextSerializer',
)
class DeviceSerializer(PrimaryModelSerializer):
device_type = DeviceTypeSerializer(nested=True)
role = DeviceRoleSerializer(nested=True)
tenant = TenantSerializer(
nested=True,
required=False,
allow_null=True,
default=None
)
platform = PlatformSerializer(nested=True, required=False, allow_null=True)
site = SiteSerializer(nested=True)
location = LocationSerializer(nested=True, required=False, allow_null=True, default=None)
rack = RackSerializer(nested=True, required=False, allow_null=True, default=None)
face = ChoiceField(choices=DeviceFaceChoices, allow_blank=True, default=lambda: '')
position = serializers.DecimalField(
max_digits=4,
decimal_places=1,
allow_null=True,
label=_('Position (U)'),
min_value=decimal.Decimal(0.5),
default=None
)
status = ChoiceField(choices=DeviceStatusChoices, required=False)
airflow = ChoiceField(choices=DeviceAirflowChoices, allow_blank=True, required=False)
primary_ip = IPAddressSerializer(
nested=True,
read_only=True,
allow_null=True,
fields=[*IPAddressSerializer.Meta.brief_fields, 'nat_inside', 'nat_outside'],
)
primary_ip4 = IPAddressSerializer(
nested=True,
required=False,
allow_null=True,
fields=[*IPAddressSerializer.Meta.brief_fields, 'nat_inside', 'nat_outside'],
)
primary_ip6 = IPAddressSerializer(
nested=True,
required=False,
allow_null=True,
fields=[*IPAddressSerializer.Meta.brief_fields, 'nat_inside', 'nat_outside'],
)
oob_ip = IPAddressSerializer(
nested=True,
required=False,
allow_null=True,
fields=[*IPAddressSerializer.Meta.brief_fields, 'nat_inside', 'nat_outside'],
)
parent_device = serializers.SerializerMethodField()
cluster = ClusterSerializer(nested=True, required=False, allow_null=True)
virtual_chassis = VirtualChassisSerializer(nested=True, required=False, allow_null=True, default=None)
vc_position = serializers.IntegerField(allow_null=True, max_value=255, min_value=0, default=None)
config_template = ConfigTemplateSerializer(nested=True, required=False, allow_null=True, default=None)
# Counter fields
console_port_count = serializers.IntegerField(read_only=True)
console_server_port_count = serializers.IntegerField(read_only=True)
power_port_count = serializers.IntegerField(read_only=True)
power_outlet_count = serializers.IntegerField(read_only=True)
interface_count = serializers.IntegerField(read_only=True)
front_port_count = serializers.IntegerField(read_only=True)
rear_port_count = serializers.IntegerField(read_only=True)
device_bay_count = serializers.IntegerField(read_only=True)
module_bay_count = serializers.IntegerField(read_only=True)
inventory_item_count = serializers.IntegerField(read_only=True)
class Meta:
model = Device
fields = [
'id', 'url', 'display_url', 'display', 'name', 'device_type', 'role', 'tenant', 'platform', 'serial',
'asset_tag', 'site', 'location', 'rack', 'position', 'face', 'latitude', 'longitude', 'parent_device',
'status', 'airflow', 'primary_ip', 'primary_ip4', 'primary_ip6', 'oob_ip', 'cluster', 'virtual_chassis',
'vc_position', 'vc_priority', 'description', 'owner', 'comments', 'config_template', 'local_context_data',
'tags', 'custom_fields', 'created', 'last_updated', 'console_port_count', 'console_server_port_count',
'power_port_count', 'power_outlet_count', 'interface_count', 'front_port_count', 'rear_port_count',
'device_bay_count', 'module_bay_count', 'inventory_item_count',
]
brief_fields = ('id', 'url', 'display', 'name', 'description')
@extend_schema_field(NestedDeviceSerializer(allow_null=True))
def get_parent_device(self, obj):
try:
device_bay = obj.parent_bay
except DeviceBay.DoesNotExist:
return None
context = {'request': self.context['request']}
data = NestedDeviceSerializer(instance=device_bay.device, context=context).data
data['device_bay'] = NestedDeviceBaySerializer(instance=device_bay, context=context).data
return data
class DeviceWithConfigContextSerializer(DeviceSerializer):
config_context = serializers.SerializerMethodField(read_only=True, allow_null=True)
class Meta(DeviceSerializer.Meta):
fields = [
'id', 'url', 'display_url', 'display', 'name', 'device_type', 'role', 'tenant', 'platform', 'serial',
'asset_tag', 'site', 'location', 'rack', 'position', 'face', 'latitude', 'longitude', 'parent_device',
'status', 'airflow', 'primary_ip', 'primary_ip4', 'primary_ip6', 'oob_ip', 'cluster', 'virtual_chassis',
'vc_position', 'vc_priority', 'description', 'owner', 'comments', 'config_template', 'config_context',
'local_context_data', 'tags', 'custom_fields', 'created', 'last_updated', 'console_port_count',
'console_server_port_count', 'power_port_count', 'power_outlet_count', 'interface_count',
'front_port_count', 'rear_port_count', 'device_bay_count', 'module_bay_count', 'inventory_item_count',
]
@extend_schema_field(serializers.JSONField(allow_null=True))
def get_config_context(self, obj):
return obj.get_config_context()
class VirtualDeviceContextSerializer(PrimaryModelSerializer):
device = DeviceSerializer(nested=True)
identifier = serializers.IntegerField(allow_null=True, max_value=32767, min_value=0, required=False, default=None)
tenant = TenantSerializer(nested=True, required=False, allow_null=True, default=None)
primary_ip = IPAddressSerializer(nested=True, read_only=True, allow_null=True)
primary_ip4 = IPAddressSerializer(nested=True, required=False, allow_null=True)
primary_ip6 = IPAddressSerializer(nested=True, required=False, allow_null=True)
status = ChoiceField(choices=VirtualDeviceContextStatusChoices)
# Related object counts
interface_count = RelatedObjectCountField('interfaces')
class Meta:
model = VirtualDeviceContext
fields = [
'id', 'url', 'display_url', 'display', 'name', 'device', 'identifier', 'tenant', 'primary_ip',
'primary_ip4', 'primary_ip6', 'status', 'description', 'owner', 'comments', 'tags', 'custom_fields',
'created', 'last_updated', 'interface_count',
]
brief_fields = ('id', 'url', 'display', 'name', 'identifier', 'device', 'description')
class ModuleSerializer(PrimaryModelSerializer):
device = DeviceSerializer(nested=True)
module_bay = NestedModuleBaySerializer()
module_type = ModuleTypeSerializer(nested=True)
status = ChoiceField(choices=ModuleStatusChoices, required=False)
replicate_components = serializers.BooleanField(
required=False,
default=True,
write_only=True,
label=_('Replicate components'),
help_text=_('Automatically populate components associated with this module type (default: true)')
)
adopt_components = serializers.BooleanField(
required=False,
default=False,
write_only=True,
label=_('Adopt components'),
help_text=_('Adopt already existing components')
)
class Meta:
model = Module
fields = [
'id', 'url', 'display_url', 'display', 'device', 'module_bay', 'module_type', 'status', 'serial',
'asset_tag', 'description', 'owner', 'comments', 'tags', 'custom_fields', 'created', 'last_updated',
'replicate_components', 'adopt_components',
]
brief_fields = ('id', 'url', 'display', 'device', 'module_bay', 'module_type', 'description')
def validate(self, data):
# When used as a nested serializer (e.g. as the `module` field on device component
# serializers), `data` is already a resolved Module instance — skip our custom logic.
if self.nested:
return super().validate(data)
# Pop write-only transient fields before ValidatedModelSerializer tries to
# construct a Module instance for full_clean(); restore them afterwards.
replicate_components = data.pop('replicate_components', True)
adopt_components = data.pop('adopt_components', False)
data = super().validate(data)
# For updates these fields are not meaningful; omit them from validated_data so that
# ModelSerializer.update() does not set unexpected attributes on the instance.
if self.instance:
return data
# Always pass the flags to create() so it can set the correct private attributes.
data['replicate_components'] = replicate_components
data['adopt_components'] = adopt_components
# Skip conflict checks when no component operations are requested.
if not replicate_components and not adopt_components:
return data
device = data.get('device')
module_type = data.get('module_type')
module_bay = data.get('module_bay')
# Required-field validation fires separately; skip here if any are missing.
if not all([device, module_type, module_bay]):
return data
positions = get_module_bay_positions(module_bay)
for templates_attr, component_attr in [
('consoleporttemplates', 'consoleports'),
('consoleserverporttemplates', 'consoleserverports'),
('interfacetemplates', 'interfaces'),
('powerporttemplates', 'powerports'),
('poweroutlettemplates', 'poweroutlets'),
('rearporttemplates', 'rearports'),
('frontporttemplates', 'frontports'),
]:
installed_components = {
component.name: component
for component in getattr(device, component_attr).all()
}
for template in getattr(module_type, templates_attr).all():
resolved_name = template.name
if MODULE_TOKEN in template.name:
if not module_bay.position:
raise serializers.ValidationError(
_("Cannot install module with placeholder values in a module bay with no position defined.")
)
try:
resolved_name = resolve_module_placeholder(template.name, positions)
except ValueError as e:
raise serializers.ValidationError(str(e))
existing_item = installed_components.get(resolved_name)
if adopt_components and existing_item and existing_item.module:
raise serializers.ValidationError(
_("Cannot adopt {model} {name} as it already belongs to a module").format(
model=template.component_model.__name__,
name=resolved_name
)
)
if not adopt_components and resolved_name in installed_components:
raise serializers.ValidationError(
_("A {model} named {name} already exists").format(
model=template.component_model.__name__,
name=resolved_name
)
)
return data
def create(self, validated_data):
replicate_components = validated_data.pop('replicate_components', True)
adopt_components = validated_data.pop('adopt_components', False)
# Tags are handled after save; pop them here to pass to _save_tags()
tags = validated_data.pop('tags', None)
# _adopt_components and _disable_replication must be set on the instance before
# save() is called, so we cannot delegate to super().create() here.
instance = self.Meta.model(**validated_data)
if adopt_components:
instance._adopt_components = True
if not replicate_components:
instance._disable_replication = True
instance.save()
if tags is not None:
self._save_tags(instance, tags)
return instance
class MACAddressSerializer(PrimaryModelSerializer):
assigned_object_type = ContentTypeField(
queryset=ContentType.objects.filter(MACADDRESS_ASSIGNMENT_MODELS),
required=False,
allow_null=True
)
assigned_object = GFKSerializerField(read_only=True)
class Meta:
model = MACAddress
fields = [
'id', 'url', 'display_url', 'display', 'mac_address', 'assigned_object_type', 'assigned_object_id',
'assigned_object', 'description', 'owner', 'comments', 'tags', 'custom_fields', 'created', 'last_updated',
]
brief_fields = ('id', 'url', 'display', 'mac_address', 'description')