netbox/netbox/ipam/api/serializers_/ip.py

199 lines
8.1 KiB
Python

from django.contrib.contenttypes.models import ContentType
from drf_spectacular.utils import extend_schema_field
from rest_framework import serializers
from dcim.api.serializers_.sites import SiteSerializer
from ipam.choices import *
from ipam.constants import IPADDRESS_ASSIGNMENT_MODELS
from ipam.models import Aggregate, IPAddress, IPRange, Prefix
from netbox.api.fields import ChoiceField, ContentTypeField
from netbox.api.serializers import NetBoxModelSerializer
from tenancy.api.serializers_.tenants import TenantSerializer
from utilities.api import get_serializer_for_model
from .asns import RIRSerializer
from .roles import RoleSerializer
from .vlans import VLANSerializer
from .vrfs import VRFSerializer
from ..field_serializers import IPAddressField, IPNetworkField
from ..nested_serializers import *
__all__ = (
'AggregateSerializer',
'AvailableIPSerializer',
'AvailablePrefixSerializer',
'IPAddressSerializer',
'IPRangeSerializer',
'PrefixLengthSerializer',
'PrefixSerializer',
)
class AggregateSerializer(NetBoxModelSerializer):
url = serializers.HyperlinkedIdentityField(view_name='ipam-api:aggregate-detail')
family = ChoiceField(choices=IPAddressFamilyChoices, read_only=True)
rir = RIRSerializer(nested=True)
tenant = TenantSerializer(nested=True, required=False, allow_null=True)
prefix = IPNetworkField()
class Meta:
model = Aggregate
fields = [
'id', 'url', 'display', 'family', 'prefix', 'rir', 'tenant', 'date_added', 'description', 'comments',
'tags', 'custom_fields', 'created', 'last_updated',
]
brief_fields = ('id', 'url', 'display', 'family', 'prefix', 'description')
class PrefixSerializer(NetBoxModelSerializer):
url = serializers.HyperlinkedIdentityField(view_name='ipam-api:prefix-detail')
family = ChoiceField(choices=IPAddressFamilyChoices, read_only=True)
site = SiteSerializer(nested=True, required=False, allow_null=True)
vrf = VRFSerializer(nested=True, required=False, allow_null=True)
tenant = TenantSerializer(nested=True, required=False, allow_null=True)
vlan = VLANSerializer(nested=True, required=False, allow_null=True)
status = ChoiceField(choices=PrefixStatusChoices, required=False)
role = RoleSerializer(nested=True, required=False, allow_null=True)
children = serializers.IntegerField(read_only=True)
_depth = serializers.IntegerField(read_only=True)
prefix = IPNetworkField()
class Meta:
model = Prefix
fields = [
'id', 'url', 'display', 'family', 'prefix', 'site', 'vrf', 'tenant', 'vlan', 'status', 'role', 'is_pool',
'mark_utilized', 'description', 'comments', 'tags', 'custom_fields', 'created', 'last_updated', 'children',
'_depth',
]
brief_fields = ('id', 'url', 'display', 'family', 'prefix', 'description', '_depth')
class PrefixLengthSerializer(serializers.Serializer):
prefix_length = serializers.IntegerField()
def to_internal_value(self, data):
requested_prefix = data.get('prefix_length')
if requested_prefix is None:
raise serializers.ValidationError({
'prefix_length': 'this field can not be missing'
})
if not isinstance(requested_prefix, int):
raise serializers.ValidationError({
'prefix_length': 'this field must be int type'
})
prefix = self.context.get('prefix')
if prefix.family == 4 and requested_prefix > 32:
raise serializers.ValidationError({
'prefix_length': 'Invalid prefix length ({}) for IPv4'.format(requested_prefix)
})
elif prefix.family == 6 and requested_prefix > 128:
raise serializers.ValidationError({
'prefix_length': 'Invalid prefix length ({}) for IPv6'.format(requested_prefix)
})
return data
class AvailablePrefixSerializer(serializers.Serializer):
"""
Representation of a prefix which does not exist in the database.
"""
family = serializers.IntegerField(read_only=True)
prefix = serializers.CharField(read_only=True)
vrf = VRFSerializer(nested=True, read_only=True, allow_null=True)
def to_representation(self, instance):
if self.context.get('vrf'):
vrf = VRFSerializer(self.context['vrf'], nested=True, context={'request': self.context['request']}).data
else:
vrf = None
return {
'family': instance.version,
'prefix': str(instance),
'vrf': vrf,
}
#
# IP ranges
#
class IPRangeSerializer(NetBoxModelSerializer):
url = serializers.HyperlinkedIdentityField(view_name='ipam-api:iprange-detail')
family = ChoiceField(choices=IPAddressFamilyChoices, read_only=True)
start_address = IPAddressField()
end_address = IPAddressField()
vrf = VRFSerializer(nested=True, required=False, allow_null=True)
tenant = TenantSerializer(nested=True, required=False, allow_null=True)
status = ChoiceField(choices=IPRangeStatusChoices, required=False)
role = RoleSerializer(nested=True, required=False, allow_null=True)
class Meta:
model = IPRange
fields = [
'id', 'url', 'display', 'family', 'start_address', 'end_address', 'size', 'vrf', 'tenant', 'status', 'role',
'description', 'comments', 'tags', 'custom_fields', 'created', 'last_updated',
'mark_utilized', 'description', 'comments', 'tags', 'custom_fields', 'created', 'last_updated',
]
brief_fields = ('id', 'url', 'display', 'family', 'start_address', 'end_address', 'description')
#
# IP addresses
#
class IPAddressSerializer(NetBoxModelSerializer):
url = serializers.HyperlinkedIdentityField(view_name='ipam-api:ipaddress-detail')
family = ChoiceField(choices=IPAddressFamilyChoices, read_only=True)
address = IPAddressField()
vrf = VRFSerializer(nested=True, required=False, allow_null=True)
tenant = TenantSerializer(nested=True, required=False, allow_null=True)
status = ChoiceField(choices=IPAddressStatusChoices, required=False)
role = ChoiceField(choices=IPAddressRoleChoices, allow_blank=True, required=False)
assigned_object_type = ContentTypeField(
queryset=ContentType.objects.filter(IPADDRESS_ASSIGNMENT_MODELS),
required=False,
allow_null=True
)
assigned_object = serializers.SerializerMethodField(read_only=True)
nat_inside = NestedIPAddressSerializer(required=False, allow_null=True)
nat_outside = NestedIPAddressSerializer(many=True, read_only=True)
class Meta:
model = IPAddress
fields = [
'id', 'url', 'display', 'family', 'address', 'vrf', 'tenant', 'status', 'role', 'assigned_object_type',
'assigned_object_id', 'assigned_object', 'nat_inside', 'nat_outside', 'dns_name', 'description', 'comments',
'tags', 'custom_fields', 'created', 'last_updated',
]
brief_fields = ('id', 'url', 'display', 'family', 'address', 'description')
@extend_schema_field(serializers.JSONField(allow_null=True))
def get_assigned_object(self, obj):
if obj.assigned_object is None:
return None
serializer = get_serializer_for_model(obj.assigned_object)
context = {'request': self.context['request']}
return serializer(obj.assigned_object, nested=True, context=context).data
class AvailableIPSerializer(serializers.Serializer):
"""
Representation of an IP address which does not exist in the database.
"""
family = serializers.IntegerField(read_only=True)
address = serializers.CharField(read_only=True)
vrf = VRFSerializer(nested=True, read_only=True, allow_null=True)
description = serializers.CharField(required=False)
def to_representation(self, instance):
if self.context.get('vrf'):
vrf = VRFSerializer(self.context['vrf'], nested=True, context={'request': self.context['request']}).data
else:
vrf = None
return {
'family': self.context['parent'].family,
'address': f"{instance}/{self.context['parent'].mask_length}",
'vrf': vrf,
}