netbox/netbox/ipam/views.py

from django.contrib.contenttypes.models import ContentType
from django.db.models import Prefetch
from django.db.models.expressions import RawSQL
from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse
from django.utils.translation import gettext_lazy as _

from circuits.models import Provider
from dcim.filtersets import InterfaceFilterSet
from dcim.forms import InterfaceFilterForm
from dcim.models import Interface, Site
from ipam.tables import VLANTranslationRuleTable
from netbox.views import generic
from tenancy.views import ObjectContactsView
from utilities.query import count_related
from utilities.tables import get_table_ordering
from utilities.views import GetRelatedModelsMixin, ViewTab, register_model_view
from virtualization.filtersets import VMInterfaceFilterSet
from virtualization.forms import VMInterfaceFilterForm
from virtualization.models import VMInterface
from . import filtersets, forms, tables
from .choices import PrefixStatusChoices
from .constants import *
from .models import *
from .utils import add_requested_prefixes, add_available_ipaddresses, add_available_vlans


#
# VRFs
#

@register_model_view(VRF, 'list', path='', detail=False)
class VRFListView(generic.ObjectListView):
    queryset = VRF.objects.all()
    filterset = filtersets.VRFFilterSet
    filterset_form = forms.VRFFilterForm
    table = tables.VRFTable


@register_model_view(VRF)
class VRFView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = VRF.objects.all()

    def get_extra_context(self, request, instance):
        import_targets_table = tables.RouteTargetTable(
            instance.import_targets.all(),
            orderable=False
        )
        export_targets_table = tables.RouteTargetTable(
            instance.export_targets.all(),
            orderable=False
        )

        return {
            'related_models': self.get_related_models(request, instance, omit=[Interface, VMInterface]),
            'import_targets_table': import_targets_table,
            'export_targets_table': export_targets_table,
        }


@register_model_view(VRF, 'add', detail=False)
@register_model_view(VRF, 'edit')
class VRFEditView(generic.ObjectEditView):
    queryset = VRF.objects.all()
    form = forms.VRFForm


@register_model_view(VRF, 'delete')
class VRFDeleteView(generic.ObjectDeleteView):
    queryset = VRF.objects.all()


@register_model_view(VRF, 'bulk_import', detail=False)
class VRFBulkImportView(generic.BulkImportView):
    queryset = VRF.objects.all()
    model_form = forms.VRFImportForm


@register_model_view(VRF, 'bulk_edit', path='edit', detail=False)
class VRFBulkEditView(generic.BulkEditView):
    queryset = VRF.objects.all()
    filterset = filtersets.VRFFilterSet
    table = tables.VRFTable
    form = forms.VRFBulkEditForm


@register_model_view(VRF, 'bulk_delete', path='delete', detail=False)
class VRFBulkDeleteView(generic.BulkDeleteView):
    queryset = VRF.objects.all()
    filterset = filtersets.VRFFilterSet
    table = tables.VRFTable


#
# Route targets
#

@register_model_view(RouteTarget, 'list', path='', detail=False)
class RouteTargetListView(generic.ObjectListView):
    queryset = RouteTarget.objects.all()
    filterset = filtersets.RouteTargetFilterSet
    filterset_form = forms.RouteTargetFilterForm
    table = tables.RouteTargetTable


@register_model_view(RouteTarget)
class RouteTargetView(generic.ObjectView):
    queryset = RouteTarget.objects.all()


@register_model_view(RouteTarget, 'add', detail=False)
@register_model_view(RouteTarget, 'edit')
class RouteTargetEditView(generic.ObjectEditView):
    queryset = RouteTarget.objects.all()
    form = forms.RouteTargetForm


@register_model_view(RouteTarget, 'delete')
class RouteTargetDeleteView(generic.ObjectDeleteView):
    queryset = RouteTarget.objects.all()


@register_model_view(RouteTarget, 'bulk_import', detail=False)
class RouteTargetBulkImportView(generic.BulkImportView):
    queryset = RouteTarget.objects.all()
    model_form = forms.RouteTargetImportForm


@register_model_view(RouteTarget, 'bulk_edit', path='edit', detail=False)
class RouteTargetBulkEditView(generic.BulkEditView):
    queryset = RouteTarget.objects.all()
    filterset = filtersets.RouteTargetFilterSet
    table = tables.RouteTargetTable
    form = forms.RouteTargetBulkEditForm


@register_model_view(RouteTarget, 'bulk_delete', path='delete', detail=False)
class RouteTargetBulkDeleteView(generic.BulkDeleteView):
    queryset = RouteTarget.objects.all()
    filterset = filtersets.RouteTargetFilterSet
    table = tables.RouteTargetTable


#
# RIRs
#

@register_model_view(RIR, 'list', path='', detail=False)
class RIRListView(generic.ObjectListView):
    queryset = RIR.objects.annotate(
        aggregate_count=count_related(Aggregate, 'rir')
    )
    filterset = filtersets.RIRFilterSet
    filterset_form = forms.RIRFilterForm
    table = tables.RIRTable


@register_model_view(RIR)
class RIRView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = RIR.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(RIR, 'add', detail=False)
@register_model_view(RIR, 'edit')
class RIREditView(generic.ObjectEditView):
    queryset = RIR.objects.all()
    form = forms.RIRForm


@register_model_view(RIR, 'delete')
class RIRDeleteView(generic.ObjectDeleteView):
    queryset = RIR.objects.all()


@register_model_view(RIR, 'bulk_import', detail=False)
class RIRBulkImportView(generic.BulkImportView):
    queryset = RIR.objects.all()
    model_form = forms.RIRImportForm


@register_model_view(RIR, 'bulk_edit', path='edit', detail=False)
class RIRBulkEditView(generic.BulkEditView):
    queryset = RIR.objects.annotate(
        aggregate_count=count_related(Aggregate, 'rir')
    )
    filterset = filtersets.RIRFilterSet
    table = tables.RIRTable
    form = forms.RIRBulkEditForm


@register_model_view(RIR, 'bulk_delete', path='delete', detail=False)
class RIRBulkDeleteView(generic.BulkDeleteView):
    queryset = RIR.objects.annotate(
        aggregate_count=count_related(Aggregate, 'rir')
    )
    filterset = filtersets.RIRFilterSet
    table = tables.RIRTable


#
# ASN ranges
#

@register_model_view(ASNRange, 'list', path='', detail=False)
class ASNRangeListView(generic.ObjectListView):
    queryset = ASNRange.objects.annotate_asn_counts()
    filterset = filtersets.ASNRangeFilterSet
    filterset_form = forms.ASNRangeFilterForm
    table = tables.ASNRangeTable


@register_model_view(ASNRange)
class ASNRangeView(generic.ObjectView):
    queryset = ASNRange.objects.all()


@register_model_view(ASNRange, 'asns')
class ASNRangeASNsView(generic.ObjectChildrenView):
    queryset = ASNRange.objects.all()
    child_model = ASN
    table = tables.ASNTable
    filterset = filtersets.ASNFilterSet
    filterset_form = forms.ASNFilterForm
    tab = ViewTab(
        label=_('ASNs'),
        badge=lambda x: x.get_child_asns().count(),
        permission='ipam.view_asn',
        weight=500
    )

    def get_children(self, request, parent):
        return parent.get_child_asns().restrict(request.user, 'view').annotate(
            site_count=count_related(Site, 'asns'),
            provider_count=count_related(Provider, 'asns')
        )


@register_model_view(ASNRange, 'add', detail=False)
@register_model_view(ASNRange, 'edit')
class ASNRangeEditView(generic.ObjectEditView):
    queryset = ASNRange.objects.all()
    form = forms.ASNRangeForm


@register_model_view(ASNRange, 'delete')
class ASNRangeDeleteView(generic.ObjectDeleteView):
    queryset = ASNRange.objects.all()


@register_model_view(ASNRange, 'bulk_import', detail=False)
class ASNRangeBulkImportView(generic.BulkImportView):
    queryset = ASNRange.objects.all()
    model_form = forms.ASNRangeImportForm


@register_model_view(ASNRange, 'bulk_edit', path='edit', detail=False)
class ASNRangeBulkEditView(generic.BulkEditView):
    queryset = ASNRange.objects.annotate_asn_counts()
    filterset = filtersets.ASNRangeFilterSet
    table = tables.ASNRangeTable
    form = forms.ASNRangeBulkEditForm


@register_model_view(ASNRange, 'bulk_delete', path='delete', detail=False)
class ASNRangeBulkDeleteView(generic.BulkDeleteView):
    queryset = ASNRange.objects.annotate_asn_counts()
    filterset = filtersets.ASNRangeFilterSet
    table = tables.ASNRangeTable


#
# ASNs
#

@register_model_view(ASN, 'list', path='', detail=False)
class ASNListView(generic.ObjectListView):
    queryset = ASN.objects.annotate(
        site_count=count_related(Site, 'asns'),
        provider_count=count_related(Provider, 'asns')
    )
    filterset = filtersets.ASNFilterSet
    filterset_form = forms.ASNFilterForm
    table = tables.ASNTable


@register_model_view(ASN)
class ASNView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = ASN.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(
                request,
                instance,
                extra=(
                    (Site.objects.restrict(request.user, 'view').filter(asns__in=[instance]), 'asn_id'),
                    (Provider.objects.restrict(request.user, 'view').filter(asns__in=[instance]), 'asn_id'),
                ),
            ),
        }


@register_model_view(ASN, 'add', detail=False)
@register_model_view(ASN, 'edit')
class ASNEditView(generic.ObjectEditView):
    queryset = ASN.objects.all()
    form = forms.ASNForm


@register_model_view(ASN, 'delete')
class ASNDeleteView(generic.ObjectDeleteView):
    queryset = ASN.objects.all()


@register_model_view(ASN, 'bulk_import', detail=False)
class ASNBulkImportView(generic.BulkImportView):
    queryset = ASN.objects.all()
    model_form = forms.ASNImportForm


@register_model_view(ASN, 'bulk_edit', path='edit', detail=False)
class ASNBulkEditView(generic.BulkEditView):
    queryset = ASN.objects.annotate(
        site_count=count_related(Site, 'asns')
    )
    filterset = filtersets.ASNFilterSet
    table = tables.ASNTable
    form = forms.ASNBulkEditForm


@register_model_view(ASN, 'bulk_delete', path='delete', detail=False)
class ASNBulkDeleteView(generic.BulkDeleteView):
    queryset = ASN.objects.annotate(
        site_count=count_related(Site, 'asns')
    )
    filterset = filtersets.ASNFilterSet
    table = tables.ASNTable


#
# Aggregates
#

@register_model_view(Aggregate, 'list', path='', detail=False)
class AggregateListView(generic.ObjectListView):
    queryset = Aggregate.objects.annotate(
        child_count=RawSQL('SELECT COUNT(*) FROM ipam_prefix WHERE ipam_prefix.prefix <<= ipam_aggregate.prefix', ())
    )
    filterset = filtersets.AggregateFilterSet
    filterset_form = forms.AggregateFilterForm
    table = tables.AggregateTable


@register_model_view(Aggregate)
class AggregateView(generic.ObjectView):
    queryset = Aggregate.objects.all()


@register_model_view(Aggregate, 'prefixes')
class AggregatePrefixesView(generic.ObjectChildrenView):
    queryset = Aggregate.objects.all()
    child_model = Prefix
    table = tables.PrefixTable
    filterset = filtersets.PrefixFilterSet
    filterset_form = forms.PrefixFilterForm
    template_name = 'ipam/aggregate/prefixes.html'
    tab = ViewTab(
        label=_('Prefixes'),
        badge=lambda x: x.get_child_prefixes().count(),
        permission='ipam.view_prefix',
        weight=500
    )

    def get_children(self, request, parent):
        return Prefix.objects.restrict(request.user, 'view').filter(
            prefix__net_contained_or_equal=str(parent.prefix)
        ).prefetch_related('scope', 'role', 'tenant', 'tenant__group', 'vlan')

    def prep_table_data(self, request, queryset, parent):
        # Determine whether to show assigned prefixes, available prefixes, or both
        show_available = bool(request.GET.get('show_available', 'true') == 'true')
        show_assigned = bool(request.GET.get('show_assigned', 'true') == 'true')

        return add_requested_prefixes(parent.prefix, queryset, show_available, show_assigned)

    def get_extra_context(self, request, instance):
        return {
            'bulk_querystring': f'within={instance.prefix}',
            'first_available_prefix': instance.get_first_available_prefix(),
            'show_available': bool(request.GET.get('show_available', 'true') == 'true'),
            'show_assigned': bool(request.GET.get('show_assigned', 'true') == 'true'),
        }


@register_model_view(Aggregate, 'add', detail=False)
@register_model_view(Aggregate, 'edit')
class AggregateEditView(generic.ObjectEditView):
    queryset = Aggregate.objects.all()
    form = forms.AggregateForm


@register_model_view(Aggregate, 'delete')
class AggregateDeleteView(generic.ObjectDeleteView):
    queryset = Aggregate.objects.all()


@register_model_view(Aggregate, 'bulk_import', detail=False)
class AggregateBulkImportView(generic.BulkImportView):
    queryset = Aggregate.objects.all()
    model_form = forms.AggregateImportForm


@register_model_view(Aggregate, 'bulk_edit', path='edit', detail=False)
class AggregateBulkEditView(generic.BulkEditView):
    queryset = Aggregate.objects.annotate(
        child_count=RawSQL('SELECT COUNT(*) FROM ipam_prefix WHERE ipam_prefix.prefix <<= ipam_aggregate.prefix', ())
    )
    filterset = filtersets.AggregateFilterSet
    table = tables.AggregateTable
    form = forms.AggregateBulkEditForm


@register_model_view(Aggregate, 'bulk_delete', path='delete', detail=False)
class AggregateBulkDeleteView(generic.BulkDeleteView):
    queryset = Aggregate.objects.annotate(
        child_count=RawSQL('SELECT COUNT(*) FROM ipam_prefix WHERE ipam_prefix.prefix <<= ipam_aggregate.prefix', ())
    )
    filterset = filtersets.AggregateFilterSet
    table = tables.AggregateTable


@register_model_view(Aggregate, 'contacts')
class AggregateContactsView(ObjectContactsView):
    queryset = Aggregate.objects.all()


#
# Prefix/VLAN roles
#

@register_model_view(Role, 'list', path='', detail=False)
class RoleListView(generic.ObjectListView):
    queryset = Role.objects.annotate(
        prefix_count=count_related(Prefix, 'role'),
        iprange_count=count_related(IPRange, 'role'),
        vlan_count=count_related(VLAN, 'role')
    )
    filterset = filtersets.RoleFilterSet
    filterset_form = forms.RoleFilterForm
    table = tables.RoleTable


@register_model_view(Role)
class RoleView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Role.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(Role, 'add', detail=False)
@register_model_view(Role, 'edit')
class RoleEditView(generic.ObjectEditView):
    queryset = Role.objects.all()
    form = forms.RoleForm


@register_model_view(Role, 'delete')
class RoleDeleteView(generic.ObjectDeleteView):
    queryset = Role.objects.all()


@register_model_view(Role, 'bulk_import', detail=False)
class RoleBulkImportView(generic.BulkImportView):
    queryset = Role.objects.all()
    model_form = forms.RoleImportForm


@register_model_view(Role, 'bulk_edit', path='edit', detail=False)
class RoleBulkEditView(generic.BulkEditView):
    queryset = Role.objects.all()
    filterset = filtersets.RoleFilterSet
    table = tables.RoleTable
    form = forms.RoleBulkEditForm


@register_model_view(Role, 'bulk_delete', path='delete', detail=False)
class RoleBulkDeleteView(generic.BulkDeleteView):
    queryset = Role.objects.all()
    filterset = filtersets.RoleFilterSet
    table = tables.RoleTable


#
# Prefixes
#

@register_model_view(Prefix, 'list', path='', detail=False)
class PrefixListView(generic.ObjectListView):
    queryset = Prefix.objects.all()
    filterset = filtersets.PrefixFilterSet
    filterset_form = forms.PrefixFilterForm
    table = tables.PrefixTable
    template_name = 'ipam/prefix_list.html'


@register_model_view(Prefix)
class PrefixView(generic.ObjectView):
    queryset = Prefix.objects.all()

    def get_extra_context(self, request, instance):
        try:
            aggregate = Aggregate.objects.restrict(request.user, 'view').get(
                prefix__net_contains_or_equals=str(instance.prefix)
            )
        except Aggregate.DoesNotExist:
            aggregate = None

        # Parent prefixes table
        parent_prefixes = Prefix.objects.restrict(request.user, 'view').filter(
            Q(vrf=instance.vrf) | Q(vrf__isnull=True, status=PrefixStatusChoices.STATUS_CONTAINER)
        ).filter(
            prefix__net_contains=str(instance.prefix)
        ).prefetch_related(
            'scope', 'role', 'tenant', 'vlan',
        )
        parent_prefix_table = tables.PrefixTable(
            list(parent_prefixes),
            exclude=('vrf', 'utilization'),
            orderable=False
        )

        # Duplicate prefixes table
        duplicate_prefixes = Prefix.objects.restrict(request.user, 'view').filter(
            vrf=instance.vrf, prefix=str(instance.prefix)
        ).exclude(
            pk=instance.pk
        ).prefetch_related(
            'scope', 'role', 'tenant', 'vlan',
        )
        duplicate_prefix_table = tables.PrefixTable(
            list(duplicate_prefixes),
            exclude=('vrf', 'utilization'),
            orderable=False
        )

        return {
            'aggregate': aggregate,
            'parent_prefix_table': parent_prefix_table,
            'duplicate_prefix_table': duplicate_prefix_table,
        }


@register_model_view(Prefix, 'prefixes')
class PrefixPrefixesView(generic.ObjectChildrenView):
    queryset = Prefix.objects.all()
    child_model = Prefix
    table = tables.PrefixTable
    filterset = filtersets.PrefixFilterSet
    filterset_form = forms.PrefixFilterForm
    template_name = 'ipam/prefix/prefixes.html'
    tab = ViewTab(
        label=_('Child Prefixes'),
        badge=lambda x: x.get_child_prefixes().count(),
        permission='ipam.view_prefix',
        weight=500
    )

    def get_children(self, request, parent):
        return parent.get_child_prefixes().restrict(request.user, 'view').prefetch_related(
            'scope', 'vrf', 'vlan', 'role', 'tenant', 'tenant__group'
        )

    def prep_table_data(self, request, queryset, parent):
        # Determine whether to show assigned prefixes, available prefixes, or both
        show_available = bool(request.GET.get('show_available', 'true') == 'true')
        show_assigned = bool(request.GET.get('show_assigned', 'true') == 'true')

        return add_requested_prefixes(parent.prefix, queryset, show_available, show_assigned)

    def get_extra_context(self, request, instance):
        return {
            'bulk_querystring': f"vrf_id={instance.vrf.pk if instance.vrf else '0'}&within={instance.prefix}",
            'first_available_prefix': instance.get_first_available_prefix(),
            'show_available': bool(request.GET.get('show_available', 'true') == 'true'),
            'show_assigned': bool(request.GET.get('show_assigned', 'true') == 'true'),
        }


@register_model_view(Prefix, 'ipranges', path='ip-ranges')
class PrefixIPRangesView(generic.ObjectChildrenView):
    queryset = Prefix.objects.all()
    child_model = IPRange
    table = tables.IPRangeTable
    filterset = filtersets.IPRangeFilterSet
    filterset_form = forms.IPRangeFilterForm
    template_name = 'ipam/prefix/ip_ranges.html'
    tab = ViewTab(
        label=_('Child Ranges'),
        badge=lambda x: x.get_child_ranges().count(),
        permission='ipam.view_iprange',
        weight=600
    )

    def get_children(self, request, parent):
        return parent.get_child_ranges().restrict(request.user, 'view').prefetch_related(
            'tenant__group',
        )

    def get_extra_context(self, request, instance):
        return {
            'bulk_querystring': f"vrf_id={instance.vrf.pk if instance.vrf else '0'}&parent={instance.prefix}",
            'first_available_ip': instance.get_first_available_ip(),
        }


@register_model_view(Prefix, 'ipaddresses', path='ip-addresses')
class PrefixIPAddressesView(generic.ObjectChildrenView):
    queryset = Prefix.objects.all()
    child_model = IPAddress
    table = tables.IPAddressTable
    filterset = filtersets.IPAddressFilterSet
    filterset_form = forms.IPAddressFilterForm
    template_name = 'ipam/prefix/ip_addresses.html'
    tab = ViewTab(
        label=_('IP Addresses'),
        badge=lambda x: x.get_child_ips().count(),
        permission='ipam.view_ipaddress',
        weight=700
    )

    def get_children(self, request, parent):
        return parent.get_child_ips().restrict(request.user, 'view').prefetch_related('vrf', 'tenant', 'tenant__group')

    def prep_table_data(self, request, queryset, parent):
        if not request.GET.get('q') and not get_table_ordering(request, self.table):
            return add_available_ipaddresses(parent.prefix, queryset, parent.is_pool)
        return queryset

    def get_extra_context(self, request, instance):
        return {
            'bulk_querystring': f"vrf_id={instance.vrf.pk if instance.vrf else '0'}&parent={instance.prefix}",
            'first_available_ip': instance.get_first_available_ip(),
        }


@register_model_view(Prefix, 'add', detail=False)
@register_model_view(Prefix, 'edit')
class PrefixEditView(generic.ObjectEditView):
    queryset = Prefix.objects.all()
    form = forms.PrefixForm


@register_model_view(Prefix, 'delete')
class PrefixDeleteView(generic.ObjectDeleteView):
    queryset = Prefix.objects.all()


@register_model_view(Prefix, 'bulk_import', detail=False)
class PrefixBulkImportView(generic.BulkImportView):
    queryset = Prefix.objects.all()
    model_form = forms.PrefixImportForm


@register_model_view(Prefix, 'bulk_edit', path='edit', detail=False)
class PrefixBulkEditView(generic.BulkEditView):
    queryset = Prefix.objects.prefetch_related('vrf__tenant')
    filterset = filtersets.PrefixFilterSet
    table = tables.PrefixTable
    form = forms.PrefixBulkEditForm


@register_model_view(Prefix, 'bulk_delete', path='delete', detail=False)
class PrefixBulkDeleteView(generic.BulkDeleteView):
    queryset = Prefix.objects.prefetch_related('vrf__tenant')
    filterset = filtersets.PrefixFilterSet
    table = tables.PrefixTable


@register_model_view(Prefix, 'contacts')
class PrefixContactsView(ObjectContactsView):
    queryset = Prefix.objects.all()


#
# IP Ranges
#

@register_model_view(IPRange, 'list', path='', detail=False)
class IPRangeListView(generic.ObjectListView):
    queryset = IPRange.objects.all()
    filterset = filtersets.IPRangeFilterSet
    filterset_form = forms.IPRangeFilterForm
    table = tables.IPRangeTable


@register_model_view(IPRange)
class IPRangeView(generic.ObjectView):
    queryset = IPRange.objects.all()

    def get_extra_context(self, request, instance):

        # Parent prefixes table
        parent_prefixes = Prefix.objects.restrict(request.user, 'view').filter(
            Q(prefix__net_contains_or_equals=str(instance.start_address.ip)),
            Q(prefix__net_contains_or_equals=str(instance.end_address.ip)),
            vrf=instance.vrf
        ).prefetch_related(
            'scope', 'role', 'tenant', 'vlan', 'role'
        )
        parent_prefixes_table = tables.PrefixTable(
            list(parent_prefixes),
            exclude=('vrf', 'utilization'),
            orderable=False
        )

        return {
            'parent_prefixes_table': parent_prefixes_table,
        }


@register_model_view(IPRange, 'ipaddresses', path='ip-addresses')
class IPRangeIPAddressesView(generic.ObjectChildrenView):
    queryset = IPRange.objects.all()
    child_model = IPAddress
    table = tables.IPAddressTable
    filterset = filtersets.IPAddressFilterSet
    filterset_form = forms.IPRangeFilterForm
    template_name = 'ipam/iprange/ip_addresses.html'
    tab = ViewTab(
        label=_('IP Addresses'),
        badge=lambda x: x.get_child_ips().count(),
        permission='ipam.view_ipaddress',
        weight=500
    )

    def get_children(self, request, parent):
        return parent.get_child_ips().restrict(request.user, 'view')


@register_model_view(IPRange, 'add', detail=False)
@register_model_view(IPRange, 'edit')
class IPRangeEditView(generic.ObjectEditView):
    queryset = IPRange.objects.all()
    form = forms.IPRangeForm


@register_model_view(IPRange, 'delete')
class IPRangeDeleteView(generic.ObjectDeleteView):
    queryset = IPRange.objects.all()


@register_model_view(IPRange, 'bulk_import', detail=False)
class IPRangeBulkImportView(generic.BulkImportView):
    queryset = IPRange.objects.all()
    model_form = forms.IPRangeImportForm


@register_model_view(IPRange, 'bulk_edit', path='edit', detail=False)
class IPRangeBulkEditView(generic.BulkEditView):
    queryset = IPRange.objects.all()
    filterset = filtersets.IPRangeFilterSet
    table = tables.IPRangeTable
    form = forms.IPRangeBulkEditForm


@register_model_view(IPRange, 'bulk_delete', path='delete', detail=False)
class IPRangeBulkDeleteView(generic.BulkDeleteView):
    queryset = IPRange.objects.all()
    filterset = filtersets.IPRangeFilterSet
    table = tables.IPRangeTable


@register_model_view(IPRange, 'contacts')
class IPRangeContactsView(ObjectContactsView):
    queryset = IPRange.objects.all()


#
# IP addresses
#

@register_model_view(IPAddress, 'list', path='', detail=False)
class IPAddressListView(generic.ObjectListView):
    queryset = IPAddress.objects.all()
    filterset = filtersets.IPAddressFilterSet
    filterset_form = forms.IPAddressFilterForm
    table = tables.IPAddressTable


@register_model_view(IPAddress)
class IPAddressView(generic.ObjectView):
    queryset = IPAddress.objects.prefetch_related('vrf__tenant', 'tenant')

    def get_extra_context(self, request, instance):
        # Parent prefixes table
        parent_prefixes = Prefix.objects.restrict(request.user, 'view').filter(
            vrf=instance.vrf,
            prefix__net_contains_or_equals=str(instance.address.ip)
        ).prefetch_related(
            'scope', 'role'
        )
        parent_prefixes_table = tables.PrefixTable(
            list(parent_prefixes),
            exclude=('vrf', 'utilization'),
            orderable=False
        )

        # Duplicate IPs table
        duplicate_ips = IPAddress.objects.restrict(request.user, 'view').filter(
            vrf=instance.vrf,
            address=str(instance.address)
        ).exclude(
            pk=instance.pk
        ).prefetch_related(
            'nat_inside'
        )
        # Exclude anycast IPs if this IP is anycast
        if instance.role == IPAddressRoleChoices.ROLE_ANYCAST:
            duplicate_ips = duplicate_ips.exclude(role=IPAddressRoleChoices.ROLE_ANYCAST)
        # Limit to a maximum of 10 duplicates displayed here
        duplicate_ips_table = tables.IPAddressTable(duplicate_ips[:10], orderable=False)

        return {
            'parent_prefixes_table': parent_prefixes_table,
            'duplicate_ips_table': duplicate_ips_table,
        }


@register_model_view(IPAddress, 'add', detail=False)
@register_model_view(IPAddress, 'edit')
class IPAddressEditView(generic.ObjectEditView):
    queryset = IPAddress.objects.all()
    form = forms.IPAddressForm
    template_name = 'ipam/ipaddress_edit.html'

    def alter_object(self, obj, request, url_args, url_kwargs):

        if 'interface' in request.GET:
            try:
                obj.assigned_object = Interface.objects.get(pk=request.GET['interface'])
            except (ValueError, Interface.DoesNotExist):
                pass

        elif 'vminterface' in request.GET:
            try:
                obj.assigned_object = VMInterface.objects.get(pk=request.GET['vminterface'])
            except (ValueError, VMInterface.DoesNotExist):
                pass

        elif 'fhrpgroup' in request.GET:
            try:
                obj.assigned_object = FHRPGroup.objects.get(pk=request.GET['fhrpgroup'])
            except (ValueError, FHRPGroup.DoesNotExist):
                pass

        return obj


# TODO: Standardize or remove this view
@register_model_view(IPAddress, 'assign', path='assign', detail=False)
class IPAddressAssignView(generic.ObjectView):
    """
    Search for IPAddresses to be assigned to an Interface.
    """
    queryset = IPAddress.objects.all()

    def dispatch(self, request, *args, **kwargs):

        # Redirect user if an interface has not been provided
        if 'interface' not in request.GET and 'vminterface' not in request.GET:
            return redirect('ipam:ipaddress_add')

        return super().dispatch(request, *args, **kwargs)

    def get(self, request):
        form = forms.IPAddressAssignForm()

        return render(request, 'ipam/ipaddress_assign.html', {
            'form': form,
            'return_url': request.GET.get('return_url', ''),
        })

    def post(self, request):
        form = forms.IPAddressAssignForm(request.POST)
        table = None

        if form.is_valid():
            addresses = self.queryset.prefetch_related('vrf', 'tenant')
            # Limit to 100 results
            addresses = filtersets.IPAddressFilterSet(request.POST, addresses).qs[:100]
            table = tables.IPAddressAssignTable(addresses)

        return render(request, 'ipam/ipaddress_assign.html', {
            'form': form,
            'table': table,
            'return_url': request.GET.get('return_url'),
        })


@register_model_view(IPAddress, 'delete')
class IPAddressDeleteView(generic.ObjectDeleteView):
    queryset = IPAddress.objects.all()


@register_model_view(IPAddress, 'bulk_add', path='bulk-add', detail=False)
class IPAddressBulkCreateView(generic.BulkCreateView):
    queryset = IPAddress.objects.all()
    form = forms.IPAddressBulkCreateForm
    model_form = forms.IPAddressBulkAddForm
    pattern_target = 'address'
    template_name = 'ipam/ipaddress_bulk_add.html'


@register_model_view(IPAddress, 'bulk_import', detail=False)
class IPAddressBulkImportView(generic.BulkImportView):
    queryset = IPAddress.objects.all()
    model_form = forms.IPAddressImportForm


@register_model_view(IPAddress, 'bulk_edit', path='edit', detail=False)
class IPAddressBulkEditView(generic.BulkEditView):
    queryset = IPAddress.objects.prefetch_related('vrf__tenant')
    filterset = filtersets.IPAddressFilterSet
    table = tables.IPAddressTable
    form = forms.IPAddressBulkEditForm


@register_model_view(IPAddress, 'bulk_delete', path='delete', detail=False)
class IPAddressBulkDeleteView(generic.BulkDeleteView):
    queryset = IPAddress.objects.prefetch_related('vrf__tenant')
    filterset = filtersets.IPAddressFilterSet
    table = tables.IPAddressTable


@register_model_view(IPAddress, 'related_ips', path='related-ip-addresses')
class IPAddressRelatedIPsView(generic.ObjectChildrenView):
    queryset = IPAddress.objects.prefetch_related('vrf__tenant', 'tenant')
    child_model = IPAddress
    table = tables.IPAddressTable
    filterset = filtersets.IPAddressFilterSet
    filterset_form = forms.IPAddressFilterForm
    tab = ViewTab(
        label=_('Related IPs'),
        badge=lambda x: x.get_related_ips().count(),
        weight=500,
        hide_if_empty=True,
    )

    def get_children(self, request, parent):
        return parent.get_related_ips().restrict(request.user, 'view')


@register_model_view(IPAddress, 'contacts')
class IPAddressContactsView(ObjectContactsView):
    queryset = IPAddress.objects.all()


#
# VLAN groups
#

@register_model_view(VLANGroup, 'list', path='', detail=False)
class VLANGroupListView(generic.ObjectListView):
    queryset = VLANGroup.objects.annotate_utilization()
    filterset = filtersets.VLANGroupFilterSet
    filterset_form = forms.VLANGroupFilterForm
    table = tables.VLANGroupTable


@register_model_view(VLANGroup)
class VLANGroupView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = VLANGroup.objects.annotate_utilization()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(VLANGroup, 'add', detail=False)
@register_model_view(VLANGroup, 'edit')
class VLANGroupEditView(generic.ObjectEditView):
    queryset = VLANGroup.objects.all()
    form = forms.VLANGroupForm


@register_model_view(VLANGroup, 'delete')
class VLANGroupDeleteView(generic.ObjectDeleteView):
    queryset = VLANGroup.objects.all()


@register_model_view(VLANGroup, 'bulk_import', detail=False)
class VLANGroupBulkImportView(generic.BulkImportView):
    queryset = VLANGroup.objects.all()
    model_form = forms.VLANGroupImportForm


@register_model_view(VLANGroup, 'bulk_edit', path='edit', detail=False)
class VLANGroupBulkEditView(generic.BulkEditView):
    queryset = VLANGroup.objects.annotate_utilization().prefetch_related('tags')
    filterset = filtersets.VLANGroupFilterSet
    table = tables.VLANGroupTable
    form = forms.VLANGroupBulkEditForm


@register_model_view(VLANGroup, 'bulk_delete', path='delete', detail=False)
class VLANGroupBulkDeleteView(generic.BulkDeleteView):
    queryset = VLANGroup.objects.annotate_utilization().prefetch_related('tags')
    filterset = filtersets.VLANGroupFilterSet
    table = tables.VLANGroupTable


@register_model_view(VLANGroup, 'vlans')
class VLANGroupVLANsView(generic.ObjectChildrenView):
    queryset = VLANGroup.objects.all()
    child_model = VLAN
    table = tables.VLANTable
    filterset = filtersets.VLANFilterSet
    filterset_form = forms.VLANFilterForm
    tab = ViewTab(
        label=_('VLANs'),
        badge=lambda x: x.get_child_vlans().count(),
        permission='ipam.view_vlan',
        weight=500
    )

    def get_children(self, request, parent):
        return parent.get_child_vlans().restrict(request.user, 'view').prefetch_related(
            Prefetch('prefixes', queryset=Prefix.objects.restrict(request.user)),
            'tenant', 'site', 'role',
        )

    def prep_table_data(self, request, queryset, parent):
        if not get_table_ordering(request, self.table):
            return add_available_vlans(queryset, parent)
        return queryset


#
# VLAN Translation Policies
#

@register_model_view(VLANTranslationPolicy, 'list', path='', detail=False)
class VLANTranslationPolicyListView(generic.ObjectListView):
    queryset = VLANTranslationPolicy.objects.annotate(
        rule_count=count_related(VLANTranslationRule, 'policy'),
    )
    filterset = filtersets.VLANTranslationPolicyFilterSet
    filterset_form = forms.VLANTranslationPolicyFilterForm
    table = tables.VLANTranslationPolicyTable


@register_model_view(VLANTranslationPolicy)
class VLANTranslationPolicyView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = VLANTranslationPolicy.objects.all()

    def get_extra_context(self, request, instance):
        vlan_translation_table = VLANTranslationRuleTable(
            data=instance.rules.all(),
            orderable=False
        )
        return {
            'vlan_translation_table': vlan_translation_table,
        }


@register_model_view(VLANTranslationPolicy, 'add', detail=False)
@register_model_view(VLANTranslationPolicy, 'edit')
class VLANTranslationPolicyEditView(generic.ObjectEditView):
    queryset = VLANTranslationPolicy.objects.all()
    form = forms.VLANTranslationPolicyForm


@register_model_view(VLANTranslationPolicy, 'delete')
class VLANTranslationPolicyDeleteView(generic.ObjectDeleteView):
    queryset = VLANTranslationPolicy.objects.all()


@register_model_view(VLANTranslationPolicy, 'bulk_import', detail=False)
class VLANTranslationPolicyBulkImportView(generic.BulkImportView):
    queryset = VLANTranslationPolicy.objects.all()
    model_form = forms.VLANTranslationPolicyImportForm


@register_model_view(VLANTranslationPolicy, 'bulk_edit', path='edit', detail=False)
class VLANTranslationPolicyBulkEditView(generic.BulkEditView):
    queryset = VLANTranslationPolicy.objects.all()
    filterset = filtersets.VLANTranslationPolicyFilterSet
    table = tables.VLANTranslationPolicyTable
    form = forms.VLANTranslationPolicyBulkEditForm


@register_model_view(VLANTranslationPolicy, 'bulk_delete', path='delete', detail=False)
class VLANTranslationPolicyBulkDeleteView(generic.BulkDeleteView):
    queryset = VLANTranslationPolicy.objects.all()
    filterset = filtersets.VLANTranslationPolicyFilterSet
    table = tables.VLANTranslationPolicyTable


#
# VLAN Translation Rules
#

@register_model_view(VLANTranslationRule, 'list', path='', detail=False)
class VLANTranslationRuleListView(generic.ObjectListView):
    queryset = VLANTranslationRule.objects.all()
    filterset = filtersets.VLANTranslationRuleFilterSet
    filterset_form = forms.VLANTranslationRuleFilterForm
    table = tables.VLANTranslationRuleTable


@register_model_view(VLANTranslationRule)
class VLANTranslationRuleView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = VLANTranslationRule.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(VLANTranslationRule, 'add', detail=False)
@register_model_view(VLANTranslationRule, 'edit')
class VLANTranslationRuleEditView(generic.ObjectEditView):
    queryset = VLANTranslationRule.objects.all()
    form = forms.VLANTranslationRuleForm


@register_model_view(VLANTranslationRule, 'delete')
class VLANTranslationRuleDeleteView(generic.ObjectDeleteView):
    queryset = VLANTranslationRule.objects.all()


@register_model_view(VLANTranslationRule, 'bulk_import', detail=False)
class VLANTranslationRuleBulkImportView(generic.BulkImportView):
    queryset = VLANTranslationRule.objects.all()
    model_form = forms.VLANTranslationRuleImportForm


@register_model_view(VLANTranslationRule, 'bulk_edit', path='edit', detail=False)
class VLANTranslationRuleBulkEditView(generic.BulkEditView):
    queryset = VLANTranslationRule.objects.all()
    filterset = filtersets.VLANTranslationRuleFilterSet
    table = tables.VLANTranslationRuleTable
    form = forms.VLANTranslationRuleBulkEditForm


@register_model_view(VLANTranslationRule, 'bulk_delete', path='delete', detail=False)
class VLANTranslationRuleBulkDeleteView(generic.BulkDeleteView):
    queryset = VLANTranslationRule.objects.all()
    filterset = filtersets.VLANTranslationRuleFilterSet
    table = tables.VLANTranslationRuleTable


#
# FHRP groups
#

@register_model_view(FHRPGroup, 'list', path='', detail=False)
class FHRPGroupListView(generic.ObjectListView):
    queryset = FHRPGroup.objects.annotate(
        member_count=count_related(FHRPGroupAssignment, 'group')
    )
    filterset = filtersets.FHRPGroupFilterSet
    filterset_form = forms.FHRPGroupFilterForm
    table = tables.FHRPGroupTable


@register_model_view(FHRPGroup)
class FHRPGroupView(generic.ObjectView):
    queryset = FHRPGroup.objects.all()

    def get_extra_context(self, request, instance):
        # Get assigned interfaces
        members_table = tables.FHRPGroupAssignmentTable(
            data=FHRPGroupAssignment.objects.restrict(request.user, 'view').filter(group=instance),
            orderable=False
        )
        members_table.columns.hide('group')

        return {
            'members_table': members_table,
            'member_count': FHRPGroupAssignment.objects.filter(group=instance).count(),
        }


@register_model_view(FHRPGroup, 'add', detail=False)
@register_model_view(FHRPGroup, 'edit')
class FHRPGroupEditView(generic.ObjectEditView):
    queryset = FHRPGroup.objects.all()
    form = forms.FHRPGroupForm

    def get_return_url(self, request, obj=None):
        return_url = super().get_return_url(request, obj)

        # If we're redirecting the user to the FHRPGroupAssignment creation form,
        # initialize the group field with the FHRPGroup we just saved.
        if return_url.startswith(reverse('ipam:fhrpgroupassignment_add')):
            return_url += f'&group={obj.pk}'

        return return_url

    def alter_object(self, obj, request, url_args, url_kwargs):
        # Workaround to solve #10719. Capture the current user on the FHRPGroup instance so that
        # we can evaluate permissions during the creation of a new IPAddress within the form.
        obj._user = request.user
        return obj


@register_model_view(FHRPGroup, 'delete')
class FHRPGroupDeleteView(generic.ObjectDeleteView):
    queryset = FHRPGroup.objects.all()


@register_model_view(FHRPGroup, 'bulk_import', detail=False)
class FHRPGroupBulkImportView(generic.BulkImportView):
    queryset = FHRPGroup.objects.all()
    model_form = forms.FHRPGroupImportForm


@register_model_view(FHRPGroup, 'bulk_edit', path='edit', detail=False)
class FHRPGroupBulkEditView(generic.BulkEditView):
    queryset = FHRPGroup.objects.all()
    filterset = filtersets.FHRPGroupFilterSet
    table = tables.FHRPGroupTable
    form = forms.FHRPGroupBulkEditForm


@register_model_view(FHRPGroup, 'bulk_delete', path='delete', detail=False)
class FHRPGroupBulkDeleteView(generic.BulkDeleteView):
    queryset = FHRPGroup.objects.all()
    filterset = filtersets.FHRPGroupFilterSet
    table = tables.FHRPGroupTable


#
# FHRP group assignments
#

@register_model_view(FHRPGroupAssignment, 'add', detail=False)
@register_model_view(FHRPGroupAssignment, 'edit')
class FHRPGroupAssignmentEditView(generic.ObjectEditView):
    queryset = FHRPGroupAssignment.objects.all()
    form = forms.FHRPGroupAssignmentForm

    def alter_object(self, instance, request, args, kwargs):
        if not instance.pk:
            # Assign the interface based on URL kwargs
            content_type = get_object_or_404(ContentType, pk=request.GET.get('interface_type'))
            instance.interface = get_object_or_404(content_type.model_class(), pk=request.GET.get('interface_id'))
        return instance

    def get_extra_addanother_params(self, request):
        return {
            'interface_type': request.GET.get('interface_type'),
            'interface_id': request.GET.get('interface_id'),
        }


@register_model_view(FHRPGroupAssignment, 'delete')
class FHRPGroupAssignmentDeleteView(generic.ObjectDeleteView):
    queryset = FHRPGroupAssignment.objects.all()


#
# VLANs
#

@register_model_view(VLAN, 'list', path='', detail=False)
class VLANListView(generic.ObjectListView):
    queryset = VLAN.objects.all()
    filterset = filtersets.VLANFilterSet
    filterset_form = forms.VLANFilterForm
    table = tables.VLANTable


@register_model_view(VLAN)
class VLANView(generic.ObjectView):
    queryset = VLAN.objects.all()

    def get_extra_context(self, request, instance):
        prefixes = Prefix.objects.restrict(request.user, 'view').filter(vlan=instance).prefetch_related(
            'vrf', 'scope', 'role', 'tenant'
        )
        prefix_table = tables.PrefixTable(list(prefixes), exclude=('vlan', 'utilization'), orderable=False)

        return {
            'prefix_table': prefix_table,
        }


@register_model_view(VLAN, 'interfaces')
class VLANInterfacesView(generic.ObjectChildrenView):
    queryset = VLAN.objects.all()
    child_model = Interface
    table = tables.VLANDevicesTable
    filterset = InterfaceFilterSet
    filterset_form = InterfaceFilterForm
    tab = ViewTab(
        label=_('Device Interfaces'),
        badge=lambda x: x.get_interfaces().count(),
        permission='dcim.view_interface',
        weight=500
    )

    def get_children(self, request, parent):
        return parent.get_interfaces().restrict(request.user, 'view')


@register_model_view(VLAN, 'vminterfaces', path='vm-interfaces')
class VLANVMInterfacesView(generic.ObjectChildrenView):
    queryset = VLAN.objects.all()
    child_model = VMInterface
    table = tables.VLANVirtualMachinesTable
    filterset = VMInterfaceFilterSet
    filterset_form = VMInterfaceFilterForm
    tab = ViewTab(
        label=_('VM Interfaces'),
        badge=lambda x: x.get_vminterfaces().count(),
        permission='virtualization.view_vminterface',
        weight=510
    )

    def get_children(self, request, parent):
        return parent.get_vminterfaces().restrict(request.user, 'view')


@register_model_view(VLAN, 'add', detail=False)
@register_model_view(VLAN, 'edit')
class VLANEditView(generic.ObjectEditView):
    queryset = VLAN.objects.all()
    form = forms.VLANForm
    template_name = 'ipam/vlan_edit.html'


@register_model_view(VLAN, 'delete')
class VLANDeleteView(generic.ObjectDeleteView):
    queryset = VLAN.objects.all()


@register_model_view(VLAN, 'bulk_import', detail=False)
class VLANBulkImportView(generic.BulkImportView):
    queryset = VLAN.objects.all()
    model_form = forms.VLANImportForm


@register_model_view(VLAN, 'bulk_edit', path='edit', detail=False)
class VLANBulkEditView(generic.BulkEditView):
    queryset = VLAN.objects.all()
    filterset = filtersets.VLANFilterSet
    table = tables.VLANTable
    form = forms.VLANBulkEditForm


@register_model_view(VLAN, 'bulk_delete', path='delete', detail=False)
class VLANBulkDeleteView(generic.BulkDeleteView):
    queryset = VLAN.objects.all()
    filterset = filtersets.VLANFilterSet
    table = tables.VLANTable


#
# Service templates
#

@register_model_view(ServiceTemplate, 'list', path='', detail=False)
class ServiceTemplateListView(generic.ObjectListView):
    queryset = ServiceTemplate.objects.all()
    filterset = filtersets.ServiceTemplateFilterSet
    filterset_form = forms.ServiceTemplateFilterForm
    table = tables.ServiceTemplateTable


@register_model_view(ServiceTemplate)
class ServiceTemplateView(generic.ObjectView):
    queryset = ServiceTemplate.objects.all()


@register_model_view(ServiceTemplate, 'add', detail=False)
@register_model_view(ServiceTemplate, 'edit')
class ServiceTemplateEditView(generic.ObjectEditView):
    queryset = ServiceTemplate.objects.all()
    form = forms.ServiceTemplateForm


@register_model_view(ServiceTemplate, 'delete')
class ServiceTemplateDeleteView(generic.ObjectDeleteView):
    queryset = ServiceTemplate.objects.all()


@register_model_view(ServiceTemplate, 'bulk_import', detail=False)
class ServiceTemplateBulkImportView(generic.BulkImportView):
    queryset = ServiceTemplate.objects.all()
    model_form = forms.ServiceTemplateImportForm


@register_model_view(ServiceTemplate, 'bulk_edit', path='edit', detail=False)
class ServiceTemplateBulkEditView(generic.BulkEditView):
    queryset = ServiceTemplate.objects.all()
    filterset = filtersets.ServiceTemplateFilterSet
    table = tables.ServiceTemplateTable
    form = forms.ServiceTemplateBulkEditForm


@register_model_view(ServiceTemplate, 'bulk_delete', path='delete', detail=False)
class ServiceTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = ServiceTemplate.objects.all()
    filterset = filtersets.ServiceTemplateFilterSet
    table = tables.ServiceTemplateTable


#
# Services
#

@register_model_view(Service, 'list', path='', detail=False)
class ServiceListView(generic.ObjectListView):
    queryset = Service.objects.prefetch_related('device', 'virtual_machine')
    filterset = filtersets.ServiceFilterSet
    filterset_form = forms.ServiceFilterForm
    table = tables.ServiceTable


@register_model_view(Service)
class ServiceView(generic.ObjectView):
    queryset = Service.objects.all()


@register_model_view(Service, 'add', detail=False)
class ServiceCreateView(generic.ObjectEditView):
    queryset = Service.objects.all()
    form = forms.ServiceCreateForm


@register_model_view(Service, 'edit')
class ServiceEditView(generic.ObjectEditView):
    queryset = Service.objects.all()
    form = forms.ServiceForm


@register_model_view(Service, 'delete')
class ServiceDeleteView(generic.ObjectDeleteView):
    queryset = Service.objects.all()


@register_model_view(Service, 'bulk_import', detail=False)
class ServiceBulkImportView(generic.BulkImportView):
    queryset = Service.objects.all()
    model_form = forms.ServiceImportForm


@register_model_view(Service, 'bulk_edit', path='edit', detail=False)
class ServiceBulkEditView(generic.BulkEditView):
    queryset = Service.objects.prefetch_related('device', 'virtual_machine')
    filterset = filtersets.ServiceFilterSet
    table = tables.ServiceTable
    form = forms.ServiceBulkEditForm


@register_model_view(Service, 'bulk_delete', path='delete', detail=False)
class ServiceBulkDeleteView(generic.BulkDeleteView):
    queryset = Service.objects.prefetch_related('device', 'virtual_machine')
    filterset = filtersets.ServiceFilterSet
    table = tables.ServiceTable


@register_model_view(Service, 'contacts')
class ServiceContactsView(ObjectContactsView):
    queryset = Service.objects.all()