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99 lines
3.0 KiB
Python
99 lines
3.0 KiB
Python
from django.db.models import Count
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from dcim.models import Device, Interface
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from extras.api.views import CustomFieldModelViewSet
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from utilities.api import FieldChoicesViewSet, ModelViewSet
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from utilities.utils import get_subquery
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from virtualization import filters
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from virtualization.models import Cluster, ClusterGroup, ClusterType, VirtualMachine
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from . import serializers
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#
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# Field choices
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#
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class VirtualizationFieldChoicesViewSet(FieldChoicesViewSet):
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fields = (
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(VirtualMachine, ['status']),
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)
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#
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# Clusters
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#
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class ClusterTypeViewSet(ModelViewSet):
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queryset = ClusterType.objects.annotate(
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cluster_count=Count('clusters')
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)
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serializer_class = serializers.ClusterTypeSerializer
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filterset_class = filters.ClusterTypeFilter
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class ClusterGroupViewSet(ModelViewSet):
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queryset = ClusterGroup.objects.annotate(
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cluster_count=Count('clusters')
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)
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serializer_class = serializers.ClusterGroupSerializer
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filterset_class = filters.ClusterGroupFilter
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class ClusterViewSet(CustomFieldModelViewSet):
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queryset = Cluster.objects.prefetch_related(
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'type', 'group', 'tenant', 'site', 'tags'
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).annotate(
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device_count=get_subquery(Device, 'cluster'),
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virtualmachine_count=get_subquery(VirtualMachine, 'cluster')
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)
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serializer_class = serializers.ClusterSerializer
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filterset_class = filters.ClusterFilter
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#
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# Virtual machines
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#
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class VirtualMachineViewSet(CustomFieldModelViewSet):
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queryset = VirtualMachine.objects.prefetch_related(
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'cluster__site', 'role', 'tenant', 'platform', 'primary_ip4', 'primary_ip6', 'tags'
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)
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filterset_class = filters.VirtualMachineFilter
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def get_serializer_class(self):
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"""
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Select the specific serializer based on the request context.
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If the `brief` query param equates to True, return the NestedVirtualMachineSerializer
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If the `exclude` query param includes `config_context` as a value, return the VirtualMachineSerializer
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Else, return the VirtualMachineWithConfigContextSerializer
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"""
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request = self.get_serializer_context()['request']
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if request.query_params.get('brief', False):
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return serializers.NestedVirtualMachineSerializer
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elif 'config_context' in request.query_params.get('exclude', []):
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return serializers.VirtualMachineSerializer
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return serializers.VirtualMachineWithConfigContextSerializer
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class InterfaceViewSet(ModelViewSet):
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queryset = Interface.objects.filter(
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virtual_machine__isnull=False
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).prefetch_related(
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'virtual_machine', 'tags'
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)
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serializer_class = serializers.InterfaceSerializer
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filterset_class = filters.InterfaceFilter
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def get_serializer_class(self):
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request = self.get_serializer_context()['request']
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if request.query_params.get('brief', False):
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# Override get_serializer_for_model(), which will return the DCIM NestedInterfaceSerializer
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return serializers.NestedInterfaceSerializer
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return serializers.InterfaceSerializer
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