class ProviderMachineSerializer(serializers.HyperlinkedModelSerializer):
# NOTE: these fields could be generalized for reuse in VolumeSerializer
uuid = serializers.ReadOnlyField(source='instance_source.identifier')
provider = ProviderSummarySerializer(source='instance_source.provider')
version = ImageVersionSummarySerializer(source='application_version')
image = ImageSummarySerializer(source='application')
created_by = UserSummarySerializer(source='instance_source.created_by')
start_date = serializers.DateTimeField(source='instance_source.start_date')
end_date = serializers.DateTimeField(source='instance_source.end_date',
allow_null=True)
licenses = LicenseSummarySerializer(many=True, read_only=True) # NEW
members = serializers.SlugRelatedField(slug_field='name',
read_only=True,
many=True) # NEW
# NOTE: this is still using ID instead of UUID -- due to abstract classes and use of getattr in L271 of rest_framework/relations.py, this is a 'kink' that has not been worked out yet.
url = InstanceSourceHyperlinkedIdentityField(
view_name='api:v2:providermachine-detail', )
class Meta:
model = ProviderMachine
fields = ('id', 'uuid', 'url', 'provider', 'image', 'licenses',
'members', 'version', 'created_by', 'start_date', 'end_date')
def update(self, instance, validated_data):
if 'instance_source' in validated_data:
source = instance.instance_source
source_data = validated_data.pop('instance_source')
for key, val in source_data.items():
setattr(source, key, val)
source.save()
for (key, val) in validated_data.items():
setattr(instance, key, val)
instance.save()
return instance
class VolumeSerializer(serializers.HyperlinkedModelSerializer):
description = serializers.CharField(required=False, allow_blank=True)
identity = ModelRelatedField(source="instance_source.created_by_identity",
lookup_field="uuid",
queryset=Identity.objects.all(),
serializer_class=IdentitySummarySerializer,
style={'base_template': 'input.html'})
provider = ModelRelatedField(source="instance_source.provider",
queryset=Provider.objects.all(),
serializer_class=ProviderSummarySerializer,
style={'base_template': 'input.html'},
required=False)
user = UserSummarySerializer(source='instance_source.created_by',
read_only=True)
project = ModelRelatedField(
queryset=Project.objects.all(),
serializer_class=ProjectSummarySerializer,
style={'base_template': 'input.html'})
uuid = serializers.CharField(source='instance_source.identifier',
read_only=True)
# NOTE: this is still using ID instead of UUID -- due to abstract classes and use of getattr in L271 of rest_framework/relations.py, this is a 'kink' that has not been worked out yet.
url = InstanceSourceHyperlinkedIdentityField(
view_name='api:v2:volume-detail',
)
class Meta:
model = Volume
read_only_fields = ("user", "uuid", "start_date", "end_date")
fields = (
'id',
'uuid',
'name',
'description',
'identity',
'user',
'provider',
'project',
'size',
'url',
'start_date',
'end_date')
def validate(self, data):
if not data and not self.initial_data:
return data
raise Exception(
"This serializer for GET output ONLY! -- "
"Use the POST or UPDATE serializers instead!")
class VolumeSerializer(serializers.HyperlinkedModelSerializer):
description = serializers.CharField(required=False, allow_blank=True)
identity = ModelRelatedField(source="instance_source.created_by_identity",
lookup_field="uuid",
queryset=Identity.objects.all(),
serializer_class=IdentitySummarySerializer,
style={'base_template': 'input.html'})
provider = ModelRelatedField(source="instance_source.provider",
queryset=Provider.objects.all(),
serializer_class=ProviderSummarySerializer,
style={'base_template': 'input.html'},
required=False)
user = UserSummarySerializer(source='instance_source.created_by',
read_only=True)
projects = serializers.PrimaryKeyRelatedField(many=True, read_only=True)
snapshot_id = serializers.CharField(write_only=True,
allow_blank=True,
required=False)
image_id = serializers.CharField(write_only=True,
allow_blank=True,
required=False)
uuid = serializers.CharField(source='instance_source.identifier',
read_only=True)
# NOTE: this is still using ID instead of UUID -- due to abstract classes and use of getattr in L271 of rest_framework/relations.py, this is a 'kink' that has not been worked out yet.
url = InstanceSourceHyperlinkedIdentityField(
view_name='api:v2:volume-detail', )
class Meta:
model = Volume
read_only_fields = ("user", "uuid", "start_date", "end_date")
fields = ('id', 'uuid', 'name', 'description', 'identity', 'user',
'provider', 'projects', 'size', 'url', 'snapshot_id',
'image_id', 'start_date', 'end_date')
def validate(self, data):
image_id = data.get('image')
snapshot_id = data.get('snapshot')
#: Only allow one at a time
if snapshot_id and image_id:
raise serializers.ValidationError(
"Use either `snapshot_id` or `image_id` not both.")
return data
def create(self, validated_data):
name = validated_data.get('name')
size = validated_data.get('size')
identifier = validated_data.get("identifier")
description = validated_data.get('description')
user = validated_data.get("user")
start_date = validated_data.get("created_on")
instance_source = validated_data.get("instance_source")
identity = instance_source.get("created_by_identity")
provider = identity.provider
source = InstanceSource.objects.create(identifier=identifier,
provider=provider,
created_by=user,
created_by_identity=identity)
kwargs = {
"name": name,
"size": size,
"description": description,
"instance_source": source,
"start_date": start_date
}
return Volume.objects.create(**kwargs)