Newer
Older
# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import functools, logging, operator
from enum import Enum
from typing import Dict, List
from common.orm.fields.EnumeratedField import EnumeratedField
from common.orm.fields.ForeignKeyField import ForeignKeyField
from common.orm.fields.PrimaryKeyField import PrimaryKeyField
from common.orm.fields.StringField import StringField
from common.orm.model.Model import Model
from common.orm.HighLevel import get_related_objects
from common.proto.context_pb2 import SliceStatusEnum
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
from .ConstraintModel import ConstraintsModel
from .ContextModel import ContextModel
from .Tools import grpc_to_enum
LOGGER = logging.getLogger(__name__)
class ORM_SliceStatusEnum(Enum):
UNDEFINED = SliceStatusEnum.SLICESTATUS_UNDEFINED
PLANNED = SliceStatusEnum.SLICESTATUS_PLANNED
INIT = SliceStatusEnum.SLICESTATUS_INIT
ACTIVE = SliceStatusEnum.SLICESTATUS_ACTIVE
DEINIT = SliceStatusEnum.SLICESTATUS_DEINIT
grpc_to_enum__slice_status = functools.partial(
grpc_to_enum, SliceStatusEnum, ORM_SliceStatusEnum)
class SliceModel(Model):
pk = PrimaryKeyField()
context_fk = ForeignKeyField(ContextModel)
slice_uuid = StringField(required=True, allow_empty=False)
slice_constraints_fk = ForeignKeyField(ConstraintsModel)
slice_status = EnumeratedField(ORM_SliceStatusEnum, required=True)
def dump_id(self) -> Dict:
context_id = ContextModel(self.database, self.context_fk).dump_id()
return {
'context_id': context_id,
'slice_uuid': {'uuid': self.slice_uuid},
}
def dump_endpoint_ids(self) -> List[Dict]:
from .RelationModels import SliceEndPointModel # pylint: disable=import-outside-toplevel
db_endpoints = get_related_objects(self, SliceEndPointModel, 'endpoint_fk')
return [db_endpoint.dump_id() for db_endpoint in sorted(db_endpoints, key=operator.attrgetter('pk'))]
def dump_constraints(self) -> List[Dict]:
return ConstraintsModel(self.database, self.slice_constraints_fk).dump()
def dump_service_ids(self) -> List[Dict]:
from .RelationModels import SliceServiceModel # pylint: disable=import-outside-toplevel
db_services = get_related_objects(self, SliceServiceModel, 'service_fk')
return [db_service.dump_id() for db_service in sorted(db_services, key=operator.attrgetter('pk'))]
def dump_subslice_ids(self) -> List[Dict]:
from .RelationModels import SliceSubSliceModel # pylint: disable=import-outside-toplevel
db_subslices = get_related_objects(self, SliceSubSliceModel, 'sub_slice_fk')
return [db_subslice.dump_id() for db_subslice in sorted(db_subslices, key=operator.attrgetter('pk'))]
def dump( # pylint: disable=arguments-differ
self, include_endpoint_ids=True, include_constraints=True, include_service_ids=True,
include_subslice_ids=True
) -> Dict:
result = {
'slice_id': self.dump_id(),
'slice_status': {'slice_status': self.slice_status.value},
}
if include_endpoint_ids: result['slice_endpoint_ids'] = self.dump_endpoint_ids()
if include_constraints: result['slice_constraints'] = self.dump_constraints()
if include_service_ids: result['slice_service_ids'] = self.dump_service_ids()
if include_subslice_ids: result['slice_subslice_ids'] = self.dump_subslice_ids()
return result