# 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 enum, json from sqlalchemy import Column, INTEGER, CheckConstraint, Enum, ForeignKeyConstraint, String, UniqueConstraint, text from sqlalchemy.dialects.postgresql import UUID from sqlalchemy.orm import relationship from typing import Dict from .enums.ConfigAction import ORM_ConfigActionEnum from ._Base import _Base # Enum values should match name of field in ConfigRuleModel class ConfigRuleKindEnum(enum.Enum): CUSTOM = 'custom' ACL = 'acl' class ConfigRuleModel(_Base): __tablename__ = 'config_rule' config_rule_uuid = Column(UUID(as_uuid=False), primary_key=True, server_default=text('uuid_generate_v4()')) device_uuid = Column(UUID(as_uuid=False)) # for device config rules context_uuid = Column(UUID(as_uuid=False)) # for service/slice config rules service_uuid = Column(UUID(as_uuid=False)) # for service config rules #slice_uuid = Column(UUID(as_uuid=False)) # for slice config rules kind = Column(Enum(ConfigRuleKindEnum)) action = Column(Enum(ORM_ConfigActionEnum)) position = Column(INTEGER, nullable=False) data = Column(String, nullable=False) __table_args__ = ( CheckConstraint(position >= 0, name='check_position_value'), UniqueConstraint('device_uuid', 'position', name='unique_per_device'), UniqueConstraint('context_uuid', 'service_uuid', 'position', name='unique_per_service'), #UniqueConstraint('context_uuid', 'slice_uuid', 'position', name='unique_per_slice'), ForeignKeyConstraint( ['device_uuid'], ['device.device_uuid'], ondelete='CASCADE'), ForeignKeyConstraint( ['context_uuid', 'service_uuid'], ['service.context_uuid', 'service.service_uuid'], ondelete='CASCADE'), #ForeignKeyConstraint( # ['context_uuid', 'slice_uuid'], # ['slice.context_uuid', 'slice.slice_uuid'], # ondelete='CASCADE'), ) device = relationship('DeviceModel', back_populates='config_rules') service = relationship('ServiceModel', back_populates='config_rules') #slice = relationship('SliceModel', back_populates='config_rules') def dump(self) -> Dict: return {self.kind.value: json.loads(self.data)}