259 lines
8.8 KiB
Python
259 lines
8.8 KiB
Python
# Copyright 2017 Huawei Technologies Co.,LTD.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""SQLAlchemy models for accelerator service."""
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from oslo_db import options as db_options
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from oslo_db.sqlalchemy import models
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from oslo_utils import timeutils
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import six.moves.urllib.parse as urlparse
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import Column, String, Integer, Boolean, Enum, ForeignKey, \
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Index
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from sqlalchemy import Text
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from sqlalchemy import schema
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from sqlalchemy import DateTime
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from sqlalchemy import orm
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from cyborg.common import paths
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from cyborg.conf import CONF
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_DEFAULT_SQL_CONNECTION = 'sqlite:///' + paths.state_path_def('cyborg.sqlite')
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db_options.set_defaults(CONF, connection=_DEFAULT_SQL_CONNECTION)
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def table_args():
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engine_name = urlparse.urlparse(CONF.database.connection).scheme
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if engine_name == 'mysql':
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return {'mysql_engine': CONF.database.mysql_engine,
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'mysql_charset': "utf8"}
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return None
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class CyborgBase(models.TimestampMixin, models.ModelBase):
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metadata = None
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def as_dict(self):
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d = {}
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for c in self.__table__.columns:
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d[c.name] = self[c.name]
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return d
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@staticmethod
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def delete_values():
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return {'deleted': True,
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'deleted_at': timeutils.utcnow()}
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def delete(self, session):
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"""Delete this object."""
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updated_values = self.delete_values()
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self.update(updated_values)
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self.save(session=session)
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return updated_values
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Base = declarative_base(cls=CyborgBase)
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class Device(Base):
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"""Represents the devices."""
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__tablename__ = 'devices'
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id = Column(Integer, primary_key=True)
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uuid = Column(String(36), nullable=False, unique=True)
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type = Column(Enum('GPU', 'FPGA', name='device_type'), nullable=False)
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vendor = Column(String(255), nullable=False)
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model = Column(String(255), nullable=False)
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std_board_info = Column(Text, nullable=True)
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vendor_board_info = Column(Text, nullable=True)
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hostname = Column(String(255), nullable=False)
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class Deployable(Base):
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"""Represents the deployables."""
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__tablename__ = 'deployables'
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__table_args__ = (
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schema.UniqueConstraint('uuid', 'name',
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name='uniq_deployables0uuid0name'),
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Index('deployables_parent_id_idx', 'parent_id'),
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Index('deployables_root_id_idx', 'root_id'),
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Index('deployables_device_id_idx', 'device_id'),
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table_args()
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)
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id = Column(Integer, primary_key=True)
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uuid = Column(String(36), nullable=False)
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parent_id = Column(Integer, ForeignKey('deployables.id'), nullable=True)
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root_id = Column(Integer, ForeignKey('deployables.id'), nullable=True)
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name = Column(String(255), nullable=False)
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num_accelerators = Column(Integer, nullable=False)
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device_id = Column(Integer, ForeignKey('devices.id', ondelete="RESTRICT"),
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nullable=False)
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class Attribute(Base):
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__tablename__ = 'attributes'
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id = Column(Integer, primary_key=True)
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uuid = Column(String(36), nullable=False, unique=True)
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deployable_id = Column(Integer,
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ForeignKey('deployables.id', ondelete="RESTRICT"),
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nullable=False, index=True)
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key = Column(Text, nullable=False)
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value = Column(Text, nullable=False)
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class ControlpathID(Base):
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"""Identifier for the Device when driver reporting to agent, IDs is
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needed especially when multiple PFs exist in one Devices."""
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__tablename__ = 'controlpath_ids'
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id = Column(Integer, primary_key=True)
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device_id = Column(Integer,
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ForeignKey('devices.id', ondelete="RESTRICT"),
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nullable=False, index=True)
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cpid_type = Column(Enum('PCI', name='cpid_type'), nullable=False)
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cpid_info = Column(String(255), nullable=False)
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class AttachHandle(Base):
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"""Represents device's VFs and PFs which can be attached to a VM."""
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__tablename__ = 'attach_handles'
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__table_args__ = (
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Index('attach_handles_cpid_id_idx', 'cpid_id'),
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Index('attach_handles_deployable_id_idx', 'deployable_id'),
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table_args()
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)
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id = Column(Integer, primary_key=True)
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deployable_id = Column(Integer,
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ForeignKey('deployables.id', ondelete="RESTRICT"),
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nullable=False)
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cpid_id = Column(Integer,
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ForeignKey('controlpath_ids.id', ondelete="RESTRICT"),
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nullable=False)
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in_use = Column(Boolean, default=False)
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attach_type = Column(Enum('PCI', 'MDEV', name='attach_type'),
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nullable=False)
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attach_info = Column(String(255), nullable=False)
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class DeviceProfile(Base):
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"""Represents users' specific requirements."""
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__tablename__ = 'device_profiles'
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__table_args__ = (
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schema.UniqueConstraint('uuid', 'name',
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name='uniq_device_profiles0uuid0name'),
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table_args()
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)
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id = Column(Integer, primary_key=True)
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uuid = Column(String(36), nullable=False)
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name = Column(String(255), nullable=False)
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profile_json = Column(Text, nullable=False)
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class ExtendedAcceleratorRequest(Base):
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"""Represents extended nova requests for attach related operations."""
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__tablename__ = 'extended_accelerator_requests'
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__table_args__ = (
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Index('extArqs_project_id_idx', 'project_id'),
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Index('extArqs_device_profile_id_idx', 'device_profile_id'),
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Index('extArqs_device_rp_uuid_idx', 'device_rp_uuid'),
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Index('extArqs_device_instance_uuid_idx', 'device_instance_uuid'),
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Index('extArqs_attach_handle_id_idx', 'attach_handle_id'),
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Index('extArqs_deployable_id_idx', 'deployable_id'),
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table_args()
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)
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id = Column(Integer, primary_key=True)
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uuid = Column(String(36), nullable=False, unique=True)
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project_id = Column(String(255), nullable=False)
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state = Column(Enum('Initial', 'Bound', 'BindFailed', name='state'),
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nullable=False)
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device_profile_id = Column(Integer, ForeignKey('device_profiles.id',
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ondelete="RESTRICT"),
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nullable=False)
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hostname = Column(String(255), nullable=True)
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device_rp_uuid = Column(String(36), nullable=True)
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device_instance_uuid = Column(String(36), nullable=True)
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attach_handle_id = Column(Integer, ForeignKey('attach_handles.id',
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ondelete="RESTRICT"),
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nullable=True)
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# Cyborg Private Fields
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substate = Column(Enum('Initial', name='substate'), nullable=False,
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default='Initial')
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deployable_id = Column(Integer,
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ForeignKey('deployables.id', ondelete="RESTRICT"),
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nullable=True)
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class QuotaUsage(Base):
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"""Represents the current usage for a given resource."""
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__tablename__ = 'quota_usages'
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__table_args__ = (
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Index('ix_quota_usages_project_id', 'project_id'),
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Index('ix_quota_usages_user_id', 'user_id'),
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)
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id = Column(Integer, primary_key=True)
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project_id = Column(String(255))
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user_id = Column(String(255))
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resource = Column(String(255), nullable=False)
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in_use = Column(Integer, nullable=False)
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reserved = Column(Integer, nullable=False)
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@property
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def total(self):
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return self.in_use + self.reserved
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until_refresh = Column(Integer)
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class Reservation(Base):
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"""Represents a resource reservation for quotas."""
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__tablename__ = 'reservations'
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__table_args__ = (
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Index('ix_reservations_project_id', 'project_id'),
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Index('reservations_uuid_idx', 'uuid'),
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Index('ix_reservations_user_id', 'user_id'),
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)
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id = Column(Integer, primary_key=True, nullable=False)
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uuid = Column(String(36), nullable=False)
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usage_id = Column(Integer, ForeignKey('quota_usages.id'), nullable=False)
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project_id = Column(String(255))
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user_id = Column(String(255))
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resource = Column(String(255))
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delta = Column(Integer, nullable=False)
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expire = Column(DateTime)
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usage = orm.relationship(
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"QuotaUsage",
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foreign_keys=usage_id,
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primaryjoin=usage_id == QuotaUsage.id)
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