189 lines
5.4 KiB
Python
189 lines
5.4 KiB
Python
# Copyright (c) 2015 Ericsson AB
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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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"""
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SQLAlchemy models for kingbird data.
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"""
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from oslo_db.sqlalchemy import models
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from sqlalchemy.orm import session as orm_session
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from sqlalchemy import (Column, Integer, String, Boolean, schema)
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import ForeignKey
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from sqlalchemy.orm import relationship
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from kingbird.common import consts
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BASE = declarative_base()
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def get_session():
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from kingbird.db.sqlalchemy import api as db_api
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return db_api.get_session()
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class KingbirdBase(models.ModelBase,
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models.SoftDeleteMixin,
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models.TimestampMixin):
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"""Base class for Kingbird Models."""
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__table_args__ = {'mysql_engine': 'InnoDB'}
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def expire(self, session=None, attrs=None):
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if not session:
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session = orm_session.Session.object_session(self)
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if not session:
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session = get_session()
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session.expire(self, attrs)
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def refresh(self, session=None, attrs=None):
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"""Refresh this object."""
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if not session:
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session = orm_session.Session.object_session(self)
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if not session:
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session = get_session()
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session.refresh(self, attrs)
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def delete(self, session=None):
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"""Delete this object."""
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if not session:
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session = orm_session.Session.object_session(self)
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if not session:
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session = get_session()
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session.begin()
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session.delete(self)
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session.commit()
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class Quota(BASE, KingbirdBase):
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"""Represents a single quota override for a project.
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If there is no row for a given project id and resource, then the
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default for the quota class is used. If there is no row for a
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given quota class and resource, then the default for the
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deployment is used. If the row is present but the hard limit is
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Null, then the resource is unlimited.
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"""
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__tablename__ = 'quotas'
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__table_args__ = (
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schema.UniqueConstraint("project_id", "resource", "deleted",
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name="uniq_quotas0project_id0resource0deleted"
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),)
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id = Column(Integer, primary_key=True)
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project_id = Column(String(255), index=True)
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resource = Column(String(255), nullable=False)
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hard_limit = Column(Integer, nullable=True)
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class QuotaClass(BASE, KingbirdBase):
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"""Represents a single quota override for a quota class.
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If there is no row for a given quota class and resource, then the
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default for the deployment is used. If the row is present but the
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hard limit is Null, then the resource is unlimited.
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"""
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__tablename__ = "quota_classes"
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id = Column(Integer, primary_key=True)
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class_name = Column(String(255), index=True)
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resource = Column(String(255))
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hard_limit = Column(Integer, nullable=True)
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class SyncLock(BASE, KingbirdBase):
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"""Store locks to avoid overlapping of projects
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syncing during automatic periodic sync jobs with
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multiple-engines.
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"""
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__tablename__ = 'sync_lock'
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id = Column(Integer, primary_key=True)
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engine_id = Column(String(36), nullable=False)
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timer_lock = Column(String(255), nullable=False)
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task_type = Column(String(36), nullable=False)
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class Service(BASE, KingbirdBase):
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""""Kingbird service engine registry"""
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__tablename__ = 'service'
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id = Column('id', String(36), primary_key=True, nullable=False)
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host = Column(String(255))
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binary = Column(String(255))
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topic = Column(String(255))
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disabled = Column(Boolean, default=False)
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disabled_reason = Column(String(255))
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class SyncJob(BASE, KingbirdBase):
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"""Kingbird Sync Job registry"""
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__tablename__ = 'sync_job'
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job_id = Column('job_id', String(36), primary_key=True)
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sync_status = Column(String(36), default=consts.JOB_PROGRESS,
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nullable=False)
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job_relation = relationship('ResourceSync', backref='sync_job')
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user_id = Column('user_id', String(36), nullable=False)
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project_id = Column('project_id', String(36), nullable=False)
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class ResourceSync(BASE, KingbirdBase):
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"""ResourceSync_registry"""
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__tablename__ = 'resource_sync'
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job_id = Column('job_id', String(36),
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ForeignKey('sync_job.job_id'), primary_key=True)
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resource_sync_id = Column('resource_sync_id', String(36), primary_key=True)
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source_region = Column('source_region', String(36), primary_key=True)
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target_region = Column('target_region', String(36), primary_key=True)
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resource = Column('resource', String(255), primary_key=True)
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resource_type = Column('resource_type', String(36), nullable=False)
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sync_status = Column(String(36), default=consts.JOB_PROGRESS,
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nullable=False)
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