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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# Copyright 2014 IBM Corp.
# All Rights Reserved.
#
# 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.
from oslo_db.sqlalchemy import models
from oslo_utils import timeutils
from sqlalchemy import Column, Integer, String, Text, TIMESTAMP
from sqlalchemy import BLOB
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import ForeignKey, DateTime, Boolean
from sqlalchemy.orm import relationship
BASE = declarative_base()
class FreezerBase(models.TimestampMixin,
models.ModelBase):
"""Base class for Freezer Models."""
__table_args__ = {'mysql_engine': 'InnoDB'}
deleted_at = Column(DateTime)
deleted = Column(Boolean, default=False)
backup_metadata = None
@staticmethod
def delete_values():
return {'deleted': True,
'deleted_at': timeutils.utcnow()}
def delete(self, session):
"""Delete this object."""
updated_values = self.delete_values()
self.update(updated_values)
self.save(session=session)
return updated_values
class Client(BASE, FreezerBase):
"""Represents a scheduler of the freezer action."""
__tablename__ = 'clients'
id = Column(String(255), primary_key=True)
project_id = Column(String(36))
user_id = Column(String(64), nullable=False)
client_id = Column(String(255), nullable=False)
hostname = Column(String(128))
description = Column(String(255))
uuid = Column(String(36), nullable=False)
class Action(BASE, FreezerBase):
"""Represents freezer action."""
# The field backup_metadata is json, including :
# hostname ,snapshot ,storage ,dry_run , lvm_auto_snap, lvm_dirmount,
# lvm_snapname max_level , max_priority, max_segment_size , mode,
# mysql_conf, path_to_backup, remove_older_than restore_abs_path
# restore_from_host, ssh_host , ssh_key , ssh_username, ssh_port , proxy
# no_incremental, overwrite , nova_inst_id , engine_name
# restore_from_date , command , incremental
__tablename__ = 'actions'
id = Column(String(36), primary_key=True)
action = Column(String(255), nullable=False)
project_id = Column(String(36))
user_id = Column(String(64), nullable=False)
actionmode = Column(String(255))
path_to_backup = Column(String(255))
backup_name = Column(String(255))
container = Column(String(255))
timeout = Column(Integer)
priority = Column(Integer)
max_retries_interval = Column(Integer, default=6)
max_retries = Column(Integer, default=5)
mandatory = Column(Boolean, default=False)
log_file = Column(String(255))
backup_metadata = Column(Text)
class Session(BASE, FreezerBase):
"""Represents freezer session."""
__tablename__ = 'sessions'
id = Column(String(36), primary_key=True)
session_tag = Column(Integer, default=0)
description = Column(String(255))
hold_off = Column(Integer, default=30)
schedule = Column(Text)
job = Column(Text)
project_id = Column(String(36))
user_id = Column(String(36), nullable=False)
time_start = Column(Integer, default=-1)
time_end = Column(Integer, default=-1)
time_started = Column(Integer, default=-1)
time_ended = Column(Integer, default=-1)
status = Column(String(255))
result = Column(String(255))
class Job(BASE, FreezerBase):
"""Represents freezer job."""
__tablename__ = 'jobs'
id = Column(String(36), primary_key=True)
project_id = Column(String(36))
user_id = Column(String(36), nullable=False)
schedule = Column(Text)
client_id = Column(String(255), ForeignKey('clients.id'), nullable=False)
session_id = Column(String(36), ForeignKey('sessions.id'), nullable=False)
session_tag = Column(Integer, default=0)
description = Column(String(255))
job_actions = Column(Text)
client = relationship(Client, backref='jobs',
foreign_keys=client_id,
primaryjoin='and_('
'Job.client_id == Client.id,'
'Job.deleted == False)')
session = relationship(Session, backref='jobs',
foreign_keys=session_id,
primaryjoin='and_('
'Job.session_id == Session.id,'
'Job.deleted == False)')
class ActionReport(BASE, FreezerBase):
__tablename__ = 'action_reports'
id = Column(String(36), primary_key=True)
project_id = Column(String(36))
user_id = Column(String(64), nullable=False)
result = Column(String(255))
time_elapsed = Column(String(255))
report_date = Column(TIMESTAMP)
log = Column(BLOB)
class Backup(BASE, FreezerBase):
"""Represents freezer Backup."""
# The field backup_metadata is json, including :
# nova_inst_id, engine_name, storage, remove_older_than, restore_from_date,
# command, incremental, restore_abs_path, etc
__tablename__ = 'backups'
id = Column(String(36), primary_key=True)
job_id = Column(String(36))
project_id = Column(String(36))
user_id = Column(String(64), nullable=False)
user_name = Column(String(64), nullable=False)
backup_metadata = Column(Text)
def register_models(engine):
_models = (Client, Action, Job, Session,
ActionReport, Backup)
for _model in _models:
_model.metadata.create_all(engine)
def unregister_models(engine):
_models = (Client, Action, Job, Session,
ActionReport, Backup)
for _model in _models:
_model.metadata.drop_all(engine)
def get_tables(engine):
from sqlalchemy import MetaData
_meta = MetaData()
_meta.reflect(engine)
return _meta.tables.keys()
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