cinder/cinder/db/sqlalchemy/migrate_repo/versions/008_add_instance_types.py

86 lines
3.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Ken Pepple
# 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 sqlalchemy import Boolean, Column, DateTime, Integer
from sqlalchemy import MetaData, String, Table
from cinder import log as logging
LOG = logging.getLogger(__name__)
def upgrade(migrate_engine):
# Upgrade operations go here
# Don't create your own engine; bind migrate_engine
# to your metadata
meta = MetaData()
meta.bind = migrate_engine
#
# New Tables
#
instance_types = Table('instance_types', meta,
Column('created_at', DateTime(timezone=False)),
Column('updated_at', DateTime(timezone=False)),
Column('deleted_at', DateTime(timezone=False)),
Column('deleted', Boolean(create_constraint=True, name=None)),
Column('name',
String(length=255, convert_unicode=False,
assert_unicode=None,
unicode_error=None, _warn_on_bytestring=False),
unique=True),
Column('id', Integer(), primary_key=True, nullable=False),
Column('memory_mb', Integer(), nullable=False),
Column('vcpus', Integer(), nullable=False),
Column('local_gb', Integer(), nullable=False),
Column('flavorid', Integer(), nullable=False, unique=True),
Column('swap', Integer(), nullable=False, default=0),
Column('rxtx_quota', Integer(), nullable=False, default=0),
Column('rxtx_cap', Integer(), nullable=False, default=0))
try:
instance_types.create()
except Exception:
LOG.info(repr(instance_types))
LOG.exception('Exception while creating instance_types table')
raise
# Here are the old static instance types
INSTANCE_TYPES = {
'm1.tiny': dict(memory_mb=512, vcpus=1, local_gb=0, flavorid=1),
'm1.small': dict(memory_mb=2048, vcpus=1, local_gb=20, flavorid=2),
'm1.medium': dict(memory_mb=4096, vcpus=2, local_gb=40, flavorid=3),
'm1.large': dict(memory_mb=8192, vcpus=4, local_gb=80, flavorid=4),
'm1.xlarge': dict(memory_mb=16384, vcpus=8, local_gb=160, flavorid=5)}
try:
i = instance_types.insert()
for name, values in INSTANCE_TYPES.iteritems():
# FIXME(kpepple) should we be seeding created_at / updated_at ?
# now = datetime.datatime.utcnow()
i.execute({'name': name, 'memory_mb': values["memory_mb"],
'vcpus': values["vcpus"], 'deleted': False,
'local_gb': values["local_gb"],
'flavorid': values["flavorid"]})
except Exception:
LOG.info(repr(instance_types))
LOG.exception('Exception while seeding instance_types table')
raise
def downgrade(migrate_engine):
# Operations to reverse the above upgrade go here.
meta = MetaData()
meta.bind = migrate_engine
instance_types = Table('instance_types', meta, autoload=True)
for table in (instance_types, ):
table.drop()