792 lines
28 KiB
Python
792 lines
28 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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 nova data.
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"""
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from sqlalchemy.orm import relationship, backref, object_mapper
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from sqlalchemy import Column, Integer, String, schema
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from sqlalchemy import ForeignKey, DateTime, Boolean, Text, Float
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.schema import ForeignKeyConstraint
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from nova.db.sqlalchemy.session import get_session
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from nova import auth
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from nova import exception
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from nova import flags
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from nova import utils
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FLAGS = flags.FLAGS
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BASE = declarative_base()
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class NovaBase(object):
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"""Base class for Nova Models."""
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__table_args__ = {'mysql_engine': 'InnoDB'}
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__table_initialized__ = False
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created_at = Column(DateTime, default=utils.utcnow)
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updated_at = Column(DateTime, onupdate=utils.utcnow)
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deleted_at = Column(DateTime)
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deleted = Column(Boolean, default=False)
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metadata = None
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def save(self, session=None):
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"""Save this object."""
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if not session:
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session = get_session()
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session.add(self)
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try:
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session.flush()
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except IntegrityError, e:
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if str(e).endswith('is not unique'):
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raise exception.Duplicate(str(e))
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else:
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raise
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def delete(self, session=None):
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"""Delete this object."""
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self.deleted = True
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self.deleted_at = utils.utcnow()
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self.save(session=session)
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def __setitem__(self, key, value):
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setattr(self, key, value)
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def __getitem__(self, key):
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return getattr(self, key)
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def get(self, key, default=None):
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return getattr(self, key, default)
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def __iter__(self):
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self._i = iter(object_mapper(self).columns)
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return self
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def next(self):
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n = self._i.next().name
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return n, getattr(self, n)
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def update(self, values):
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"""Make the model object behave like a dict"""
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for k, v in values.iteritems():
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setattr(self, k, v)
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def iteritems(self):
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"""Make the model object behave like a dict.
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Includes attributes from joins."""
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local = dict(self)
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joined = dict([(k, v) for k, v in self.__dict__.iteritems()
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if not k[0] == '_'])
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local.update(joined)
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return local.iteritems()
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class Service(BASE, NovaBase):
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"""Represents a running service on a host."""
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__tablename__ = 'services'
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id = Column(Integer, primary_key=True)
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host = Column(String(255)) # , ForeignKey('hosts.id'))
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binary = Column(String(255))
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topic = Column(String(255))
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report_count = Column(Integer, nullable=False, default=0)
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disabled = Column(Boolean, default=False)
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availability_zone = Column(String(255), default='nova')
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class ComputeNode(BASE, NovaBase):
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"""Represents a running compute service on a host."""
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__tablename__ = 'compute_nodes'
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id = Column(Integer, primary_key=True)
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service_id = Column(Integer, ForeignKey('services.id'), nullable=True)
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service = relationship(Service,
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backref=backref('compute_node'),
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foreign_keys=service_id,
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primaryjoin='and_('
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'ComputeNode.service_id == Service.id,'
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'ComputeNode.deleted == False)')
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vcpus = Column(Integer, nullable=True)
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memory_mb = Column(Integer, nullable=True)
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local_gb = Column(Integer, nullable=True)
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vcpus_used = Column(Integer, nullable=True)
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memory_mb_used = Column(Integer, nullable=True)
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local_gb_used = Column(Integer, nullable=True)
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hypervisor_type = Column(Text, nullable=True)
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hypervisor_version = Column(Integer, nullable=True)
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# Note(masumotok): Expected Strings example:
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#
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# '{"arch":"x86_64",
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# "model":"Nehalem",
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# "topology":{"sockets":1, "threads":2, "cores":3},
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# "features":["tdtscp", "xtpr"]}'
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#
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# Points are "json translatable" and it must have all dictionary keys
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# above, since it is copied from <cpu> tag of getCapabilities()
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# (See libvirt.virtConnection).
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cpu_info = Column(Text, nullable=True)
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class Certificate(BASE, NovaBase):
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"""Represents a an x509 certificate"""
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__tablename__ = 'certificates'
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id = Column(Integer, primary_key=True)
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user_id = Column(String(255))
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project_id = Column(String(255))
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file_name = Column(String(255))
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class Instance(BASE, NovaBase):
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"""Represents a guest vm."""
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__tablename__ = 'instances'
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injected_files = []
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id = Column(Integer, primary_key=True, autoincrement=True)
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@property
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def name(self):
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base_name = FLAGS.instance_name_template % self.id
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if getattr(self, '_rescue', False):
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base_name += "-rescue"
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return base_name
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admin_pass = Column(String(255))
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user_id = Column(String(255))
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project_id = Column(String(255))
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@property
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def user(self):
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return auth.manager.AuthManager().get_user(self.user_id)
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@property
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def project(self):
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return auth.manager.AuthManager().get_project(self.project_id)
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image_ref = Column(String(255))
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kernel_id = Column(String(255))
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ramdisk_id = Column(String(255))
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# image_ref = Column(Integer, ForeignKey('images.id'), nullable=True)
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# kernel_id = Column(Integer, ForeignKey('images.id'), nullable=True)
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# ramdisk_id = Column(Integer, ForeignKey('images.id'), nullable=True)
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# ramdisk = relationship(Ramdisk, backref=backref('instances', order_by=id))
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# kernel = relationship(Kernel, backref=backref('instances', order_by=id))
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# project = relationship(Project, backref=backref('instances', order_by=id))
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launch_index = Column(Integer)
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key_name = Column(String(255))
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key_data = Column(Text)
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state = Column(Integer)
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state_description = Column(String(255))
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memory_mb = Column(Integer)
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vcpus = Column(Integer)
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local_gb = Column(Integer)
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hostname = Column(String(255))
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host = Column(String(255)) # , ForeignKey('hosts.id'))
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# aka flavor_id
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instance_type_id = Column(Integer)
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user_data = Column(Text)
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reservation_id = Column(String(255))
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scheduled_at = Column(DateTime)
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launched_at = Column(DateTime)
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terminated_at = Column(DateTime)
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availability_zone = Column(String(255))
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# User editable field for display in user-facing UIs
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display_name = Column(String(255))
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display_description = Column(String(255))
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# To remember on which host a instance booted.
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# An instance may have moved to another host by live migraiton.
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launched_on = Column(Text)
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locked = Column(Boolean)
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os_type = Column(String(255))
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architecture = Column(String(255))
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vm_mode = Column(String(255))
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uuid = Column(String(36))
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# TODO(vish): see Ewan's email about state improvements, probably
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# should be in a driver base class or some such
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# vmstate_state = running, halted, suspended, paused
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# power_state = what we have
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# task_state = transitory and may trigger power state transition
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#@validates('state')
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#def validate_state(self, key, state):
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# assert(state in ['nostate', 'running', 'blocked', 'paused',
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# 'shutdown', 'shutoff', 'crashed'])
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class InstanceActions(BASE, NovaBase):
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"""Represents a guest VM's actions and results"""
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__tablename__ = "instance_actions"
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id = Column(Integer, primary_key=True)
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instance_id = Column(Integer, ForeignKey('instances.id'))
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action = Column(String(255))
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error = Column(Text)
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class InstanceTypes(BASE, NovaBase):
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"""Represent possible instance_types or flavor of VM offered"""
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__tablename__ = "instance_types"
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id = Column(Integer, primary_key=True)
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name = Column(String(255), unique=True)
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memory_mb = Column(Integer)
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vcpus = Column(Integer)
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local_gb = Column(Integer)
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flavorid = Column(Integer, unique=True)
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swap = Column(Integer, nullable=False, default=0)
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rxtx_quota = Column(Integer, nullable=False, default=0)
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rxtx_cap = Column(Integer, nullable=False, default=0)
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instances = relationship(Instance,
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backref=backref('instance_type', uselist=False),
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foreign_keys=id,
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primaryjoin='and_(Instance.instance_type_id == '
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'InstanceTypes.id)')
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class Volume(BASE, NovaBase):
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"""Represents a block storage device that can be attached to a vm."""
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__tablename__ = 'volumes'
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id = Column(Integer, primary_key=True, autoincrement=True)
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@property
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def name(self):
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return FLAGS.volume_name_template % self.id
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user_id = Column(String(255))
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project_id = Column(String(255))
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snapshot_id = Column(String(255))
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host = Column(String(255)) # , ForeignKey('hosts.id'))
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size = Column(Integer)
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availability_zone = Column(String(255)) # TODO(vish): foreign key?
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instance_id = Column(Integer, ForeignKey('instances.id'), nullable=True)
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instance = relationship(Instance,
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backref=backref('volumes'),
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foreign_keys=instance_id,
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primaryjoin='and_(Volume.instance_id==Instance.id,'
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'Volume.deleted==False)')
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mountpoint = Column(String(255))
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attach_time = Column(String(255)) # TODO(vish): datetime
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status = Column(String(255)) # TODO(vish): enum?
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attach_status = Column(String(255)) # TODO(vish): enum
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scheduled_at = Column(DateTime)
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launched_at = Column(DateTime)
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terminated_at = Column(DateTime)
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display_name = Column(String(255))
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display_description = Column(String(255))
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provider_location = Column(String(255))
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provider_auth = Column(String(255))
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class Quota(BASE, NovaBase):
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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
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the default for the deployment is used. If the row is present
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but the hard limit is Null, then the resource is unlimited.
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"""
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__tablename__ = 'quotas'
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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))
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hard_limit = Column(Integer, nullable=True)
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class Snapshot(BASE, NovaBase):
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"""Represents a block storage device that can be attached to a vm."""
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__tablename__ = 'snapshots'
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id = Column(Integer, primary_key=True, autoincrement=True)
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@property
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def name(self):
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return FLAGS.snapshot_name_template % self.id
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@property
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def volume_name(self):
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return FLAGS.volume_name_template % self.volume_id
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user_id = Column(String(255))
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project_id = Column(String(255))
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volume_id = Column(Integer)
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status = Column(String(255))
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progress = Column(String(255))
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volume_size = Column(Integer)
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display_name = Column(String(255))
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display_description = Column(String(255))
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class BlockDeviceMapping(BASE, NovaBase):
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"""Represents block device mapping that is defined by EC2"""
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__tablename__ = "block_device_mapping"
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id = Column(Integer, primary_key=True, autoincrement=True)
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instance_id = Column(Integer, ForeignKey('instances.id'), nullable=False)
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instance = relationship(Instance,
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backref=backref('balock_device_mapping'),
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foreign_keys=instance_id,
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primaryjoin='and_(BlockDeviceMapping.instance_id=='
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'Instance.id,'
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'BlockDeviceMapping.deleted=='
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'False)')
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device_name = Column(String(255), nullable=False)
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# default=False for compatibility of the existing code.
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# With EC2 API,
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# default True for ami specified device.
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# default False for created with other timing.
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delete_on_termination = Column(Boolean, default=False)
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# for ephemeral device
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virtual_name = Column(String(255), nullable=True)
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# for snapshot or volume
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snapshot_id = Column(Integer, ForeignKey('snapshots.id'), nullable=True)
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# outer join
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snapshot = relationship(Snapshot,
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foreign_keys=snapshot_id)
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volume_id = Column(Integer, ForeignKey('volumes.id'), nullable=True)
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volume = relationship(Volume,
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foreign_keys=volume_id)
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volume_size = Column(Integer, nullable=True)
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# for no device to suppress devices.
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no_device = Column(Boolean, nullable=True)
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class ExportDevice(BASE, NovaBase):
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"""Represates a shelf and blade that a volume can be exported on."""
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__tablename__ = 'export_devices'
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__table_args__ = (schema.UniqueConstraint("shelf_id", "blade_id"),
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{'mysql_engine': 'InnoDB'})
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id = Column(Integer, primary_key=True)
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shelf_id = Column(Integer)
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blade_id = Column(Integer)
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volume_id = Column(Integer, ForeignKey('volumes.id'), nullable=True)
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volume = relationship(Volume,
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backref=backref('export_device', uselist=False),
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foreign_keys=volume_id,
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primaryjoin='and_(ExportDevice.volume_id==Volume.id,'
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'ExportDevice.deleted==False)')
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class IscsiTarget(BASE, NovaBase):
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"""Represates an iscsi target for a given host"""
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__tablename__ = 'iscsi_targets'
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__table_args__ = (schema.UniqueConstraint("target_num", "host"),
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{'mysql_engine': 'InnoDB'})
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id = Column(Integer, primary_key=True)
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target_num = Column(Integer)
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host = Column(String(255))
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volume_id = Column(Integer, ForeignKey('volumes.id'), nullable=True)
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volume = relationship(Volume,
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backref=backref('iscsi_target', uselist=False),
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foreign_keys=volume_id,
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primaryjoin='and_(IscsiTarget.volume_id==Volume.id,'
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'IscsiTarget.deleted==False)')
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class SecurityGroupInstanceAssociation(BASE, NovaBase):
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__tablename__ = 'security_group_instance_association'
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id = Column(Integer, primary_key=True)
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security_group_id = Column(Integer, ForeignKey('security_groups.id'))
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instance_id = Column(Integer, ForeignKey('instances.id'))
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class SecurityGroup(BASE, NovaBase):
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"""Represents a security group."""
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__tablename__ = 'security_groups'
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id = Column(Integer, primary_key=True)
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name = Column(String(255))
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description = Column(String(255))
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user_id = Column(String(255))
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project_id = Column(String(255))
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instances = relationship(Instance,
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secondary="security_group_instance_association",
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primaryjoin='and_('
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'SecurityGroup.id == '
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'SecurityGroupInstanceAssociation.security_group_id,'
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'SecurityGroupInstanceAssociation.deleted == False,'
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'SecurityGroup.deleted == False)',
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secondaryjoin='and_('
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'SecurityGroupInstanceAssociation.instance_id == Instance.id,'
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# (anthony) the condition below shouldn't be necessary now that the
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# association is being marked as deleted. However, removing this
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# may cause existing deployments to choke, so I'm leaving it
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'Instance.deleted == False)',
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backref='security_groups')
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@property
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def user(self):
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return auth.manager.AuthManager().get_user(self.user_id)
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@property
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def project(self):
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return auth.manager.AuthManager().get_project(self.project_id)
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class SecurityGroupIngressRule(BASE, NovaBase):
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"""Represents a rule in a security group."""
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__tablename__ = 'security_group_rules'
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id = Column(Integer, primary_key=True)
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parent_group_id = Column(Integer, ForeignKey('security_groups.id'))
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parent_group = relationship("SecurityGroup", backref="rules",
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foreign_keys=parent_group_id,
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primaryjoin='and_('
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'SecurityGroupIngressRule.parent_group_id == SecurityGroup.id,'
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'SecurityGroupIngressRule.deleted == False)')
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protocol = Column(String(5)) # "tcp", "udp", or "icmp"
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from_port = Column(Integer)
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to_port = Column(Integer)
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cidr = Column(String(255))
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# Note: This is not the parent SecurityGroup. It's SecurityGroup we're
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# granting access for.
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group_id = Column(Integer, ForeignKey('security_groups.id'))
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class ProviderFirewallRule(BASE, NovaBase):
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"""Represents a rule in a security group."""
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__tablename__ = 'provider_fw_rules'
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id = Column(Integer, primary_key=True)
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protocol = Column(String(5)) # "tcp", "udp", or "icmp"
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from_port = Column(Integer)
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to_port = Column(Integer)
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cidr = Column(String(255))
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class KeyPair(BASE, NovaBase):
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"""Represents a public key pair for ssh."""
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__tablename__ = 'key_pairs'
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id = Column(Integer, primary_key=True)
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name = Column(String(255))
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user_id = Column(String(255))
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fingerprint = Column(String(255))
|
|
public_key = Column(Text)
|
|
|
|
|
|
class Migration(BASE, NovaBase):
|
|
"""Represents a running host-to-host migration."""
|
|
__tablename__ = 'migrations'
|
|
id = Column(Integer, primary_key=True, nullable=False)
|
|
source_compute = Column(String(255))
|
|
dest_compute = Column(String(255))
|
|
dest_host = Column(String(255))
|
|
old_flavor_id = Column(Integer())
|
|
new_flavor_id = Column(Integer())
|
|
instance_id = Column(Integer, ForeignKey('instances.id'), nullable=True)
|
|
#TODO(_cerberus_): enum
|
|
status = Column(String(255))
|
|
|
|
|
|
class Network(BASE, NovaBase):
|
|
"""Represents a network."""
|
|
__tablename__ = 'networks'
|
|
__table_args__ = (schema.UniqueConstraint("vpn_public_address",
|
|
"vpn_public_port"),
|
|
{'mysql_engine': 'InnoDB'})
|
|
id = Column(Integer, primary_key=True)
|
|
label = Column(String(255))
|
|
|
|
injected = Column(Boolean, default=False)
|
|
cidr = Column(String(255), unique=True)
|
|
cidr_v6 = Column(String(255), unique=True)
|
|
|
|
gateway_v6 = Column(String(255))
|
|
netmask_v6 = Column(String(255))
|
|
netmask = Column(String(255))
|
|
bridge = Column(String(255))
|
|
bridge_interface = Column(String(255))
|
|
gateway = Column(String(255))
|
|
broadcast = Column(String(255))
|
|
dns = Column(String(255))
|
|
|
|
vlan = Column(Integer)
|
|
vpn_public_address = Column(String(255))
|
|
vpn_public_port = Column(Integer)
|
|
vpn_private_address = Column(String(255))
|
|
dhcp_start = Column(String(255))
|
|
|
|
project_id = Column(String(255))
|
|
host = Column(String(255)) # , ForeignKey('hosts.id'))
|
|
|
|
|
|
class VirtualInterface(BASE, NovaBase):
|
|
"""Represents a virtual interface on an instance."""
|
|
__tablename__ = 'virtual_interfaces'
|
|
id = Column(Integer, primary_key=True)
|
|
address = Column(String(255), unique=True)
|
|
network_id = Column(Integer, ForeignKey('networks.id'))
|
|
network = relationship(Network, backref=backref('virtual_interfaces'))
|
|
|
|
# TODO(tr3buchet): cut the cord, removed foreign key and backrefs
|
|
instance_id = Column(Integer, ForeignKey('instances.id'), nullable=False)
|
|
instance = relationship(Instance, backref=backref('virtual_interfaces'))
|
|
|
|
|
|
# TODO(vish): can these both come from the same baseclass?
|
|
class FixedIp(BASE, NovaBase):
|
|
"""Represents a fixed ip for an instance."""
|
|
__tablename__ = 'fixed_ips'
|
|
id = Column(Integer, primary_key=True)
|
|
address = Column(String(255))
|
|
network_id = Column(Integer, ForeignKey('networks.id'), nullable=True)
|
|
network = relationship(Network, backref=backref('fixed_ips'))
|
|
virtual_interface_id = Column(Integer, ForeignKey('virtual_interfaces.id'),
|
|
nullable=True)
|
|
virtual_interface = relationship(VirtualInterface,
|
|
backref=backref('fixed_ips'))
|
|
instance_id = Column(Integer, ForeignKey('instances.id'), nullable=True)
|
|
instance = relationship(Instance,
|
|
backref=backref('fixed_ips'),
|
|
foreign_keys=instance_id,
|
|
primaryjoin='and_('
|
|
'FixedIp.instance_id == Instance.id,'
|
|
'FixedIp.deleted == False)')
|
|
# associated means that a fixed_ip has its instance_id column set
|
|
# allocated means that a fixed_ip has a its virtual_interface_id column set
|
|
allocated = Column(Boolean, default=False)
|
|
# leased means dhcp bridge has leased the ip
|
|
leased = Column(Boolean, default=False)
|
|
reserved = Column(Boolean, default=False)
|
|
|
|
|
|
class FloatingIp(BASE, NovaBase):
|
|
"""Represents a floating ip that dynamically forwards to a fixed ip."""
|
|
__tablename__ = 'floating_ips'
|
|
id = Column(Integer, primary_key=True)
|
|
address = Column(String(255))
|
|
fixed_ip_id = Column(Integer, ForeignKey('fixed_ips.id'), nullable=True)
|
|
fixed_ip = relationship(FixedIp,
|
|
backref=backref('floating_ips'),
|
|
foreign_keys=fixed_ip_id,
|
|
primaryjoin='and_('
|
|
'FloatingIp.fixed_ip_id == FixedIp.id,'
|
|
'FloatingIp.deleted == False)')
|
|
project_id = Column(String(255))
|
|
host = Column(String(255)) # , ForeignKey('hosts.id'))
|
|
auto_assigned = Column(Boolean, default=False, nullable=False)
|
|
|
|
|
|
class AuthToken(BASE, NovaBase):
|
|
"""Represents an authorization token for all API transactions.
|
|
|
|
Fields are a string representing the actual token and a user id for
|
|
mapping to the actual user
|
|
|
|
"""
|
|
__tablename__ = 'auth_tokens'
|
|
token_hash = Column(String(255), primary_key=True)
|
|
user_id = Column(String(255))
|
|
server_management_url = Column(String(255))
|
|
storage_url = Column(String(255))
|
|
cdn_management_url = Column(String(255))
|
|
|
|
|
|
class User(BASE, NovaBase):
|
|
"""Represents a user."""
|
|
__tablename__ = 'users'
|
|
id = Column(String(255), primary_key=True)
|
|
|
|
name = Column(String(255))
|
|
access_key = Column(String(255))
|
|
secret_key = Column(String(255))
|
|
|
|
is_admin = Column(Boolean)
|
|
|
|
|
|
class Project(BASE, NovaBase):
|
|
"""Represents a project."""
|
|
__tablename__ = 'projects'
|
|
id = Column(String(255), primary_key=True)
|
|
name = Column(String(255))
|
|
description = Column(String(255))
|
|
|
|
project_manager = Column(String(255), ForeignKey(User.id))
|
|
|
|
members = relationship(User,
|
|
secondary='user_project_association',
|
|
backref='projects')
|
|
|
|
|
|
class UserProjectRoleAssociation(BASE, NovaBase):
|
|
__tablename__ = 'user_project_role_association'
|
|
user_id = Column(String(255), primary_key=True)
|
|
user = relationship(User,
|
|
primaryjoin=user_id == User.id,
|
|
foreign_keys=[User.id],
|
|
uselist=False)
|
|
|
|
project_id = Column(String(255), primary_key=True)
|
|
project = relationship(Project,
|
|
primaryjoin=project_id == Project.id,
|
|
foreign_keys=[Project.id],
|
|
uselist=False)
|
|
|
|
role = Column(String(255), primary_key=True)
|
|
ForeignKeyConstraint(['user_id',
|
|
'project_id'],
|
|
['user_project_association.user_id',
|
|
'user_project_association.project_id'])
|
|
|
|
|
|
class UserRoleAssociation(BASE, NovaBase):
|
|
__tablename__ = 'user_role_association'
|
|
user_id = Column(String(255), ForeignKey('users.id'), primary_key=True)
|
|
user = relationship(User, backref='roles')
|
|
role = Column(String(255), primary_key=True)
|
|
|
|
|
|
class UserProjectAssociation(BASE, NovaBase):
|
|
__tablename__ = 'user_project_association'
|
|
user_id = Column(String(255), ForeignKey(User.id), primary_key=True)
|
|
project_id = Column(String(255), ForeignKey(Project.id), primary_key=True)
|
|
|
|
|
|
class ConsolePool(BASE, NovaBase):
|
|
"""Represents pool of consoles on the same physical node."""
|
|
__tablename__ = 'console_pools'
|
|
id = Column(Integer, primary_key=True)
|
|
address = Column(String(255))
|
|
username = Column(String(255))
|
|
password = Column(String(255))
|
|
console_type = Column(String(255))
|
|
public_hostname = Column(String(255))
|
|
host = Column(String(255))
|
|
compute_host = Column(String(255))
|
|
|
|
|
|
class Console(BASE, NovaBase):
|
|
"""Represents a console session for an instance."""
|
|
__tablename__ = 'consoles'
|
|
id = Column(Integer, primary_key=True)
|
|
instance_name = Column(String(255))
|
|
instance_id = Column(Integer)
|
|
password = Column(String(255))
|
|
port = Column(Integer, nullable=True)
|
|
pool_id = Column(Integer, ForeignKey('console_pools.id'))
|
|
pool = relationship(ConsolePool, backref=backref('consoles'))
|
|
|
|
|
|
class InstanceMetadata(BASE, NovaBase):
|
|
"""Represents a metadata key/value pair for an instance"""
|
|
__tablename__ = 'instance_metadata'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
instance_id = Column(Integer, ForeignKey('instances.id'), nullable=False)
|
|
instance = relationship(Instance, backref="metadata",
|
|
foreign_keys=instance_id,
|
|
primaryjoin='and_('
|
|
'InstanceMetadata.instance_id == Instance.id,'
|
|
'InstanceMetadata.deleted == False)')
|
|
|
|
|
|
class InstanceTypeExtraSpecs(BASE, NovaBase):
|
|
"""Represents additional specs as key/value pairs for an instance_type"""
|
|
__tablename__ = 'instance_type_extra_specs'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
instance_type_id = Column(Integer, ForeignKey('instance_types.id'),
|
|
nullable=False)
|
|
instance_type = relationship(InstanceTypes, backref="extra_specs",
|
|
foreign_keys=instance_type_id,
|
|
primaryjoin='and_('
|
|
'InstanceTypeExtraSpecs.instance_type_id == InstanceTypes.id,'
|
|
'InstanceTypeExtraSpecs.deleted == False)')
|
|
|
|
|
|
class Zone(BASE, NovaBase):
|
|
"""Represents a child zone of this zone."""
|
|
__tablename__ = 'zones'
|
|
id = Column(Integer, primary_key=True)
|
|
api_url = Column(String(255))
|
|
username = Column(String(255))
|
|
password = Column(String(255))
|
|
weight_offset = Column(Float(), default=0.0)
|
|
weight_scale = Column(Float(), default=1.0)
|
|
|
|
|
|
class AgentBuild(BASE, NovaBase):
|
|
"""Represents an agent build."""
|
|
__tablename__ = 'agent_builds'
|
|
id = Column(Integer, primary_key=True)
|
|
hypervisor = Column(String(255))
|
|
os = Column(String(255))
|
|
architecture = Column(String(255))
|
|
version = Column(String(255))
|
|
url = Column(String(255))
|
|
md5hash = Column(String(255))
|
|
|
|
|
|
def register_models():
|
|
"""Register Models and create metadata.
|
|
|
|
Called from nova.db.sqlalchemy.__init__ as part of loading the driver,
|
|
it will never need to be called explicitly elsewhere unless the
|
|
connection is lost and needs to be reestablished.
|
|
"""
|
|
from sqlalchemy import create_engine
|
|
models = (Service, Instance, InstanceActions, InstanceTypes,
|
|
Volume, ExportDevice, IscsiTarget, FixedIp, FloatingIp,
|
|
Network, SecurityGroup, SecurityGroupIngressRule,
|
|
SecurityGroupInstanceAssociation, AuthToken, User,
|
|
Project, Certificate, ConsolePool, Console, Zone,
|
|
AgentBuild, InstanceMetadata, InstanceTypeExtraSpecs, Migration)
|
|
engine = create_engine(FLAGS.sql_connection, echo=False)
|
|
for model in models:
|
|
model.metadata.create_all(engine)
|