246 lines
8.6 KiB
Python
246 lines
8.6 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# FIXME: https://bugs.launchpad.net/climate/+bug/1300132
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# from oslo_log import log as logging
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from oslo_utils import uuidutils
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import six
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import sqlalchemy as sa
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from sqlalchemy.dialects.mysql import MEDIUMTEXT
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from sqlalchemy.orm import relationship
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from blazar.db.sqlalchemy import model_base as mb
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# FIXME: https://bugs.launchpad.net/climate/+bug/1300132
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# LOG = logging.getLogger(__name__)
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# Helpers
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def _generate_unicode_uuid():
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return six.text_type(uuidutils.generate_uuid())
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def MediumText():
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return sa.Text().with_variant(MEDIUMTEXT(), 'mysql')
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def _id_column():
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return sa.Column(sa.String(36),
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primary_key=True,
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default=_generate_unicode_uuid)
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# Main objects: Lease, Reservation, Event
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class Lease(mb.BlazarBase):
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"""Contains all info about lease."""
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__tablename__ = 'leases'
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id = _id_column()
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name = sa.Column(sa.String(80), nullable=False)
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user_id = sa.Column(sa.String(255), nullable=True)
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project_id = sa.Column(sa.String(255), nullable=True)
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start_date = sa.Column(sa.DateTime, nullable=False)
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end_date = sa.Column(sa.DateTime, nullable=False)
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trust_id = sa.Column(sa.String(36))
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reservations = relationship('Reservation', cascade="all,delete",
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backref='lease', lazy='joined')
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events = relationship('Event', cascade="all,delete",
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backref='lease', lazy='joined')
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action = sa.Column(sa.String(255))
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status = sa.Column(sa.String(255))
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status_reason = sa.Column(sa.String(255))
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def to_dict(self):
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d = super(Lease, self).to_dict()
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d['reservations'] = [r.to_dict() for r in self.reservations]
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d['events'] = [e.to_dict() for e in self.events]
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return d
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class Reservation(mb.BlazarBase):
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"""Specifies group of nodes within a cluster."""
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__tablename__ = 'reservations'
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id = _id_column()
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lease_id = sa.Column(sa.String(36),
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sa.ForeignKey('leases.id'),
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nullable=False)
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resource_id = sa.Column(sa.String(36))
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resource_type = sa.Column(sa.String(66))
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status = sa.Column(sa.String(13))
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instance_reservations = relationship('InstanceReservations',
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uselist=False,
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cascade='all,delete',
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backref='reservation',
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lazy='joined')
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computehost_reservations = relationship('ComputeHostReservation',
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uselist=False,
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cascade="all,delete",
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backref='reservation',
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lazy='joined')
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computehost_allocations = relationship('ComputeHostAllocation',
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uselist=False,
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cascade="all,delete",
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backref='reservation',
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lazy='joined')
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def to_dict(self):
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d = super(Reservation, self).to_dict()
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if self.computehost_reservations:
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res = self.computehost_reservations.to_dict()
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d['hypervisor_properties'] = res['hypervisor_properties']
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d['resource_properties'] = res['resource_properties']
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d['before_end'] = res['before_end']
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if res['count_range']:
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try:
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minMax = res['count_range'].split('-', 1)
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(d['min'], d['max']) = map(int, minMax)
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except ValueError:
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# FIXME: https://bugs.launchpad.net/climate/+bug/1300132
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# LOG.error(
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# "Invalid Range: {0}".format(res['count_range']))
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e = "Invalid count range: {0}".format(res['count_range'])
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raise RuntimeError(e)
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if self.instance_reservations:
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ir_keys = ['vcpus', 'memory_mb', 'disk_gb', 'amount', 'affinity',
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'flavor_id', 'aggregate_id', 'server_group_id']
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d.update(self.instance_reservations.to_dict(include=ir_keys))
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return d
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class Event(mb.BlazarBase):
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"""An events occurring with the lease."""
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__tablename__ = 'events'
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id = _id_column()
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lease_id = sa.Column(sa.String(36), sa.ForeignKey('leases.id'))
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event_type = sa.Column(sa.String(66))
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time = sa.Column(sa.DateTime)
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status = sa.Column(sa.String(13))
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def to_dict(self):
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return super(Event, self).to_dict()
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class ComputeHostReservation(mb.BlazarBase):
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"""Description
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Specifies resources asked by reservation from
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Compute Host Reservation API.
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"""
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__tablename__ = 'computehost_reservations'
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id = _id_column()
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reservation_id = sa.Column(sa.String(36), sa.ForeignKey('reservations.id'))
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aggregate_id = sa.Column(sa.Integer)
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resource_properties = sa.Column(MediumText())
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count_range = sa.Column(sa.String(36))
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hypervisor_properties = sa.Column(MediumText())
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status = sa.Column(sa.String(13))
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before_end = sa.Column(sa.String(36))
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def to_dict(self):
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return super(ComputeHostReservation, self).to_dict()
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class InstanceReservations(mb.BlazarBase):
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"""The definition of a flavor of the reservation."""
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__tablename__ = 'instance_reservations'
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id = _id_column()
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reservation_id = sa.Column(sa.String(36), sa.ForeignKey('reservations.id'))
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vcpus = sa.Column(sa.Integer, nullable=False)
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memory_mb = sa.Column(sa.Integer, nullable=False)
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disk_gb = sa.Column(sa.Integer, nullable=False)
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amount = sa.Column(sa.Integer, nullable=False)
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affinity = sa.Column(sa.Boolean, nullable=False)
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flavor_id = sa.Column(sa.String(36), nullable=True)
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aggregate_id = sa.Column(sa.Integer, nullable=True)
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server_group_id = sa.Column(sa.String(36), nullable=True)
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class ComputeHostAllocation(mb.BlazarBase):
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"""Mapping between ComputeHost, ComputeHostReservation and Reservation."""
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__tablename__ = 'computehost_allocations'
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id = _id_column()
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compute_host_id = sa.Column(sa.String(36),
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sa.ForeignKey('computehosts.id'))
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reservation_id = sa.Column(sa.String(36),
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sa.ForeignKey('reservations.id'))
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def to_dict(self):
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return super(ComputeHostAllocation, self).to_dict()
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class ComputeHost(mb.BlazarBase):
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"""Description
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Specifies resources asked by reservation from
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Compute Host Reservation API.
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"""
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__tablename__ = 'computehosts'
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id = _id_column()
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vcpus = sa.Column(sa.Integer, nullable=False)
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cpu_info = sa.Column(MediumText(), nullable=False)
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hypervisor_type = sa.Column(MediumText(), nullable=False)
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hypervisor_version = sa.Column(sa.Integer, nullable=False)
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hypervisor_hostname = sa.Column(sa.String(255), nullable=True)
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service_name = sa.Column(sa.String(255), nullable=True)
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memory_mb = sa.Column(sa.Integer, nullable=False)
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local_gb = sa.Column(sa.Integer, nullable=False)
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status = sa.Column(sa.String(13))
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trust_id = sa.Column(sa.String(36), nullable=False)
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computehost_extra_capabilities = relationship('ComputeHostExtraCapability',
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cascade="all,delete",
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backref='computehost',
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lazy='joined')
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def to_dict(self):
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return super(ComputeHost, self).to_dict()
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class ComputeHostExtraCapability(mb.BlazarBase):
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"""Description
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Allows to define extra capabilities per administrator request for each
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Compute Host added.
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"""
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__tablename__ = 'computehost_extra_capabilities'
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id = _id_column()
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computehost_id = sa.Column(sa.String(36), sa.ForeignKey('computehosts.id'))
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capability_name = sa.Column(sa.String(64), nullable=False)
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capability_value = sa.Column(MediumText(), nullable=False)
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def to_dict(self):
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return super(ComputeHostExtraCapability, self).to_dict()
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