132 lines
4.8 KiB
Python
132 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2013 Mirantis, Inc.
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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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from sqlalchemy import Column
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from sqlalchemy import Enum
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from sqlalchemy import Integer
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from sqlalchemy import String
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from sqlalchemy import Unicode
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from sqlalchemy import UniqueConstraint
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from sqlalchemy.dialects import postgresql as psql
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from sqlalchemy.orm import relationship
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from nailgun import consts
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from nailgun.db.sqlalchemy.models.base import Base
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from nailgun.db.sqlalchemy.models.fields import JSON
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from nailgun.db.sqlalchemy.models.mutable import MutableDict
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from nailgun.db.sqlalchemy.models.mutable import MutableList
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from nailgun.utils import get_environment_version
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class Release(Base):
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__tablename__ = 'releases'
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__table_args__ = (
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UniqueConstraint('name', 'version'),
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)
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id = Column(Integer, primary_key=True)
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name = Column(Unicode(100), nullable=False)
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version = Column(String(30), nullable=False)
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description = Column(Unicode)
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operating_system = Column(String(50), nullable=False)
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state = Column(
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Enum(
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*consts.RELEASE_STATES,
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name='release_state'
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),
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nullable=False,
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default=consts.RELEASE_STATES.unavailable
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)
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networks_metadata = Column(MutableDict.as_mutable(JSON), default={})
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attributes_metadata = Column(MutableDict.as_mutable(JSON), default={})
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volumes_metadata = Column(MutableDict.as_mutable(JSON), default={})
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modes_metadata = Column(MutableDict.as_mutable(JSON), default={})
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roles_metadata = Column(MutableDict.as_mutable(JSON), default={})
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tags_metadata = Column(
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MutableDict.as_mutable(JSON), server_default='{}', nullable=False)
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network_roles_metadata = Column(
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MutableList.as_mutable(JSON), default=[], server_default='[]')
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vmware_attributes_metadata = Column(
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MutableDict.as_mutable(JSON), default={})
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components_metadata = Column(
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MutableList.as_mutable(JSON), default=[], server_default='[]')
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required_component_types = Column(MutableList.as_mutable(JSON), default=[],
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server_default='[]', nullable=False)
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modes = Column(MutableList.as_mutable(JSON), default=[])
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clusters = relationship(
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"Cluster",
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primaryjoin="Release.id==Cluster.release_id",
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backref="release",
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cascade="all,delete")
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extensions = Column(psql.ARRAY(String(consts.EXTENSION_NAME_MAX_SIZE)),
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default=[], nullable=False, server_default='{}')
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node_attributes = Column(MutableDict.as_mutable(JSON), default={},
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server_default='{}', nullable=False)
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nic_attributes = Column(MutableDict.as_mutable(JSON), default={},
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server_default='{}', nullable=False)
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bond_attributes = Column(MutableDict.as_mutable(JSON), default={},
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server_default='{}', nullable=False)
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# TODO(enchantner): get rid of properties
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@property
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def openstack_version(self):
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return self.version.split('-')[0]
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@property
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def environment_version(self):
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"""Returns environment version based on release version.
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"""
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return get_environment_version(self.version)
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@property
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def os_weight(self):
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try:
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weight = consts.RELEASE_OS[::-1].index(self.operating_system)
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except ValueError:
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weight = -1
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return weight
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def __cmp__(self, other):
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"""Allows to compare two releases
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:other: an instance of nailgun.db.sqlalchemy.models.release.Release
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"""
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if self.environment_version < other.environment_version:
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return -1
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if self.environment_version > other.environment_version:
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return 1
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if self.openstack_version < other.openstack_version:
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return -1
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if self.openstack_version > other.openstack_version:
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return 1
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if self.os_weight == other.os_weight == -1:
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if self.operating_system > other.operating_system:
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return -1
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if self.operating_system < other.operating_system:
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return 1
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else:
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if self.os_weight < other.os_weight:
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return -1
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if self.os_weight > other.os_weight:
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return 1
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return 0
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