You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
253 lines
7.8 KiB
253 lines
7.8 KiB
# vim: tabstop=4 shiftwidth=4 softtabstop=4 |
|
# |
|
# 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. |
|
""" |
|
SQLAlchemy models for heat data. |
|
""" |
|
|
|
from sqlalchemy import * |
|
from sqlalchemy.orm import relationship, backref, object_mapper |
|
from sqlalchemy.exc import IntegrityError |
|
from sqlalchemy.ext.declarative import declarative_base |
|
from sqlalchemy.schema import ForeignKeyConstraint |
|
from sqlalchemy import types as types |
|
from json import dumps, loads |
|
from heat.openstack.common import timeutils |
|
from heat.db.sqlalchemy.session import get_session |
|
from sqlalchemy.orm.session import Session |
|
|
|
BASE = declarative_base() |
|
|
|
|
|
class Json(types.TypeDecorator, types.MutableType): |
|
impl = types.Text |
|
|
|
def process_bind_param(self, value, dialect): |
|
return dumps(value) |
|
|
|
def process_result_value(self, value, dialect): |
|
return loads(value) |
|
|
|
|
|
class HeatBase(object): |
|
"""Base class for Heat Models.""" |
|
__table_args__ = {'mysql_engine': 'InnoDB'} |
|
__table_initialized__ = False |
|
created_at = Column(DateTime, default=timeutils.utcnow) |
|
updated_at = Column(DateTime, onupdate=timeutils.utcnow) |
|
|
|
def save(self, session=None): |
|
"""Save this object.""" |
|
if not session: |
|
session = Session.object_session(self) |
|
if not session: |
|
session = get_session() |
|
session.add(self) |
|
try: |
|
session.flush() |
|
except IntegrityError, e: |
|
if str(e).endswith('is not unique'): |
|
raise exception.Duplicate(str(e)) |
|
else: |
|
raise |
|
|
|
def expire(self, session=None): |
|
"""Expire this object ().""" |
|
if not session: |
|
session = Session.object_session(self) |
|
if not session: |
|
session = get_session() |
|
session.expire(self) |
|
|
|
def refresh(self, session=None): |
|
"""Refresh this object.""" |
|
if not session: |
|
session = Session.object_session(self) |
|
if not session: |
|
session = get_session() |
|
session.refresh(self) |
|
|
|
def delete(self, session=None): |
|
"""Delete this object.""" |
|
self.deleted = True |
|
self.deleted_at = timeutils.utcnow() |
|
self.save(session=session) |
|
|
|
def __setitem__(self, key, value): |
|
setattr(self, key, value) |
|
|
|
def __getitem__(self, key): |
|
return getattr(self, key) |
|
|
|
def get(self, key, default=None): |
|
return getattr(self, key, default) |
|
|
|
def __iter__(self): |
|
self._i = iter(object_mapper(self).columns) |
|
return self |
|
|
|
def next(self): |
|
n = self._i.next().name |
|
return n, getattr(self, n) |
|
|
|
def update(self, values): |
|
"""Make the model object behave like a dict""" |
|
for k, v in values.iteritems(): |
|
setattr(self, k, v) |
|
|
|
def update_and_save(self, values, session=None): |
|
if not session: |
|
session = Session.object_session(self) |
|
if not session: |
|
session = get_session() |
|
session.begin() |
|
for k, v in values.iteritems(): |
|
setattr(self, k, v) |
|
session.commit() |
|
|
|
def iteritems(self): |
|
"""Make the model object behave like a dict. |
|
|
|
Includes attributes from joins.""" |
|
local = dict(self) |
|
joined = dict([(k, v) for k, v in self.__dict__.iteritems() |
|
if not k[0] == '_']) |
|
local.update(joined) |
|
return local.iteritems() |
|
|
|
|
|
class RawTemplate(BASE, HeatBase): |
|
"""Represents an unparsed template which should be in JSON format.""" |
|
|
|
__tablename__ = 'raw_template' |
|
id = Column(Integer, primary_key=True) |
|
template = Column(Json) |
|
parsed_template = relationship("ParsedTemplate", |
|
uselist=False, backref="raw_template") |
|
|
|
|
|
class ParsedTemplate(BASE, HeatBase): |
|
"""Represents a parsed template.""" |
|
|
|
__tablename__ = 'parsed_template' |
|
id = Column(Integer, primary_key=True) |
|
template = Column(Json) |
|
raw_template_id = Column(Integer, ForeignKey('raw_template.id'), |
|
nullable=False) |
|
|
|
|
|
class Stack(BASE, HeatBase): |
|
"""Represents a stack created by the heat engine.""" |
|
|
|
__tablename__ = 'stack' |
|
|
|
id = Column(Integer, primary_key=True) |
|
name = Column(String) |
|
raw_template_id = Column(Integer, ForeignKey('raw_template.id'), |
|
nullable=False) |
|
raw_template = relationship(RawTemplate, |
|
backref=backref('stack')) |
|
username = Column(String) |
|
status = Column('status', String) |
|
status_reason = Column('status_reason', String) |
|
parameters = Column('parameters', Json) |
|
user_creds_id = Column(Integer, ForeignKey('user_creds.id'), |
|
nullable=False) |
|
owner_id = Column(Integer, nullable=True) |
|
|
|
|
|
class UserCreds(BASE, HeatBase): |
|
""" |
|
Represents user credentials and mirrors the 'context' |
|
handed in by wsgi. |
|
""" |
|
|
|
__tablename__ = 'user_creds' |
|
|
|
id = Column(Integer, primary_key=True) |
|
username = Column(String) |
|
password = Column(String) |
|
service_user = Column(String) |
|
service_password = Column(String) |
|
tenant = Column(String) |
|
auth_url = Column(String) |
|
aws_auth_url = Column(String) |
|
tenant_id = Column(String) |
|
aws_creds = Column(String) |
|
|
|
|
|
class Event(BASE, HeatBase): |
|
"""Represents an event generated by the heat engine.""" |
|
|
|
__tablename__ = 'event' |
|
|
|
id = Column(Integer, primary_key=True) |
|
stack_id = Column(Integer, ForeignKey('stack.id'), |
|
nullable=False) |
|
stack = relationship(Stack, |
|
backref=backref('events')) |
|
|
|
name = Column(String) |
|
logical_resource_id = Column(String) |
|
physical_resource_id = Column(String) |
|
resource_status_reason = Column(String) |
|
resource_type = Column(String) |
|
resource_properties = Column(PickleType) |
|
|
|
|
|
class Resource(BASE, HeatBase): |
|
"""Represents a resource created by the heat engine.""" |
|
|
|
__tablename__ = 'resource' |
|
|
|
id = Column(Integer, primary_key=True) |
|
state = Column('state', String) |
|
name = Column('name', String, nullable=False) |
|
nova_instance = Column('nova_instance', String) |
|
state_description = Column('state_description', String) |
|
# odd name as "metadata" is reserved |
|
rsrc_metadata = Column('rsrc_metadata', Json) |
|
parsed_template_id = Column(Integer, ForeignKey('parsed_template.id'), |
|
nullable=True) |
|
parsed_template = relationship(ParsedTemplate, |
|
backref=backref('resources')) |
|
|
|
stack_id = Column(Integer, ForeignKey('stack.id'), |
|
nullable=False) |
|
stack = relationship(Stack, backref=backref('resources')) |
|
|
|
|
|
class WatchRule(BASE, HeatBase): |
|
"""Represents a watch_rule created by the heat engine.""" |
|
|
|
__tablename__ = 'watch_rule' |
|
|
|
id = Column(Integer, primary_key=True) |
|
name = Column('name', String, nullable=False) |
|
rule = Column('rule', Json) |
|
state = Column('state', String) |
|
stack_name = Column('stack_name', String) |
|
last_evaluated = Column(DateTime, default=timeutils.utcnow) |
|
|
|
|
|
class WatchData(BASE, HeatBase): |
|
"""Represents a watch_data created by the heat engine.""" |
|
|
|
__tablename__ = 'watch_data' |
|
|
|
id = Column(Integer, primary_key=True) |
|
data = Column('data', Json) |
|
|
|
watch_rule_id = Column(Integer, ForeignKey('watch_rule.id'), |
|
nullable=False) |
|
watch_rule = relationship(WatchRule, backref=backref('watch_data'))
|
|
|