OpenStack Orchestration (Heat)
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heat/heat/db/sqlalchemy/models.py

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#
# 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."""
import uuid
from oslo_db.sqlalchemy import models
import sqlalchemy
from sqlalchemy.ext import declarative
from sqlalchemy.orm import backref
from sqlalchemy.orm import relationship
from heat.db.sqlalchemy import types
BASE = declarative.declarative_base()
class HeatBase(models.ModelBase, models.TimestampMixin):
"""Base class for Heat Models."""
__table_args__ = {'mysql_engine': 'InnoDB'}
class SoftDelete(object):
deleted_at = sqlalchemy.Column(sqlalchemy.DateTime)
class StateAware(object):
action = sqlalchemy.Column('action', sqlalchemy.String(255))
status = sqlalchemy.Column('status', sqlalchemy.String(255))
status_reason = sqlalchemy.Column('status_reason', sqlalchemy.Text)
class RawTemplate(BASE, HeatBase):
"""Represents an unparsed template which should be in JSON format."""
__tablename__ = 'raw_template'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
template = sqlalchemy.Column(types.Json)
# legacy column
files = sqlalchemy.Column(types.Json)
# modern column, reference to raw_template_files
files_id = sqlalchemy.Column(
sqlalchemy.Integer(),
sqlalchemy.ForeignKey('raw_template_files.id'))
environment = sqlalchemy.Column('environment', types.Json)
class RawTemplateFiles(BASE, HeatBase):
"""Where template files json dicts are stored."""
__tablename__ = 'raw_template_files'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
files = sqlalchemy.Column(types.Json)
class StackTag(BASE, HeatBase):
"""Key/value store of arbitrary stack tags."""
__tablename__ = 'stack_tag'
id = sqlalchemy.Column('id',
sqlalchemy.Integer,
primary_key=True,
nullable=False)
tag = sqlalchemy.Column('tag', sqlalchemy.Unicode(80))
stack_id = sqlalchemy.Column('stack_id',
sqlalchemy.String(36),
sqlalchemy.ForeignKey('stack.id'),
nullable=False)
class SyncPoint(BASE, HeatBase):
"""Represents a syncpoint for a stack that is being worked on."""
__tablename__ = 'sync_point'
__table_args__ = (
sqlalchemy.PrimaryKeyConstraint('entity_id',
'traversal_id',
'is_update'),
sqlalchemy.ForeignKeyConstraint(['stack_id'], ['stack.id'])
)
entity_id = sqlalchemy.Column(sqlalchemy.String(36))
traversal_id = sqlalchemy.Column(sqlalchemy.String(36))
is_update = sqlalchemy.Column(sqlalchemy.Boolean)
# integer field for atomic update operations
atomic_key = sqlalchemy.Column(sqlalchemy.Integer, nullable=False)
stack_id = sqlalchemy.Column(sqlalchemy.String(36),
nullable=False)
input_data = sqlalchemy.Column(types.Json)
class Stack(BASE, HeatBase, SoftDelete, StateAware):
"""Represents a stack created by the heat engine."""
__tablename__ = 'stack'
__table_args__ = (
sqlalchemy.Index('ix_stack_name', 'name', mysql_length=255),
sqlalchemy.Index('ix_stack_tenant', 'tenant', mysql_length=255),
)
id = sqlalchemy.Column(sqlalchemy.String(36), primary_key=True,
default=lambda: str(uuid.uuid4()))
name = sqlalchemy.Column(sqlalchemy.String(255))
raw_template_id = sqlalchemy.Column(
sqlalchemy.Integer,
sqlalchemy.ForeignKey('raw_template.id'),
nullable=False)
raw_template = relationship(RawTemplate, backref=backref('stack'),
foreign_keys=[raw_template_id])
prev_raw_template_id = sqlalchemy.Column(
'prev_raw_template_id',
sqlalchemy.Integer,
sqlalchemy.ForeignKey('raw_template.id'))
prev_raw_template = relationship(RawTemplate,
foreign_keys=[prev_raw_template_id])
username = sqlalchemy.Column(sqlalchemy.String(256))
tenant = sqlalchemy.Column(sqlalchemy.String(256))
user_creds_id = sqlalchemy.Column(
sqlalchemy.Integer,
sqlalchemy.ForeignKey('user_creds.id'))
owner_id = sqlalchemy.Column(sqlalchemy.String(36), index=True)
parent_resource_name = sqlalchemy.Column(sqlalchemy.String(255))
timeout = sqlalchemy.Column(sqlalchemy.Integer)
disable_rollback = sqlalchemy.Column(sqlalchemy.Boolean, nullable=False)
stack_user_project_id = sqlalchemy.Column(sqlalchemy.String(64))
backup = sqlalchemy.Column('backup', sqlalchemy.Boolean)
nested_depth = sqlalchemy.Column('nested_depth', sqlalchemy.Integer)
convergence = sqlalchemy.Column('convergence', sqlalchemy.Boolean)
tags = relationship(StackTag, cascade="all,delete",
backref=backref('stack'))
current_traversal = sqlalchemy.Column('current_traversal',
sqlalchemy.String(36))
current_deps = sqlalchemy.Column('current_deps', types.Json)
# Override timestamp column to store the correct value: it should be the
# time the create/update call was issued, not the time the DB entry is
# created/modified. (bug #1193269)
updated_at = sqlalchemy.Column(sqlalchemy.DateTime)
class StackLock(BASE, HeatBase):
"""Store stack locks for deployments with multiple-engines."""
__tablename__ = 'stack_lock'
stack_id = sqlalchemy.Column(sqlalchemy.String(36),
sqlalchemy.ForeignKey('stack.id'),
primary_key=True)
engine_id = sqlalchemy.Column(sqlalchemy.String(36))
class UserCreds(BASE, HeatBase):
"""Represents user credentials.
Also, mirrors the 'context' handed in by wsgi.
"""
__tablename__ = 'user_creds'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
username = sqlalchemy.Column(sqlalchemy.String(255))
password = sqlalchemy.Column(sqlalchemy.String(255))
region_name = sqlalchemy.Column(sqlalchemy.String(255))
decrypt_method = sqlalchemy.Column(sqlalchemy.String(64))
tenant = sqlalchemy.Column(sqlalchemy.String(1024))
auth_url = sqlalchemy.Column(sqlalchemy.Text)
tenant_id = sqlalchemy.Column(sqlalchemy.String(256))
trust_id = sqlalchemy.Column(sqlalchemy.String(255))
trustor_user_id = sqlalchemy.Column(sqlalchemy.String(64))
stack = relationship(Stack, backref=backref('user_creds'),
cascade_backrefs=False)
class ResourcePropertiesData(BASE, HeatBase):
"""Represents resource properties data, current or older"""
__tablename__ = 'resource_properties_data'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
data = sqlalchemy.Column('data', types.Json)
encrypted = sqlalchemy.Column('encrypted', sqlalchemy.Boolean)
class Event(BASE, HeatBase):
"""Represents an event generated by the heat engine."""
__tablename__ = 'event'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
stack_id = sqlalchemy.Column(sqlalchemy.String(36),
sqlalchemy.ForeignKey('stack.id'),
nullable=False)
stack = relationship(Stack, backref=backref('events'))
uuid = sqlalchemy.Column(sqlalchemy.String(36),
default=lambda: str(uuid.uuid4()),
unique=True)
resource_action = sqlalchemy.Column(sqlalchemy.String(255))
resource_status = sqlalchemy.Column(sqlalchemy.String(255))
resource_name = sqlalchemy.Column(sqlalchemy.String(255))
physical_resource_id = sqlalchemy.Column(sqlalchemy.String(255))
_resource_status_reason = sqlalchemy.Column(
'resource_status_reason', sqlalchemy.String(255))
resource_type = sqlalchemy.Column(sqlalchemy.String(255))
rsrc_prop_data_id = sqlalchemy.Column(sqlalchemy.Integer,
sqlalchemy.ForeignKey(
'resource_properties_data.id'))
rsrc_prop_data = relationship(ResourcePropertiesData,
backref=backref('event'))
resource_properties = sqlalchemy.Column(sqlalchemy.PickleType)
@property
def resource_status_reason(self):
return self._resource_status_reason
@resource_status_reason.setter
def resource_status_reason(self, reason):
self._resource_status_reason = reason and reason[:255] or ''
class ResourceData(BASE, HeatBase):
"""Key/value store of arbitrary, resource-specific data."""
__tablename__ = 'resource_data'
id = sqlalchemy.Column('id',
sqlalchemy.Integer,
primary_key=True,
nullable=False)
key = sqlalchemy.Column('key', sqlalchemy.String(255))
value = sqlalchemy.Column('value', sqlalchemy.Text)
redact = sqlalchemy.Column('redact', sqlalchemy.Boolean)
decrypt_method = sqlalchemy.Column(sqlalchemy.String(64))
resource_id = sqlalchemy.Column(
'resource_id', sqlalchemy.Integer,
sqlalchemy.ForeignKey(column='resource.id', name='fk_resource_id',
ondelete='CASCADE'),
nullable=False)
class Resource(BASE, HeatBase, StateAware):
"""Represents a resource created by the heat engine."""
__tablename__ = 'resource'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
uuid = sqlalchemy.Column(sqlalchemy.String(36),
default=lambda: str(uuid.uuid4()),
unique=True)
name = sqlalchemy.Column('name', sqlalchemy.String(255))
physical_resource_id = sqlalchemy.Column('nova_instance',
sqlalchemy.String(255))
# odd name as "metadata" is reserved
rsrc_metadata = sqlalchemy.Column('rsrc_metadata', types.Json)
stack_id = sqlalchemy.Column(sqlalchemy.String(36),
sqlalchemy.ForeignKey('stack.id'),
nullable=False)
stack = relationship(Stack, backref=backref('resources'))
root_stack_id = sqlalchemy.Column(sqlalchemy.String(36), index=True)
data = relationship(ResourceData,
cascade="all",
passive_deletes=True,
backref=backref('resource'))
rsrc_prop_data_id = sqlalchemy.Column(sqlalchemy.Integer,
sqlalchemy.ForeignKey(
'resource_properties_data.id'))
rsrc_prop_data = relationship(ResourcePropertiesData,
foreign_keys=[rsrc_prop_data_id])
attr_data_id = sqlalchemy.Column(sqlalchemy.Integer,
sqlalchemy.ForeignKey(
'resource_properties_data.id'))
attr_data = relationship(ResourcePropertiesData,
foreign_keys=[attr_data_id])
# Override timestamp column to store the correct value: it should be the
# time the create/update call was issued, not the time the DB entry is
# created/modified. (bug #1193269)
updated_at = sqlalchemy.Column(sqlalchemy.DateTime)
properties_data = sqlalchemy.Column('properties_data', types.Json)
properties_data_encrypted = sqlalchemy.Column('properties_data_encrypted',
sqlalchemy.Boolean)
engine_id = sqlalchemy.Column(sqlalchemy.String(36))
atomic_key = sqlalchemy.Column(sqlalchemy.Integer)
needed_by = sqlalchemy.Column('needed_by', types.List)
requires = sqlalchemy.Column('requires', types.List)
replaces = sqlalchemy.Column('replaces', sqlalchemy.Integer,
default=None)
replaced_by = sqlalchemy.Column('replaced_by', sqlalchemy.Integer,
default=None)
current_template_id = sqlalchemy.Column(
'current_template_id',
sqlalchemy.Integer,
sqlalchemy.ForeignKey('raw_template.id'))
class SoftwareConfig(BASE, HeatBase):
"""Represents a software configuration resource.
Represents a software configuration resource to be applied to one or more
servers.
"""
__tablename__ = 'software_config'
id = sqlalchemy.Column('id', sqlalchemy.String(36), primary_key=True,
default=lambda: str(uuid.uuid4()))
name = sqlalchemy.Column('name', sqlalchemy.String(255))
group = sqlalchemy.Column('group', sqlalchemy.String(255))
config = sqlalchemy.Column('config', types.Json)
tenant = sqlalchemy.Column(
'tenant', sqlalchemy.String(64), nullable=False, index=True)
class SoftwareDeployment(BASE, HeatBase, StateAware):
"""Represents a software deployment resource.
Represents applying a software configuration resource to a single server
resource.
"""
__tablename__ = 'software_deployment'
__table_args__ = (
sqlalchemy.Index('ix_software_deployment_created_at', 'created_at'),)
id = sqlalchemy.Column('id', sqlalchemy.String(36), primary_key=True,
default=lambda: str(uuid.uuid4()))
config_id = sqlalchemy.Column(
'config_id',
sqlalchemy.String(36),
sqlalchemy.ForeignKey('software_config.id'),
nullable=False)
config = relationship(SoftwareConfig, backref=backref('deployments'))
server_id = sqlalchemy.Column('server_id', sqlalchemy.String(36),
nullable=False, index=True)
input_values = sqlalchemy.Column('input_values', types.Json)
output_values = sqlalchemy.Column('output_values', types.Json)
tenant = sqlalchemy.Column(
'tenant', sqlalchemy.String(64), nullable=False, index=True)
stack_user_project_id = sqlalchemy.Column(sqlalchemy.String(64))
updated_at = sqlalchemy.Column(sqlalchemy.DateTime)
class Snapshot(BASE, HeatBase):
__tablename__ = 'snapshot'
id = sqlalchemy.Column('id', sqlalchemy.String(36), primary_key=True,
default=lambda: str(uuid.uuid4()))
stack_id = sqlalchemy.Column(sqlalchemy.String(36),
sqlalchemy.ForeignKey('stack.id'),
nullable=False)
name = sqlalchemy.Column('name', sqlalchemy.String(255))
data = sqlalchemy.Column('data', types.Json)
tenant = sqlalchemy.Column(
'tenant', sqlalchemy.String(64), nullable=False, index=True)
status = sqlalchemy.Column('status', sqlalchemy.String(255))
status_reason = sqlalchemy.Column('status_reason', sqlalchemy.String(255))
stack = relationship(Stack, backref=backref('snapshot'))
class Service(BASE, HeatBase, SoftDelete):
__tablename__ = 'service'
id = sqlalchemy.Column('id',
sqlalchemy.String(36),
primary_key=True,
default=lambda: str(uuid.uuid4()))
engine_id = sqlalchemy.Column('engine_id',
sqlalchemy.String(36),
nullable=False)
host = sqlalchemy.Column('host',
sqlalchemy.String(255),
nullable=False)
hostname = sqlalchemy.Column('hostname',
sqlalchemy.String(255),
nullable=False)
binary = sqlalchemy.Column('binary',
sqlalchemy.String(255),
nullable=False)
topic = sqlalchemy.Column('topic',
sqlalchemy.String(255),
nullable=False)
report_interval = sqlalchemy.Column('report_interval',
sqlalchemy.Integer,
nullable=False)