141 lines
4.1 KiB
Python
141 lines
4.1 KiB
Python
# 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 aodh data.
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"""
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import json
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from oslo_utils import timeutils
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import six
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from sqlalchemy import Column, String, Index, Boolean, Text, DateTime
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from sqlalchemy.dialects.mysql import DECIMAL
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.types import TypeDecorator
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from aodh import utils
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class JSONEncodedDict(TypeDecorator):
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"""Represents an immutable structure as a json-encoded string."""
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impl = String
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@staticmethod
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def process_bind_param(value, dialect):
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if value is not None:
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value = json.dumps(value)
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return value
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@staticmethod
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def process_result_value(value, dialect):
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if value is not None:
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value = json.loads(value)
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return value
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class PreciseTimestamp(TypeDecorator):
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"""Represents a timestamp precise to the microsecond."""
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impl = DateTime
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def load_dialect_impl(self, dialect):
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if dialect.name == 'mysql':
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return dialect.type_descriptor(DECIMAL(precision=20,
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scale=6,
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asdecimal=True))
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return self.impl
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@staticmethod
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def process_bind_param(value, dialect):
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if value is None:
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return value
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elif dialect.name == 'mysql':
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return utils.dt_to_decimal(value)
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return value
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@staticmethod
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def process_result_value(value, dialect):
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if value is None:
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return value
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elif dialect.name == 'mysql':
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return utils.decimal_to_dt(value)
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return value
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class AodhBase(object):
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"""Base class for Aodh Models."""
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__table_args__ = {'mysql_charset': "utf8",
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'mysql_engine': "InnoDB"}
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__table_initialized__ = False
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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 update(self, values):
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"""Make the model object behave like a dict."""
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for k, v in six.iteritems(values):
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setattr(self, k, v)
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Base = declarative_base(cls=AodhBase)
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class Alarm(Base):
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"""Define Alarm data."""
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__tablename__ = 'alarm'
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__table_args__ = (
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Index('ix_alarm_user_id', 'user_id'),
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Index('ix_alarm_project_id', 'project_id'),
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)
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alarm_id = Column(String(128), primary_key=True)
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enabled = Column(Boolean)
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name = Column(Text)
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type = Column(String(50))
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severity = Column(String(50))
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description = Column(Text)
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timestamp = Column(PreciseTimestamp, default=lambda: timeutils.utcnow())
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user_id = Column(String(128))
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project_id = Column(String(128))
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state = Column(String(255))
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state_timestamp = Column(PreciseTimestamp,
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default=lambda: timeutils.utcnow())
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ok_actions = Column(JSONEncodedDict)
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alarm_actions = Column(JSONEncodedDict)
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insufficient_data_actions = Column(JSONEncodedDict)
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repeat_actions = Column(Boolean)
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rule = Column(JSONEncodedDict)
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time_constraints = Column(JSONEncodedDict)
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class AlarmChange(Base):
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"""Define AlarmChange data."""
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__tablename__ = 'alarm_history'
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__table_args__ = (
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Index('ix_alarm_history_alarm_id', 'alarm_id'),
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)
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event_id = Column(String(128), primary_key=True)
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alarm_id = Column(String(128))
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on_behalf_of = Column(String(128))
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project_id = Column(String(128))
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user_id = Column(String(128))
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type = Column(String(20))
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detail = Column(Text)
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timestamp = Column(PreciseTimestamp, default=lambda: timeutils.utcnow())
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