829a33bf94
This option is not needed as you can pass the option into the MongoDB URL. Change-Id: Ic549e7d0da6cdff5babaae58ff0b823122e00fbf
145 lines
5.1 KiB
Python
145 lines
5.1 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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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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"""Storage backend management
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"""
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from oslo_config import cfg
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from oslo_log import log
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import retrying
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import six.moves.urllib.parse as urlparse
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from stevedore import driver
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from aodh import utils
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_NAMESPACE = 'aodh.storage'
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LOG = log.getLogger(__name__)
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OPTS = [
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cfg.IntOpt('alarm_history_time_to_live',
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default=-1,
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help=("Number of seconds that alarm histories are kept "
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"in the database for (<= 0 means forever).")),
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cfg.StrOpt('alarm_connection',
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secret=True,
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default=None,
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deprecated_for_removal=True,
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help='The connection string used to connect '
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'to the alarm database - rather use ${database.connection}'),
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]
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CLI_OPTS = [
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cfg.BoolOpt('sql-expire-samples-only',
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default=False,
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help="Indicates if expirer expires only samples. If set true,"
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" expired samples will be deleted, but residual"
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" resource and meter definition data will remain.",
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),
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]
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class StorageUnknownWriteError(Exception):
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"""Error raised when an unknown error occurs while recording."""
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class StorageBadVersion(Exception):
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"""Error raised when the storage backend version is not good enough."""
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class StorageBadAggregate(Exception):
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"""Error raised when an aggregate is unacceptable to storage backend."""
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code = 400
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def get_connection_from_config(conf):
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retries = conf.database.max_retries
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if conf.database.alarm_connection is None:
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url = conf.database.connection
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else:
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url = conf.database.alarm_connection
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connection_scheme = urlparse.urlparse(url).scheme
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LOG.debug('looking for %(name)r driver in %(namespace)r',
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{'name': connection_scheme, 'namespace': _NAMESPACE})
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mgr = driver.DriverManager(_NAMESPACE, connection_scheme)
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# Convert retry_interval secs to msecs for retry decorator
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@retrying.retry(wait_fixed=conf.database.retry_interval * 1000,
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stop_max_attempt_number=retries if retries >= 0 else None)
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def _get_connection():
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"""Return an open connection to the database."""
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return mgr.driver(conf, url)
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return _get_connection()
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class SampleFilter(object):
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"""Holds the properties for building a query from a meter/sample filter.
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:param user: The sample owner.
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:param project: The sample project.
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:param start_timestamp: Earliest time point in the request.
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:param start_timestamp_op: Earliest timestamp operation in the request.
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:param end_timestamp: Latest time point in the request.
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:param end_timestamp_op: Latest timestamp operation in the request.
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:param resource: Optional filter for resource id.
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:param meter: Optional filter for meter type using the meter name.
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:param source: Optional source filter.
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:param message_id: Optional sample_id filter.
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:param metaquery: Optional filter on the metadata
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"""
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def __init__(self, user=None, project=None,
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start_timestamp=None, start_timestamp_op=None,
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end_timestamp=None, end_timestamp_op=None,
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resource=None, meter=None,
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source=None, message_id=None,
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metaquery=None):
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self.user = user
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self.project = project
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self.start_timestamp = utils.sanitize_timestamp(start_timestamp)
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self.start_timestamp_op = start_timestamp_op
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self.end_timestamp = utils.sanitize_timestamp(end_timestamp)
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self.end_timestamp_op = end_timestamp_op
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self.resource = resource
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self.meter = meter
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self.source = source
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self.metaquery = metaquery or {}
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self.message_id = message_id
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def __repr__(self):
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return ("<SampleFilter(user: %s,"
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" project: %s,"
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" start_timestamp: %s,"
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" start_timestamp_op: %s,"
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" end_timestamp: %s,"
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" end_timestamp_op: %s,"
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" resource: %s,"
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" meter: %s,"
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" source: %s,"
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" metaquery: %s,"
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" message_id: %s)>" %
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(self.user,
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self.project,
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self.start_timestamp,
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self.start_timestamp_op,
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self.end_timestamp,
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self.end_timestamp_op,
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self.resource,
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self.meter,
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self.source,
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self.metaquery,
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self.message_id))
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