133 lines
4.8 KiB
Python
133 lines
4.8 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
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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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"""Simple logging storage backend.
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"""
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from ceilometer.openstack.common.gettextutils import _
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from ceilometer.openstack.common import log
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from ceilometer.storage import base
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LOG = log.getLogger(__name__)
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class Connection(base.Connection):
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"""Log the data."""
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def upgrade(self):
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pass
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def clear(self):
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pass
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def record_metering_data(self, data):
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"""Write the data to the backend storage system.
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:param data: a dictionary such as returned by
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ceilometer.meter.meter_message_from_counter.
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"""
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LOG.info(_('metering data %(counter_name)s for %(resource_id)s: '
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'%(counter_volume)s')
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% ({'counter_name': data['counter_name'],
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'resource_id': data['resource_id'],
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'counter_volume': data['counter_volume']}))
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def clear_expired_metering_data(self, ttl):
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"""Clear expired data from the backend storage system.
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Clearing occurs according to the time-to-live.
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:param ttl: Number of seconds to keep records for.
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"""
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LOG.info(_("Dropping data with TTL %d"), ttl)
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def get_resources(self, user=None, project=None, source=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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metaquery=None, resource=None, pagination=None):
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"""Return an iterable of dictionaries containing resource information.
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{ 'resource_id': UUID of the resource,
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'project_id': UUID of project owning the resource,
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'user_id': UUID of user owning the resource,
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'timestamp': UTC datetime of last update to the resource,
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'metadata': most current metadata for the resource,
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'meter': list of the meters reporting data for the resource,
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}
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:param user: Optional ID for user that owns the resource.
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:param project: Optional ID for project that owns the resource.
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:param source: Optional source filter.
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:param start_timestamp: Optional modified timestamp start range.
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:param start_timestamp_op: Optional start time operator, like gt, ge.
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:param end_timestamp: Optional modified timestamp end range.
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:param end_timestamp_op: Optional end time operator, like lt, le.
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:param metaquery: Optional dict with metadata to match on.
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:param resource: Optional resource filter.
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:param pagination: Optional pagination query.
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"""
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return []
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def get_meters(self, user=None, project=None, resource=None, source=None,
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limit=None, metaquery=None, pagination=None):
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"""Return an iterable of dictionaries containing meter information.
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{ 'name': name of the meter,
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'type': type of the meter (gauge, delta, cumulative),
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'resource_id': UUID of the resource,
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'project_id': UUID of project owning the resource,
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'user_id': UUID of user owning the resource,
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}
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:param user: Optional ID for user that owns the resource.
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:param project: Optional ID for project that owns the resource.
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:param resource: Optional resource filter.
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:param source: Optional source filter.
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:param limit: Maximum number of results to return.
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:param metaquery: Optional dict with metadata to match on.
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:param pagination: Optional pagination query.
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"""
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return []
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def get_samples(self, sample_filter):
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"""Return an iterable of samples.
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Items are created by
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:func:`ceilometer.meter.meter_message_from_counter`.
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"""
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return []
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def get_meter_statistics(self, sample_filter, period=None, groupby=None,
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aggregate=None):
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"""Return a dictionary containing meter statistics.
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Meter statistics is described by the query parameters.
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The filter must have a meter value set.
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{ 'min':
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'max':
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'avg':
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'sum':
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'count':
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'period':
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'period_start':
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'period_end':
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'duration':
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'duration_start':
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'duration_end':
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}
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"""
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return []
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