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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.
from openstack import resource
from openstack.telemetry import telemetry_service
class Statistics(resource.Resource):
""".. caution:: This API is a work in progress and is subject to change."""
id_attribute = 'meter_name'
resource_key = 'statistics'
base_path = '/meters/%(meter_name)s/statistics'
service = telemetry_service.TelemetryService()
# Supported Operations
allow_list = True
# Path Parameter
meter_name = resource.prop('meter_name')
# Properties
#: The selectable aggregate value(s)
aggregate = resource.prop('aggregate')
#: The average of all of the volume values seen in the data
avg = resource.prop('avg')
#: The number of samples seen
count = resource.prop('count')
#: The difference, in seconds, between the oldest and newest timestamp
duration = resource.prop('duration')
#: UTC date and time of the oldest timestamp, or the query end time
duration_end = resource.prop('duration_end')
#: UTC date and time of the earliest timestamp, or the query start time
duration_start = resource.prop('duration_start')
#: Dictionary of field names for group, if groupby statistics are requested
group_by = resource.prop('groupby')
#: The maximum volume seen in the data
max = resource.prop('max')
#: The minimum volume seen in the data
min = resource.prop('min')
#: The difference, in seconds, between the period start and end
period = resource.prop('period')
#: UTC date and time of the period end
period_end = resource.prop('period_end')
#: UTC date and time of the period start
period_start = resource.prop('period_start')
#: The total of all of the volume values seen in the data
sum = resource.prop('sum')
#: The unit type of the data set
unit = resource.prop('unit')
@classmethod
def list(cls, session, limit=None, marker=None, path_args=None,
paginated=False, **params):
url = cls._get_url(path_args)
resp = session.get(url, endpoint_filter=cls.service, params=params)
for stat in resp.json():
yield cls.existing(**stat)
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