a6419e6cf3
Now it's possible to choose one of two client implementations - either via REST API or via direct socket usage. Socket client currently supports only meter posting. Change-Id: I6005cfa23ffbe4bdba15e62637150e8a29bdefc2
81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
# Copyright 2014: Mirantis Inc.
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# All Rights Reserved.
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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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import opentsdbclient
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class BaseOpenTSDBClient(object):
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def __init__(self, opentsdb_hosts, **kwargs):
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self.hosts = opentsdb_hosts
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def get_statistics(self):
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"""Get info about what metrics are registered and with what stats."""
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raise NotImplementedError
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def put_meter(self, meters):
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"""Post new meter(s) to the database.
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Meter dictionary *should* contain the following four required fields:
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- metric: the name of the metric you are storing
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- timestamp: a Unix epoch style timestamp in seconds or milliseconds.
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The timestamp must not contain non-numeric characters.
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- value: the value to record for this data point. It may be quoted or
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not quoted and must conform to the OpenTSDB value rules.
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- tags: a map of tag name/tag value pairs. At least one pair must be
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supplied.
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"""
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raise NotImplementedError
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def define_retention(self, tsuid, retention_days):
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"""Set retention days for the defined by ID timeseries.
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##########################################################
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NOTE: currently not working directly through the REST API.
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that should be done directly on the HBase level.
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##########################################################
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:param tsuid: hexadecimal representation of the timeseries UID
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:param retention_days: number of days of data points to retain for the
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given timeseries. When set to 0, the default,
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data is retained indefinitely.
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"""
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raise NotImplementedError
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def get_aggregators(self):
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"""Used to get the list of default aggregation functions."""
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raise NotImplementedError
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def get_version(self):
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"""Used to check OpenTSDB version.
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That might be needed in case of unknown bugs - this code is written
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only for the 2.x REST API version, so some of the failures might refer
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to the wrong OpenTSDB version installed.
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"""
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raise NotImplementedError
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def _check_meters(self, meters):
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"""Check that meters to be put are having nice format."""
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if type(meters) == dict:
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meters = [meters]
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for meter_dict in meters:
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if (set(meter_dict.keys())
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!= set(['metric', 'timestamp', 'value', 'tags'])):
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raise opentsdbclient.InvalidOpenTSDBFormat(
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actual=meter_dict,
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expected="{'metric': <meter_name>, 'timestamp': <ts>, "
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"'value': <value>, 'tags': <at least one pair>}")
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return meters
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