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ba19a62412
* Add ability to inject statsd client; some py test/reqs updates - Updated the metrics logger to allow construction with an existing statsd client, so that it can be configured by external systems or libs. - added requirements to requirements-dev.txt which are needed to run tests-eg coverage, nose - removed dependency on mock lib, it is in python stdlib now - updated tox.ini to remove the now-superfluous deps * add license to test file, and remove blank line at EOF
105 lines
3.0 KiB
Python
105 lines
3.0 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# pylint: disable=C,R,W
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import logging
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from colorama import Fore, Style
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class BaseStatsLogger(object):
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"""Base class for logging realtime events"""
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def __init__(self, prefix='superset'):
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self.prefix = prefix
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def key(self, key):
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if self.prefix:
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return self.prefix + key
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return key
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def incr(self, key):
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"""Increment a counter"""
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raise NotImplementedError()
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def decr(self, key):
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"""Decrement a counter"""
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raise NotImplementedError()
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def timing(self, key, value):
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raise NotImplementedError()
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def gauge(self, key):
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"""Setup a gauge"""
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raise NotImplementedError()
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class DummyStatsLogger(BaseStatsLogger):
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def incr(self, key):
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logging.debug(
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Fore.CYAN + '[stats_logger] (incr) ' + key + Style.RESET_ALL)
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def decr(self, key):
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logging.debug((
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Fore.CYAN + '[stats_logger] (decr) ' + key + Style.RESET_ALL))
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def timing(self, key, value):
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logging.debug((
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Fore.CYAN +
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f'[stats_logger] (timing) {key} | {value} ' +
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Style.RESET_ALL))
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def gauge(self, key, value):
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logging.debug((
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Fore.CYAN + '[stats_logger] (gauge) ' +
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f'{key} | {value}' +
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Style.RESET_ALL))
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try:
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from statsd import StatsClient
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class StatsdStatsLogger(BaseStatsLogger):
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def __init__(self, host='localhost', port=8125,
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prefix='superset', statsd_client=None):
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"""
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Initializes from either params or a supplied, pre-constructed statsd client.
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If statsd_client argument is given, all other arguments are ignored and the
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supplied client will be used to emit metrics.
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"""
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if statsd_client:
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self.client = statsd_client
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else:
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self.client = StatsClient(host=host, port=port, prefix=prefix)
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def incr(self, key):
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self.client.incr(key)
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def decr(self, key):
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self.client.decr(key)
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def timing(self, key, value):
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self.client.timing(key, value)
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def gauge(self, key):
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# pylint: disable=no-value-for-parameter
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self.client.gauge(key)
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except Exception:
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pass
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