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# Copyright 2017 Red Hat, Inc.
#
# 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.
import copy
from zuul.lib.config import get_default
def get_statsd_config(config):
statsd_host = get_default(config, 'statsd', 'server')
statsd_port = int(get_default(config, 'statsd', 'port', 8125))
statsd_prefix = get_default(config, 'statsd', 'prefix')
return (statsd_host, statsd_port, statsd_prefix)
def normalize_statsd_name(name):
name = name.replace('.', '_')
name = name.replace(':', '_')
return name
def get_statsd(config, extra_keys=None):
(statsd_host, statsd_port, statsd_prefix) = get_statsd_config(config)
if statsd_host is None:
return None
import statsd
class CustomStatsClient(statsd.StatsClient):
def __init__(self, host, port, prefix, extra=None):
self.extra_keys = copy.copy(extra) or {}
for key in self.extra_keys:
value = normalize_statsd_name(self.extra_keys[key])
self.extra_keys[key] = value
super().__init__(host, port, prefix)
def _format_stat(self, name, **keys):
format_keys = copy.copy(keys)
# we need to normalize all keys which go into the metric name
for key in format_keys:
normalized_value = normalize_statsd_name(format_keys[key])
format_keys[key] = normalized_value
format_keys.update(self.extra_keys)
return name.format(**format_keys)
def gauge(self, stat, value, rate=1, delta=False, **format_keys):
stat = self._format_stat(stat, **format_keys)
super().gauge(stat, value, rate, delta)
def incr(self, stat, count=1, rate=1, **format_keys):
stat = self._format_stat(stat, **format_keys)
super().incr(stat, count, rate)
def timing(self, stat, delta, rate=1, **format_keys):
stat = self._format_stat(stat, **format_keys)
super().timing(stat, delta, rate)
return CustomStatsClient(
statsd_host, statsd_port, statsd_prefix, extra_keys)
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