Source code for designate.metrics

# Copyright 2016 Hewlett Packard Enterprise Development Company LP
# 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
# 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 oslo_config import cfg
from oslo_log import log as logging
from oslo_utils import importutils

import designate.conf
from designate.metrics_client import noop

monascastatsd = importutils.try_import('monascastatsd')

CFG_GROUP_NAME = 'monasca:statsd'
CONF = designate.conf.CONF
LOG = logging.getLogger(__name__)

# Global metrics client to be imported by other modules
metrics = None

[docs]class Metrics(object):
[docs] def __init__(self): self._client = None
[docs] def init(self): conf = cfg.CONF[CFG_GROUP_NAME] if conf.enabled and monascastatsd: 'Statsd reports to %(host)s:%(port)d', { 'host': conf.hostname, 'port': conf.port } ) self._client = monascastatsd.Client( host=conf.hostname, port=conf.port, dimensions={ 'service_name': 'dns' }) return if conf.enabled and not monascastatsd: LOG.error('monasca-statsd client not installed. ' 'Metrics will be ignored.') else:'Statsd disabled') self._client = noop.Client()
[docs] def counter(self, *a, **kw): return self.client.get_counter(*a, **kw)
[docs] def gauge(self, *a, **kw): return self.client.get_gauge(*a, **kw)
@property def timing(self): return self.client.get_timer().timing
[docs] def timer(self): return self.client.get_timer()
@property def client(self): if not self._client: self.init() return self._client
metrics = Metrics()