deb-murano/muranoapi/common/statservice.py
Christian Berendt 939fbc4463 debug level logs should not be translated
According to the OpenStack translation policy available at
https://wiki.openstack.org/wiki/LoggingStandards debug messages
should not be translated. Like mentioned in several changes in
Nova by garyk this is to help prioritize log translation.

Change-Id: I082f925e6923613e1e8cfeb5a0533747087a5e02
2014-05-12 17:15:32 +02:00

96 lines
3.7 KiB
Python

# Copyright (c) 2014 Mirantis, 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 eventlet
import json
import psutil
import socket
import time
from muranoapi.api import v1
from muranoapi.api.v1 import request_statistics
from muranoapi.common import config
from muranoapi.db.services import stats as db_stats
from muranoapi.openstack.common.gettextutils import _ # noqa
from muranoapi.openstack.common import log as logging
from muranoapi.openstack.common import service
CONF_STATS = config.CONF.stats
LOG = logging.getLogger(__name__)
class StatsCollectingService(service.Service):
def __init__(self):
super(StatsCollectingService, self).__init__()
request_statistics.init_stats()
self._hostname = socket.gethostname()
self._stats_db = db_stats.Statistics()
self._prev_time = time.time()
def start(self):
super(StatsCollectingService, self).start()
self.tg.add_thread(self._collect_stats_loop)
def stop(self):
super(StatsCollectingService, self).stop()
def _collect_stats_loop(self):
period = CONF_STATS.period * 60
while True:
self.update_stats()
eventlet.sleep(period)
def update_stats(self):
LOG.debug("Updating statistic information.")
LOG.debug("Stats object: %s" % v1.stats)
LOG.debug("Stats: Requests:%s Errors: %s Ave.Res.Time %2.4f\n"
"Per tenant: %s" %
(v1.stats.request_count,
v1.stats.error_count,
v1.stats.average_time,
v1.stats.requests_per_tenant))
try:
stats = self._stats_db.get_stats_by_host(self._hostname)
if stats is None:
self._stats_db.create(self._hostname,
v1.stats.request_count,
v1.stats.error_count,
v1.stats.average_time,
v1.stats.requests_per_tenant,
psutil.NUM_CPUS,
psutil.cpu_percent())
return
now = time.time()
t_delta = now - self._prev_time
requests_per_second = (v1.stats.request_count -
stats.request_count) / t_delta
errors_per_second = (v1.stats.error_count -
stats.error_count) / t_delta
self._prev_time = now
stats.request_count = v1.stats.request_count
stats.error_count = v1.stats.error_count
stats.average_response_time = v1.stats.average_time
stats.requests_per_tenant = json.dumps(v1.stats.
requests_per_tenant)
stats.requests_per_second = requests_per_second
stats.errors_per_second = errors_per_second
stats.cpu_percent = psutil.cpu_percent()
self._stats_db.update(self._hostname, stats)
except Exception as e:
LOG.error(_("Failed to get statistics object "
"form a database. %s" % e))