109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
#! /usr/bin/env python
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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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 os
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import time
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from oslo_config import cfg
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from oslo_log import log as logging
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import six
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from octavia.amphorae.backends.agent.api_server import util
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from octavia.amphorae.backends.health_daemon import health_sender
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from octavia.amphorae.backends.utils import haproxy_query
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if six.PY2:
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import Queue as queue
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else:
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import queue
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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SEQ = 0
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def list_sock_stat_files(hadir=None):
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stat_sock_files = {}
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if hadir is None:
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hadir = CONF.haproxy_amphora.base_path
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listener_ids = util.get_listeners()
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for listener_id in listener_ids:
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sock_file = listener_id + ".sock"
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stat_sock_files[listener_id] = os.path.join(hadir, sock_file)
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return stat_sock_files
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def run_sender(cmd_queue):
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LOG.info('Health Manager Sender starting.')
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sender = health_sender.UDPStatusSender()
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while True:
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message = build_stats_message()
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sender.dosend(message)
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try:
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cmd = cmd_queue.get_nowait()
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if cmd is 'reload':
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LOG.info('Reloading configuration')
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CONF.reload_config_files()
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elif cmd is 'shutdown':
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LOG.info('Health Manager Sender shutting down.')
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break
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except queue.Empty:
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pass
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time.sleep(CONF.health_manager.heartbeat_interval)
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def get_stats(stat_sock_file):
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stats_query = haproxy_query.HAProxyQuery(stat_sock_file)
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stats = stats_query.show_stat()
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pool_status = stats_query.get_pool_status()
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return stats, pool_status
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def build_stats_message():
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global SEQ
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msg = {'id': CONF.amphora_agent.amphora_id,
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'seq': SEQ, "listeners": {}}
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SEQ += 1
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stat_sock_files = list_sock_stat_files()
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for listener_id, stat_sock_file in stat_sock_files.items():
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listener_dict = {'pools': {},
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'status': 'DOWN',
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'stats': {
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'tx': 0,
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'rx': 0,
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'conns': 0,
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'totconns': 0,
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'ereq': 0}}
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msg['listeners'][listener_id] = listener_dict
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if util.is_listener_running(listener_id):
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(stats, pool_status) = get_stats(stat_sock_file)
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listener_dict = msg['listeners'][listener_id]
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for row in stats:
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if row['svname'] == 'FRONTEND':
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listener_dict['stats']['tx'] = int(row['bout'])
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listener_dict['stats']['rx'] = int(row['bin'])
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listener_dict['stats']['conns'] = int(row['scur'])
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listener_dict['stats']['totconns'] = int(row['stot'])
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listener_dict['stats']['ereq'] = int(row['ereq'])
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listener_dict['status'] = row['status']
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for oid, pool in pool_status.items():
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if oid != listener_id:
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pool_id = oid
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pools = listener_dict['pools']
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pools[pool_id] = {"status": pool['status'],
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"members": pool['members']}
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return msg
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