60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# Copyright 2015 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 time
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from concurrent import futures
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from oslo_config import cfg
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from oslo_log import log as logging
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from octavia.controller.worker import controller_worker as cw
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from octavia.db import api as db_api
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from octavia.db import repositories as repo
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from octavia.i18n import _LI
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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CONF.import_group('health_manager', 'octavia.common.config')
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class HealthManager(object):
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def __init__(self):
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self.cw = cw.ControllerWorker()
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self.threads = CONF.health_manager.failover_threads
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def health_check(self):
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amp_health_repo = repo.AmphoraHealthRepository()
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with futures.ThreadPoolExecutor(max_workers=self.threads) as executor:
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try:
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while True:
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time.sleep(CONF.health_manager.health_check_interval)
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session = db_api.get_session()
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LOG.debug("Starting amphora health check")
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failover_count = 0
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while True:
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amp = amp_health_repo.get_stale_amphora(session)
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if amp is None:
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break
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failover_count += 1
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LOG.info(_LI("Stale amphora's id is: %s"),
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amp.amphora_id)
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executor.submit(self.cw.failover_amphora,
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amp.amphora_id)
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if failover_count > 0:
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LOG.info(_LI("Failed over %s amphora"),
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failover_count)
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finally:
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executor.shutdown(wait=True)
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