67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from stevedore import driver
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from oslo_log import log as oslo_logging
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import masakarimonitors.conf
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from masakarimonitors import manager
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LOG = oslo_logging.getLogger(__name__)
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CONF = masakarimonitors.conf.CONF
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class HostmonitorManager(manager.Manager):
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"""Manages the masakari-hostmonitor."""
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def __init__(self, *args, **kwargs):
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super(HostmonitorManager, self).__init__(
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service_name="hostmonitor", *args, **kwargs)
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self.driver = None
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def init_host(self):
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"""Initialization for hostmonitor."""
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try:
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# Determine dynamic load driver from configuration.
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driver_name = CONF.host.monitoring_driver
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# Load the driver to global.
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self.driver = driver.DriverManager(
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namespace='hostmonitor.driver',
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name=driver_name,
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invoke_on_load=True,
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invoke_args=(),
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)
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except Exception as e:
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LOG.exception(
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"Exception caught during initializing hostmonitor: %s", e)
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os._exit(1)
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def stop(self):
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self.driver.driver.stop()
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def main(self):
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"""Main method."""
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try:
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# Call the host monitoring driver.
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self.driver.driver.monitor_hosts()
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except Exception as e:
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LOG.exception("Exception caught: %s", e)
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return
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