a566f8ddc6
Implement code of handling libvirt events for instancemonitor. Change-Id: Icb17be66c55b6eec0d5396beb622bed078f5c663
77 lines
2.6 KiB
Python
77 lines
2.6 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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from oslo_log import log as oslo_logging
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import masakarimonitors.conf
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from masakarimonitors.i18n import _LI
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LOG = oslo_logging.getLogger(__name__)
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CONF = masakarimonitors.conf.CONF
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VMHA = "vmha"
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class Callback(object):
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"""Class of callback processing."""
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def _post_event(self, retry_max, retry_interval, event):
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# TODO(KengoTakahara): This method will be implemented after
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# fixing masakariclient.sdk.
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pass
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def libvirt_event_callback(self, eventID, detail, uuID, noticeType,
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hostname, currentTime):
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"""Callback method.
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Callback processing be executed as result of the
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libvirt event filter.
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:param eventID: Event ID notify to the callback function
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:param detail: Event code notify to the callback function
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:param uuID: Uuid notify to the callback function
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:param noticeType: Notice type notify to the callback function
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:param hostname: Server host name of the source an event occur
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notify to the callback function
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:param currentTime: Event occurred time notify to the callback
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function
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"""
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# Output to the syslog.
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msg = "libvirt Event: type=%s hostname=%s uuid=%s \
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time=%s eventID=%s detail=%s " % (
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noticeType, hostname, uuID, currentTime, eventID, detail)
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LOG.info(_LI("%s"), msg)
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# Set the event to the dictionary.
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event = {
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'notification': {
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'type': noticeType,
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'hostname': hostname,
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'generated_time': currentTime,
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'payload': {
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'event': eventID,
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'instance_uuid': uuID,
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'vir_domain_event': detail
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}
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}
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}
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retry_max = CONF.callback.retry_max
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retry_interval = float(CONF.callback.retry_interval)
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self._post_event(retry_max, retry_interval, event)
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return
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