162 lines
6.2 KiB
Python
162 lines
6.2 KiB
Python
# Copyright 2016 Ericsson AB
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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
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# 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 datetime
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from dcmanager.common import consts as dcm_consts
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from dcorch.common import consts
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from dcorch.common import context
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from dcorch.common import exceptions
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from dcorch.common.i18n import _
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from dcorch.common import manager
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from dcorch.db import api as db_api
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from dcorch.drivers.openstack import sdk_platform
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from dcorch.drivers.openstack import sdk
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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 threading
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import time
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class AlarmAggregateManager(manager.Manager):
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"""Manages tasks related to alarm aggregation"""
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def __init__(self, *args, **kwargs):
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LOG.debug(_('AlarmAggregateManager initialization...'))
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super(AlarmAggregateManager, self).\
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__init__(service_name="alarm_aggregate_manager", *args, **kwargs)
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self.context = context.get_admin_context()
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self.alarm_update_thread = PeriodicAlarmUpdate(self)
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self.alarm_update_thread.start()
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def shutdown(self):
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self.alarm_update_thread.stop()
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self.alarm_update_thread.join()
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def enable_snmp(self, ctxt, subcloud_name):
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LOG.info("Enabling fm-aggregation trap for region_name=%s" %
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subcloud_name)
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os_client = sdk_platform.OpenStackDriver(subcloud_name)
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payload = {"ip_address": CONF.snmp.snmp_ip,
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"community": CONF.snmp.snmp_comm_str}
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try:
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os_client.sysinv_client.snmp_trapdest_create(payload)
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self.update_alarm_summary(self.context, subcloud_name)
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except (exceptions.ConnectionRefused, exceptions.NotAuthorized,
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exceptions.TimeOut):
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LOG.info("snmp_trapdest_create exception Timeout region_name=%s" %
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subcloud_name)
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pass
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except AttributeError:
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LOG.info("snmp_trapdest_create AttributeError region_name=%s" %
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subcloud_name)
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pass
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except exceptions.TrapDestAlreadyExists:
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LOG.info("snmp_trapdest_create TrapDestAlreadyExists "
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"region_name=%s payload %s" % (subcloud_name, payload))
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pass
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except Exception:
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LOG.info("snmp_trapdest_create exception region_name=%s" %
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subcloud_name)
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pass
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def update_alarm_summary(self, cntx, region_name):
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LOG.info("Updating alarm summary for %s" % region_name)
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try:
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os_client = sdk.OpenStackDriver(region_name)
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alarms = os_client.fm_client.get_alarm_summary()
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alarm_updates = {'critical_alarms': alarms[0].critical,
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'major_alarms': alarms[0].major,
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'minor_alarms': alarms[0].minor,
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'warnings': alarms[0].warnings}
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alarm_updates = self._set_cloud_status(alarm_updates)
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db_api.subcloud_alarms_update(self.context, region_name,
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alarm_updates)
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except Exception:
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LOG.error('Failed to update alarms for %s' % region_name)
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def _set_cloud_status(self, alarm_dict):
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status = consts.ALARM_OK_STATUS
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if (alarm_dict.get('major_alarms') > 0) or\
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(alarm_dict.get('minor_alarms') > 0):
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status = consts.ALARM_DEGRADED_STATUS
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if (alarm_dict.get('critical_alarms') > 0):
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status = consts.ALARM_CRITICAL_STATUS
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alarm_dict['cloud_status'] = status
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return alarm_dict
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def get_alarm_summary(self, ctxt):
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alarms = db_api.subcloud_alarms_get_all(self.context)
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summary = []
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for alarm in alarms:
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alarm_dict = {'region_name': alarm['region_name'],
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'uuid': alarm['uuid'],
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'critical_alarms': alarm['critical_alarms'],
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'major_alarms': alarm['major_alarms'],
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'minor_alarms': alarm['minor_alarms'],
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'warnings': alarm['warnings'],
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'cloud_status': alarm['cloud_status']}
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summary.append(alarm_dict)
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return summary
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class PeriodicAlarmUpdate(threading.Thread):
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def __init__(self, parent):
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super(PeriodicAlarmUpdate, self).__init__()
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self.parent = parent
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self.context = context.get_admin_context()
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self._stop = threading.Event()
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self.interval = CONF.snmp.alarm_audit_interval_time
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self.system_last_update = datetime.datetime.now()
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def run_updates(self):
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while not self.stopped():
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delta = (datetime.datetime.now() -
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self.system_last_update).total_seconds()
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if delta < self.interval:
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time.sleep(1.0)
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continue
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try:
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LOG.info('Running alarm summary update sync')
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self.system_last_update = datetime.datetime.now()
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subclouds = db_api.subcloud_get_all(self.context)
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for subcloud in subclouds:
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if self.stopped():
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break
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if subcloud['availability_status'] ==\
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dcm_consts.AVAILABILITY_ONLINE:
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self.parent.\
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update_alarm_summary(self.context,
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subcloud['region_name'])
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except Exception:
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pass
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time.sleep(1.0)
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LOG.info("Periodic Alarm Update Thread Stopped")
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def stopped(self):
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return self._stop.isSet()
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def stop(self):
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LOG.info("Periodic Alarm Update Thread Stopping")
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self._stop.set()
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def run(self):
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self.run_updates()
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