d62fbc9b49
This change isolate storage models used for alarm into a separate file. This a preparation work to have all alarms related storage API inside the alarm namespace and then be able to have a different database for alarming and metering. Partial implements blueprint dedicated-alarm-database Change-Id: Iab6b70c6a48301164016823bd0f8e9781ca21abd
94 lines
3.6 KiB
Python
94 lines
3.6 KiB
Python
#
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# Copyright 2013 eNovance <licensing@enovance.com>
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#
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# Authors: Mehdi Abaakouk <mehdi.abaakouk@enovance.com>
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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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from oslo.config import cfg
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import six
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from ceilometer.alarm.storage import models
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from ceilometer import messaging
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from ceilometer.openstack.common import context
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from ceilometer.openstack.common.gettextutils import _
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from ceilometer.openstack.common import log
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OPTS = [
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cfg.StrOpt('notifier_rpc_topic',
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default='alarm_notifier',
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help='The topic that ceilometer uses for alarm notifier '
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'messages.'),
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cfg.StrOpt('partition_rpc_topic',
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default='alarm_partition_coordination',
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help='The topic that ceilometer uses for alarm partition '
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'coordination messages.'),
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]
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cfg.CONF.register_opts(OPTS, group='alarm')
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LOG = log.getLogger(__name__)
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class RPCAlarmNotifier(object):
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def __init__(self):
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transport = messaging.get_transport()
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self.client = messaging.get_rpc_client(
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transport, topic=cfg.CONF.alarm.notifier_rpc_topic,
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version="1.0")
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def notify(self, alarm, previous, reason, reason_data):
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actions = getattr(alarm, models.Alarm.ALARM_ACTIONS_MAP[alarm.state])
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if not actions:
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LOG.debug(_('alarm %(alarm_id)s has no action configured '
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'for state transition from %(previous)s to '
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'state %(state)s, skipping the notification.') %
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{'alarm_id': alarm.alarm_id,
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'previous': previous,
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'state': alarm.state})
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return
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self.client.cast(context.get_admin_context(),
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'notify_alarm', data={
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'actions': actions,
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'alarm_id': alarm.alarm_id,
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'previous': previous,
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'current': alarm.state,
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'reason': six.text_type(reason),
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'reason_data': reason_data})
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class RPCAlarmPartitionCoordination(object):
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def __init__(self):
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transport = messaging.get_transport()
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self.client = messaging.get_rpc_client(
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transport, topic=cfg.CONF.alarm.partition_rpc_topic,
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version="1.0")
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def presence(self, uuid, priority):
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cctxt = self.client.prepare(fanout=True)
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return cctxt.cast(context.get_admin_context(),
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'presence', data={'uuid': uuid,
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'priority': priority})
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def assign(self, uuid, alarms):
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cctxt = self.client.prepare(fanout=True)
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return cctxt.cast(context.get_admin_context(),
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'assign', data={'uuid': uuid,
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'alarms': alarms})
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def allocate(self, uuid, alarms):
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cctxt = self.client.prepare(fanout=True)
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return cctxt.cast(context.get_admin_context(),
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'allocate', data={'uuid': uuid,
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'alarms': alarms})
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