c2c3273c2d
Ceilometer handles Designate CRUD notifications as events, but not the exists notification. This fix handles the exists notification as event and sample for measurable audit interval. Change-Id: I53d63cc4c8bcc6924afb0560bd8482d94e564895 Closes-Bug: 1474608
75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
#
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# Copyright 2015 Hewlett Packard
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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 oslo_messaging
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from oslo_utils import timeutils
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from ceilometer.agent import plugin_base
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from ceilometer import sample
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OPTS = [
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cfg.StrOpt('dns_control_exchange',
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default='central',
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help="Exchange name for DNS notifications."),
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]
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cfg.CONF.register_opts(OPTS)
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SERVICE = 'dns'
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class DnsMetricsNotificationBase(plugin_base.NotificationBase):
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"""Base class for DNSaaS(Designate) notifications."""
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@staticmethod
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def get_targets(conf):
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"""Return a sequence of oslo.messaging.Target
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This sequence is defining the exchange and topics to be connected for
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this plugin.
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"""
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return [oslo_messaging.Target(topic=topic,
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exchange=conf.dns_control_exchange)
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for topic in conf.notification_topics]
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class DomainExists(DnsMetricsNotificationBase):
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"""Handles DNS domain exists notification.
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Emits a sample for a measurable audit interval.
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"""
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event_types = ['%s.domain.exists' % SERVICE]
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def process_notification(self, message):
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period_start = timeutils.normalize_time(timeutils.parse_isotime(
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message['payload']['audit_period_beginning']))
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period_end = timeutils.normalize_time(timeutils.parse_isotime(
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message['payload']['audit_period_ending']))
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period_difference = timeutils.delta_seconds(period_start, period_end)
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yield sample.Sample.from_notification(
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name=message['event_type'],
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type=sample.TYPE_CUMULATIVE,
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unit='s',
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volume=period_difference,
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resource_id=message['payload']['id'],
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user_id=message['_context_user'],
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project_id=message['payload']['tenant_id'],
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message=message)
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