4f4dcfe2da
Wrote notification handler for notifications emitted by Magnetodb and corresponding unittests. Change-Id: I65180aeb43aa2e8a437f7c68391fd03d99669e71 bp: support-magnetodb DocImpact
80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# 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 ceilometer.agent import plugin_base
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from ceilometer import sample
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OPTS = [
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cfg.StrOpt('magnetodb_control_exchange',
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default='magnetodb',
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help="Exchange name for Magnetodb notifications."),
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]
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cfg.CONF.register_opts(OPTS)
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class _Base(plugin_base.NotificationBase):
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"""Convert magnetodb notification into Samples."""
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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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Sequence defining the exchange and topics to be connected for this
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plugin.
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"""
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return [oslo.messaging.Target(topic=topic,
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exchange=conf.magnetodb_control_exchange)
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for topic in conf.notification_topics]
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class Table(_Base):
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event_types = [
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'magnetodb.table.create.end',
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'magnetodb.table.delete.end'
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]
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def process_notification(self, message):
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meter_name = '.'.join(message['event_type'].split('.')[:-1])
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yield sample.Sample.from_notification(
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name=meter_name,
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type=sample.TYPE_GAUGE,
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unit='table',
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volume=1,
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resource_id=message['payload']['table_uuid'],
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user_id=message['_context_user'],
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project_id=message['_context_tenant'],
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message=message)
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class Index(_Base):
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event_types = [
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'magnetodb.table.create.end'
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]
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='magnetodb.table.index.count',
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type=sample.TYPE_GAUGE,
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unit='index',
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volume=message['payload']['index_count'],
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resource_id=message['payload']['table_uuid'],
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user_id=message['_context_user'],
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project_id=message['_context_tenant'],
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message=message)
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