a5f8d66d6e
Change-Id: Ia567c3aeb7f8516d0834dc8e4c3852e43a687043
175 lines
6.2 KiB
Python
175 lines
6.2 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2013 eNovance
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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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"""Converters for producing compute sample messages from notification events.
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"""
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import abc
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import six
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from ceilometer.compute import notifications
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from ceilometer.compute import util
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from ceilometer import sample
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@six.add_metaclass(abc.ABCMeta)
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class UserMetadataAwareInstanceNotificationBase(
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notifications.ComputeNotificationBase):
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"""Consumes notifications containing instance user metadata."""
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def process_notification(self, message):
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instance_properties = self.get_instance_properties(message)
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if isinstance(instance_properties.get('metadata'), dict):
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src_metadata = instance_properties['metadata']
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del instance_properties['metadata']
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util.add_reserved_user_metadata(src_metadata, instance_properties)
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return self.get_sample(message)
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def get_instance_properties(self, message):
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"""Retrieve instance properties from notification payload."""
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return message['payload']
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@abc.abstractmethod
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def get_sample(self, message):
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"""Derive sample from notification payload."""
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class InstanceScheduled(UserMetadataAwareInstanceNotificationBase):
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event_types = ['scheduler.run_instance.scheduled']
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def get_instance_properties(self, message):
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"""Retrieve instance properties from notification payload."""
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return message['payload']['request_spec']['instance_properties']
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='instance.scheduled',
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type=sample.TYPE_DELTA,
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volume=1,
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unit='instance',
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user_id=None,
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project_id=message['payload']['request_spec']
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['instance_properties']['project_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class ComputeInstanceNotificationBase(
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UserMetadataAwareInstanceNotificationBase):
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"""Convert compute.instance.* notifications into Samples."""
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event_types = ['compute.instance.*']
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class Instance(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='instance',
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type=sample.TYPE_GAUGE,
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unit='instance',
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volume=1,
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class Memory(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='memory',
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type=sample.TYPE_GAUGE,
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unit='MB',
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volume=message['payload']['memory_mb'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class VCpus(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='vcpus',
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type=sample.TYPE_GAUGE,
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unit='vcpu',
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volume=message['payload']['vcpus'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class RootDiskSize(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='disk.root.size',
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type=sample.TYPE_GAUGE,
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unit='GB',
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volume=message['payload']['root_gb'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class EphemeralDiskSize(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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yield sample.Sample.from_notification(
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name='disk.ephemeral.size',
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type=sample.TYPE_GAUGE,
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unit='GB',
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volume=message['payload']['ephemeral_gb'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class InstanceFlavor(ComputeInstanceNotificationBase):
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def get_sample(self, message):
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instance_type = message.get('payload', {}).get('instance_type')
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if instance_type:
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yield sample.Sample.from_notification(
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name='instance:%s' % instance_type,
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type=sample.TYPE_GAUGE,
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unit='instance',
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volume=1,
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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class InstanceDelete(ComputeInstanceNotificationBase):
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"""Handle the messages sent by the nova notifier plugin.
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Messages are sent when an instance is being deleted.
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"""
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event_types = ['compute.instance.delete.samples']
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def get_sample(self, message):
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for s in message['payload'].get('samples', []):
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yield sample.Sample.from_notification(
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name=s['name'],
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type=s['type'],
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unit=s['unit'],
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volume=s['volume'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['instance_id'],
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message=message)
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