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# Copyright 2018 NTT Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from nova.notifications.objects import base
from nova.objects import base as nova_base
from nova.objects import fields
@base.notification_sample('volume-usage.json')
@nova_base.NovaObjectRegistry.register_notification
class VolumeUsageNotification(base.NotificationBase):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'payload': fields.ObjectField('VolumeUsagePayload')
}
@nova_base.NovaObjectRegistry.register_notification
class VolumeUsagePayload(base.NotificationPayloadBase):
# Version 1.0: Initial version
VERSION = '1.0'
SCHEMA = {
'volume_id': ('vol_usage', 'volume_id'),
'project_id': ('vol_usage', 'project_id'),
'user_id': ('vol_usage', 'user_id'),
'availability_zone': ('vol_usage', 'availability_zone'),
'instance_uuid': ('vol_usage', 'instance_uuid'),
'last_refreshed': ('vol_usage', 'last_refreshed'),
'reads': ('vol_usage', 'reads'),
'read_bytes': ('vol_usage', 'read_bytes'),
'writes': ('vol_usage', 'writes'),
'write_bytes': ('vol_usage', 'write_bytes')
}
fields = {
'volume_id': fields.UUIDField(),
'project_id': fields.StringField(nullable=True),
'user_id': fields.StringField(nullable=True),
'availability_zone': fields.StringField(nullable=True),
'instance_uuid': fields.UUIDField(nullable=True),
'last_refreshed': fields.DateTimeField(nullable=True),
'reads': fields.IntegerField(),
'read_bytes': fields.IntegerField(),
'writes': fields.IntegerField(),
'write_bytes': fields.IntegerField()
}
def __init__(self, vol_usage):
super(VolumeUsagePayload, self).__init__()
self.populate_schema(vol_usage=vol_usage)
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