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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('metrics-update.json')
@nova_base.NovaObjectRegistry.register_notification
class MetricsNotification(base.NotificationBase):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'payload': fields.ObjectField('MetricsPayload')
}
@nova_base.NovaObjectRegistry.register_notification
class MetricPayload(base.NotificationPayloadBase):
# Version 1.0: Initial version
VERSION = '1.0'
SCHEMA = {
'name': ('monitor_metric', 'name'),
'value': ('monitor_metric', 'value'),
'numa_membw_values': ('monitor_metric', 'numa_membw_values'),
'timestamp': ('monitor_metric', 'timestamp'),
'source': ('monitor_metric', 'source'),
}
fields = {
'name': fields.MonitorMetricTypeField(),
'value': fields.IntegerField(),
'numa_membw_values': fields.DictOfIntegersField(nullable=True),
'timestamp': fields.DateTimeField(),
'source': fields.StringField(),
}
def __init__(self, monitor_metric):
super(MetricPayload, self).__init__()
self.populate_schema(monitor_metric=monitor_metric)
@classmethod
def from_monitor_metric_list_obj(cls, monitor_metric_list):
"""Returns a list of MetricPayload objects based on the passed
MonitorMetricList object.
"""
payloads = []
for monitor_metric in monitor_metric_list:
payloads.append(cls(monitor_metric))
return payloads
@nova_base.NovaObjectRegistry.register_notification
class MetricsPayload(base.NotificationPayloadBase):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'host': fields.StringField(),
'host_ip': fields.StringField(),
'nodename': fields.StringField(),
'metrics': fields.ListOfObjectsField('MetricPayload'),
}
def __init__(self, host, host_ip, nodename, monitor_metric_list):
super(MetricsPayload, self).__init__()
self.host = host
self.host_ip = host_ip
self.nodename = nodename
self.metrics = MetricPayload.from_monitor_metric_list_obj(
monitor_metric_list)
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