monasca-transform/monasca_transform/component/insert/kafka_insert_pre_hourly.py

45 lines
1.7 KiB
Python

# Copyright 2016 Hewlett Packard Enterprise Development Company LP
#
# 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 monasca_transform.component.insert import InsertComponent
from monasca_transform.config.config_initializer import ConfigInitializer
from monasca_transform.messaging.adapter import KafkaMessageAdapterPreHourly
class KafkaInsertPreHourly(InsertComponent):
"""Insert component that writes instance usage data to kafka queue"""
@staticmethod
def insert(transform_context, instance_usage_df):
"""write instance usage data to kafka"""
# object to init config
ConfigInitializer.basic_config()
transform_spec_df = transform_context.transform_spec_df_info
agg_params = transform_spec_df.select(
"metric_id").\
collect()[0].asDict()
metric_id = agg_params["metric_id"]
for instance_usage_row in instance_usage_df.collect():
instance_usage_dict = \
InsertComponent._get_instance_usage_pre_hourly(
instance_usage_row,
metric_id)
KafkaMessageAdapterPreHourly.send_metric(instance_usage_dict)
return instance_usage_df