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# ============LICENSE_START====================================
# csit-dcaegen2-collectors-hv-ves
# =========================================================
# Copyright (C) 2019 Nokia. All rights reserved.
# =========================================================
# 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.
# ============LICENSE_END=====================================
import docker
from robot.api import logger
KAFKA_IMAGE_FULL_NAME = "wurstmeister/kafka"
KAFKA_ADDRESS = "kafka:9092"
ZOOKEEPER_ADDRESS = "zookeeper:2181"
LIST_TOPICS_COMMAND = "kafka-topics.sh --list --zookeeper %s" % ZOOKEEPER_ADDRESS
TOPIC_STATUS_COMMAND = "kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list " + KAFKA_ADDRESS + " --topic %s --time -1"
DELETE_TOPIC_COMMAND = "kafka-topics.sh --zookeeper " + ZOOKEEPER_ADDRESS + " --delete --topic %s"
class KafkaLibrary:
def log_kafka_status(self):
dockerClient = docker.from_env()
kafka = dockerClient.containers.list(filters={"ancestor": KAFKA_IMAGE_FULL_NAME}, all=True)[0]
topics = self.get_topics(kafka)
logger.info("Topics initialized in Kafka cluster: " + str(topics))
for topic in topics:
if topic == "__consumer_offsets":
# kafka-internal topic, ignore it
continue
self.log_topic_status(kafka, topic)
self.reset_topic(kafka, topic)
dockerClient.close()
def get_topics(self, kafka):
exitCode, output = kafka.exec_run(LIST_TOPICS_COMMAND)
return output.splitlines()
def log_topic_status(self, kafka, topic):
_, topic_status = kafka.exec_run(TOPIC_STATUS_COMMAND % topic)
logger.info("Messages on topic: " + str(topic_status))
def reset_topic(self, kafka, topic):
logger.info("Removing topic " + str(
topic) + " (note that it will be recreated by dcae-app-simulator/hv-ves-collector, however the offset will be reseted)")
_, output = kafka.exec_run(DELETE_TOPIC_COMMAND % topic)
logger.info(str(output))
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