| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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 ducktape.services.background_thread import BackgroundThreadService |
| |
| from kafkatest.services.kafka.directory import kafka_dir |
| |
| |
| class SimpleConsumerShell(BackgroundThreadService): |
| |
| logs = { |
| "simple_consumer_shell_log": { |
| "path": "/mnt/simple_consumer_shell.log", |
| "collect_default": False} |
| } |
| |
| def __init__(self, context, num_nodes, kafka, topic, partition=0): |
| super(SimpleConsumerShell, self).__init__(context, num_nodes) |
| |
| self.kafka = kafka |
| self.topic = topic |
| self.partition = partition |
| self.output = "" |
| |
| def _worker(self, idx, node): |
| cmd = self.start_cmd(node) |
| self.logger.debug("SimpleConsumerShell %d command: %s" % (idx, cmd)) |
| self.output = "" |
| self.logger.debug(cmd) |
| for line in node.account.ssh_capture(cmd): |
| self.output += line |
| self.logger.debug(self.output) |
| |
| def start_cmd(self, node): |
| cmd = "/opt/%s/bin/" % kafka_dir(node) |
| cmd += "kafka-run-class.sh kafka.tools.SimpleConsumerShell" |
| cmd += " --topic %s --broker-list %s --partition %s --no-wait-at-logend" % (self.topic, self.kafka.bootstrap_servers(), self.partition) |
| |
| cmd += " 2>> /mnt/get_simple_consumer_shell.log | tee -a /mnt/get_simple_consumer_shell.log &" |
| return cmd |
| |
| def get_output(self): |
| return self.output |
| |
| def stop_node(self, node): |
| node.account.kill_process("SimpleConsumerShell", allow_fail=False) |
| if self.worker_threads is None: |
| return |
| |
| # block until the corresponding thread exits |
| if len(self.worker_threads) >= self.idx(node): |
| # Need to guard this because stop is preemptively called before the worker threads are added and started |
| self.worker_threads[self.idx(node) - 1].join() |
| |
| def clean_node(self, node): |
| node.account.kill_process("SimpleConsumerShell", clean_shutdown=False, allow_fail=False) |
| node.account.ssh("rm -rf /mnt/simple_consumer_shell.log", allow_fail=False) |