src-kafka/tests/kafkatest/services/performance/streams_performance.py

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# 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
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#
#    http://www.apache.org/licenses/LICENSE-2.0
#
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from kafkatest.services.streams import StreamsTestBaseService


#
# Class used to start the simple Kafka Streams benchmark
#
class StreamsSimpleBenchmarkService(StreamsTestBaseService):
    """Base class for simple Kafka Streams benchmark"""

    def __init__(self, test_context, kafka, numrecs, load_phase, test_name):
        super(StreamsSimpleBenchmarkService, self).__init__(test_context,
                                                            kafka,
                                                            "org.apache.kafka.streams.perf.SimpleBenchmark",
                                                            numrecs,
                                                            load_phase,
                                                            test_name)

    def collect_data(self, node, tag = None):
        # Collect the data and return it to the framework
        output = node.account.ssh_capture("grep Performance %s" % self.STDOUT_FILE)
        data = {}
        for line in output:
            parts = line.split(':')
            data[tag + parts[0]] = parts[1]
        return data