diff options
Diffstat (limited to 'src/python/grpcio_tests/tests/stress')
| -rw-r--r-- | src/python/grpcio_tests/tests/stress/__init__.py | 28 | ||||
| -rw-r--r-- | src/python/grpcio_tests/tests/stress/client.py | 135 | ||||
| -rw-r--r-- | src/python/grpcio_tests/tests/stress/metrics_server.py | 60 | ||||
| -rw-r--r-- | src/python/grpcio_tests/tests/stress/test_runner.py | 73 |
4 files changed, 296 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/stress/__init__.py b/src/python/grpcio_tests/tests/stress/__init__.py new file mode 100644 index 0000000000..100a624dc9 --- /dev/null +++ b/src/python/grpcio_tests/tests/stress/__init__.py @@ -0,0 +1,28 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/src/python/grpcio_tests/tests/stress/client.py b/src/python/grpcio_tests/tests/stress/client.py new file mode 100644 index 0000000000..0de2532cd8 --- /dev/null +++ b/src/python/grpcio_tests/tests/stress/client.py @@ -0,0 +1,135 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Entry point for running stress tests.""" + +import argparse +import threading + +from grpc.beta import implementations +from six.moves import queue +from src.proto.grpc.testing import metrics_pb2 +from src.proto.grpc.testing import test_pb2 + +from tests.interop import methods +from tests.qps import histogram +from tests.stress import metrics_server +from tests.stress import test_runner + + +def _args(): + parser = argparse.ArgumentParser(description='gRPC Python stress test client') + parser.add_argument( + '--server_addresses', + help='comma seperated list of hostname:port to run servers on', + default='localhost:8080', type=str) + parser.add_argument( + '--test_cases', + help='comma seperated list of testcase:weighting of tests to run', + default='large_unary:100', + type=str) + parser.add_argument( + '--test_duration_secs', + help='number of seconds to run the stress test', + default=-1, type=int) + parser.add_argument( + '--num_channels_per_server', + help='number of channels per server', + default=1, type=int) + parser.add_argument( + '--num_stubs_per_channel', + help='number of stubs to create per channel', + default=1, type=int) + parser.add_argument( + '--metrics_port', + help='the port to listen for metrics requests on', + default=8081, type=int) + return parser.parse_args() + + +def _test_case_from_arg(test_case_arg): + for test_case in methods.TestCase: + if test_case_arg == test_case.value: + return test_case + else: + raise ValueError('No test case {}!'.format(test_case_arg)) + + +def _parse_weighted_test_cases(test_case_args): + weighted_test_cases = {} + for test_case_arg in test_case_args.split(','): + name, weight = test_case_arg.split(':', 1) + test_case = _test_case_from_arg(name) + weighted_test_cases[test_case] = int(weight) + return weighted_test_cases + + +def run_test(args): + test_cases = _parse_weighted_test_cases(args.test_cases) + test_servers = args.server_addresses.split(',') + # Propagate any client exceptions with a queue + exception_queue = queue.Queue() + stop_event = threading.Event() + hist = histogram.Histogram(1, 1) + runners = [] + + server = metrics_pb2.beta_create_MetricsService_server( + metrics_server.MetricsServer(hist)) + server.add_insecure_port('[::]:{}'.format(args.metrics_port)) + server.start() + + for test_server in test_servers: + host, port = test_server.split(':', 1) + for _ in xrange(args.num_channels_per_server): + channel = implementations.insecure_channel(host, int(port)) + for _ in xrange(args.num_stubs_per_channel): + stub = test_pb2.beta_create_TestService_stub(channel) + runner = test_runner.TestRunner(stub, test_cases, hist, + exception_queue, stop_event) + runners.append(runner) + + for runner in runners: + runner.start() + try: + timeout_secs = args.test_duration_secs + if timeout_secs < 0: + timeout_secs = None + raise exception_queue.get(block=True, timeout=timeout_secs) + except queue.Empty: + # No exceptions thrown, success + pass + finally: + stop_event.set() + for runner in runners: + runner.join() + runner = None + server.stop(0) + +if __name__ == '__main__': + run_test(_args()) diff --git a/src/python/grpcio_tests/tests/stress/metrics_server.py b/src/python/grpcio_tests/tests/stress/metrics_server.py new file mode 100644 index 0000000000..b994e4643e --- /dev/null +++ b/src/python/grpcio_tests/tests/stress/metrics_server.py @@ -0,0 +1,60 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""MetricsService for publishing stress test qps data.""" + +import time + +from src.proto.grpc.testing import metrics_pb2 + +GAUGE_NAME = 'python_overall_qps' + + +class MetricsServer(metrics_pb2.BetaMetricsServiceServicer): + + def __init__(self, histogram): + self._start_time = time.time() + self._histogram = histogram + + def _get_qps(self): + count = self._histogram.get_data().count + delta = time.time() - self._start_time + self._histogram.reset() + self._start_time = time.time() + return int(count/delta) + + def GetAllGauges(self, request, context): + qps = self._get_qps() + return [metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps)] + + def GetGauge(self, request, context): + if request.name != GAUGE_NAME: + raise Exception('Gauge {} does not exist'.format(request.name)) + qps = self._get_qps() + return metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps) diff --git a/src/python/grpcio_tests/tests/stress/test_runner.py b/src/python/grpcio_tests/tests/stress/test_runner.py new file mode 100644 index 0000000000..88f13727e3 --- /dev/null +++ b/src/python/grpcio_tests/tests/stress/test_runner.py @@ -0,0 +1,73 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Thread that sends random weighted requests on a TestService stub.""" + +import random +import threading +import time +import traceback + + +def _weighted_test_case_generator(weighted_cases): + weight_sum = sum(weighted_cases.itervalues()) + + while True: + val = random.uniform(0, weight_sum) + partial_sum = 0 + for case in weighted_cases: + partial_sum += weighted_cases[case] + if val <= partial_sum: + yield case + break + + +class TestRunner(threading.Thread): + + def __init__(self, stub, test_cases, hist, exception_queue, stop_event): + super(TestRunner, self).__init__() + self._exception_queue = exception_queue + self._stop_event = stop_event + self._stub = stub + self._test_cases = _weighted_test_case_generator(test_cases) + self._histogram = hist + + def run(self): + while not self._stop_event.is_set(): + try: + test_case = next(self._test_cases) + start_time = time.time() + test_case.test_interoperability(self._stub, None) + end_time = time.time() + self._histogram.add((end_time - start_time)*1e9) + except Exception as e: + traceback.print_exc() + self._exception_queue.put( + Exception("An exception occured during test {}" + .format(test_case), e)) |