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# Copyright 2015, 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.
"""The Python implementation of the GRPC interoperability test client."""
import argparse
from oauth2client import client as oauth2client_client
import grpc
from grpc.beta import implementations
from src.proto.grpc.testing import test_pb2
from tests.interop import methods
from tests.interop import resources
def _args():
parser = argparse.ArgumentParser()
parser.add_argument(
'--server_host', help='the host to which to connect', type=str,
default="127.0.0.1")
parser.add_argument(
'--server_port', help='the port to which to connect', type=int)
parser.add_argument(
'--test_case', help='the test case to execute', type=str,
default="large_unary")
parser.add_argument(
'--use_tls', help='require a secure connection', default=False,
type=resources.parse_bool)
parser.add_argument(
'--use_test_ca', help='replace platform root CAs with ca.pem',
default=False, type=resources.parse_bool)
parser.add_argument(
'--server_host_override', default="foo.test.google.fr",
help='the server host to which to claim to connect', type=str)
parser.add_argument('--oauth_scope', help='scope for OAuth tokens', type=str)
parser.add_argument(
'--default_service_account',
help='email address of the default service account', type=str)
return parser.parse_args()
def _application_default_credentials():
return oauth2client_client.GoogleCredentials.get_application_default()
def _stub(args):
target = '{}:{}'.format(args.server_host, args.server_port)
if args.test_case == 'oauth2_auth_token':
google_credentials = _application_default_credentials()
scoped_credentials = google_credentials.create_scoped([args.oauth_scope])
access_token = scoped_credentials.get_access_token().access_token
call_credentials = grpc.access_token_call_credentials(access_token)
elif args.test_case == 'compute_engine_creds':
google_credentials = _application_default_credentials()
scoped_credentials = google_credentials.create_scoped([args.oauth_scope])
# TODO(https://github.com/grpc/grpc/issues/6799): Eliminate this last
# remaining use of the Beta API.
call_credentials = implementations.google_call_credentials(
scoped_credentials)
elif args.test_case == 'jwt_token_creds':
google_credentials = _application_default_credentials()
# TODO(https://github.com/grpc/grpc/issues/6799): Eliminate this last
# remaining use of the Beta API.
call_credentials = implementations.google_call_credentials(
google_credentials)
else:
call_credentials = None
if args.use_tls:
if args.use_test_ca:
root_certificates = resources.test_root_certificates()
else:
root_certificates = None # will load default roots.
channel_credentials = grpc.ssl_channel_credentials(root_certificates)
if call_credentials is not None:
channel_credentials = grpc.composite_channel_credentials(
channel_credentials, call_credentials)
channel = grpc.secure_channel(
target, channel_credentials,
(('grpc.ssl_target_name_override', args.server_host_override,),))
else:
channel = grpc.insecure_channel(target)
if args.test_case == "unimplemented_service":
return test_pb2.UnimplementedServiceStub(channel)
else:
return test_pb2.TestServiceStub(channel)
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 "%s"!' % test_case_arg)
def test_interoperability():
args = _args()
stub = _stub(args)
test_case = _test_case_from_arg(args.test_case)
test_case.test_interoperability(stub, args)
if __name__ == '__main__':
test_interoperability()
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