aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/python/grpcio_tests/tests/interop/client.py
blob: f177896e8e6aaf1bdbc48d2d8d3e985a2200e86c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# 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()