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123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
import os
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import pytest
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import sys
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import grpc
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from helpers.cluster import ClickHouseCluster, run_and_check
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# The test cluster is configured with certificate for that host name, see 'server-ext.cnf'.
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# The client have to verify server certificate against that name. Client uses SNI
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SSL_HOST = "integration-tests.clickhouse.com"
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GRPC_PORT = 9100
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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DEFAULT_ENCODING = "utf-8"
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# Use grpcio-tools to generate *pb2.py files from *.proto.
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proto_dir = os.path.join(SCRIPT_DIR, "./protos")
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gen_dir = os.path.join(SCRIPT_DIR, "./_gen")
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os.makedirs(gen_dir, exist_ok=True)
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run_and_check(
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"python3 -m grpc_tools.protoc -I{proto_dir} --python_out={gen_dir} --grpc_python_out={gen_dir} \
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{proto_dir}/clickhouse_grpc.proto".format(
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proto_dir=proto_dir, gen_dir=gen_dir
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),
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shell=True,
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)
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sys.path.append(gen_dir)
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import clickhouse_grpc_pb2
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import clickhouse_grpc_pb2_grpc
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# Utilities
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config_dir = os.path.join(SCRIPT_DIR, "./configs")
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node",
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main_configs=[
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"configs/grpc_config.xml",
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"configs/server-key.pem",
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"configs/server-cert.pem",
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"configs/ca-cert.pem",
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],
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# Bug in TSAN reproduces in this test https://github.com/grpc/grpc/issues/29550#issuecomment-1188085387
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env_variables={
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"TSAN_OPTIONS": "report_atomic_races=0 " + os.getenv("TSAN_OPTIONS")
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},
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)
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def get_grpc_url(instance=node):
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return f"{instance.ip_address}:{GRPC_PORT}"
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def create_secure_channel():
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ca_cert = open(os.path.join(config_dir, "ca-cert.pem"), "rb").read()
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client_key = open(os.path.join(config_dir, "client-key.pem"), "rb").read()
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client_cert = open(os.path.join(config_dir, "client-cert.pem"), "rb").read()
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credentials = grpc.ssl_channel_credentials(ca_cert, client_key, client_cert)
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channel = grpc.secure_channel(
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get_grpc_url(),
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credentials,
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options=(("grpc.ssl_target_name_override", SSL_HOST),),
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)
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grpc.channel_ready_future(channel).result(timeout=10)
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return channel
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def create_insecure_channel():
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channel = grpc.insecure_channel(get_grpc_url())
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grpc.channel_ready_future(channel).result(timeout=2)
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return channel
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def create_secure_channel_with_wrong_client_certificate():
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ca_cert = open(os.path.join(config_dir, "ca-cert.pem"), "rb").read()
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client_key = open(os.path.join(config_dir, "wrong-client-key.pem"), "rb").read()
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client_cert = open(os.path.join(config_dir, "wrong-client-cert.pem"), "rb").read()
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credentials = grpc.ssl_channel_credentials(ca_cert, client_key, client_cert)
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channel = grpc.secure_channel(get_grpc_url(), credentials)
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grpc.channel_ready_future(channel).result(timeout=2)
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return channel
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def query(query_text, channel):
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query_info = clickhouse_grpc_pb2.QueryInfo(query=query_text)
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(channel)
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result = stub.ExecuteQuery(query_info)
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if result and result.HasField("exception"):
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raise Exception(result.exception.display_text)
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return result.output.decode(DEFAULT_ENCODING)
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@pytest.fixture(scope="module", autouse=True)
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def start_cluster():
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cluster.start()
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try:
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yield cluster
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finally:
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cluster.shutdown()
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# Actual tests
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def test_secure_channel():
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with create_secure_channel() as channel:
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assert query("SELECT 'ok'", channel) == "ok\n"
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def test_insecure_channel():
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with pytest.raises(grpc.FutureTimeoutError):
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with create_insecure_channel() as channel:
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query("SELECT 'ok'", channel)
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def test_wrong_client_certificate():
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with pytest.raises(grpc.FutureTimeoutError):
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with create_insecure_channel() as channel:
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query("SELECT 'ok'", channel)
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