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8ee18c3b77
Adds a flag --rpc_use_loopback that causes two differences in behaviour when enabled: 1. KRPC will listen on all interfaces, i.e. bind the socket to INADDR_ANY. 2. KRPC RPCs to --hostname are sent to 127.0.0.1 instead of the IP (maybe external) that --hostname resolves to. There is no change in default behaviour, except in containers, where this flag is enabled by default. Testing: * Added a custom cluster test, which runs in exhaustive, as a sanity test for the behaviour of the flag. Change-Id: I9dbd477769ed49c05e624f06da4e51afaaf1670d Reviewed-on: http://gerrit.cloudera.org:8080/13592 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import pytest
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import socket
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from tests.common.custom_cluster_test_suite import CustomClusterTestSuite
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from tests.common.impala_cluster import DEFAULT_KRPC_PORT
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class TestKrpcOptions(CustomClusterTestSuite):
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"""Test for different options when using KRPC."""
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@classmethod
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def get_workload(self):
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return 'functional-query'
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@classmethod
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def setup_class(cls):
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if cls.exploration_strategy() != 'exhaustive':
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pytest.skip('runs only in exhaustive')
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super(TestKrpcOptions, cls).setup_class()
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@pytest.mark.execute_serially
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@CustomClusterTestSuite.with_args("--rpc_use_loopback=true")
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def test_krpc_use_loopback(self, vector):
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"""Sanity test for the --rpc_use_loopback flag."""
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# Run a query that will execute on multiple hosts.
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self.client.execute("select min(int_col) from functional_parquet.alltypes")
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# Check that we can connect on multiple interfaces.
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sock = socket.socket()
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sock.connect(("127.0.0.1", DEFAULT_KRPC_PORT))
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sock.close()
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sock = socket.socket()
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sock.connect((socket.gethostname(), DEFAULT_KRPC_PORT))
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sock.close()
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