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8e755e7571
client In 'hs2-http' mode, the socket timeout is None, which could cause hang like symptoms in case of a problematic remote server. Added support for configurable socket timeout using the new impala-shell config option '--http_socket_timeout_s'. If a reasonable timeout is set, impala-shell client can retry in case of connection issues, when possible. The default value of '--http_socket_timeout_s' is set to None, to prevent behavior changes for existing clients. More details on socket timeout here: https://docs.python.org/3/library/socket.html#socket-timeouts Testing: - Added tests for various timeout values in test_shell_commandline.py - Ran e2e shell tests. Change-Id: I29fa4ff96cdcf154c3aac7e43340af60d7d61e94 Reviewed-on: http://gerrit.cloudera.org:8080/18336 Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com> Reviewed-by: Csaba Ringhofer <csringhofer@cloudera.com>
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# 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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# default options used by the Impala shell stored in a dict
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from __future__ import print_function, unicode_literals
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import getpass
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import os
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import socket
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_histfile_from_env = os.environ.get(
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'IMPALA_HISTFILE', '~/.impalahistory')
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impala_shell_defaults = {
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'ca_cert': None,
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'config_file': os.path.expanduser("~/.impalarc"),
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'default_db': None,
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'history_file': _histfile_from_env,
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'history_max': 1000,
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'ignore_query_failure': False,
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'impalad': socket.getfqdn(),
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'kerberos_host_fqdn': None,
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'kerberos_service_name': 'impala',
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'output_delimiter': '\\t',
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'output_file': None,
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'print_header': False,
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'live_progress': True, # The option only applies to interactive shell session
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'live_summary': False,
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'query': None,
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'query_file': None,
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'show_profiles': False,
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'ssl': False,
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'use_kerberos': False,
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'use_ldap': False,
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'user': getpass.getuser(),
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'verbose': True,
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'version': False,
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'write_delimited': False,
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'client_connect_timeout_ms': 60000,
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'http_socket_timeout_s': None,
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'global_config_default_path': '/etc/impalarc',
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'strict_hs2_protocol': False,
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}
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