[Impala-ASF-CR] IMPALA-11126: impala-shell: Support configurable socket timeout for http client

["Abhishek Rawat (Code Review)" <ge...@cloudera.org>]

Abhishek Rawat has uploaded a new patch set (#5). ( http://gerrit.cloudera.org:8080/18336 )

Change subject: IMPALA-11126: impala-shell: Support configurable socket timeout for http client
......................................................................

IMPALA-11126: impala-shell: Support configurable socket timeout for http
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: Ran e2e shell tests.

Change-Id: I29fa4ff96cdcf154c3aac7e43340af60d7d61e94
---
M shell/ImpalaHttpClient.py
M shell/impala_client.py
M shell/impala_shell.py
M shell/impala_shell_config_defaults.py
M shell/option_parser.py
5 files changed, 31 insertions(+), 6 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/36/18336/5
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I29fa4ff96cdcf154c3aac7e43340af60d7d61e94
Gerrit-Change-Number: 18336
Gerrit-PatchSet: 5
Gerrit-Owner: Abhishek Rawat <ar...@cloudera.com>
Gerrit-Reviewer: Abhishek Rawat <ar...@cloudera.com>
Gerrit-Reviewer: Andrew Sherman <as...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>