Needed for python 3 compatibility.
Note that we had to amend the make_shell_tarball.sh to account for the
fact that execfile has been removed from python 3.
Tested by running gerrit-verify-dryrun, and also confirmed I can connect
to a kerberized host.
$ <path_to>/impala-shell-4.0.0-SNAPSHOT/impala-shell -k --ssl -i host.redacted.com
Starting Impala Shell with Kerberos authentication using Python 2.7.12
Using service name 'impala'
SSL is enabled. Impala server certificates will NOT be verified (set --ca_cert to change)
No handlers could be found for logger "thrift.transport.sslcompat"
Opened TCP connection to host.redacted.com:21000
Connected to host.redacted.com:21000
Server version: impalad version 3.4.0-SNAPSHOT RELEASE (build d17bc21...)
***********************************************************************************
Welcome to the Impala shell.
(Impala Shell v4.0.0-SNAPSHOT (7af6a8d) built on Tue May 5 10:39:12 PDT 2020)
To see more tips, run the TIP command.
***********************************************************************************
[host.redacted.com:21000] default>
Change-Id: Ibd02055d33e2da504eccd571f1f209ae2e5b7876
Reviewed-on: http://gerrit.cloudera.org:8080/15859
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>
