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This patch ports the implementation of GSSAPI authentication over http transport from Impyla (https://github.com/cloudera/impyla/pull/415) to impala-shell. The implementation adds a new dependency on 'kerberos' python module, which is a pip-installed module distributed under Apache License Version 2. When using impala-shell with Kerberos over http, it is assumed that the host has a preexisting kinit-cached Kerberos ticket that impala-shell can pass to the server automatically without the user to reenter the password. Testing: - Passed exhaustive tests. - Tested manually on a real cluster with a full Kerberos setup. Change-Id: Ia59ba4004490735162adbd468a00a962165c5abd Reviewed-on: http://gerrit.cloudera.org:8080/18493 Reviewed-by: Csaba Ringhofer <csringhofer@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
To install new packages: 1) Add your package to deps/requirements.txt, or deps/compiled-requirements.txt if the the package needs a C/C++ compiler to build . You should specify the version number using the "foo == x.y.z" notation so future upgrades can be done automatically. 2) Run deps/download_requirements, it will download the package to the deps dir. 3) Run the "impala-python" command, this should detect that requirements.txt changed and automatically rebuild the virtualenv. 4) Now in the python prompt, you should be able to import the new module. To upgrade a package: 1) Edit deps/requirement.txt to use the version you need. 2) Go to step 2 above.