Files
impala/shell/impala-shell
Joe McDonnell 07d5a93de6 IMPALA-12220: pip install ext-py dependencies in the shell tarball
The impala-shell tarball ships its external dependencies
by building eggs and including them in the ext-py* directories.
On Redhat 9 and Ubuntu 22, the impala-shell tarball encountered
a regression where the sasl package could not access its
Client class:
Error connecting: AttributeError, module 'sasl' has no attribute 'Client'

This only occurs when using eggs (which are zip files). The virtualenv
installs worked fine. Unpacking the eggs and using the content directly
also avoids the problem.

This reworks the shell tarball to instead build wheels and install
them with 'pip install'. This means that the external dependencies
are not packaged in eggs, and this avoids the issue with sasl. This
is a minimal change to avoid the issue until the shell tarball build
can be reworked more extensively.

Testing:
 - Ran shell tests on Redhat 9

Change-Id: I49403979c559b7f8bbe038865c06db6024468d72
Reviewed-on: http://gerrit.cloudera.org:8080/20095
Reviewed-by: Michael Smith <michael.smith@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
2023-06-21 05:21:01 +00:00

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#!/bin/bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# This script runs the Impala shell. Python is required.
#
# This script assumes that the supporting library files for the Impala shell are
# rooted in either the same directory that this script is in, or in a directory
# in the environment variable ${IMPALA_SHELL_HOME}.
#
# The required directories are:
# gen-py/ -- containing the Python thrift stubs for connecting to Impalad
# lib/ -- containing the Hive Beeswax libraries; note this directory exists only in the
# shell tarball, not the Impala repository, see make_shell_tarball.sh for details
# ext-py${VERSION}/ -- containing the external dependencies for the shell.
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
SHELL_HOME=${IMPALA_SHELL_HOME:-${SCRIPT_DIR}}
# Set the envrionment's locale settings to allow for utf-8 compatibility
export LC_CTYPE=${LC_CTYPE:-en_US.UTF-8}
# Select python version; prefer 2, use 3 if 2's absent. Allow override with envvar
PYTHON_EXE="${IMPALA_PYTHON_EXECUTABLE:-python}"
if ! command -v "${PYTHON_EXE}" > /dev/null; then
PYTHON_EXE=python3
fi
PYTHONPATH="${SHELL_HOME}/gen-py:${SHELL_HOME}/lib:${PYTHONPATH}"
# External dependencies are installed in /ext-py${PYTHON_VERSION}
PYTHON_VERSION=$("${PYTHON_EXE}" -c 'import sys; print(sys.version_info[0])')
PYTHONPATH="${SHELL_HOME}/ext-py${PYTHON_VERSION}:${PYTHONPATH}"
if [ ${PYTHON_VERSION} -eq 2 ]; then
# Python 2 requires the legacy pkg_resources.py code
PYTHONPATH="${PYTHONPATH}:${SHELL_HOME}/legacy"
fi
PYTHONPATH="${PYTHONPATH}" PYTHONIOENCODING='utf-8' exec ${PYTHON_EXE} \
${SHELL_HOME}/impala_shell.py "$@"