scripts/docker/install_additional_dependencies.sh

#!/usr/bin/env bash
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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# shellcheck disable=SC2086
set -euo pipefail

test -v UPGRADE_TO_NEWER_DEPENDENCIES
test -v ADDITIONAL_PYTHON_DEPS
test -v EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS
test -v AIRFLOW_INSTALL_USER_FLAG
test -v AIRFLOW_PIP_VERSION
test -v CONTINUE_ON_PIP_CHECK_FAILURE

# shellcheck source=scripts/docker/common.sh
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"


set -x

# Installs additional dependencies passed as Argument to the Docker build command
function install_additional_dependencies() {
    if [[ "${UPGRADE_TO_NEWER_DEPENDENCIES}" != "false" ]]; then
        echo
        echo Installing additional dependencies while upgrading to newer dependencies
        echo
        pip install ${AIRFLOW_INSTALL_USER_FLAG} --upgrade --upgrade-strategy eager \
            ${ADDITIONAL_PYTHON_DEPS} ${EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS}
        # make sure correct PIP version is used
        pip install ${AIRFLOW_INSTALL_USER_FLAG} --upgrade "pip==${AIRFLOW_PIP_VERSION}"
        pip check || ${CONTINUE_ON_PIP_CHECK_FAILURE}
    else
        echo
        echo Installing additional dependencies upgrading only if needed
        echo
        pip install ${AIRFLOW_INSTALL_USER_FLAG} \
            --upgrade --upgrade-strategy only-if-needed \
            ${ADDITIONAL_PYTHON_DEPS}
        # make sure correct PIP version is used
        pip install ${AIRFLOW_INSTALL_USER_FLAG} --upgrade "pip==${AIRFLOW_PIP_VERSION}"
        pip check || ${CONTINUE_ON_PIP_CHECK_FAILURE}
    fi
}

common::get_airflow_version_specification
common::override_pip_version_if_needed
common::get_constraints_location

install_additional_dependencies