#!/usr/bin/env 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.
#

# Default to standard python3 interpreter unless told otherwise
if [[ -z "$PYSPARK_PYTHON" ]]; then
  PYSPARK_PYTHON=python3
fi

if [ -z "${SPARK_HOME}" ]; then
  source "$(dirname "$0")"/find-spark-home
fi

# Add the PySpark classes to the Python path:
export PYTHONPATH="${SPARK_HOME}/python/:$PYTHONPATH"
export PYTHONPATH="${SPARK_HOME}/python/lib/py4j-0.10.9.9-src.zip:$PYTHONPATH"

SDP_CLI_PY_FILE_PATH=$("${PYSPARK_PYTHON}" - <<'EOF'
import pyspark, os
from pathlib import Path
print(Path(os.path.dirname(pyspark.__file__)) / "pipelines" / "cli.py")
EOF
)

exec "${SPARK_HOME}"/bin/spark-class org.apache.spark.deploy.SparkPipelines "$SDP_CLI_PY_FILE_PATH" "$@"
