hdfs_test.sh

#!/usr/bin/env bash
# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
#
# Licensed 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.
# ==============================================================================

set -e
set -o pipefail

HADOOP_RELEASE_TAG="3.2.1"
curl -OL https://github.com/big-data-europe/docker-hadoop/archive/refs/tags/$HADOOP_RELEASE_TAG.tar.gz
tar -xzf $HADOOP_RELEASE_TAG.tar.gz -C /tmp/
cd /tmp/docker-hadoop-$HADOOP_RELEASE_TAG
# Add following properties
# to prevent following error when closing the hdfs client:
#
# java.io.IOException: Failed to replace a bad datanode on the existing pipeline due to no more good datanodes
# being available to try.

echo "
HDFS_CONF_dfs_client_block_write_replace___datanode___on___failure_enable=true
HDFS_CONF_dfs_client_block_write_replace___datanode___on___failure_policy=NEVER" >> hadoop.env

docker-compose up -d
echo "Hadoop up"
exit 0