hadoop/hadoop-common-project/hadoop-common/src/main/packages/hadoop-create-user.sh

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#!/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.
this="${BASH_SOURCE-$0}"
bin=$(cd -P -- "$(dirname -- "$this")" && pwd -P)
script="$(basename -- "$this")"
this="$bin/$script"
if [ "$HADOOP_HOME" != "" ]; then
echo "Warning: \$HADOOP_HOME is deprecated."
echo
fi
DEFAULT_LIBEXEC_DIR="$bin"/../libexec
HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}
. $HADOOP_LIBEXEC_DIR/hadoop-config.sh
usage() {
echo "
usage: $0 <parameters>
Require parameter:
--config /etc/hadoop Location of Hadoop configuration file
-u <username> Create user on HDFS
Optional parameters:
-h Display this message
--kerberos-realm=KERBEROS.EXAMPLE.COM Set Kerberos realm
--super-user=hdfs Set super user id
--super-user-keytab=/etc/security/keytabs/hdfs.keytab Set super user keytab location
"
exit 1
}
OPTS=$(getopt \
-n $0 \
-o '' \
-l 'kerberos-realm:' \
-l 'super-user:' \
-l 'super-user-keytab:' \
-o 'h' \
-o 'u' \
-- "$@")
if [ $? != 0 ] ; then
usage
exit 1
fi
create_user() {
if [ "${SETUP_USER}" = "" ]; then
break
fi
HADOOP_HDFS_USER=${HADOOP_HDFS_USER:-hdfs}
export HADOOP_PREFIX
export HADOOP_CONF_DIR
export JAVA_HOME
export SETUP_USER=${SETUP_USER}
export SETUP_PATH=/user/${SETUP_USER}
if [ ! "${KERBEROS_REALM}" = "" ]; then
# locate kinit cmd
if [ -e /etc/lsb-release ]; then
KINIT_CMD="/usr/bin/kinit -kt ${HDFS_USER_KEYTAB} ${HADOOP_HDFS_USER}"
else
KINIT_CMD="/usr/kerberos/bin/kinit -kt ${HDFS_USER_KEYTAB} ${HADOOP_HDFS_USER}"
fi
su -c "${KINIT_CMD}" ${HADOOP_HDFS_USER}
fi
su -c "${HADOOP_PREFIX}/bin/hadoop --config ${HADOOP_CONF_DIR} fs -mkdir ${SETUP_PATH}" ${HADOOP_HDFS_USER}
su -c "${HADOOP_PREFIX}/bin/hadoop --config ${HADOOP_CONF_DIR} fs -chown ${SETUP_USER}:${SETUP_USER} ${SETUP_PATH}" ${HADOOP_HDFS_USER}
su -c "${HADOOP_PREFIX}/bin/hadoop --config ${HADOOP_CONF_DIR} fs -chmod 711 ${SETUP_PATH}" ${HADOOP_HDFS_USER}
if [ "$?" == "0" ]; then
echo "User directory has been setup: ${SETUP_PATH}"
fi
}
eval set -- "${OPTS}"
while true; do
case "$1" in
-u)
shift
;;
--kerberos-realm)
KERBEROS_REALM=$2; shift 2
;;
--super-user)
HADOOP_HDFS_USER=$2; shift 2
;;
--super-user-keytab)
HDFS_USER_KEYTAB=$2; shift 2
;;
-h)
usage
;;
--)
while shift; do
SETUP_USER=$1
create_user
done
break
;;
*)
echo "Unknown option: $1"
usage
exit 1
;;
esac
done