b7c2431f28
application directory (Arpit Gupta via Eric Yang) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1178876 13f79535-47bb-0310-9956-ffa450edef68
141 lines
3.6 KiB
Bash
141 lines
3.6 KiB
Bash
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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this="${BASH_SOURCE-$0}"
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bin=$(cd -P -- "$(dirname -- "$this")" && pwd -P)
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script="$(basename -- "$this")"
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this="$bin/$script"
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. "$bin"/../libexec/hadoop-config.sh
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usage() {
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echo "
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usage: $0 <parameters>
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Require parameter:
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--config /etc/hadoop Location of Hadoop configuration file
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--apps=<csl of apps:user hcat:hcat,hbase,hive:user> Apps you want to setup on hdfs
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If user is not specified, app name
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will be used as the user name as well
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Optional parameters:
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-h Display this message
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--kerberos-realm=KERBEROS.EXAMPLE.COM Set Kerberos realm
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--super-user=hdfs Set super user id
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--super-user-keytab=/etc/security/keytabs/hdfs.keytab Set super user keytab location
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"
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exit 1
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}
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OPTS=$(getopt \
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-n $0 \
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-o '' \
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-l 'kerberos-realm:' \
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-l 'super-user:' \
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-l 'super-user-keytab:' \
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-l 'apps:' \
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-o 'h' \
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-- "$@")
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if [ $? != 0 ] ; then
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usage
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exit 1
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fi
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function setup_apps
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{
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if [ -z $APPS ]
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then
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usage
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break
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fi
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#if super user is not set default to hdfs
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HADOOP_HDFS_USER=${HADOOP_HDFS_USER:-hdfs}
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if [ ! "${KERBEROS_REALM}" = "" ]; then
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# locate kinit cmd
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if [ -e /etc/lsb-release ]; then
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KINIT_CMD="/usr/bin/kinit -kt ${HDFS_USER_KEYTAB} ${HADOOP_HDFS_USER}"
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else
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KINIT_CMD="/usr/kerberos/bin/kinit -kt ${HDFS_USER_KEYTAB} ${HADOOP_HDFS_USER}"
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fi
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su -c "${KINIT_CMD}" ${HADOOP_HDFS_USER}
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fi
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#process each app
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oldIFS=$IFS
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IFS=','
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for app in $APPS
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do
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IFS=":"
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arr=($app)
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app=${arr[0]}
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user=${arr[1]}
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IFS=','
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#if user is empty, default it to app
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if [ -z $user ]
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then
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user=$app
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fi
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path="/apps/${app}"
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#create the dir
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cmd="su -c '${HADOOP_PREFIX}/bin/hadoop --config ${HADOOP_CONF_DIR} dfs -mkdir ${path}' ${HADOOP_HDFS_USER}"
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echo $cmd
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eval $cmd
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#make owner to be the app
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cmd="su -c '${HADOOP_PREFIX}/bin/hadoop --config ${HADOOP_CONF_DIR} dfs -chown ${user} ${path}' ${HADOOP_HDFS_USER}"
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echo $cmd
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eval $cmd
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if [ "$?" == "0" ]; then
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echo "App directory has been setup: ${path}"
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fi
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done
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IFS=$oldIFS
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}
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eval set -- "${OPTS}"
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while true; do
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case "$1" in
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--apps)
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APPS=$2; shift 2
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;;
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--kerberos-realm)
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KERBEROS_REALM=$2; shift 2
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;;
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--super-user)
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HADOOP_HDFS_USER=$2; shift 2
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;;
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--super-user-keytab)
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HDFS_USER_KEYTAB=$2; shift 2
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;;
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-h)
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usage
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;;
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--)
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shift ; break
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;;
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*)
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echo "Unknown option: $1"
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usage
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exit 1
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;;
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esac
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done
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setup_apps
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