cd7157784e
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1161332 13f79535-47bb-0310-9956-ffa450edef68
283 lines
9.4 KiB
Bash
283 lines
9.4 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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bin=`dirname "$0"`
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bin=`cd "$bin"; pwd`
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if [ "$HADOOP_HOME" != "" ]; then
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echo "Warning: \$HADOOP_HOME is deprecated."
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echo
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fi
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. "$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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Optional parameters:
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--auto Setup automatically
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--default Generate default config
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--conf-dir=/etc/hadoop Set config directory
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--datanode-dir=/var/lib/hadoop/hdfs/datanode Set datanode directory
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-h Display this message
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--jobtracker-url=hostname:9001 Set jobtracker url
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--log-dir=/var/log/hadoop Set log directory
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--hdfs-dir=/var/lib/hadoop/hdfs Set hdfs directory
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--mapred-dir=/var/lib/hadoop/mapred Set mapreduce directory
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--namenode-dir=/var/lib/hadoop/hdfs/namenode Set namenode directory
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--namenode-url=hdfs://hostname:9000/ Set namenode url
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--replication=3 Set replication factor
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--taskscheduler=org.apache.hadoop.mapred.JobQueueTaskScheduler Set task scheduler
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"
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exit 1
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}
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template_generator() {
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REGEX='(\$\{[a-zA-Z_][a-zA-Z_0-9]*\})'
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cat $1 |
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while read line ; do
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while [[ "$line" =~ $REGEX ]] ; do
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LHS=${BASH_REMATCH[1]}
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RHS="$(eval echo "\"$LHS\"")"
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line=${line//$LHS/$RHS}
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done
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echo $line >> $2
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done
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}
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OPTS=$(getopt \
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-n $0 \
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-o '' \
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-l 'auto' \
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-l 'conf-dir:' \
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-l 'default' \
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-l 'hdfs-dir:' \
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-l 'namenode-dir:' \
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-l 'datanode-dir:' \
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-l 'mapred-dir:' \
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-l 'namenode-url:' \
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-l 'jobtracker-url:' \
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-l 'log-dir:' \
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-l 'replication:' \
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-l 'taskscheduler:' \
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-o 'h' \
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-- "$@")
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if [ $? != 0 ] ; then
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usage
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fi
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# Make sure the HADOOP_LOG_DIR is not picked up from user environment.
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unset HADOOP_LOG_DIR
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# Parse script parameters
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eval set -- "${OPTS}"
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while true ; do
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case "$1" in
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--auto)
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AUTOSETUP=1
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AUTOMATED=1
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shift
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;;
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--conf-dir)
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HADOOP_CONF_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--default)
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AUTOMATED=1; shift
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;;
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-h)
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usage
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;;
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--hdfs-dir)
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HADOOP_HDFS_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--namenode-dir)
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HADOOP_NN_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--datanode-dir)
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HADOOP_DN_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--mapred-dir)
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HADOOP_MAPRED_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--namenode-url)
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HADOOP_NN_HOST=$2; shift 2
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AUTOMATED=1
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;;
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--jobtracker-url)
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HADOOP_JT_HOST=$2; shift 2
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AUTOMATED=1
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;;
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--log-dir)
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HADOOP_LOG_DIR=$2; shift 2
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AUTOMATED=1
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;;
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--replication)
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HADOOP_REPLICATION=$2; shift 2
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AUTOMATED=1
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;;
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--taskscheduler)
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HADOOP_TASK_SCHEDULER=$2; shift 2
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AUTOMATED=1
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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: $1"
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usage
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exit 1
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;;
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esac
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done
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# Fill in default values, if parameters have not been defined.
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AUTOSETUP=${AUTOSETUP:-1}
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JAVA_HOME=${JAVA_HOME:-/usr/java/default}
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HADOOP_NN_HOST=${HADOOP_NN_HOST:-hdfs://`hostname`:9000/}
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HADOOP_NN_DIR=${HADOOP_NN_DIR:-/var/lib/hadoop/hdfs/namenode}
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HADOOP_DN_DIR=${HADOOP_DN_DIR:-/var/lib/hadoop/hdfs/datanode}
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HADOOP_JT_HOST=${HADOOP_JT_HOST:-`hostname`:9001}
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HADOOP_HDFS_DIR=${HADOOP_HDFS_DIR:-/var/lib/hadoop/hdfs}
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HADOOP_MAPRED_DIR=${HADOOP_MAPRED_DIR:-/var/lib/hadoop/mapred}
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HADOOP_LOG_DIR=${HADOOP_LOG_DIR:-/var/log/hadoop}
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HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-/etc/hadoop}
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HADOOP_REPLICATION=${HADOOP_RELICATION:-3}
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HADOOP_TASK_SCHEDULER=${HADOOP_TASK_SCHEDULER:-org.apache.hadoop.mapred.JobQueueTaskScheduler}
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# Interactive setup wizard
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if [ "${AUTOMATED}" != "1" ]; then
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echo "Setup Hadoop Configuration"
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echo
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echo -n "Where would you like to put config directory? (${HADOOP_CONF_DIR}) "
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read USER_HADOOP_CONF_DIR
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echo -n "Where would you like to put log directory? (${HADOOP_LOG_DIR}) "
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read USER_HADOOP_LOG_DIR
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echo -n "What is the url of the namenode? (${HADOOP_NN_HOST}) "
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read USER_HADOOP_NN_HOST
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echo -n "Where would you like to put namenode data directory? (${HADOOP_NN_DIR}) "
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read USER_HADOOP_NN_DIR
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echo -n "Where would you like to put datanode data directory? (${HADOOP_DN_DIR}) "
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read USER_HADOOP_DN_DIR
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echo -n "What is the url of the jobtracker? (${HADOOP_JT_HOST}) "
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read USER_HADOOP_JT_HOST
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echo -n "Where would you like to put jobtracker/tasktracker data directory? (${HADOOP_MAPRED_DIR}) "
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read USER_HADOOP_MAPRED_DIR
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echo -n "Which taskscheduler would you like? (${HADOOP_TASK_SCHEDULER}) "
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read USER_HADOOP_TASK_SCHEDULER
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echo -n "Where is JAVA_HOME directory? (${JAVA_HOME}) "
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read USER_JAVA_HOME
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echo -n "Would you like to create directories/copy conf files to localhost? (Y/n) "
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read USER_AUTOSETUP
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echo
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JAVA_HOME=${USER_USER_JAVA_HOME:-$JAVA_HOME}
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HADOOP_NN_HOST=${USER_HADOOP_NN_HOST:-$HADOOP_NN_HOST}
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HADOOP_NN_DIR=${USER_HADOOP_NN_DIR:-$HADOOP_NN_DIR}
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HADOOP_DN_DIR=${USER_HADOOP_DN_DIR:-$HADOOP_DN_DIR}
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HADOOP_JT_HOST=${USER_HADOOP_JT_HOST:-$HADOOP_JT_HOST}
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HADOOP_HDFS_DIR=${USER_HADOOP_HDFS_DIR:-$HADOOP_HDFS_DIR}
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HADOOP_MAPRED_DIR=${USER_HADOOP_MAPRED_DIR:-$HADOOP_MAPRED_DIR}
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HADOOP_TASK_SCHEDULER=${HADOOP_TASK_SCHEDULER:-org.apache.hadoop.mapred.JobQueueTaskScheduler}
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HADOOP_LOG_DIR=${USER_HADOOP_LOG_DIR:-$HADOOP_LOG_DIR}
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HADOOP_CONF_DIR=${USER_HADOOP_CONF_DIR:-$HADOOP_CONF_DIR}
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AUTOSETUP=${USER_AUTOSETUP:-y}
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echo "Review your choices:"
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echo
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echo "Config directory : ${HADOOP_CONF_DIR}"
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echo "Log directory : ${HADOOP_LOG_DIR}"
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echo "Namenode url : ${HADOOP_NN_HOST}"
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echo "Namenode directory : ${HADOOP_NN_DIR}"
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echo "Datanode directory : ${HADOOP_DN_DIR}"
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echo "Jobtracker url : ${HADOOP_JT_HOST}"
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echo "Mapreduce directory : ${HADOOP_MAPRED_DIR}"
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echo "Task scheduler : ${HADOOP_TASK_SCHEDULER}"
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echo "JAVA_HOME directory : ${JAVA_HOME}"
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echo "Create dirs/copy conf files : ${AUTOSETUP}"
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echo
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echo -n "Proceed with generate configuration? (y/N) "
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read CONFIRM
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if [ "${CONFIRM}" != "y" ]; then
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echo "User aborted setup, exiting..."
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exit 1
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fi
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fi
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if [ "${AUTOSETUP}" == "1" ]; then
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# If user wants to setup local system automatically,
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# set config file generation location to HADOOP_CONF_DIR.
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DEST=${HADOOP_CONF_DIR}
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else
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# If user is only interested to generate config file locally,
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# place config files in the current working directory.
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DEST=`pwd`
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fi
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# remove existing config file, they are existed in current directory.
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rm -f ${DEST}/core-site.xml >/dev/null
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rm -f ${DEST}/hdfs-site.xml >/dev/null
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rm -f ${DEST}/mapred-site.xml >/dev/null
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rm -f ${DEST}/hadoop-env.sh >/dev/null
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# Generate config file with specified parameters.
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template_generator ${HADOOP_PREFIX}/share/hadoop/common/templates/core-site.xml ${DEST}/core-site.xml
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template_generator ${HADOOP_PREFIX}/share/hadoop/hdfs/templates/hdfs-site.xml ${DEST}/hdfs-site.xml
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template_generator ${HADOOP_PREFIX}/share/hadoop/mapreduce/templates/mapred-site.xml ${DEST}/mapred-site.xml
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template_generator ${HADOOP_CONF_DIR}/hadoop-env.sh.template ${DEST}/hadoop-env.sh
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chown root:hadoop ${DEST}/hadoop-env.sh
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chmod 755 ${DEST}/hadoop-env.sh
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# Setup directory path and copy config files, if AUTOSETUP is chosen.
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if [ "${AUTOSETUP}" == "1" -o "${AUTOSETUP}" == "y" ]; then
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mkdir -p ${HADOOP_HDFS_DIR}
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mkdir -p ${HADOOP_NN_DIR}
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mkdir -p ${HADOOP_DN_DIR}
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mkdir -p ${HADOOP_MAPRED_DIR}
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mkdir -p ${HADOOP_CONF_DIR}
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mkdir -p ${HADOOP_LOG_DIR}
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mkdir -p ${HADOOP_LOG_DIR}/hdfs
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mkdir -p ${HADOOP_LOG_DIR}/mapred
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chown hdfs:hadoop ${HADOOP_HDFS_DIR}
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chown hdfs:hadoop ${HADOOP_NN_DIR}
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chown hdfs:hadoop ${HADOOP_DN_DIR}
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chown mapred:hadoop ${HADOOP_MAPRED_DIR}
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chown root:hadoop ${HADOOP_LOG_DIR}
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chmod 775 ${HADOOP_LOG_DIR}
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chown hdfs:hadoop ${HADOOP_LOG_DIR}/hdfs
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chown mapred:hadoop ${HADOOP_LOG_DIR}/mapred
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echo "Configuration setup is completed."
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if [[ "$HADOOP_NN_HOST" =~ "`hostname`" ]]; then
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echo "Proceed to run hadoop-setup-hdfs.sh on namenode."
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fi
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else
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echo
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echo "Configuration file has been generated, please copy:"
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echo
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echo "core-site.xml"
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echo "hdfs-site.xml"
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echo "mapred-site.xml"
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echo "hadoop-env.sh"
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echo
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echo " to ${HADOOP_CONF_DIR} on all nodes, and proceed to run hadoop-setup-hdfs.sh on namenode."
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fi
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