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_service:tar_scm:hdfs-create-dirs
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File _service:tar_scm:hdfs-create-dirs of Package hadoop
#!/bin/bash hdfs_dirs="/user /var/log /tmp" mapred_dirs="/tmp/hadoop-yarn/staging /tmp/hadoop-yarn/staging/history /tmp/hadoop-yarn/staging/history/done /tmp/hadoop-yarn/staging/history/done_intermediate" yarn_dirs="/tmp/hadoop-yarn /var/log/hadoop-yarn" # Must be run as root if [[ $EUID -ne 0 ]] then echo "This must be run as root" 1>&2 exit 1 fi # Start the namenode if it isn't running started=0 systemctl status hadoop-namenode > /dev/null 2>&1 rc=$? if [[ $rc -gt 0 ]] then # Format the namenode if it hasn't been formatted runuser hdfs -s /bin/bash /bin/bash -c "hdfs namenode -format -nonInteractive" > /dev/null 2>&1 if [[ $? -eq 0 ]] then echo "Formatted the Hadoop namenode" fi echo "Starting the Hadoop namenode" systemctl start hadoop-namenode > /dev/null 2>&1 rc=$? started=1 fi if [[ $rc -ne 0 ]] then echo "The Hadoop namenode failed to start" exit 1 fi for dir in $hdfs_dirs $yarn_dirs $mapred_dirs do echo "Creating directory $dir" runuser hdfs -s /bin/bash /bin/bash -c "hadoop fs -mkdir -p $dir" > /dev/null 2>&1 done echo "Setting permissions on /tmp" runuser hdfs -s /bin/bash /bin/bash -c "hadoop fs -chmod 1777 /tmp" > /dev/null 2>&1 for dir in $mapred_dirs do echo "Setting permissions and ownership for $dir" runuser hdfs -s /bin/bash /bin/bash -c "hadoop fs -chown mapred:mapred $dir" > /dev/null 2>&1 runuser hdfs -s /bin/bash /bin/bash -c "hadoop fs -chmod 1777 $dir" > /dev/null 2>&1 done for dir in $yarn_dirs do echo "Setting permissions and ownership for $dir" runuser hdfs -s /bin/bash /bin/bash -c "hadoop fs -chown yarn:mapred $dir" > /dev/null 2>&1 done # Stop the namenode if we started it if [[ $started -gt 0 ]] then echo "Stopping the Hadoop namenode" systemctl stop hadoop-namenode > /dev/null 2>&1 fi
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