CREATE NAMENODE BACKUP

#!/bin/bash

nameNode=namenode.Cloudera.com
timeStamp=$(date +%Y-%m-%d-%H)
workDir="/Backup/Hadoop_Namenode_backup/Backup"
targetDir="/Backup/Hadoop_Namenode_backup/zipfiles"
logfile="/var/log/namenode/${nameNode}.log.${timeStamp}"

curl -s http://${nameNode}:50070/getimage?getimage=1 > $workDir/fsimage
curl -s http://${nameNode}:50070/getimage?getedit=1 > $workDir/edits

zip -j $targetDir/namenode.${timeStamp}.zip $workDir/* 1>> ${logfile} 2>> ${logfile}

rm -f $workDir/edits 1>> ${logfile} 2>> ${logfile}
rm -f $workDir/fsimage 1>> ${logfile} 2>> ${logfile}

###Retension Policy
find ${targetDir} -name "*.zip" -mtime +5 -exec rm -rf {} \; 1>> ${logfile} 2>> ${logfile}

exit 0