clone hbase table

clone_hbase_table.sh

#!/bin/bash
#author: haiy
#date: Mon Mar 30 17:01:00 CST 2015
src=$1
dst=$2
tmp=$dst"_tmp"
red=$'\e[31m'
reset=$'\e[0m'
if [[ $# -lt 2 ]]; then
    echo "Usage: clone_table source_table_name target_table_name"
    echo "$red Warning:$reset Use this carefully! It'll delete the target table if it exists."
    exit
fi

log=$(pwd)/clone_table.log
#log=/dev/null
echo "delete_snapshot '$tmp';disable '$dst';" | hbase shell  > $log 2>&1
echo "drop '$dst';" | hbase shell >> $log 2>&1
echo "snapshot '$src', '$tmp';clone_snapshot '$tmp', '$dst';delete_snapshot '$tmp';" | hbase shell  >> $log 2>&1
stat=$(echo "exists '$dst'" | hbase shell | grep "does exist" | wc -l)
if [[ $stat -eq "1" ]]; then
    rm -f $log
    echo Clone Table Success!
    exit 0
else
    echo Clone Failed!Check $log .
    exit 1
fi