volcreate_new.sh

#!/bin/bash

if [ $# -ne 5 ]; then
	echo "usage: ./volcreate_new volname nbricks scount rcount brickdir"
	exit 1
fi

 
volname=$1
nbricks=$2
scount=$3
rcount=$4
brickdir=$5


cmd_prefix="gluster volume"
brick_list=" "

echo  -e "VOLNAME:\t$volname\nBRICK_CNT:\t$nbricks\nSTRPIPE_CNT:\t$scount\n\
REPLICA_CNT:\t$rcount\nBRICK_DIR:\t$brickdir"

if [ $nbricks -eq 0 ]; then
	echo "brick count can't be zero"
	exit 1;
fi

#check if brick dir exists
if [ ! -d $brickdir ]; then
	echo "brick directory doesn't exists"
	exit 1
fi

if [ ! -f "servers" ]; then
        echo "server file does not exists"
	exit 1
fi

#read server list#
i=0
while read line 
do
        a[i]=$line
        (( i++ ))
        
done < servers

j=0
while [ $j -lt $nbricks ] 
do
	val=`expr $j % $i`	
	host=${a[$val]}
	brick_list="$brick_list	$host:/$brickdir/$volname$j "
	(( j++ ))
		
done

echo -e "BRICK_LIST:$brick_list\n"

if [ "$scount" -eq "0" ] && [ "$rcount" -eq "0" ]; then
		#this volume is distribute
	$cmd_prefix create $volname $brick_list 	
	exit 0
fi


#find out what type of volume to be created
if [ "$rcount" -eq 0 ]; then
	#volume is either plain stripe or dist-stripe
	$cmd_prefix create $volname stripe $scount $brick_list
	

elif [ "$scount" -eq 0 ] ; then
	#this is plain replica or distributed-replicate
	$cmd_prefix create $volname replica $rcount $brick_list

else
	#this is stripe-replicate or distributed-stripe-replicate
	$cmd_prefix create $volname stripe $scount replica $rcount $brick_list

fi