统计ceph 指定存储池里面的rbd/已分配rbd 总容量小脚本

#!/bin/bash

if [ $# != 1 ]; then
        echo "USAGE: $0 pool_name"
        exit 1;
fi

sum=0
x=0.001

for i in `rbd ls $1`
do
        s=`rbd info $1/$i | grep size |cut -d' ' -f2`
        u=`rbd info $1/$i | grep size |cut -d' ' -f3`
        if [ "$u" == "KiB" ]; then
                s=`echo $(echo "$s*$x*$x"|bc)`
                sum=`echo $(echo "$sum+$s"|bc)`
        elif [ "$u" == "MiB" ]; then
                s=`echo $(echo "$s*$x"|bc)`
                sum=`echo $(echo "$sum+$s"|bc)`
        elif [ "$u" == "GiB" ]; then
                sum=`echo $(echo "$sum+$s"|bc)`
        elif [ "$u" == "TiB" ]; then
                s=`echo $(echo "$s*1000"|bc)`
                sum=`echo $(echo "$sum+$s"|bc)`
        fi
        echo $i $s $u "   "$sum
done