Manuel Amador (Rudd-O) 05c020e1f6 Source code committed
2010-08-11 09:13:29 -07:00

102 lines
1.6 KiB
Bash
Executable File

#!/usr/bin/env bash
# $Id: listvmdisk.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/zfs/iscsi/listvmdisk.sh $
# listvmdisk.sh -- list disks of a VM (iscsi mode)
# Bugs: does not handle hexadecimal numbers. Decimal only!
usage() {
printf "Usage: %s: -i <instance-fs> [-r | -w | -d <num> ] \n" $(basename $0) >&2
}
path_and_iqn() {
local ifs=$1
local pattern=$2
local diskvol=$(zfs list -r -H -o name -t volume $ifs | grep $pattern)
if [ "$diskvol" != "" ]
then
local tgtname=$(iscsitadm list target $diskvol | grep Name | awk '{print $3}')
fi
if [ $? -gt 0 ]
then
return 6
fi
if [ "$diskvol" != "" -a "$tgtname" != "" ]
then
printf "$diskvol,$tgtname\n"
return 0
fi
return 0
}
#set -x
iflag=
rflag=
dflag=
wflag=
disknum=
instancefs=
while getopts 'i:d:rw' OPTION
do
case $OPTION in
i) iflag=1
instancefs="$OPTARG"
;;
d) dflag=1
disknum="$OPTARG"
;;
r) rflag=1
;;
w) wflag=1
;;
?) usage
exit 2
;;
esac
done
if [ "$iflag" != "1" -a "$rflag$dflag$wflag" != "1" ]
then
usage
exit 2
fi
if [ ${instancefs:0:1} == / ]
then
instancefs=${instancefs:1}
fi
if [[ $(zfs get -H -o value -p type $instancefs) != filesystem ]]
then
printf "Supplied instance fs doesn't exist\n" >&2
exit 1
fi
if [ "$rflag" == 1 ]
then
path_and_iqn $instancefs "root"
exit $?
fi
if [ "$wflag" == 1 ]
then
path_and_iqn $instancefs "swap"
exit $?
fi
if [ "$dflag" == 1 ]
then
if [[ $disknum -eq 0 ]]
then
path_and_iqn $instancefs "root"
else
path_and_iqn $instancefs "datadisk"$disknum
fi
exit $?
fi
exit 0