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#! /bin/bash
#Need to be copied to hooks/<HOOKS_VER>/stop/pre
#TODO: All gluster and samba paths are assumed for fedora like systems.
#Some efforts are required to make it work on other distros.
#The preferred way of creating a smb share of a gluster volume has changed.
#The old method was to create a fuse mount of the volume and share the mount
#point through samba.
#
#New method eliminates the requirement of fuse mount and changes in fstab.
#glusterfs_vfs plugin for samba makes call to libgfapi to access the volume.
#
#This hook script automagically removes shares for volume on every volume stop
#event by removing the volume related entries(if any) in smb.conf file.
PROGNAME="Ssamba-stop"
OPTSPEC="volname:"
VOL=
CONFIGFILE=
PIDDIR=
function parse_args () {
ARGS=$(getopt -l $OPTSPEC -name $PROGNAME "$@")
eval set -- "$ARGS"
while true; do
case $1 in
--volname)
shift
VOL=$1
;;
*)
shift
break
;;
esac
shift
done
}
function find_config_info () {
cmdout=`smbd -b | grep smb.conf`
if [ $? -ne 0 ];then
echo "Samba is not installed"
exit 1
fi
CONFIGFILE=`echo $cmdout | awk '{print $2}'`
PIDDIR=`smbd -b | grep PIDDIR | awk '{print $2}'`
}
function del_samba_share () {
volname=$1
sed -i "/\[gluster-$volname\]/,/^$/d" ${CONFIGFILE}
}
function sighup_samba () {
pid=`cat ${PIDDIR}/smbd.pid`
if [ "x$pid" != "x" ]
then
kill -HUP $pid;
else
service smb condrestart
fi
}
parse_args "$@"
find_config_info
del_samba_share $VOL
sighup_samba
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