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#/bin/bash

#This script is called by glusterd when the user
#tries to export a volume via NFS-Ganesha.
#An export file specific to a volume
#is created in GANESHA_DIR/exports.

GANESHA_DIR=${1%/}
VOL=$2
CONF=
CONFFILE=

function check_cmd_status()
{
        if [ "$1" != "0" ]
                 then
                 rm -rf $GANESHA_DIR/exports/export.$VOL.conf
                 exit 1
        fi
}


if [ ! -d "$GANESHA_DIR/exports" ];
        then
        mkdir $GANESHA_DIR/exports
        check_cmd_status `echo $?`
fi

function find_rhel7_conf
{
 while [[ $# > 0 ]]
        do
                key="$1"
                case $key in
                        -f)
                         CONFFILE="$2"
                         ;;
                         *)
                         ;;
                 esac
                 shift
         done
}

cfgline=$(grep ^CONFFILE= /etc/sysconfig/ganesha)
eval $(echo ${cfgline} | grep -F ^CONFFILE=)

if [ -z $CONFFILE ]
        then
        cfgline=$(grep ^OPTIONS= /etc/sysconfig/ganesha)
        eval $(echo ${cfgline} | grep -F ^OPTIONS=)
        find_rhel7_conf $cfgline

fi
CONF=${CONFFILE:-/etc/ganesha/ganesha.conf}

function write_conf()
{
echo -e "# WARNING : Using Gluster CLI will overwrite manual
# changes made to this file. To avoid it, edit the
# file and run ganesha-ha.sh --refresh-config."

echo "EXPORT{"
echo "      Export_Id = 2;"
echo "      Path = \"/$VOL\";"
echo "      FSAL {"
echo "           name = "GLUSTER";"
echo "           hostname=\"localhost\";"
echo  "          volume=\"$VOL\";"
echo "           }"
echo "      Access_type = RW;"
echo "      Disable_ACL = true;"
echo '      Squash="No_root_squash";'
echo "      Pseudo=\"/$VOL\";"
echo '      Protocols = "3", "4" ;'
echo '      Transports = "UDP","TCP";'
echo '      SecType = "sys";'
echo "     }"
}

write_conf $@ > $GANESHA_DIR/exports/export.$VOL.conf
if ! (cat $CONF | grep  $VOL.conf$ )
then
echo "%include \"$GANESHA_DIR/exports/export.$VOL.conf\"" >> $CONF
fi