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#!/bin/bash
PROGNAME="Sganesha-start"
OPTSPEC="volname:,gd-workdir:"
VOL=
declare -i EXPORT_ID
ganesha_key="ganesha.enable"
GANESHA_DIR="/etc/ganesha"
CONF1="$GANESHA_DIR/ganesha.conf"
GLUSTERD_WORKDIR=
function parse_args ()
{
ARGS=$(getopt -l $OPTSPEC -o "o" -name $PROGNAME $@)
eval set -- "$ARGS"
while true; do
case $1 in
--volname)
shift
VOL=$1
;;
--gd-workdir)
shift
GLUSTERD_WORKDIR=$1
;;
*)
shift
break
;;
esac
shift
done
}
#This function generates a new export entry as export.volume_name.conf
function write_conf()
{
echo -e "# WARNING : Using Gluster CLI will overwrite manual
# changes made to this file. To avoid it, edit the
# file, copy it over to all the NFS-Ganesha nodes
# and run ganesha-ha.sh --refresh-config."
echo "EXPORT{"
echo " Export_Id = 2;"
echo " Path = \"/$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 "}"
}
#This function keeps track of export IDs and increments it with every new entry
function export_add()
{
count=`ls -l $GANESHA_DIR/exports/*.conf | wc -l`
if [ "$count" = "1" ] ;
then
EXPORT_ID=2
else
#if [ -s /var/lib/ganesha/export_removed ];
# then
# EXPORT_ID=`head -1 /var/lib/ganesha/export_removed`
# sed -i -e "1d" /var/lib/ganesha/export_removed
# else
EXPORT_ID=`cat $GANESHA_DIR/.export_added`
EXPORT_ID=EXPORT_ID+1
#fi
fi
echo $EXPORT_ID > $GANESHA_DIR/.export_added
sed -i s/Export_Id.*/"Export_Id= $EXPORT_ID ;"/ \
$GANESHA_DIR/exports/export.$VOL.conf
echo "%include \"$GANESHA_DIR/exports/export.$VOL.conf\"" >> $CONF1
}
#This function adds a new export dynamically by sending dbus signals
function dynamic_export_add()
{
dbus-send --print-reply --system --dest=org.ganesha.nfsd \
/org/ganesha/nfsd/ExportMgr org.ganesha.nfsd.exportmgr.AddExport \
string:$GANESHA_DIR/exports/export.$VOL.conf string:"EXPORT(Path=/$VOL)"
}
function start_ganesha()
{
#Remove export entry from nfs-ganesha.conf
sed -i /$VOL.conf/d $CONF1
#Create a new export entry
export_add $VOL
dynamic_export_add $VOL
}
# based on src/scripts/ganeshactl/Ganesha/export_mgr.py
function is_exported()
{
local volume="${1}"
dbus-send --type=method_call --print-reply --system \
--dest=org.ganesha.nfsd /org/ganesha/nfsd/ExportMgr \
org.ganesha.nfsd.exportmgr.ShowExports \
| grep -w -q "/${volume}"
return $?
}
# Check the info file (contains the volume options) to see if Ganesha is
# enabled for this volume.
function ganesha_enabled()
{
local volume="${1}"
local info_file="${GLUSTERD_WORKDIR}/vols/${VOL}/info"
local enabled="off"
enabled=$(grep -w ${ganesha_key} ${info_file} | cut -d"=" -f2)
[ "${enabled}" == "on" ]
return $?
}
parse_args $@
if ganesha_enabled ${VOL} && ! is_exported ${VOL}
then
if [ ! -e ${GANESHA_DIR}/exports/export.${VOL}.conf ]
then
write_conf ${VOL} > ${GANESHA_DIR}/exports/export.${VOL}.conf
fi
start_ganesha ${VOL}
fi
exit 0
|
