1 files changed, 110 insertions, 0 deletions
diff --git a/extras/hook-scripts/start/post/S30samba-start.sh b/extras/hook-scripts/start/post/S30samba-start.sh
new file mode 100755
index 00000000000..529348e25c4
--- /dev/null
+++ b/extras/hook-scripts/start/post/S30samba-start.sh
@@ -0,0 +1,110 @@
+#!/bin/bash
+
+#Need to be copied to hooks/<HOOKS_VER>/start/post
+
+#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 creates shares for volume on every volume start
+#event by adding the entries in smb.conf file and sending SIGHUP to samba.
+#
+#In smb.conf:
+#glusterfs vfs plugin has to be specified as required vfs object.
+#Path value is relative to the root of gluster volume;"/" signifies complete
+#volume.
+
+PROGNAME="Ssamba-start"
+OPTSPEC="volname:"
+VOL=
+CONFIGFILE=
+LOGFILEBASE=
+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'}`
+        LOGFILEBASE=`smbd -b | grep 'LOGFILEBASE' | awk '{print $2}'`
+}
+
+function add_samba_share () {
+        volname=$1
+        STRING="\n[gluster-$volname]\n"
+        STRING+="comment = For samba share of volume $volname\n"
+        STRING+="vfs objects = glusterfs\n"
+        STRING+="glusterfs:volume = $volname\n"
+        STRING+="glusterfs:logfile = $LOGFILEBASE/glusterfs-$volname.%%M.log\n"
+        STRING+="glusterfs:loglevel = 7\n"
+        STRING+="path = %%P/\n"
+        STRING+="read only = no\n"
+        STRING+="guest ok = yes\n"
+        printf "$STRING"  >> ${CONFIGFILE}
+}
+
+function sighup_samba () {
+        pid=`cat ${PIDDIR}/smbd.pid`
+        if [ "x$pid" != "x" ]
+        then
+                kill -HUP "$pid";
+        else
+                /etc/init.d/smb condrestart
+        fi
+}
+
+function get_smb () {
+        volname=$1
+        uservalue=
+
+        usercifsvalue=$(grep user.cifs /var/lib/glusterd/vols/"$volname"/info |\
+                        cut -d"=" -f2)
+        usersmbvalue=$(grep user.smb /var/lib/glusterd/vols/"$volname"/info |\
+                       cut -d"=" -f2)
+
+        if [[ $usercifsvalue = "disable" || $usersmbvalue = "disable" ]]; then
+                uservalue="disable"
+        fi
+        echo "$uservalue"
+}
+
+parse_args $@
+if [ $(get_smb "$VOL") = "disable" ]; then
+        exit 0
+fi
+
+#Find smb.conf, smbd pid directory and smbd logfile path
+find_config_info
+
+if ! grep --quiet "\[gluster-$VOL\]" ${CONFIGFILE} ; then
+        add_samba_share $VOL
+        sighup_samba
+fi