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-rwxr-xr-xextras/hook-scripts/S30samba-set.sh107
1 files changed, 107 insertions, 0 deletions
diff --git a/extras/hook-scripts/S30samba-set.sh b/extras/hook-scripts/S30samba-set.sh
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+++ b/extras/hook-scripts/S30samba-set.sh
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+#!/bin/bash
+
+#Need to be copied to hooks/<HOOKS_VER>/set/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 enables user to enable or disable smb share by volume set
+#option. Keys "user.cifs" and "user.smb" both are valid, but user.smb is
+#preferred.
+
+
+PROGNAME="Ssamba-set"
+OPTSPEC="volname:"
+VOL=
+
+enable_smb=""
+
+function parse_args () {
+ ARGS=$(getopt -l $OPTSPEC -o "o" -name $PROGNAME $@)
+ eval set -- "$ARGS"
+
+ while true; do
+ case $1 in
+ --volname)
+ shift
+ VOL=$1
+ ;;
+ *)
+ shift
+ for pair in $@; do
+ read key value < <(echo "$pair" | tr "=" " ")
+ case "$key" in
+ "user.cifs")
+ enable_smb=$value
+ ;;
+ "user.smb")
+ enable_smb=$value
+ ;;
+ *)
+ ;;
+ esac
+ done
+
+ shift
+ break
+ ;;
+ esac
+ shift
+ done
+}
+
+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 = $volname\n"
+ STRING+="path = /\n"
+ STRING+="read only = no\n"
+ STRING+="guest ok = yes\n"
+ printf "$STRING" >> /etc/samba/smb.conf
+}
+
+function sighup_samba () {
+ pid=`cat /var/run/smbd.pid`
+ if [ "$pid" != "" ]
+ then
+ kill -HUP "$pid";
+ else
+ /etc/init.d/smb start
+ fi
+}
+
+function del_samba_share () {
+ volname=$1
+ cp /etc/samba/smb.conf /tmp/smb.conf
+ sed -i "/gluster-$volname/,/^$/d" /tmp/smb.conf &&\
+ cp /tmp/smb.conf /etc/samba/smb.conf
+}
+
+function is_volume_started () {
+ volname=$1
+ echo "$(grep status /var/lib/glusterd/vols/"$volname"/info |\
+ cut -d"=" -f2)"
+}
+
+parse_args $@
+if [ "0" = $(is_volume_started "$VOL") ]; then
+ exit 0
+fi
+
+if [ "$enable_smb" = "enable" ]; then
+ add_samba_share $VOL
+ sighup_samba
+
+elif [ "$enable_smb" = "disable" ]; then
+ del_samba_share $VOL
+ sighup_samba
+fi