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authorKrishnan Parthasarathi <kp@gluster.com>2012-04-18 18:16:30 +0530
committerVijay Bellur <vijay@gluster.com>2012-05-02 22:56:24 -0700
commit7ee1c22353e3af4153d1716a5f3629615de4510e (patch)
tree33d315e47b4b4e27c17ff6524229bad0a4bc3afc
parent3d5d5846d86b305955c1f1fcd1f426b5ecb1df6f (diff)
extras: Added hook script to help in CTDB setup
Change-Id: Ib43cd3583e791aabc8cc25fe4eea43a620f73d01 BUG: 806996 Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Reviewed-on: http://review.gluster.com/3188 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
-rw-r--r--extras/hook-scripts/Makefile.am2
-rw-r--r--extras/hook-scripts/S29CTDBsetup.sh69
2 files changed, 70 insertions, 1 deletions
diff --git a/extras/hook-scripts/Makefile.am b/extras/hook-scripts/Makefile.am
index 1d0f0287b..07cf7ead3 100644
--- a/extras/hook-scripts/Makefile.am
+++ b/extras/hook-scripts/Makefile.am
@@ -1 +1 @@
-EXTRA_DIST = S30samba-start.sh S30samba-stop.sh
+EXTRA_DIST = *.sh
diff --git a/extras/hook-scripts/S29CTDBsetup.sh b/extras/hook-scripts/S29CTDBsetup.sh
new file mode 100644
index 000000000..e256be1f3
--- /dev/null
+++ b/extras/hook-scripts/S29CTDBsetup.sh
@@ -0,0 +1,69 @@
+#! /bin/bash
+#non-portable - RHS-2.0 only
+# - The script mounts the 'meta-vol' on start 'event' on a known
+# directory (eg. /gluster/lock)
+# - Adds the necessary configuration changes for ctdb in smb.conf and
+# restarts smb service.
+# - P.S: There are other 'tasks' that need to be done outside this script
+# to get CTDB based failover up and running.
+
+SMB_CONF=/etc/samba/smb.conf
+
+CTDB_MNT=/gluster/lock
+PROGNAME="ctdb"
+OPTSPEC="volname:"
+VOL=
+# $META is the volume that will be used by CTDB as a shared filesystem.
+# It is not desirable to use this volume for storing 'data' as well.
+# META is set to 'all' (viz. a keyword and hence not a legal volume name)
+# to prevent the script from running for volumes it was not intended.
+# User needs to set META to the volume that serves CTDB lockfile.
+META="all"
+
+function sighup_samba () {
+ pid=`cat /var/run/smbd.pid`
+ if [ $pid != " " ]
+ then
+ kill -HUP $pid;
+ else
+ /etc/init.d/smb start
+ fi
+}
+
+function parse_args () {
+ ARGS=$(getopt -l $OPTSPEC -name $PROGNAME $@)
+ eval set -- "$ARGS"
+
+ while true; do
+ case $1 in
+ --volname)
+ shift
+ VOL=$1
+ ;;
+
+ *)
+ shift
+ break
+ ;;
+
+ esac
+
+ shift
+ done
+}
+
+function add_glusterfs_ctdb_options () {
+ PAT="Share Definitions"
+ GLUSTER_CTDB_CONFIG="# ctdb config for glusterfs\n\tclustering = yes\n\tidmap backend = tdb2\n\tprivate dir = "$CTDB_MNT"\n"
+
+ sed -i /"$PAT"/i\ "$GLUSTER_CTDB_CONFIG" $SMB_CONF
+}
+
+parse_args $@
+if [ "$META" = "$VOL" ]
+then
+ add_glusterfs_ctdb_options
+ sighup_samba
+ mount -t glusterfs `hostname`:$VOL "$CTDB_MNT" &
+fi
+