From f0c8be68ca68ddb067a40830fecf389c74c13d02 Mon Sep 17 00:00:00 2001
From: Harshavardhana <harsha@harshavardhana.net>
Date: Fri, 6 Jun 2014 18:43:15 -0700
Subject: scripts: CTDB lockvol ping-timeout should be 10secs

commit "4044e387dd40e2d12145fd32d5fd715406fcec8e" approach
to this led to deadlocks instead we rely on an old trick at
client side - without any need to modifying the volume globally.

Change-Id: I6e3c6bf9c0a3a0dd99a51b5d2a6c1f050ed2384c
BUG: 1091600
Signed-off-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-on: http://review.gluster.org/8007
Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-by: Poornima G <pgurusid@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
---
 extras/hook-scripts/start/post/S29CTDBsetup.sh   | 37 +++++++++++-------------
 extras/hook-scripts/stop/pre/S29CTDB-teardown.sh | 25 +++++++++-------
 2 files changed, 32 insertions(+), 30 deletions(-)

(limited to 'extras/hook-scripts')

diff --git a/extras/hook-scripts/start/post/S29CTDBsetup.sh b/extras/hook-scripts/start/post/S29CTDBsetup.sh
index 5caf1037e1a..cbb76767eb9 100755
--- a/extras/hook-scripts/start/post/S29CTDBsetup.sh
+++ b/extras/hook-scripts/start/post/S29CTDBsetup.sh
@@ -6,13 +6,15 @@
 #   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
 PING_TIMEOUT_SECS=10
 PROGNAME="ctdb"
 OPTSPEC="volname:"
+HOSTNAME=`hostname`
+MNTOPTS="_netdev,defaults"
+MNTOPTS_GLUSTERFS="transport=tcp,xlator-option=*client*.ping-timeout=${PING_TIMEOUT_SECS}"
 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.
@@ -56,31 +58,26 @@ function add_glusterfs_ctdb_options () {
 function add_fstab_entry () {
         volname=$1
         mntpt=$2
-        mntent="`hostname`:/$volname $mntpt glusterfs _netdev,defaults,transport=tcp 0 0"
-        exists=`grep "^$mntent" /etc/fstab`
+        mntopts="${MNTOPTS},${MNTOPTS_GLUSTERFS}"
+
+        mntent="${HOSTNAME}:/${volname} ${mntpt} glusterfs ${mntopts} 0 0"
+        exists=`grep "${mntpt}" /etc/fstab`
         if [ "$exists" == "" ]
         then
-            echo "$mntent" >> /etc/fstab
+            echo "${mntent}" >> /etc/fstab
         fi
 }
 
-function add_ping_timeout () {
-    volname=$1
-    value=$2
-    gluster volume set $volname network.ping-timeout $value
-}
-
 parse_args $@
 if [ "$META" = "$VOL" ]
 then
-    #expects ctdb service to manage smb
-    service smb stop
-    add_glusterfs_ctdb_options
-    mkdir -p $CTDB_MNT
-    sleep 5
-    # Make sure ping-timeout is not default for CTDB volume
-    add_ping_timeout $VOL $PING_TIMEOUT_SECS;
-    mount -t glusterfs `hostname`:$VOL "$CTDB_MNT" && \
-        add_fstab_entry $VOL $CTDB_MNT
-    chkconfig ctdb on
+        # expects ctdb service to manage smb
+        service smb stop
+        add_glusterfs_ctdb_options
+        mkdir -p $CTDB_MNT
+        sleep 5
+        # Make sure ping-timeout is not default for CTDB volume
+        mount -t glusterfs -oxlator-option=*client*.ping-timeout=${PING_TIMEOUT_SECS} `hostname`:$VOL "$CTDB_MNT" && \
+            add_fstab_entry $VOL $CTDB_MNT
+        chkconfig ctdb on
 fi
diff --git a/extras/hook-scripts/stop/pre/S29CTDB-teardown.sh b/extras/hook-scripts/stop/pre/S29CTDB-teardown.sh
index bfbd356b8fa..9125030bb7e 100755
--- a/extras/hook-scripts/stop/pre/S29CTDB-teardown.sh
+++ b/extras/hook-scripts/stop/pre/S29CTDB-teardown.sh
@@ -58,15 +58,20 @@ function remove_ctdb_options () {
 }
 
 function remove_fstab_entry () {
-	volname=$1
-	mntpt=$2
-	mntent="`hostname`:/$volname $mntpt glusterfs _netdev,defaults,transport=tcp 0 0"
-	esc_mntent=$(echo -e "$mntent" | sed 's/\//\\\//g')
-	exists=`grep "^$mntent" /etc/fstab`
-	if [ "$exists" != " " ]
-	then
-		sed -i /"$esc_mntent"/d /etc/fstab
-	fi
+        mntpt=$1
+        fstab="/etc/fstab"
+        exists=`grep "$mntpt" ${fstab}`
+        esc_mntpt=$(echo -e $mntpt | sed 's/\//\\\//g')
+        if [ "$exists" != " " ]
+        then
+            sed -i /"$esc_mntpt"/d $fstab
+            exists=`grep "$mntpt" ${fstab}`
+            if [ "$exists" != " " ]
+            then
+                echo "fstab entry cannot be removed for unknown reason"
+                exit 1
+            fi
+        fi
 }
 
 parse_args $@
@@ -74,7 +79,7 @@ if [ "$META" = "$VOL" ]
 then
         umount "$CTDB_MNT"
         chkconfig ctdb off
-	remove_fstab_entry $VOL $CTDB_MNT
+        remove_fstab_entry $CTDB_MNT
         remove_ctdb_options
         sighup_samba
 fi
-- 
cgit