hook-scripts: Move smb hooks to right place.

Moved the hook-scripts to dirs corresponding to event.
Also, edited S30samba-set.sh to with changes in
other two hook scripts to bring uniformity.

Change-Id: Ib98c0a18d4bb5d0ba4b881b2e19b40d72580b1c2
BUG: 1073468
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/7201
Reviewed-by: Poornima G <pgurusid@redhat.com>
Reviewed-by: Bala FA <barumuga@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

configure.ac

@@ -165,6 +165,12 @@ AC_CONFIG_FILES([Makefile
                 extras/hook-scripts/add-brick/Makefile
                 extras/hook-scripts/add-brick/pre/Makefile
                 extras/hook-scripts/add-brick/post/Makefile
+                extras/hook-scripts/start/Makefile
+                extras/hook-scripts/start/post/Makefile
+                extras/hook-scripts/set/Makefile
+                extras/hook-scripts/set/post/Makefile
+                extras/hook-scripts/stop/Makefile
+                extras/hook-scripts/stop/pre/Makefile
                 contrib/fuse-util/Makefile
                 contrib/uuid/uuid_types.h
                 glusterfs-api.pc

extras/hook-scripts/Makefile.am

@@ -1,2 +1,2 @@
-EXTRA_DIST = S29CTDBsetup.sh S30samba-start.sh S30samba-stop.sh S30samba-set.sh S56glusterd-geo-rep-create-post.sh
-SUBDIRS = add-brick
+EXTRA_DIST = S40ufo-stop.py S56glusterd-geo-rep-create-post.sh
+SUBDIRS = add-brick set start stop

extras/hook-scripts/set/Makefile.am

@@ -0,0 +1,2 @@
+SUBDIRS = post
+CLEANFILES =

extras/hook-scripts/set/post/Makefile.am

@@ -0,0 +1 @@
+EXTRA_DIST = S30samba-set.sh

extras/hook-scripts/set/post/S30samba-set.sh

@@ -20,6 +20,9 @@
 PROGNAME="Ssamba-set"
 OPTSPEC="volname:"
 VOL=
+CONFIGFILE=
+LOGFILEBASE=
+PIDDIR=
 
 enable_smb=""
 
@@ -57,22 +60,33 @@ function parse_args () {
         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 = $volname\n"
-        STRING+="glusterfs:logfile = /var/log/samba/glusterfs-$volname.%%M.log\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 "$STRING"  >> /etc/samba/smb.conf
+        printf "$STRING"  >> ${CONFIGFILE}
 }
 
 function sighup_samba () {
-        pid=`cat /var/run/smbd.pid`
+        pid=`cat ${PIDDIR}/smbd.pid`
         if [ "x$pid" != "x" ]
         then
                 kill -HUP "$pid";
@@ -97,6 +111,9 @@ if [ "0" = $(is_volume_started "$VOL") ]; then
     exit 0
 fi
 
+#Find smb.conf, smbd pid directory and smbd logfile path
+find_config_info
+
 if [ "$enable_smb" = "enable" ]; then
     if ! grep --quiet "\[gluster-$VOL\]" /etc/samba/smb.conf ; then
             add_samba_share $VOL

extras/hook-scripts/start/Makefile.am

@@ -0,0 +1,2 @@
+SUBDIRS = post
+CLEANFILES =

extras/hook-scripts/start/post/Makefile.am

@@ -0,0 +1 @@
+EXTRA_DIST = S29CTDBsetup.sh S30samba-start.sh

extras/hook-scripts/start/post/S29CTDBsetup.sh

@@ -1,5 +1,5 @@
 #! /bin/bash
-#non-portable - RHS-2.0 only
+# 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
@@ -20,16 +20,6 @@ VOL=
 # 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"
@@ -54,16 +44,34 @@ function parse_args () {
 
 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 = "$CTDB_MNT"\n"
+        GLUSTER_CTDB_CONFIG="# ctdb config for glusterfs\n\tclustering = yes\n\tidmap backend = tdb2\n"
+        exists=`grep "clustering = yes" "$SMB_CONF"`
+        if [ "$exists" == "" ]
+        then
+            sed -i /"$PAT"/i\ "$GLUSTER_CTDB_CONFIG" "$SMB_CONF"
+        fi
+}
 
-        sed -i /"$PAT"/i\ "$GLUSTER_CTDB_CONFIG" $SMB_CONF
+function add_fstab_entry () {
+        volname=$1
+        mntpt=$2
+        mntent="`hostname`:/$volname $mntpt glusterfs defaults,transport=tcp 0 0"
+        exists=`grep "^$mntent" /etc/fstab`
+        if [ "$exists" == "" ]
+        then
+            echo "$mntent" >> /etc/fstab
+        fi
 }
 
 parse_args $@
 if [ "$META" = "$VOL" ]
 then
-        add_glusterfs_ctdb_options
-        sighup_samba
-        mount -t glusterfs `hostname`:$VOL "$CTDB_MNT" &
+    #expects ctdb service to manage smb
+    service smb stop
+    add_glusterfs_ctdb_options
+    mkdir -p $CTDB_MNT
+    sleep 5
+    mount -t glusterfs `hostname`:$VOL "$CTDB_MNT" && \
+        add_fstab_entry $VOL $CTDB_MNT
+    chkconfig ctdb on
 fi
-

extras/hook-scripts/start/post/S30samba-start.sh

@@ -65,7 +65,7 @@ function add_samba_share () {
         STRING+="glusterfs:volume = $volname\n"
         STRING+="glusterfs:logfile = $LOGFILEBASE/glusterfs-$volname.%%M.log\n"
         STRING+="glusterfs:loglevel = 7\n"
-        STRING+="path = /\n"
+        STRING+="path = %%P/\n"
         STRING+="read only = no\n"
         STRING+="guest ok = yes\n"
         printf "$STRING"  >> ${CONFIGFILE}

extras/hook-scripts/stop/Makefile.am

@@ -0,0 +1,2 @@
+SUBDIRS = pre
+CLEANFILES =

extras/hook-scripts/stop/pre/Makefile.am

@@ -0,0 +1 @@
+EXTRA_DIST =  S29CTDB-teardown.sh S30samba-stop.sh

extras/hook-scripts/stop/pre/S29CTDB-teardown.sh

@@ -0,0 +1,80 @@
+#! /bin/bash
+#non-portable - RHS-2.0 only
+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=$1
+                ;;
+
+                *)
+                     shift
+                     break
+                ;;
+
+            esac
+
+            shift
+        done
+}
+
+
+function remove_ctdb_options () {
+        IFS=$'\n'
+        GLUSTER_CTDB_CONFIG=$'# ctdb config for glusterfs\n\tclustering = yes\n\tidmap backend = tdb2\n'
+
+        for line in $GLUSTER_CTDB_CONFIG
+        do
+                sed -i /"$line"/d $SMB_CONF
+        done
+        unset IFS
+}
+
+function remove_fstab_entry () {
+	volname=$1
+	mntpt=$2
+	mntent="`hostname`:/$volname $mntpt glusterfs defaults,transport=tcp 0 0"
+	esc_mntent=$(echo -e "$mntent" | sed 's/\//\\\//g')
+	exists=`grep "^$mntent" /etc/fstab`
+	if [ "$exists" != " " ]
+	then
+		sed -i /"$esc_mntent"/d /etc/fstab
+	fi
+}
+
+parse_args $@
+if [ "$META" = "$VOL" ]
+then
+        umount "$CTDB_MNT"
+        chkconfig ctdb off
+	remove_fstab_entry $VOL $CTDB_MNT
+        remove_ctdb_options
+        sighup_samba
+fi