From ecc475d0a517d7f58014bed93fc0957b3369d1b7 Mon Sep 17 00:00:00 2001 From: Raghavendra Talur Date: Thu, 6 Mar 2014 19:09:13 +0530 Subject: 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 Reviewed-on: http://review.gluster.org/7201 Reviewed-by: Poornima G Reviewed-by: Bala FA Tested-by: Gluster Build System --- extras/hook-scripts/start/post/Makefile.am | 1 + extras/hook-scripts/start/post/S29CTDBsetup.sh | 77 ++++++++++++++++ extras/hook-scripts/start/post/S30samba-start.sh | 110 +++++++++++++++++++++++ 3 files changed, 188 insertions(+) create mode 100644 extras/hook-scripts/start/post/Makefile.am create mode 100755 extras/hook-scripts/start/post/S29CTDBsetup.sh create mode 100755 extras/hook-scripts/start/post/S30samba-start.sh (limited to 'extras/hook-scripts/start/post') diff --git a/extras/hook-scripts/start/post/Makefile.am b/extras/hook-scripts/start/post/Makefile.am new file mode 100644 index 000000000..d9cba93ed --- /dev/null +++ b/extras/hook-scripts/start/post/Makefile.am @@ -0,0 +1 @@ +EXTRA_DIST = S29CTDBsetup.sh S30samba-start.sh diff --git a/extras/hook-scripts/start/post/S29CTDBsetup.sh b/extras/hook-scripts/start/post/S29CTDBsetup.sh new file mode 100755 index 000000000..da077a6fb --- /dev/null +++ b/extras/hook-scripts/start/post/S29CTDBsetup.sh @@ -0,0 +1,77 @@ +#! /bin/bash +# 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= +# $META is the volume that will be used by CTDB as a shared filesystem. +# It is not desirable to use this volume for storing 'data' as well. +# META is set to 'all' (viz. a keyword and hence not a legal volume name) +# to prevent the script from running for volumes it was not intended. +# User needs to set META to the volume that serves CTDB lockfile. +META="all" + +function parse_args () { + ARGS=$(getopt -l $OPTSPEC -name $PROGNAME $@) + eval set -- "$ARGS" + + while true; do + case $1 in + --volname) + shift + VOL=$1 + ;; + + *) + shift + break + ;; + + esac + + shift + done +} + +function add_glusterfs_ctdb_options () { + PAT="Share Definitions" + GLUSTER_CTDB_CONFIG="# ctdb config for glusterfs\n\tclustering = yes\n\tidmap backend = tdb2\n" + exists=`grep "clustering = yes" "$SMB_CONF"` + if [ "$exists" == "" ] + then + sed -i /"$PAT"/i\ "$GLUSTER_CTDB_CONFIG" "$SMB_CONF" + fi +} + +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 + #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 $CTDB_MNT + chkconfig ctdb on +fi diff --git a/extras/hook-scripts/start/post/S30samba-start.sh b/extras/hook-scripts/start/post/S30samba-start.sh new file mode 100755 index 000000000..529348e25 --- /dev/null +++ b/extras/hook-scripts/start/post/S30samba-start.sh @@ -0,0 +1,110 @@ +#!/bin/bash + +#Need to be copied to hooks//start/post + +#TODO: All gluster and samba paths are assumed for fedora like systems. +#Some efforts are required to make it work on other distros. + +#The preferred way of creating a smb share of a gluster volume has changed. +#The old method was to create a fuse mount of the volume and share the mount +#point through samba. +# +#New method eliminates the requirement of fuse mount and changes in fstab. +#glusterfs_vfs plugin for samba makes call to libgfapi to access the volume. +# +#This hook script automagically creates shares for volume on every volume start +#event by adding the entries in smb.conf file and sending SIGHUP to samba. +# +#In smb.conf: +#glusterfs vfs plugin has to be specified as required vfs object. +#Path value is relative to the root of gluster volume;"/" signifies complete +#volume. + +PROGNAME="Ssamba-start" +OPTSPEC="volname:" +VOL= +CONFIGFILE= +LOGFILEBASE= +PIDDIR= + +function parse_args () { + ARGS=$(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 -- cgit