diff options
Diffstat (limited to 'extras/hook-scripts/set/post')
| -rw-r--r-- | extras/hook-scripts/set/post/Makefile.am | 6 | ||||
| -rwxr-xr-x[-rw-r--r--] | extras/hook-scripts/set/post/S30samba-set.sh | 196 | ||||
| -rwxr-xr-x | extras/hook-scripts/set/post/S32gluster_enable_shared_storage.sh | 136 |
3 files changed, 257 insertions, 81 deletions
diff --git a/extras/hook-scripts/set/post/Makefile.am b/extras/hook-scripts/set/post/Makefile.am new file mode 100644 index 00000000000..506a25a8666 --- /dev/null +++ b/extras/hook-scripts/set/post/Makefile.am @@ -0,0 +1,6 @@ +EXTRA_DIST = S30samba-set.sh S32gluster_enable_shared_storage.sh + +hookdir = $(GLUSTERD_WORKDIR)/hooks/1/set/post/ +if WITH_SERVER +hook_SCRIPTS = $(EXTRA_DIST) +endif diff --git a/extras/hook-scripts/set/post/S30samba-set.sh b/extras/hook-scripts/set/post/S30samba-set.sh index bec3ac270b3..854f131f6c8 100644..100755 --- a/extras/hook-scripts/set/post/S30samba-set.sh +++ b/extras/hook-scripts/set/post/S30samba-set.sh @@ -1,127 +1,161 @@ #!/bin/bash +#Need to be copied to hooks/<HOOKS_VER>/set/post/ + +#TODO: All gluster and samba paths are assumed for fedora like systems. +#Some efforts are required to make it work on other distros. + +#The preferred way of creating a smb share of a gluster volume has changed. +#The old method was to create a fuse mount of the volume and share the mount +#point through samba. +# +#New method eliminates the requirement of fuse mount and changes in fstab. +#glusterfs_vfs plugin for samba makes call to libgfapi to access the volume. +# +#This hook script enables user to enable or disable smb share by volume set +#option. Keys "user.cifs" and "user.smb" both are valid, but user.smb is +#preferred. + + PROGNAME="Ssamba-set" -OPTSPEC="volname:" +OPTSPEC="volname:,gd-workdir:" VOL= -MNT_PRE="/mnt/samba" - -enable_cifs="" +CONFIGFILE= +LOGFILEBASE= +PIDDIR= +GLUSTERD_WORKDIR= +USERSMB_SET="" +USERCIFS_SET="" function parse_args () { - ARGS=$(getopt -l $OPTSPEC -o "o" -name $PROGNAME $@) + ARGS=$(getopt -o 'o:' -l $OPTSPEC -n $PROGNAME -- "$@") eval set -- "$ARGS" while true; do case $1 in - --volname) - shift - VOL=$1 - ;; - *) - shift - for pair in $@; do - read key value < <(echo "$pair" | tr "=" " ") + --volname) + shift + VOL=$1 + ;; + --gd-workdir) + shift + GLUSTERD_WORKDIR=$1 + ;; + --) + shift + break + ;; + -o) + shift + read key value < <(echo "$1" | tr "=" " ") case "$key" in - "user.cifs") enable_cifs=$value;; - *) ;; + "user.cifs") + USERCIFS_SET="YES" + ;; + "user.smb") + USERSMB_SET="YES" + ;; + *) + ;; esac - done - - shift - break - ;; + ;; + *) + shift + break + ;; esac shift done } -function add_samba_export () { +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 - mnt_pre=$2 - mkdir -p $mnt_pre/$volname && \ - printf "\n[gluster-$volname]\ncomment=For samba export of volume $volname\npath=$mnt_pre/$volname\nread only=no\nguest ok=yes\n" >> /etc/samba/smb.conf + STRING="\n[gluster-$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 = /\n" + STRING+="read only = no\n" + STRING+="kernel share modes = no\n" + printf "$STRING" >> ${CONFIGFILE} } function sighup_samba () { - pid=`cat /var/run/smbd.pid` - if [ "$pid" != "" ] + pid=`cat ${PIDDIR}/smbd.pid` + if [ "x$pid" != "x" ] then kill -HUP "$pid"; else - /etc/init.d/smb start + service smb condrestart fi } -function add_fstab_entry () { +function deactivate_samba_share () { 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 + sed -i -e '/^\[gluster-'"$volname"'\]/{ :a' -e 'n; /available = no/H; /^$/!{$!ba;}; x; /./!{ s/^/available = no/; $!{G;x}; $H; }; s/.*//; x; };' ${CONFIGFILE} } -function del_samba_export () { +function is_volume_started () { volname=$1 - cp /etc/samba/smb.conf /tmp/smb.conf - sed -i "/gluster-$volname/,/^$/d" /tmp/smb.conf &&\ - mv /tmp/smb.conf /etc/samba/smb.conf + echo "$(grep status $GLUSTERD_WORKDIR/vols/"$volname"/info |\ + cut -d"=" -f2)" } -function umount_volume () { +function get_smb () { volname=$1 - mnt_pre=$2 - umount -l $mnt_pre/$volname -} + uservalue= -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 -} + usercifsvalue=$(grep user.cifs $GLUSTERD_WORKDIR/vols/"$volname"/info |\ + cut -d"=" -f2) + usersmbvalue=$(grep user.smb $GLUSTERD_WORKDIR/vols/"$volname"/info |\ + cut -d"=" -f2) -function is_volume_started () { - volname=$1 - echo "$(grep status /var/lib/glusterd/vols/"$volname"/info | cut -d"=" -f2)" -} + if [ -n "$usercifsvalue" ]; then + if [ "$usercifsvalue" = "disable" ] || [ "$usercifsvalue" = "off" ]; then + uservalue="disable" + fi + fi -function get_cifs () { - volname=$1 - echo "$(grep user.cifs /var/lib/glusterd/vols/"$volname"/info | cut -d"=" -f2)" -} + if [ -n "$usersmbvalue" ]; then + if [ "$usersmbvalue" = "disable" ] || [ "$usersmbvalue" = "off" ]; then + uservalue="disable" + fi + fi -function mount_volume () { - volname=$1 - mntpt=$2 - if [ "$(cat /proc/mounts | grep "$mntpt")" == "" ]; then - mount -t glusterfs `hostname`:$volname $mntpt && \ - add_fstab_entry $volname $mntpt - fi + echo "$uservalue" } -parse_args $@ -if [ "0" = $(is_volume_started "$VOL") ]; then +parse_args "$@" +if [ "0" = "$(is_volume_started "$VOL")" ]; then exit 0 fi -if [ "$enable_cifs" = "enable" ]; then - add_samba_export $VOL $MNT_PRE - mkdir -p $MNT_PRE/$VOL - sleep 5 - mount_volume $VOL $MNT_PRE/$VOL - sighup_samba -elif [ "$enable_cifs" = "disable" ]; then - del_samba_export $VOL - umount_volume $VOL $MNT_PRE - remove_fstab_entry $VOL $MNT_PRE/$VOL +if [ "$USERCIFS_SET" = "YES" ] || [ "$USERSMB_SET" = "YES" ]; then + #Find smb.conf, smbd pid directory and smbd logfile path + find_config_info + + if [ "$(get_smb "$VOL")" = "disable" ]; then + deactivate_samba_share $VOL + else + if ! grep --quiet "\[gluster-$VOL\]" ${CONFIGFILE} ; then + add_samba_share $VOL + else + sed -i '/\[gluster-'"$VOL"'\]/,/^$/!b;/available = no/d' ${CONFIGFILE} + fi + fi sighup_samba fi diff --git a/extras/hook-scripts/set/post/S32gluster_enable_shared_storage.sh b/extras/hook-scripts/set/post/S32gluster_enable_shared_storage.sh new file mode 100755 index 00000000000..1f2564b44ff --- /dev/null +++ b/extras/hook-scripts/set/post/S32gluster_enable_shared_storage.sh @@ -0,0 +1,136 @@ +#!/bin/bash + +key=`echo $3 | cut -d '=' -f 1` +val=`echo $3 | cut -d '=' -f 2` +if [ "$key" != "cluster.enable-shared-storage" ] && [ "$key" != "enable-shared-storage" ]; then + exit; +fi +if [ "$val" != 'enable' ]; then + if [ "$val" != 'disable' ]; then + exit; + fi +fi + +option=$val + +key_val_pair1=`echo $4 | cut -d ',' -f 1` +key_val_pair2=`echo $4 | cut -d ',' -f 2` + +key=`echo $key_val_pair1 | cut -d '=' -f 1` +val=`echo $key_val_pair1 | cut -d '=' -f 2` +if [ "$key" != "is_originator" ]; then + exit; +fi +is_originator=$val; + +key=`echo $key_val_pair2 | cut -d '=' -f 1` +val=`echo $key_val_pair2 | cut -d '=' -f 2` +if [ "$key" != "local_node_hostname" ]; then + exit; +fi +local_node_hostname=$val; + +# Read gluster peer status to find the peers +# which are in 'Peer in Cluster' mode and +# are connected. + +number_of_connected_peers=0 +while read -r line +do + # Already got two connected peers. Including the current node + # we have 3 peers which is enough to create a shared storage + # with replica 3 + if [ "$number_of_connected_peers" == "2" ]; then + break; + fi + + key=`echo $line | cut -d ':' -f 1` + if [ "$key" == "Hostname" ]; then + hostname=`echo $line | cut -d ':' -f 2 | xargs` + fi + + if [ "$key" == "State" ]; then + peer_state=`echo $line | cut -d ':' -f 2 | cut -d '(' -f 1 | xargs` + conn_state=`echo $line | cut -d '(' -f 2 | cut -d ')' -f 1 | xargs` + + if [ "$peer_state" == "Peer in Cluster" ]; then + if [ "$conn_state" == "Connected" ]; then + ((number_of_connected_peers++)) + connected_peer[$number_of_connected_peers]=$hostname + fi + fi + fi + +done < <(gluster peer status) + +# Include current node in connected peer list +((number_of_connected_peers++)) +connected_peer[$number_of_connected_peers]=$local_node_hostname + +# forming the create vol command +create_cmd="gluster --mode=script --wignore volume create \ + gluster_shared_storage replica $number_of_connected_peers" + +# Adding the brick names in the command +for i in "${connected_peer[@]}" +do + create_cmd=$create_cmd" "$i:"$GLUSTERD_WORKDIR"/ss_brick +done + +if [ "$option" == "disable" ]; then + # Unmount the volume on all the nodes + umount /run/gluster/shared_storage + cat /etc/fstab | grep -v "gluster_shared_storage /run/gluster/shared_storage/" > /run/gluster/fstab.tmp + mv /run/gluster/fstab.tmp /etc/fstab +fi + +if [ "$is_originator" == 1 ]; then + if [ "$option" == "enable" ]; then + # Create and start the volume + $create_cmd + gluster --mode=script --wignore volume start gluster_shared_storage + fi + + if [ "$option" == "disable" ]; then + # Stop and delete the volume + gluster --mode=script --wignore volume stop gluster_shared_storage + gluster --mode=script --wignore volume delete gluster_shared_storage + fi +fi + +function check_volume_status() +{ + status=`gluster volume info gluster_shared_storage | grep Status | cut -d ':' -f 2 | xargs` + echo $status +} + +key=`echo $5 | cut -d '=' -f 1` +val=`echo $5 | cut -d '=' -f 2` +if [ "$key" == "transport.address-family" ]; then + mount_cmd="mount -t glusterfs -o xlator-option=transport.address-family=inet6 \ + $local_node_hostname:/gluster_shared_storage /run/gluster/shared_storage" +else + mount_cmd="mount -t glusterfs $local_node_hostname:/gluster_shared_storage \ + /run/gluster/shared_storage" +fi + +if [ "$option" == "enable" ]; then + retry=0; + # Wait for volume to start before mounting + status=$(check_volume_status) + while [ "$status" != "Started" ]; do + sleep 5; + ((retry++)) + if [ "$retry" == 3 ]; then + break; + fi + status=$(check_volume_status) + done + # Mount the volume on all the nodes + umount /run/gluster/shared_storage + mkdir -p /run/gluster/shared_storage + $mount_cmd + cp /etc/fstab /run/gluster/fstab.tmp + echo "$local_node_hostname:/gluster_shared_storage /run/gluster/shared_storage/ glusterfs defaults 0 0" >> /run/gluster/fstab.tmp + mv /run/gluster/fstab.tmp /etc/fstab +fi |