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From 644bcd954000b77fc8f49e3a7941de23ca869427 Mon Sep 17 00:00:00 2001
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From: Anoop C S <anoopcs@redhat.com>
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Date: Wed, 21 Mar 2018 13:09:01 +0530
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Subject: [PATCH 481/493] extras/hooks: Do not blindly remove volume share from
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smb.conf
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When Gluster volumes are shared via Samba, any extra smb.conf parameter
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setting done by administrator to those shares are lost during restart
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of the volume. Instead of removing the whole share completely from
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smb.conf(via hook scripts during volume stop) it is better to make it
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temporarily unavailable to end-users till the volume is started again.
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Therefore we make use of a smb.conf parameter named 'available'[1] to
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achieve the above intend.
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[1] https://www.samba.org/samba/docs/current/man-html/smb.conf.5.html
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upstream ref: https://review.gluster.org/c/glusterfs/+/19750
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Change-Id: I68a9055b50791f6ffd3b95a3c13d858a75fa6530
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BUG: 1164778
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Signed-off-by: Anoop C S <anoopcs@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/158495
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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extras/hook-scripts/set/post/S30samba-set.sh | 11 ++++++-----
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extras/hook-scripts/start/post/S30samba-start.sh | 4 +++-
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extras/hook-scripts/stop/pre/S30samba-stop.sh | 6 +++---
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3 files changed, 12 insertions(+), 9 deletions(-)
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diff --git a/extras/hook-scripts/set/post/S30samba-set.sh b/extras/hook-scripts/set/post/S30samba-set.sh
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index b93415b..c596db0 100755
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--- a/extras/hook-scripts/set/post/S30samba-set.sh
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+++ b/extras/hook-scripts/set/post/S30samba-set.sh
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@@ -103,9 +103,9 @@ function sighup_samba () {
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fi
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}
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-function del_samba_share () {
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+function deactivate_samba_share () {
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volname=$1
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- sed -i "/\[gluster-$volname\]/,/^$/d" ${CONFIGFILE}
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+ sed -i -e '/^\[gluster-'"$volname"'\]/{ :a' -e 'n; /available = no/H; /^$/!{$!ba;}; x; /./!{ s/^/available = no/; $!{G;x}; $H; }; s/.*//; x; };' ${CONFIGFILE}
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}
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function is_volume_started () {
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@@ -140,12 +140,13 @@ if [ "$USERCIFS_SET" = "YES" ] || [ "$USERSMB_SET" = "YES" ]; then
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find_config_info
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if [ "$(get_smb "$VOL")" = "disable" ]; then
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- del_samba_share $VOL
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- sighup_samba
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+ deactivate_samba_share $VOL
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else
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if ! grep --quiet "\[gluster-$VOL\]" ${CONFIGFILE} ; then
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add_samba_share $VOL
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- sighup_samba
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+ else
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+ sed -i '/\[gluster-'"$VOL"'\]/,/^$/!b;/available = no/d' ${CONFIGFILE}
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fi
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fi
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+ sighup_samba
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fi
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diff --git a/extras/hook-scripts/start/post/S30samba-start.sh b/extras/hook-scripts/start/post/S30samba-start.sh
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index 92ddaf4..5d586ee 100755
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--- a/extras/hook-scripts/start/post/S30samba-start.sh
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+++ b/extras/hook-scripts/start/post/S30samba-start.sh
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@@ -127,5 +127,7 @@ find_config_info
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if ! grep --quiet "\[gluster-$VOL\]" ${CONFIGFILE} ; then
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add_samba_share $VOL
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- sighup_samba
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+else
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+ sed -i '/\[gluster-'"$VOL"'\]/,/^$/!b;/available = no/d' ${CONFIGFILE}
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fi
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+sighup_samba
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diff --git a/extras/hook-scripts/stop/pre/S30samba-stop.sh b/extras/hook-scripts/stop/pre/S30samba-stop.sh
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index 5e87845..ea79938 100755
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--- a/extras/hook-scripts/stop/pre/S30samba-stop.sh
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+++ b/extras/hook-scripts/stop/pre/S30samba-stop.sh
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@@ -56,9 +56,9 @@ function find_config_info () {
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PIDDIR=`smbd -b | grep PIDDIR | awk '{print $2}'`
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}
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-function del_samba_share () {
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+function deactivate_samba_share () {
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volname=$1
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- sed -i "/\[gluster-$volname\]/,/^$/d" ${CONFIGFILE}
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+ sed -i -e '/^\[gluster-'"$volname"'\]/{ :a' -e 'n; /available = no/H; /^$/!{$!ba;}; x; /./!{ s/^/available = no/; $!{G;x}; $H; }; s/.*//; x; };' ${CONFIGFILE}
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}
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function sighup_samba () {
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@@ -73,5 +73,5 @@ function sighup_samba () {
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parse_args "$@"
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find_config_info
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-del_samba_share $VOL
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+deactivate_samba_share $VOL
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sighup_samba
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--
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1.8.3.1
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