diff options
| author | Niels de Vos <ndevos@redhat.com> | 2015-12-28 10:26:20 +0100 |
|---|---|---|
| committer | Kaleb KEITHLEY <kkeithle@redhat.com> | 2016-01-12 07:38:22 -0800 |
| commit | 2b2294d2a4ef221fccb6eb9f74e9b7dc233b9f1d (patch) | |
| tree | d6748e6cbc18607839260973c0b15305b3735307 /extras | |
| parent | 7d4f708b18c1e6c965ebe8c84e14dd69ae4b7859 (diff) | |
scripts: prevent running 'showmount' from the start/post hook script
The 31ganesha-start.sh hook script tries to run 'showmount' to see if
the volume that is getting started should get exported by NFS-Ganesha.
It was reported that this caused the 'gluster volume start ...' command
to hang in case rpcbind is not running.
Instead of running 'showmount', we can use DBus to contact NFS-Ganesha
directly, and request the available exports. This will immediately fail
in case NFS-Ganesha is not running.
BUG: 1294446
Change-Id: I3aba1f86fead67116ca5adb1864a8be626c334fa
Reported-by: Jeff Darcy <jdarcy@redhat.com>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-on: http://review.gluster.org/13098
Tested-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-by: jiffin tony Thottan <jthottan@redhat.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Diffstat (limited to 'extras')
| -rwxr-xr-x | extras/hook-scripts/start/post/S31ganesha-start.sh | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/extras/hook-scripts/start/post/S31ganesha-start.sh b/extras/hook-scripts/start/post/S31ganesha-start.sh index 9ca07e5a8d6..b85c789b9ed 100755 --- a/extras/hook-scripts/start/post/S31ganesha-start.sh +++ b/extras/hook-scripts/start/post/S31ganesha-start.sh @@ -103,23 +103,43 @@ function start_ganesha() } - parse_args $@ - is_exported="no" - if showmount -e localhost | cut -d "" -f1 | grep -q "/$VOL[[:space:]]" - then - is_exported="yes" - fi - ganesha_value=$(grep $ganesha_key $GLUSTERD_WORKDIR/vols/$VOL/info |\ - cut -d"=" -f2) - if [ "$ganesha_value" = "on" -a "$is_exported" = "no" ] +# based on src/scripts/ganeshactl/Ganesha/export_mgr.py +function is_exported() +{ + local volume="${1}" + + dbus-send --type=method_call --print-reply --system \ + --dest=org.ganesha.nfsd /org/ganesha/nfsd/ExportMgr \ + org.ganesha.nfsd.exportmgr.ShowExports \ + | grep -w -q "/${volume}" + + return $? +} + +# Check the info file (contains the volume options) to see if Ganesha is +# enabled for this volume. +function ganesha_enabled() +{ + local volume="${1}" + local info_file="${GLUSTERD_WORKDIR}/vols/${VOL}/info" + local enabled="off" + + enabled=$(grep -w ${ganesha_key} ${info_file} | cut -d"=" -f2) + + [ "${enabled}" == "on" ] + + return $? +} + +parse_args $@ + +if ganesha_enabled ${VOL} && ! is_exported ${VOL} +then + if [ ! -e ${GANESHA_DIR}/exports/export.${VOL}.conf ] then - if [ ! -e $GANESHA_DIR/exports/export.$VOL.conf ] - then - write_conf $VOL > $GANESHA_DIR/exports/export.$VOL.conf - fi - start_ganesha $VOL - else - exit 0 + write_conf ${VOL} > ${GANESHA_DIR}/exports/export.${VOL}.conf fi + start_ganesha ${VOL} +fi - +exit 0 |