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|
#!/bin/bash
#
# rbdmap Ceph RBD Mapping
#
# chkconfig: 2345 20 80
# description: Ceph RBD Mapping
### BEGIN INIT INFO
# Provides: rbdmap
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Should-Start: ceph
# Should-Stop: ceph
# X-Start-Before: $x-display-manager
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Ceph RBD Mapping
# Description: Ceph RBD Mapping
### END INIT INFO
DESC="RBD Mapping:"
RBDMAPFILE="/etc/ceph/rbdmap"
. /lib/lsb/init-functions
do_map() {
if [ ! -f "$RBDMAPFILE" ]; then
log_warning_msg "$DESC : No $RBDMAPFILE found."
exit 0
fi
# Read /etc/rbdtab to create non-existant mapping
RET=0
while read DEV PARAMS; do
case "$DEV" in
""|\#*)
continue
;;
*/*)
;;
*)
DEV=rbd/$DEV
;;
esac
log_action_begin_msg "${DESC} '${DEV}'"
newrbd=""
MAP_RV=""
RET_OP=0
OIFS=$IFS
IFS=','
for PARAM in ${PARAMS[@]}; do
CMDPARAMS="$CMDPARAMS --$(echo $PARAM | tr '=' ' ')"
done
IFS=$OIFS
if [ ! -b /dev/rbd/$DEV ]; then
MAP_RV=$(rbd map $DEV $CMDPARAMS 2>&1)
if [ $? -eq 0 ]; then
newrbd="yes"
else
RET=$((${RET}+$?))
RET_OP=1
fi
fi
log_action_end_msg ${RET_OP} "${MAP_RV}"
if [ "$newrbd" ]; then
## Mount new rbd
MNT_RV=""
mount --fake /dev/rbd/$DEV >>/dev/null 2>&1 \
&& MNT_RV=$(mount -v /dev/rbd/$DEV 2>&1)
[ -n "${MNT_RV}" ] && log_action_msg "mount: ${MNT_RV}"
## post-mapping
if [ -x "/etc/ceph/rbd.d/${DEV}" ]; then
log_action_msg "RBD Running post-map hook '/etc/ceph/rbd.d/${DEV}'"
/etc/ceph/rbd.d/${DEV} map "/dev/rbd/${DEV}"
fi
fi
done < $RBDMAPFILE
exit ${RET}
}
do_unmap() {
RET=0
## Unmount and unmap all rbd devices
if ls /dev/rbd[0-9]* >/dev/null 2>&1; then
for DEV in /dev/rbd[0-9]*; do
## pre-unmapping
for L in $(find /dev/rbd -type l); do
LL="${L##/dev/rbd/}"
if [ "$(readlink -f $L)" = "${DEV}" ] \
&& [ -x "/etc/ceph/rbd.d/${LL}" ]; then
log_action_msg "RBD pre-unmap: '${DEV}' hook '/etc/ceph/rbd.d/${LL}'"
/etc/ceph/rbd.d/${LL} unmap "$L"
break
fi
done
log_action_begin_msg "RBD un-mapping: '${DEV}'"
UMNT_RV=""
UMAP_RV=""
RET_OP=0
MNT=$(findmnt --mtab --source ${DEV} --noheadings | awk '{print $1'})
if [ -n "${MNT}" ]; then
log_action_cont_msg "un-mounting '${MNT}'"
local ULAZY=""
local RUNLEVEL=$(runlevel | awk '{print $2}')
if [ $? -eq 0 ]; then
if [ "${RUNLEVEL}" -eq 0 ] \
|| [ "${RUNLEVEL}" -eq 6 ] ; then
ULAZY="-l"
if [ -x "$(which fuser)" ]; then
fuser -M -m "${MNT}" --kill -TERM
fi
fi
fi
UMNT_RV=$(umount ${ULAZY} "${MNT}" 2>&1)
fi
if mountpoint -q "${MNT}"; then
## Un-mounting failed.
RET_OP=1
RET=$((${RET}+1))
else
## Un-mapping.
UMAP_RV=$(rbd unmap $DEV 2>&1)
if [ $? -ne 0 ]; then
RET=$((${RET}+$?))
RET_OP=1
fi
fi
log_action_end_msg ${RET_OP} "${UMAP_RV}"
[ -n "${UMNT_RV}" ] && log_action_msg "${UMNT_RV}"
done
fi
exit ${RET}
}
case "$1" in
start)
do_map
;;
stop)
do_unmap
;;
restart|force-reload)
$0 stop
$0 start
;;
reload)
do_map
;;
status)
rbd showmapped
;;
*)
log_success_msg "Usage: rbdmap {start|stop|restart|force-reload|reload|status}"
exit 1
;;
esac
|
