/usr/bin/rbdmap is in ceph-common 10.1.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | #!/bin/sh
do_map() {
# default to reasonable value if RBDMAPFILE not set in environment
printenv RBDMAPFILE >/dev/null || local RBDMAPFILE=/etc/ceph/rbdmap
if [ ! -f "$RBDMAPFILE" ]; then
logger -p "daemon.warning" -t rbdmap "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/$DEV
;;
esac
logger -p "daemon.debug" -t rbdmap "Mapping '${DEV}'"
newrbd=""
MAP_RV=""
OIFS=$IFS
IFS=','
CMDPARAMS=""
for PARAM in ${PARAMS[@]}; do
CMDPARAMS="$CMDPARAMS --$(echo $PARAM | tr '=' ' ')"
done
IFS=$OIFS
if [ -b /dev/rbd/$DEV ]; then
MAP_RV="$(readlink -f /dev/rbd/$DEV)"
else
MAP_RV="$(rbd map $DEV $CMDPARAMS 2>&1)"
if [ $? -eq 0 ]; then
newrbd="yes"
else
RET=$((${RET}+$?))
logger -p "daemon.warning" -t rbdmap "Failed to map '${DEV}"
continue
fi
fi
logger -p "daemon.debug" -t rbdmap "Mapped '${DEV}' to '${MAP_RV}'"
if [ "$newrbd" ]; then
## Mount new rbd
MNT_RV=""
mount --fake /dev/rbd/$DEV >>/dev/null 2>&1 \
&& MNT_RV=$(mount -vn /dev/rbd/$DEV 2>&1)
[ -n "${MNT_RV}" ] && logger -p "daemon.debug" -t rbdmap "Mounted '${MAP_RV}' to '${MNT_RV}'"
## post-mapping
if [ -x "/etc/ceph/rbd.d/${DEV}" ]; then
logger -p "daemon.debug" -t rbdmap "Running post-map hook '/etc/ceph/rbd.d/${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/${LL}" ]; then
logger -p "daemon.debug" -t rbdmap "Running pre-unmap hook for '${DEV}': '/etc/ceph/rbd.d/${LL}'"
/etc/ceph/rbd.d/${LL} unmap "$L"
break
fi
done
logger -p "daemon.debug" -t rbdmap "Unmapping '${DEV}'"
MNT=$(findmnt --mtab --source ${DEV} --noheadings | awk '{print $1'})
if [ -n "${MNT}" ]; then
logger -p "daemon.debug" -t rbdmap "Unmounting '${MNT}'"
umount "${MNT}" >>/dev/null 2>&1
fi
if mountpoint -q "${MNT}"; then
## Un-mounting failed.
logger -p "daemon.warning" -t rbdmap "Failed to unmount '${MNT}'"
RET=$((${RET}+1))
continue
fi
## Un-mapping.
rbd unmap $DEV >>/dev/null 2>&1
if [ $? -ne 0 ]; then
logger -p "daemon.warning" -t rbdmap "Failed to unmap '${MNT}'"
RET=$((${RET}+$?))
continue
fi
logger -p "daemon.debug" -t rbdmap "Unmapped '${DEV}'"
done
fi
exit ${RET}
}
case "$1" in
map)
do_map
;;
unmap)
do_unmap
;;
*)
echo "Usage: rbdmap map | unmap"
esac
|