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|
#!/bin/bash -ex
. $(dirname $0)/../../standalone/ceph-helpers.sh
POOL=rbd
IMAGE=testrbdnbd$$
SIZE=64
DATA=
DEV=
_sudo()
{
local cmd
if [ `id -u` -eq 0 ]
then
"$@"
return $?
fi
# Look for the command in the user path. If it fails run it as is,
# supposing it is in sudo path.
cmd=`which $1 2>/dev/null` || cmd=$1
shift
sudo -nE "${cmd}" "$@"
}
setup()
{
if [ -e CMakeCache.txt ]; then
# running under cmake build dir
CEPH_SRC=$(readlink -f $(dirname $0)/../../../src)
CEPH_ROOT=${PWD}
CEPH_BIN=${CEPH_ROOT}/bin
export LD_LIBRARY_PATH=${CEPH_ROOT}/lib:${LD_LIBRARY_PATH}
export PYTHONPATH=${PYTHONPATH}:${CEPH_SRC}/pybind
for x in ${CEPH_ROOT}/lib/cython_modules/lib* ; do
PYTHONPATH="${PYTHONPATH}:${x}"
done
PATH=${CEPH_BIN}:${PATH}
fi
_sudo echo test sudo
trap cleanup INT TERM EXIT
TEMPDIR=`mktemp -d`
DATA=${TEMPDIR}/data
dd if=/dev/urandom of=${DATA} bs=1M count=${SIZE}
rbd --dest-pool ${POOL} --no-progress import ${DATA} ${IMAGE}
}
function cleanup()
{
set +e
rm -Rf ${TMPDIR}
if [ -n "${DEV}" ]
then
_sudo rbd-nbd unmap ${DEV}
fi
if rbd -p ${POOL} status ${IMAGE} 2>/dev/null; then
for s in 0.5 1 2 4 8 16 32; do
sleep $s
rbd -p ${POOL} status ${IMAGE} | grep 'Watchers: none' && break
done
rbd -p ${POOL} remove ${IMAGE}
fi
}
function expect_false()
{
if "$@"; then return 1; else return 0; fi
}
#
# main
#
setup
# exit status test
expect_false rbd-nbd
expect_false rbd-nbd INVALIDCMD
if [ `id -u` -ne 0 ]
then
expect_false rbd-nbd map ${IMAGE}
fi
expect_false _sudo rbd-nbd map INVALIDIMAGE
expect_false _sudo rbd-nbd --device INVALIDDEV map ${IMAGE}
# map test using the first unused device
DEV=`_sudo rbd-nbd map ${POOL}/${IMAGE}`
PID=$(rbd-nbd list-mapped | awk -v pool=${POOL} -v img=${IMAGE} -v dev=${DEV} \
'$2 == pool && $3 == img && $5 == dev {print $1}')
test -n "${PID}"
ps -p ${PID} -o cmd | grep rbd-nbd
# map test specifying the device
expect_false _sudo rbd-nbd --device ${DEV} map ${POOL}/${IMAGE}
dev1=${DEV}
_sudo rbd-nbd unmap ${DEV}
rbd-nbd list-mapped | expect_false grep "${DEV} $"
DEV=
# XXX: race possible when the device is reused by other process
DEV=`_sudo rbd-nbd --device ${dev1} map ${POOL}/${IMAGE}`
[ "${DEV}" = "${dev1}" ]
rbd-nbd list-mapped | grep "${IMAGE}"
PID=$(rbd-nbd list-mapped | awk -v pool=${POOL} -v img=${IMAGE} -v dev=${DEV} \
'$2 == pool && $3 == img && $5 == dev {print $1}')
test -n "${PID}"
ps -p ${PID} -o cmd | grep rbd-nbd
# read test
[ "`dd if=${DATA} bs=1M | md5sum`" = "`_sudo dd if=${DEV} bs=1M | md5sum`" ]
# write test
dd if=/dev/urandom of=${DATA} bs=1M count=${SIZE}
_sudo dd if=${DATA} of=${DEV} bs=1M oflag=direct
[ "`dd if=${DATA} bs=1M | md5sum`" = "`rbd -p ${POOL} --no-progress export ${IMAGE} - | md5sum`" ]
# trim test
provisioned=`rbd -p ${POOL} --format xml du ${IMAGE} |
$XMLSTARLET sel -t -m "//stats/images/image/provisioned_size" -v .`
used=`rbd -p ${POOL} --format xml du ${IMAGE} |
$XMLSTARLET sel -t -m "//stats/images/image/used_size" -v .`
[ "${used}" -eq "${provisioned}" ]
_sudo mkfs.ext4 -E discard ${DEV} # better idea?
sync
provisioned=`rbd -p ${POOL} --format xml du ${IMAGE} |
$XMLSTARLET sel -t -m "//stats/images/image/provisioned_size" -v .`
used=`rbd -p ${POOL} --format xml du ${IMAGE} |
$XMLSTARLET sel -t -m "//stats/images/image/used_size" -v .`
[ "${used}" -lt "${provisioned}" ]
# resize test
devname=$(basename ${DEV})
blocks=$(awk -v dev=${devname} '$4 == dev {print $3}' /proc/partitions)
test -n "${blocks}"
rbd resize ${POOL}/${IMAGE} --size $((SIZE * 2))M
rbd info ${POOL}/${IMAGE}
blocks2=$(awk -v dev=${devname} '$4 == dev {print $3}' /proc/partitions)
test -n "${blocks2}"
test ${blocks2} -eq $((blocks * 2))
rbd resize ${POOL}/${IMAGE} --allow-shrink --size ${SIZE}M
blocks2=$(awk -v dev=${devname} '$4 == dev {print $3}' /proc/partitions)
test -n "${blocks2}"
test ${blocks2} -eq ${blocks}
# read-only option test
_sudo rbd-nbd unmap ${DEV}
DEV=`_sudo rbd-nbd map --read-only ${POOL}/${IMAGE}`
PID=$(rbd-nbd list-mapped | awk -v pool=${POOL} -v img=${IMAGE} -v dev=${DEV} \
'$2 == pool && $3 == img && $5 == dev {print $1}')
test -n "${PID}"
ps -p ${PID} -o cmd | grep rbd-nbd
_sudo dd if=${DEV} of=/dev/null bs=1M
expect_false _sudo dd if=${DATA} of=${DEV} bs=1M oflag=direct
_sudo rbd-nbd unmap ${DEV}
# exclusive option test
DEV=`_sudo rbd-nbd map --exclusive ${POOL}/${IMAGE}`
PID=$(rbd-nbd list-mapped | awk -v pool=${POOL} -v img=${IMAGE} -v dev=${DEV} \
'$2 == pool && $3 == img && $5 == dev {print $1}')
test -n "${PID}"
ps -p ${PID} -o cmd | grep rbd-nbd
_sudo dd if=${DATA} of=${DEV} bs=1M oflag=direct
expect_false timeout 10 \
rbd bench ${IMAGE} --io-type write --io-size=1024 --io-total=1024
_sudo rbd-nbd unmap ${DEV}
# auto unmap test
DEV=`_sudo rbd-nbd map ${POOL}/${IMAGE}`
PID=$(rbd-nbd list-mapped | awk -v pool=${POOL} -v img=${IMAGE} -v dev=${DEV} \
'$2 == pool && $3 == img && $5 == dev {print $1}')
test -n "${PID}"
ps -p ${PID} -o cmd | grep rbd-nbd
_sudo kill ${PID}
for i in `seq 10`; do
rbd-nbd list-mapped | expect_false grep "^${PID} *${POOL} *${IMAGE}" && break
sleep 1
done
rbd-nbd list-mapped | expect_false grep "^${PID} *${POOL} *${IMAGE}"
DEV=
rbd bench ${IMAGE} --io-type write --io-size=1024 --io-total=1024
echo OK
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