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|
#!/usr/bin/env bash
set -ex
TEMPDIR=
IMAGE1=image1
IMAGE2=image2
IMAGE3=image3
IMAGES="${IMAGE1} ${IMAGE2} ${IMAGE3}"
cleanup() {
kill_nbd_server
cleanup_tempdir
remove_images
}
setup_tempdir() {
TEMPDIR=`mktemp -d`
}
cleanup_tempdir() {
rm -rf ${TEMPDIR}
}
expect_false() {
if "$@"; then return 1; else return 0; fi
}
create_base_image() {
local image=$1
# size is not a multiple of object size to trigger an edge case in
# list-snaps
rbd create --size 1025M ${image}
rbd bench --io-type write --io-pattern rand --io-size=4K --io-total 256M ${image}
rbd snap create ${image}@1
rbd bench --io-type write --io-pattern rand --io-size=4K --io-total 64M ${image}
rbd snap create ${image}@2
rbd bench --io-type write --io-pattern rand --io-size=4K --io-total 128M ${image}
}
export_raw_image() {
local image=$1
rm -rf "${TEMPDIR}/${image}"
rbd export ${image} "${TEMPDIR}/${image}"
}
export_base_image() {
local image=$1
export_raw_image "${image}"
export_raw_image "${image}@1"
export_raw_image "${image}@2"
}
remove_image() {
local image=$1
(rbd migration abort $image || true) >/dev/null 2>&1
(rbd snap purge $image || true) >/dev/null 2>&1
(rbd rm $image || true) >/dev/null 2>&1
}
remove_images() {
for image in ${IMAGES}
do
remove_image ${image}
done
}
kill_nbd_server() {
pkill -9 qemu-nbd || true
}
show_diff()
{
local file1=$1
local file2=$2
xxd "${file1}" > "${file1}.xxd"
xxd "${file2}" > "${file2}.xxd"
sdiff -s "${file1}.xxd" "${file2}.xxd" | head -n 64
rm -f "${file1}.xxd" "${file2}.xxd"
}
compare_images() {
local src_image=$1
local dst_image=$2
local ret=0
export_raw_image ${dst_image}
if ! cmp "${TEMPDIR}/${src_image}" "${TEMPDIR}/${dst_image}"
then
show_diff "${TEMPDIR}/${src_image}" "${TEMPDIR}/${dst_image}"
ret=1
fi
return ${ret}
}
test_import_native_format() {
local base_image=$1
local dest_image=$2
rbd migration prepare --import-only "rbd/${base_image}@2" ${dest_image}
rbd migration abort ${dest_image}
local pool_id=$(ceph osd pool ls detail --format xml | xmlstarlet sel -t -v "//pools/pool[pool_name='rbd']/pool_id")
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "native",
"pool_id": ${pool_id},
"pool_namespace": "",
"image_name": "${base_image}",
"snap_name": "2"
}
EOF
cat ${TEMPDIR}/spec.json
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
compare_images "${base_image}@1" "${dest_image}@1"
compare_images "${base_image}@2" "${dest_image}@2"
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
rbd migration execute ${dest_image}
compare_images "${base_image}@1" "${dest_image}@1"
compare_images "${base_image}@2" "${dest_image}@2"
rbd migration abort ${dest_image}
# no snap name or snap id
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\"}" \
${dest_image}
# invalid source spec JSON
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_name\": non-existing}" \
${dest_image}
# non-existing snap name
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_name\": \"non-existing\"}" \
${dest_image}
# invalid snap name
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_name\": 123456}" \
${dest_image}
# non-existing snap id passed as int
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_id\": 123456}" \
${dest_image}
# non-existing snap id passed as string
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_id\": \"123456\"}" \
${dest_image}
# invalid snap id
expect_false rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_id\": \"foobar\"}" \
${dest_image}
# snap id passed as int
local snap_id=$(rbd snap ls ${base_image} --format xml | xmlstarlet sel -t -v "//snapshots/snapshot[name='2']/id")
rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_id\": ${snap_id}}" \
${dest_image}
rbd migration abort ${dest_image}
# snap id passed as string
rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_id\": \"${snap_id}\"}" \
${dest_image}
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_id\": ${pool_id}, \"image_name\": \"${base_image}\", \"snap_name\": \"2\"}" \
${dest_image}
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec "{\"type\": \"native\", \"pool_name\": \"rbd\", \"image_name\": \"${base_image}\", \"snap_name\": \"2\"}" \
${dest_image}
rbd migration execute ${dest_image}
rbd migration commit ${dest_image}
compare_images "${base_image}@1" "${dest_image}@1"
compare_images "${base_image}@2" "${dest_image}@2"
remove_image "${dest_image}"
}
test_import_qcow_format() {
local base_image=$1
local dest_image=$2
if ! qemu-img convert -f raw -O qcow rbd:rbd/${base_image} ${TEMPDIR}/${base_image}.qcow; then
echo "skipping QCOW test"
return 0
fi
qemu-img info -f qcow ${TEMPDIR}/${base_image}.qcow
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "qcow",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}.qcow"
}
}
EOF
cat ${TEMPDIR}/spec.json
set +e
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
local error_code=$?
set -e
if [ $error_code -eq 95 ]; then
echo "skipping QCOW test (librbd support disabled)"
return 0
fi
test $error_code -eq 0
compare_images "${base_image}" "${dest_image}"
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
compare_images "${base_image}" "${dest_image}"
rbd migration execute ${dest_image}
compare_images "${base_image}" "${dest_image}"
rbd migration commit ${dest_image}
compare_images "${base_image}" "${dest_image}"
remove_image "${dest_image}"
}
test_import_qcow2_format() {
local base_image=$1
local dest_image=$2
# create new image via qemu-img and its bench tool since we cannot
# import snapshot deltas into QCOW2
qemu-img create -f qcow2 ${TEMPDIR}/${base_image}.qcow2 1G
qemu-img bench -f qcow2 -w -c 65536 -d 16 --pattern 65 -s 4096 \
-S $((($RANDOM % 262144) * 4096)) ${TEMPDIR}/${base_image}.qcow2
qemu-img convert -f qcow2 -O raw ${TEMPDIR}/${base_image}.qcow2 \
"${TEMPDIR}/${base_image}@snap1"
qemu-img snapshot -c "snap1" ${TEMPDIR}/${base_image}.qcow2
qemu-img bench -f qcow2 -w -c 16384 -d 16 --pattern 66 -s 4096 \
-S $((($RANDOM % 262144) * 4096)) ${TEMPDIR}/${base_image}.qcow2
qemu-img convert -f qcow2 -O raw ${TEMPDIR}/${base_image}.qcow2 \
"${TEMPDIR}/${base_image}@snap2"
qemu-img snapshot -c "snap2" ${TEMPDIR}/${base_image}.qcow2
qemu-img bench -f qcow2 -w -c 32768 -d 16 --pattern 67 -s 4096 \
-S $((($RANDOM % 262144) * 4096)) ${TEMPDIR}/${base_image}.qcow2
qemu-img convert -f qcow2 -O raw ${TEMPDIR}/${base_image}.qcow2 \
${TEMPDIR}/${base_image}
qemu-img info -f qcow2 ${TEMPDIR}/${base_image}.qcow2
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "qcow",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}.qcow2"
}
}
EOF
cat ${TEMPDIR}/spec.json
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
compare_images "${base_image}@snap1" "${dest_image}@snap1"
compare_images "${base_image}@snap2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}"
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
compare_images "${base_image}@snap1" "${dest_image}@snap1"
compare_images "${base_image}@snap2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}"
rbd migration execute ${dest_image}
compare_images "${base_image}@snap1" "${dest_image}@snap1"
compare_images "${base_image}@snap2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}"
rbd migration commit ${dest_image}
compare_images "${base_image}@snap1" "${dest_image}@snap1"
compare_images "${base_image}@snap2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}"
remove_image "${dest_image}"
}
test_import_raw_format() {
local base_image=$1
local dest_image=$2
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "raw",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}"
}
}
EOF
cat ${TEMPDIR}/spec.json
cat ${TEMPDIR}/spec.json | rbd migration prepare --import-only \
--source-spec-path - ${dest_image}
compare_images ${base_image} ${dest_image}
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
rbd migration execute ${dest_image}
rbd migration commit ${dest_image}
compare_images ${base_image} ${dest_image}
remove_image "${dest_image}"
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "raw",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}"
},
"snapshots": [{
"type": "raw",
"name": "snap1",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}@1"
}
}, {
"type": "raw",
"name": "snap2",
"stream": {
"type": "file",
"file_path": "${TEMPDIR}/${base_image}@2"
}
}]
}
EOF
cat ${TEMPDIR}/spec.json
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
rbd snap create ${dest_image}@head
rbd bench --io-type write --io-pattern rand --io-size=32K --io-total=32M ${dest_image}
compare_images "${base_image}" "${dest_image}@head"
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
rbd migration execute ${dest_image}
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
rbd migration commit ${dest_image}
remove_image "${dest_image}"
}
test_import_nbd_stream_qcow2() {
local base_image=$1
local dest_image=$2
qemu-nbd -f qcow2 --read-only --shared 10 --persistent --fork \
${TEMPDIR}/${base_image}.qcow2
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "raw",
"stream": {
"type": "nbd",
"uri": "nbd://localhost"
}
}
EOF
cat ${TEMPDIR}/spec.json
cat ${TEMPDIR}/spec.json | rbd migration prepare --import-only \
--source-spec-path - ${dest_image}
compare_images ${base_image} ${dest_image}
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
compare_images ${base_image} ${dest_image}
rbd migration execute ${dest_image}
compare_images ${base_image} ${dest_image}
rbd migration commit ${dest_image}
compare_images ${base_image} ${dest_image}
remove_image "${dest_image}"
# shortest possible URI
rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd://"}}' \
${dest_image}
rbd migration abort ${dest_image}
# non-existing export name
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd:///myexport"}}' \
${dest_image}
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd://localhost/myexport"}}' \
${dest_image}
kill_nbd_server
qemu-nbd --export-name myexport -f qcow2 --read-only --shared 10 --persistent --fork \
${TEMPDIR}/${base_image}.qcow2
rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd:///myexport"}}' \
${dest_image}
rbd migration abort ${dest_image}
rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd://localhost/myexport"}}' \
${dest_image}
rbd migration abort ${dest_image}
kill_nbd_server
# server not running
expect_false rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd://"}}' \
${dest_image}
# no URI
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd"}}' \
${dest_image}
# invalid URI
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": 123456}}' \
${dest_image}
# libnbd - nbd_get_errno() returns an error
# nbd_connect_uri: unknown URI scheme: NULL: Invalid argument (errno = 22)
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": ""}}' \
${dest_image}
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "foo.example.com"}}' \
${dest_image}
# libnbd - nbd_get_errno() returns 0, EIO fallback
# nbd_connect_uri: getaddrinfo: foo.example.com:10809: Name or service not known (errno = 0)
expect_false rbd migration prepare --import-only \
--source-spec '{"type": "raw", "stream": {"type": "nbd", "uri": "nbd://foo.example.com"}}' \
${dest_image}
}
test_import_nbd_stream_raw() {
local base_image=$1
local dest_image=$2
qemu-nbd -f raw --read-only --shared 10 --persistent --fork \
--socket ${TEMPDIR}/qemu-nbd-${base_image} ${TEMPDIR}/${base_image}
qemu-nbd -f raw --read-only --shared 10 --persistent --fork \
--socket ${TEMPDIR}/qemu-nbd-${base_image}@1 ${TEMPDIR}/${base_image}@1
qemu-nbd -f raw --read-only --shared 10 --persistent --fork \
--socket ${TEMPDIR}/qemu-nbd-${base_image}@2 ${TEMPDIR}/${base_image}@2
cat > ${TEMPDIR}/spec.json <<EOF
{
"type": "raw",
"stream": {
"type": "nbd",
"uri": "nbd+unix:///?socket=${TEMPDIR}/qemu-nbd-${base_image}"
},
"snapshots": [{
"type": "raw",
"name": "snap1",
"stream": {
"type": "nbd",
"uri": "nbd+unix:///?socket=${TEMPDIR}/qemu-nbd-${base_image}@1"
}
}, {
"type": "raw",
"name": "snap2",
"stream": {
"type": "nbd",
"uri": "nbd+unix:///?socket=${TEMPDIR}/qemu-nbd-${base_image}@2"
}
}]
}
EOF
cat ${TEMPDIR}/spec.json
rbd migration prepare --import-only \
--source-spec-path ${TEMPDIR}/spec.json ${dest_image}
rbd snap create ${dest_image}@head
rbd bench --io-type write --io-pattern rand --io-size 32K --io-total 4M ${dest_image}
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
rbd migration abort ${dest_image}
cat ${TEMPDIR}/spec.json | rbd migration prepare --import-only \
--source-spec-path - ${dest_image}
rbd snap create ${dest_image}@head
rbd bench --io-type write --io-pattern rand --io-size 64K --io-total 8M ${dest_image}
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
rbd migration execute ${dest_image}
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
rbd migration commit ${dest_image}
compare_images "${base_image}@1" "${dest_image}@snap1"
compare_images "${base_image}@2" "${dest_image}@snap2"
compare_images "${base_image}" "${dest_image}@head"
remove_image "${dest_image}"
kill_nbd_server
}
# make sure rbd pool is EMPTY.. this is a test script!!
rbd ls 2>&1 | wc -l | grep -v '^0$' && echo "nonempty rbd pool, aborting! run this script on an empty test cluster only." && exit 1
setup_tempdir
trap 'cleanup $?' INT TERM EXIT
create_base_image ${IMAGE1}
export_base_image ${IMAGE1}
test_import_native_format ${IMAGE1} ${IMAGE2}
test_import_qcow_format ${IMAGE1} ${IMAGE2}
test_import_qcow2_format ${IMAGE2} ${IMAGE3}
test_import_nbd_stream_qcow2 ${IMAGE2} ${IMAGE3}
test_import_raw_format ${IMAGE1} ${IMAGE2}
test_import_nbd_stream_raw ${IMAGE1} ${IMAGE2}
echo OK
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