diff options
Diffstat (limited to 'src/ceph/qa/workunits/rbd/import_export.sh')
| -rwxr-xr-x | src/ceph/qa/workunits/rbd/import_export.sh | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/ceph/qa/workunits/rbd/import_export.sh b/src/ceph/qa/workunits/rbd/import_export.sh new file mode 100755 index 0000000..c9ecb8b --- /dev/null +++ b/src/ceph/qa/workunits/rbd/import_export.sh @@ -0,0 +1,233 @@ +#!/bin/sh -ex + +# returns data pool for a given image +get_image_data_pool () { + image=$1 + data_pool=$(rbd info $image | grep "data_pool: " | awk -F':' '{ print $NF }') + if [ -z $data_pool ]; then + data_pool='rbd' + fi + + echo $data_pool +} + +# return list of object numbers populated in image +objects () { + image=$1 + prefix=$(rbd info $image | grep block_name_prefix | awk '{print $NF;}') + + # strip off prefix and leading zeros from objects; sort, although + # it doesn't necessarily make sense as they're hex, at least it makes + # the list repeatable and comparable + objects=$(rados ls -p $(get_image_data_pool $image) | grep $prefix | \ + sed -e 's/'$prefix'\.//' -e 's/^0*\([0-9a-f]\)/\1/' | sort -u) + echo $objects +} + +# return false if either files don't compare or their ondisk +# sizes don't compare + +compare_files_and_ondisk_sizes () { + cmp -l $1 $2 || return 1 + origsize=$(stat $1 --format %b) + exportsize=$(stat $2 --format %b) + difference=$(($exportsize - $origsize)) + difference=${difference#-} # absolute value + test $difference -ge 0 -a $difference -lt 4096 +} + +TMPDIR=/tmp/rbd_import_export_$$ +rm -rf $TMPDIR +mkdir $TMPDIR +trap "rm -rf $TMPDIR" INT TERM EXIT + +# cannot import a dir +mkdir foo.$$ +rbd import foo.$$ foo.dir && exit 1 || true # should fail +rmdir foo.$$ + +# create a sparse file +dd if=/bin/sh of=${TMPDIR}/img bs=1k count=1 seek=10 +dd if=/bin/dd of=${TMPDIR}/img bs=1k count=10 seek=100 +dd if=/bin/rm of=${TMPDIR}/img bs=1k count=100 seek=1000 +dd if=/bin/ls of=${TMPDIR}/img bs=1k seek=10000 +dd if=/bin/ln of=${TMPDIR}/img bs=1k seek=100000 +dd if=/bin/grep of=${TMPDIR}/img bs=1k seek=1000000 + +rbd rm testimg || true + +rbd import $RBD_CREATE_ARGS ${TMPDIR}/img testimg +rbd export testimg ${TMPDIR}/img2 +rbd export testimg - > ${TMPDIR}/img3 +rbd rm testimg +cmp ${TMPDIR}/img ${TMPDIR}/img2 +cmp ${TMPDIR}/img ${TMPDIR}/img3 +rm ${TMPDIR}/img2 ${TMPDIR}/img3 + +# try again, importing from stdin +rbd import $RBD_CREATE_ARGS - testimg < ${TMPDIR}/img +rbd export testimg ${TMPDIR}/img2 +rbd export testimg - > ${TMPDIR}/img3 +rbd rm testimg +cmp ${TMPDIR}/img ${TMPDIR}/img2 +cmp ${TMPDIR}/img ${TMPDIR}/img3 + +rm ${TMPDIR}/img ${TMPDIR}/img2 ${TMPDIR}/img3 + +if rbd help export | grep -q export-format; then + # try with --export-format for snapshots + dd if=/bin/dd of=${TMPDIR}/img bs=1k count=10 seek=100 + rbd import $RBD_CREATE_ARGS ${TMPDIR}/img testimg + rbd snap create testimg@snap + rbd export --export-format 2 testimg ${TMPDIR}/img_v2 + rbd import --export-format 2 ${TMPDIR}/img_v2 testimg_import + rbd info testimg_import + rbd info testimg_import@snap + + # compare the contents between testimg and testimg_import + rbd export testimg_import ${TMPDIR}/img_import + compare_files_and_ondisk_sizes ${TMPDIR}/img ${TMPDIR}/img_import + + rbd export testimg@snap ${TMPDIR}/img_snap + rbd export testimg_import@snap ${TMPDIR}/img_snap_import + compare_files_and_ondisk_sizes ${TMPDIR}/img_snap ${TMPDIR}/img_snap_import + + rm ${TMPDIR}/img_v2 + rm ${TMPDIR}/img_import + rm ${TMPDIR}/img_snap + rm ${TMPDIR}/img_snap_import + + rbd snap rm testimg_import@snap + rbd remove testimg_import + rbd snap rm testimg@snap + rbd rm testimg + + # order + rbd import --order 20 ${TMPDIR}/img testimg + rbd export --export-format 2 testimg ${TMPDIR}/img_v2 + rbd import --export-format 2 ${TMPDIR}/img_v2 testimg_import + rbd info testimg_import|grep order|awk '{print $2}'|grep 20 + + rm ${TMPDIR}/img_v2 + + rbd remove testimg_import + rbd remove testimg + + # features + rbd import --image-feature layering ${TMPDIR}/img testimg + FEATURES_BEFORE=`rbd info testimg|grep features` + rbd export --export-format 2 testimg ${TMPDIR}/img_v2 + rbd import --export-format 2 ${TMPDIR}/img_v2 testimg_import + FEATURES_AFTER=`rbd info testimg_import|grep features` + if [ "$FEATURES_BEFORE" != "$FEATURES_AFTER" ]; then + false + fi + + rm ${TMPDIR}/img_v2 + + rbd remove testimg_import + rbd remove testimg + + # stripe + rbd import --stripe-count 1000 --stripe-unit 4096 ${TMPDIR}/img testimg + rbd export --export-format 2 testimg ${TMPDIR}/img_v2 + rbd import --export-format 2 ${TMPDIR}/img_v2 testimg_import + rbd info testimg_import|grep "stripe unit"|awk '{print $3}'|grep 4096 + rbd info testimg_import|grep "stripe count"|awk '{print $3}'|grep 1000 + + rm ${TMPDIR}/img_v2 + + rbd remove testimg_import + rbd remove testimg +fi + +tiered=0 +if ceph osd dump | grep ^pool | grep "'rbd'" | grep tier; then + tiered=1 +fi + +# create specifically sparse files +# 1 1M block of sparse, 1 1M block of random +dd if=/dev/urandom bs=1M seek=1 count=1 of=${TMPDIR}/sparse1 + +# 1 1M block of random, 1 1M block of sparse +dd if=/dev/urandom bs=1M count=1 of=${TMPDIR}/sparse2; truncate ${TMPDIR}/sparse2 -s 2M + +# 1M-block images; validate resulting blocks + +# 1M sparse, 1M data +rbd rm sparse1 || true +rbd import $RBD_CREATE_ARGS --order 20 ${TMPDIR}/sparse1 +rbd ls -l | grep sparse1 | grep -Ei '(2M|2048k)' +[ $tiered -eq 1 -o "$(objects sparse1)" = '1' ] + +# export, compare contents and on-disk size +rbd export sparse1 ${TMPDIR}/sparse1.out +compare_files_and_ondisk_sizes ${TMPDIR}/sparse1 ${TMPDIR}/sparse1.out +rm ${TMPDIR}/sparse1.out +rbd rm sparse1 + +# 1M data, 1M sparse +rbd rm sparse2 || true +rbd import $RBD_CREATE_ARGS --order 20 ${TMPDIR}/sparse2 +rbd ls -l | grep sparse2 | grep -Ei '(2M|2048k)' +[ $tiered -eq 1 -o "$(objects sparse2)" = '0' ] +rbd export sparse2 ${TMPDIR}/sparse2.out +compare_files_and_ondisk_sizes ${TMPDIR}/sparse2 ${TMPDIR}/sparse2.out +rm ${TMPDIR}/sparse2.out +rbd rm sparse2 + +# extend sparse1 to 10 1M blocks, sparse at the end +truncate ${TMPDIR}/sparse1 -s 10M +# import from stdin just for fun, verify still sparse +rbd import $RBD_CREATE_ARGS --order 20 - sparse1 < ${TMPDIR}/sparse1 +rbd ls -l | grep sparse1 | grep -Ei '(10M|10240k)' +[ $tiered -eq 1 -o "$(objects sparse1)" = '1' ] +rbd export sparse1 ${TMPDIR}/sparse1.out +compare_files_and_ondisk_sizes ${TMPDIR}/sparse1 ${TMPDIR}/sparse1.out +rm ${TMPDIR}/sparse1.out +rbd rm sparse1 + +# extend sparse2 to 4M total with two more nonsparse megs +dd if=/dev/urandom bs=2M count=1 of=${TMPDIR}/sparse2 oflag=append conv=notrunc +# again from stding +rbd import $RBD_CREATE_ARGS --order 20 - sparse2 < ${TMPDIR}/sparse2 +rbd ls -l | grep sparse2 | grep -Ei '(4M|4096k)' +[ $tiered -eq 1 -o "$(objects sparse2)" = '0 2 3' ] +rbd export sparse2 ${TMPDIR}/sparse2.out +compare_files_and_ondisk_sizes ${TMPDIR}/sparse2 ${TMPDIR}/sparse2.out +rm ${TMPDIR}/sparse2.out +rbd rm sparse2 + +# zeros import to a sparse image. Note: all zeros currently +# doesn't work right now due to the way we handle 'empty' fiemaps; +# the image ends up zero-filled. + +echo "partially-sparse file imports to partially-sparse image" +rbd import $RBD_CREATE_ARGS --order 20 ${TMPDIR}/sparse1 sparse +[ $tiered -eq 1 -o "$(objects sparse)" = '1' ] +rbd rm sparse + +echo "zeros import through stdin to sparse image" +# stdin +dd if=/dev/zero bs=1M count=4 | rbd import $RBD_CREATE_ARGS - sparse +[ $tiered -eq 1 -o "$(objects sparse)" = '' ] +rbd rm sparse + +echo "zeros export to sparse file" +# Must be tricky to make image "by hand" ; import won't create a zero image +rbd create $RBD_CREATE_ARGS sparse --size 4 +prefix=$(rbd info sparse | grep block_name_prefix | awk '{print $NF;}') +# drop in 0 object directly +dd if=/dev/zero bs=4M count=1 | rados -p $(get_image_data_pool sparse) \ + put ${prefix}.000000000000 - +[ $tiered -eq 1 -o "$(objects sparse)" = '0' ] +# 1 object full of zeros; export should still create 0-disk-usage file +rm ${TMPDIR}/sparse || true +rbd export sparse ${TMPDIR}/sparse +[ $(stat ${TMPDIR}/sparse --format=%b) = '0' ] +rbd rm sparse + +rm ${TMPDIR}/sparse ${TMPDIR}/sparse1 ${TMPDIR}/sparse2 ${TMPDIR}/sparse3 || true + +echo OK |