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Diffstat (limited to 'tests/qemu-iotests/223')
| -rwxr-xr-x | tests/qemu-iotests/223 | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/tests/qemu-iotests/223 b/tests/qemu-iotests/223 new file mode 100755 index 000000000..da87f2f4a --- /dev/null +++ b/tests/qemu-iotests/223 @@ -0,0 +1,218 @@ +#!/usr/bin/env bash +# group: rw quick +# +# Test reading dirty bitmap over NBD +# +# Copyright (C) 2018-2020 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +seq="$(basename $0)" +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + nbd_server_stop + _cleanup_test_img + _cleanup_qemu + rm -f "$SOCK_DIR/nbd" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.qemu +. ./common.nbd + +_supported_fmt qcow2 +_supported_proto file # uses NBD as well +_supported_os Linux +# Persistent dirty bitmaps require compat=1.1 +_unsupported_imgopts 'compat=0.10' + +do_run_qemu() +{ + echo Testing: "$@" + $QEMU -nographic -qmp stdio -serial none "$@" + echo +} + +run_qemu() +{ + do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \ + | _filter_qemu | _filter_imgfmt \ + | _filter_actual_image_size +} + +echo +echo "=== Create partially sparse image, then add dirty bitmaps ===" +echo + +# Two bitmaps, to contrast granularity issues +# Also note that b will be disabled, while b2 is left enabled, to +# check for read-only interactions +_make_test_img -o cluster_size=4k 4M +$QEMU_IO -c 'w -P 0x11 1M 2M' "$TEST_IMG" | _filter_qemu_io +run_qemu <<EOF +{ "execute": "qmp_capabilities" } +{ "execute": "blockdev-add", + "arguments": { + "driver": "$IMGFMT", + "node-name": "n", + "file": { + "driver": "file", + "filename": "$TEST_IMG" + } + } +} +{ "execute": "block-dirty-bitmap-add", + "arguments": { + "node": "n", + "name": "b", + "persistent": true, + "granularity": 65536 + } +} +{ "execute": "block-dirty-bitmap-add", + "arguments": { + "node": "n", + "name": "b2", + "persistent": true, + "granularity": 512 + } +} +{ "execute": "quit" } +EOF + +echo +echo "=== Write part of the file under active bitmap ===" +echo + +$QEMU_IO -c 'w -P 0x22 512 512' -c 'w -P 0x33 2M 2M' "$TEST_IMG" \ + | _filter_qemu_io + +echo +echo "=== End dirty bitmaps, and start serving image over NBD ===" +echo + +_launch_qemu -object iothread,id=io0 2> >(_filter_nbd) + +# Intentionally provoke some errors as well, to check error handling +silent= +_send_qemu_cmd $QEMU_HANDLE '{"execute":"qmp_capabilities"}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"blockdev-add", + "arguments":{"driver":"qcow2", "node-name":"n", + "file":{"driver":"file", "filename":"'"$TEST_IMG"'"}}}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"block-dirty-bitmap-disable", + "arguments":{"node":"n", "name":"b"}}' "return" + +for attempt in normal iothread; do + +echo +echo "=== Set up NBD with $attempt access ===" +echo +if [ $attempt = iothread ]; then +_send_qemu_cmd $QEMU_HANDLE '{"execute":"x-blockdev-set-iothread", + "arguments":{"node-name":"n", "iothread":"io0"}}' "return" +fi + +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n"}}' "error" # Attempt add without server +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start", + "arguments":{"addr":{"type":"unix", + "data":{"path":"'"$SOCK_DIR/nbd"'"}}}}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start", + "arguments":{"addr":{"type":"unix", + "data":{"path":"'"$SOCK_DIR/nbd"1'"}}}}' "error" # Attempt second server +$QEMU_NBD_PROG -L -k "$SOCK_DIR/nbd" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n", "bitmap":"b"}}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"nosuch"}}' "error" # Attempt to export missing node +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n"}}' "error" # Attempt to export same name twice +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n", "name":"n2", + "bitmap":"b2"}}' "error" # enabled vs. read-only +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n", "name":"n2", + "bitmap":"b3"}}' "error" # Missing bitmap +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", + "arguments":{"device":"n", "name":"n2", "writable":true, + "description":"some text", "bitmap":"b2"}}' "return" +$QEMU_NBD_PROG -L -k "$SOCK_DIR/nbd" + +echo +echo "=== Contrast normal status to large granularity dirty-bitmap ===" +echo + +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT +IMG="driver=nbd,export=n,server.type=unix,server.path=$SOCK_DIR/nbd" +$QEMU_IO -r -c 'r -P 0x22 512 512' -c 'r -P 0 512k 512k' -c 'r -P 0x11 1m 1m' \ + -c 'r -P 0x33 2m 2m' --image-opts "$IMG" | _filter_qemu_io +$QEMU_IMG map --output=json --image-opts \ + "$IMG" | _filter_qemu_img_map +$QEMU_IMG map --output=json --image-opts \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b" | _filter_qemu_img_map + +echo +echo "=== Contrast to small granularity dirty-bitmap ===" +echo + +IMG="driver=nbd,export=n2,server.type=unix,server.path=$SOCK_DIR/nbd" +$QEMU_IMG map --output=json --image-opts \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map + +echo +echo "=== End qemu NBD server ===" +echo + +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", + "arguments":{"name":"n"}}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", + "arguments":{"name":"n2"}}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove", + "arguments":{"name":"n2"}}' "error" # Attempt duplicate clean +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-stop"}' "return" +_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-stop"}' "error" # Again + +done + +_send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return" +wait=yes _cleanup_qemu + +echo +echo "=== Use qemu-nbd as server ===" +echo + +nbd_server_start_unix_socket -r -f $IMGFMT -B b "$TEST_IMG" +IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" +$QEMU_IMG map --output=json --image-opts \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b" | _filter_qemu_img_map + +nbd_server_start_unix_socket -f $IMGFMT -B b2 "$TEST_IMG" +IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" +$QEMU_IMG map --output=json --image-opts --max-length=12345 \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map +$QEMU_IMG map --output=json --image-opts --start-offset=12345 \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map + +# success, all done +echo '*** done' +rm -f $seq.full +status=0 |