#!/usr/bin/env bash
#
# Test case for the QMP blkdebug and blkverify interfaces
#
# Copyright (C) 2013 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/>.
#
# creator
owner=mreitz@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt qcow2
_supported_proto file fuse
_require_drivers blkdebug blkverify
# blkdebug can only inject errors on bs->file, not on the data_file,
# so thie test does not work with external data files
_unsupported_imgopts data_file
do_run_qemu()
{
echo Testing: "$@" | _filter_imgfmt
$QEMU -nographic -qmp stdio -serial none "$@"
echo
}
run_qemu()
{
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | _filter_qemu_io
}
IMG_SIZE=64M
echo
echo "=== Testing blkverify through filename ==="
echo
# _make_test_img may set variables that we need to retain. Everything
# in a pipe is executed in a subshell, so doing so would throw away
# all changes. Therefore, we have to store the output in some temp
# file and filter that.
scratch_out="$TEST_DIR/img-create.out"
TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \
>"$scratch_out"
_filter_imgfmt <"$scratch_out"
rm -f "$scratch_out"
_make_test_img $IMG_SIZE
$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \
-c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io
$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \
-c 'read -P 42 0 512' | _filter_qemu_io
echo
echo "=== Testing blkverify through file blockref ==="
echo
TEST_IMG="$TEST_IMG.base" IMGFMT="raw" _make_test_img --no-opts $IMG_SIZE \
>"$scratch_out"
_filter_imgfmt <"$scratch_out"
_make_test_img $IMG_SIZE
$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base,file.test.driver=$IMGFMT,file.test.file.filename=$TEST_IMG" \
-c 'read 0 512' -c 'write -P 42 0x38000 512' -c 'read -P 42 0x38000 512' | _filter_qemu_io
$QEMU_IO -c 'write -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "open -o driver=raw,file.driver=blkverify,file.raw.filename=$TEST_IMG.base $TEST_IMG" \
-c 'read -P 42 0 512' | _filter_qemu_io
echo
echo "=== Testing blkdebug through filename ==="
echo
$QEMU_IO -c "open -o file.driver=blkdebug,file.inject-error.event=l2_load $TEST_IMG" \
-c 'read -P 42 0x38000 512'
echo
echo "=== Testing blkdebug through file blockref ==="
echo
$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=blkdebug,file.inject-error.event=l2_load,file.image.filename=$TEST_IMG" \
-c 'read -P 42 0x38000 512'
echo
echo "=== Testing blkdebug on existing block device ==="
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"node-name": "drive0",
"driver": "file",
"filename": "$TEST_IMG"
}
}
{ "execute": "blockdev-add",
"arguments": {
"driver": "$IMGFMT",
"node-name": "drive0-debug",
"file": {
"driver": "blkdebug",
"image": "drive0",
"inject-error": [{
"event": "l2_load"
}]
}
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-debug "read 0 512"'
}
}
{ "execute": "quit" }
EOF
echo
echo "=== Testing blkverify on existing block device ==="
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"node-name": "drive0",
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_IMG"
}
}
}
{ "execute": "blockdev-add",
"arguments": {
"driver": "blkverify",
"node-name": "drive0-verify",
"test": "drive0",
"raw": {
"driver": "file",
"filename": "$TEST_IMG.base"
}
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-verify "read 0 512"'
}
}
{ "execute": "quit" }
EOF
echo
echo "=== Testing blkverify on existing raw block device ==="
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"node-name": "drive0",
"driver": "file",
"filename": "$TEST_IMG.base"
}
}
{ "execute": "blockdev-add",
"arguments": {
"driver": "blkverify",
"node-name": "drive0-verify",
"test": {
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_IMG"
}
},
"raw": "drive0"
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-verify "read 0 512"'
}
}
{ "execute": "quit" }
EOF
echo
echo "=== Testing blkdebug's set-state through QMP ==="
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"node-name": "drive0",
"driver": "file",
"filename": "$TEST_IMG"
}
}
{ "execute": "blockdev-add",
"arguments": {
"driver": "$IMGFMT",
"node-name": "drive0-debug",
"file": {
"driver": "blkdebug",
"image": "drive0",
"inject-error": [{
"event": "read_aio",
"state": 42
}],
"set-state": [{
"event": "write_aio",
"new_state": 42
}]
}
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-debug "read 0 512"'
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-debug "write 0 512"'
}
}
{ "execute": "human-monitor-command",
"arguments": {
"command-line": 'qemu-io drive0-debug "read 0 512"'
}
}
{ "execute": "quit" }
EOF
# success, all done
echo "*** done"
rm -f $seq.full
status=0
