qemu-iotests: Test change-backing-file command
This involves a temporary read-write reopen if the backing file link in the middle of a backing file chain should be changed and is therefore a good test for the latest bdrv_reopen() vs. op blockers fixes. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf
parent
3045025991
commit
3fb23e0751
|
|
@ -0,0 +1,92 @@
|
|||
#!/bin/bash
|
||||
#
|
||||
# Test change-backing-file command
|
||||
#
|
||||
# Copyright (C) 2017 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=kwolf@redhat.com
|
||||
|
||||
seq=`basename $0`
|
||||
echo "QA output created by $seq"
|
||||
|
||||
here=`pwd`
|
||||
status=1 # failure is the default!
|
||||
|
||||
_cleanup()
|
||||
{
|
||||
_cleanup_test_img
|
||||
rm -f "$TEST_IMG.mid"
|
||||
}
|
||||
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
|
||||
_supported_os Linux
|
||||
|
||||
function do_run_qemu()
|
||||
{
|
||||
echo Testing: "$@" | _filter_imgfmt
|
||||
$QEMU -nographic -qmp-pretty stdio -serial none "$@"
|
||||
echo
|
||||
}
|
||||
|
||||
function run_qemu()
|
||||
{
|
||||
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp \
|
||||
| _filter_qemu_io | _filter_generated_node_ids
|
||||
}
|
||||
|
||||
size=64M
|
||||
TEST_IMG="$TEST_IMG.base" _make_test_img $size
|
||||
TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base"
|
||||
_make_test_img -b "$TEST_IMG.mid"
|
||||
|
||||
echo
|
||||
echo "Change backing file of mid (opened read-only)"
|
||||
echo
|
||||
|
||||
run_qemu -drive if=none,file="$TEST_IMG",backing.node-name=mid <<EOF
|
||||
{"execute":"qmp_capabilities"}
|
||||
{"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}}
|
||||
{"execute":"quit"}
|
||||
EOF
|
||||
|
||||
TEST_IMG="$TEST_IMG.mid" _img_info
|
||||
|
||||
echo
|
||||
echo "Change backing file of top (opened writable)"
|
||||
echo
|
||||
|
||||
TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base"
|
||||
|
||||
run_qemu -drive if=none,file="$TEST_IMG",node-name=top <<EOF
|
||||
{"execute":"qmp_capabilities"}
|
||||
{"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"top","backing-file":"/dev/null"}}
|
||||
{"execute":"quit"}
|
||||
EOF
|
||||
|
||||
_img_info
|
||||
|
||||
# success, all done
|
||||
echo "*** done"
|
||||
rm -f $seq.full
|
||||
status=0
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
QA output created by 195
|
||||
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
|
||||
Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
|
||||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
|
||||
|
||||
Change backing file of mid (opened read-only)
|
||||
|
||||
Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,backing.node-name=mid
|
||||
{
|
||||
QMP_VERSION
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"timestamp": {
|
||||
"seconds": TIMESTAMP,
|
||||
"microseconds": TIMESTAMP
|
||||
},
|
||||
"event": "SHUTDOWN",
|
||||
"data": {
|
||||
"guest": false
|
||||
}
|
||||
}
|
||||
|
||||
image: TEST_DIR/t.IMGFMT.mid
|
||||
file format: IMGFMT
|
||||
virtual size: 64M (67108864 bytes)
|
||||
cluster_size: 65536
|
||||
backing file: /dev/null
|
||||
backing file format: IMGFMT
|
||||
|
||||
Change backing file of top (opened writable)
|
||||
|
||||
Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
|
||||
Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,node-name=top
|
||||
{
|
||||
QMP_VERSION
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"return": {
|
||||
}
|
||||
}
|
||||
{
|
||||
"timestamp": {
|
||||
"seconds": TIMESTAMP,
|
||||
"microseconds": TIMESTAMP
|
||||
},
|
||||
"event": "SHUTDOWN",
|
||||
"data": {
|
||||
"guest": false
|
||||
}
|
||||
}
|
||||
|
||||
image: TEST_DIR/t.IMGFMT
|
||||
file format: IMGFMT
|
||||
virtual size: 64M (67108864 bytes)
|
||||
cluster_size: 65536
|
||||
backing file: /dev/null
|
||||
backing file format: IMGFMT
|
||||
*** done
|
||||
|
|
@ -189,3 +189,4 @@
|
|||
190 rw auto quick
|
||||
192 rw auto quick
|
||||
194 rw auto migration quick
|
||||
195 rw auto quick
|
||||
|
|
|
|||
Loading…
Reference in New Issue