xref: /qemu/tests/qemu-iotests/102 (revision abff1abf)
1#!/usr/bin/env bash
2#
3# Test case for qemu-io -c map and qemu-img map
4#
5# Copyright (C) 2014 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=mreitz@redhat.com
23
24seq=$(basename $0)
25echo "QA output created by $seq"
26
27status=1    # failure is the default!
28
29_cleanup()
30{
31    _cleanup_qemu
32    _cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and qemu instance handling
37. ./common.rc
38. ./common.filter
39. ./common.qemu
40
41_supported_fmt qcow2
42_supported_proto file
43
44IMG_SIZE=64K
45
46echo
47echo '=== Testing map command on truncated image ==='
48echo
49
50_make_test_img $IMG_SIZE
51# Create cluster
52$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
53# Remove data cluster from image (first cluster: image header, second: reftable,
54# third: refblock, fourth: L1 table, fifth: L2 table)
55$QEMU_IMG resize -f raw --shrink "$TEST_IMG" $((5 * 64 * 1024))
56
57$QEMU_IO -c map "$TEST_IMG"
58$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
59
60echo
61echo '=== Testing map on an image file truncated outside of qemu ==='
62echo
63
64# Same as above, only now we concurrently truncate and map the image
65_make_test_img $IMG_SIZE
66$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
67
68qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0
69
70# Wait for a prompt to appear (so we know qemu has opened the image)
71_send_qemu_cmd '' '(qemu)'
72
73$QEMU_IMG resize --shrink --image-opts \
74    "driver=raw,file.driver=file,file.filename=$TEST_IMG,file.locking=off" \
75    $((5 * 64 * 1024))
76
77_send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \
78    | sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/'
79_send_qemu_cmd $QEMU_HANDLE 'quit' ''
80
81# success, all done
82echo '*** done'
83rm -f $seq.full
84status=0
85