1#!/bin/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_supported_os Linux 44 45IMG_SIZE=64K 46 47echo 48echo '=== Testing map command on truncated image ===' 49echo 50 51_make_test_img $IMG_SIZE 52# Create cluster 53$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 54# Remove data cluster from image (first cluster: image header, second: reftable, 55# third: refblock, fourth: L1 table, fifth: L2 table) 56$QEMU_IMG resize -f raw --shrink "$TEST_IMG" $((5 * 64 * 1024)) 57 58$QEMU_IO -c map "$TEST_IMG" 59$QEMU_IMG map "$TEST_IMG" 60 61echo 62echo '=== Testing map on an image file truncated outside of qemu ===' 63echo 64 65# Same as above, only now we concurrently truncate and map the image 66_make_test_img $IMG_SIZE 67$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 68 69qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0 70 71# Wait for a prompt to appear (so we know qemu has opened the image) 72_send_qemu_cmd '' '(qemu)' 73 74$QEMU_IMG resize --shrink --image-opts \ 75 "driver=raw,file.driver=file,file.filename=$TEST_IMG,file.locking=off" \ 76 $((5 * 64 * 1024)) 77 78_send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \ 79 | sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/' 80_send_qemu_cmd $QEMU_HANDLE 'quit' '' 81 82# success, all done 83echo '*** done' 84rm -f $seq.full 85status=0 86