qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      1 #!/usr/bin/env bash
      2 # group: rw quick
      3 #
      4 # Test case for qemu-io -c map and qemu-img map
      5 #
      6 # Copyright (C) 2014 Red Hat, Inc.
      7 #
      8 # This program is free software; you can redistribute it and/or modify
      9 # it under the terms of the GNU General Public License as published by
     10 # the Free Software Foundation; either version 2 of the License, or
     11 # (at your option) any later version.
     12 #
     13 # This program is distributed in the hope that it will be useful,
     14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 # GNU General Public License for more details.
     17 #
     18 # You should have received a copy of the GNU General Public License
     19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     20 #
     21 
     22 # creator
     23 owner=hreitz@redhat.com
     24 
     25 seq=$(basename $0)
     26 echo "QA output created by $seq"
     27 
     28 status=1    # failure is the default!
     29 
     30 _cleanup()
     31 {
     32     _cleanup_qemu
     33     _cleanup_test_img
     34 }
     35 trap "_cleanup; exit \$status" 0 1 2 3 15
     36 
     37 # get standard environment, filters and qemu instance handling
     38 . ./common.rc
     39 . ./common.filter
     40 . ./common.qemu
     41 
     42 _supported_fmt qcow2
     43 _supported_proto file fuse
     44 
     45 IMG_SIZE=64K
     46 
     47 echo
     48 echo '=== Testing map command on truncated image ==='
     49 echo
     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" | _filter_qemu_img_map
     60 
     61 echo
     62 echo '=== Testing map on an image file truncated outside of qemu ==='
     63 echo
     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 
     69 qemu_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_HANDLE '' '(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
     83 echo '*** done'
     84 rm -f $seq.full
     85 status=0