tests/qemu-iotests/102

   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
  22 owner=mreitz@redhat.com
  23
  24 seq=$(basename $0)
  25 echo "QA output created by $seq"
  26
  27 here=$PWD
  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
  44 _supported_os Linux
  45
  46 IMG_SIZE=64K
  47
  48 echo
  49 echo '=== Testing map command on truncated image ==='
  50 echo
  51
  52 _make_test_img $IMG_SIZE
  53 # Create cluster
  54 $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
  55 # Remove data cluster from image (first cluster: image header, second: reftable,
  56 # third: refblock, fourth: L1 table, fifth: L2 table)
  57 $QEMU_IMG resize -f raw --shrink "$TEST_IMG" $((5 * 64 * 1024))
  58
  59 $QEMU_IO -c map "$TEST_IMG"
  60 $QEMU_IMG map "$TEST_IMG"
  61
  62 echo
  63 echo '=== Testing map on an image file truncated outside of qemu ==='
  64 echo
  65
  66 # Same as above, only now we concurrently truncate and map the image
  67 _make_test_img $IMG_SIZE
  68 $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
  69
  70 qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0
  71
  72 # Wait for a prompt to appear (so we know qemu has opened the image)
  73 _send_qemu_cmd '' '(qemu)'
  74
  75 $QEMU_IMG resize --shrink --image-opts \
  76     "driver=raw,file.driver=file,file.filename=$TEST_IMG,file.locking=off" \
  77     $((5 * 64 * 1024))
  78
  79 _send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \
  80     | sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/'
  81 _send_qemu_cmd $QEMU_HANDLE 'quit' ''
  82
  83 # success, all done
  84 echo '*** done'
  85 rm -f $seq.full
  86 status=0