tests/qemu-iotests/102

   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
  22 owner=mreitz@redhat.com
  23
  24 seq=$(basename $0)
  25 echo "QA output created by $seq"
  26
  27 status=1    # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_qemu
  32     _cleanup_test_img
  33 }
  34 trap "_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
  44 IMG_SIZE=64K
  45
  46 echo
  47 echo '=== Testing map command on truncated image ==='
  48 echo
  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
  60 echo
  61 echo '=== Testing map on an image file truncated outside of qemu ==='
  62 echo
  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
  68 qemu_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
  82 echo '*** done'
  83 rm -f $seq.full
  84 status=0