tests/qemu-iotests/140

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for ejecting a BlockBackend with an NBD server attached to it
   4 #
   5 # Verify that the NBD server stops offering the drive when ejecting a
   6 # BlockDriverState tree from a BlockBackend (that is, a medium from a
   7 # drive) exposed via an NBD server.
   8 #
   9 # Copyright (C) 2016 Red Hat, Inc.
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 #
  24
  25 # creator
  26 owner=mreitz@redhat.com
  27
  28 seq="$(basename $0)"
  29 echo "QA output created by $seq"
  30
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35     _cleanup_qemu
  36     _cleanup_test_img
  37     rm -f "$SOCK_DIR/nbd"
  38 }
  39 trap "_cleanup; exit \$status" 0 1 2 3 15
  40
  41 # get standard environment, filters and checks
  42 . ./common.rc
  43 . ./common.filter
  44 . ./common.qemu
  45
  46 _supported_fmt generic
  47 _supported_proto file
  48 _supported_os Linux
  49
  50 _make_test_img 64k
  51
  52 $QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
  53
  54 if test "$IMGOPTSSYNTAX" = "true"
  55 then
  56     SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,"$TEST_IMG"
  57 else
  58     SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,file="$TEST_IMG",driver=$IMGFMT
  59 fi
  60
  61 keep_stderr=y \
  62 _launch_qemu -drive $SYSEMU_DRIVE_ARG \
  63     2> >(_filter_nbd)
  64
  65 _send_qemu_cmd $QEMU_HANDLE \
  66     "{ 'execute': 'qmp_capabilities' }" \
  67     'return'
  68
  69 _send_qemu_cmd $QEMU_HANDLE \
  70     "{ 'execute': 'nbd-server-start',
  71        'arguments': { 'addr': { 'type': 'unix',
  72                                 'data': { 'path': '$SOCK_DIR/nbd' }}}}" \
  73     'return'
  74
  75 _send_qemu_cmd $QEMU_HANDLE \
  76     "{ 'execute': 'nbd-server-add',
  77        'arguments': { 'device': 'drv' }}" \
  78     'return'
  79
  80 $QEMU_IO_PROG -f raw -r -c 'read -P 42 0 64k' \
  81     "nbd+unix:///drv?socket=$SOCK_DIR/nbd" 2>&1 \
  82     | _filter_qemu_io | _filter_nbd
  83
  84 # The order of 'return' and the BLOCK_EXPORT_DELETED event is undefined. Just
  85 # wait until we've twice seen one of them. Filter the 'return' line out so that
  86 # the output is defined.
  87 _send_qemu_cmd $QEMU_HANDLE \
  88     "{ 'execute': 'eject',
  89        'arguments': { 'device': 'drv' }}" \
  90     'return\|BLOCK_EXPORT_DELETED' |
  91     grep -v 'return'
  92
  93 _send_qemu_cmd $QEMU_HANDLE '' 'return\|BLOCK_EXPORT_DELETED' |
  94     grep -v 'return'
  95
  96 $QEMU_IO_PROG -f raw -r -c close \
  97     "nbd+unix:///drv?socket=$SOCK_DIR/nbd" 2>&1 \
  98     | _filter_qemu_io | _filter_nbd
  99
 100 _send_qemu_cmd $QEMU_HANDLE \
 101     "{ 'execute': 'quit' }" \
 102     'return'
 103
 104 wait=1 _cleanup_qemu
 105
 106 # success, all done
 107 echo '*** done'
 108 rm -f $seq.full
 109 status=0