tests/qemu-iotests/140

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