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 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=hreitz@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