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 migration quick
      3 #
      4 # Test old-style block migration (migrate -b)
      5 #
      6 # Copyright (C) 2017 Red Hat, Inc.
      7 #
      8 # This program is free software; you can redistribute it and/or modify
      9 # it under the terms of the GNU General Public License as published by
     10 # the Free Software Foundation; either version 2 of the License, or
     11 # (at your option) any later version.
     12 #
     13 # This program is distributed in the hope that it will be useful,
     14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 # GNU General Public License for more details.
     17 #
     18 # You should have received a copy of the GNU General Public License
     19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     20 #
     21 
     22 # creator
     23 owner=kwolf@redhat.com
     24 
     25 seq=`basename $0`
     26 echo "QA output created by $seq"
     27 
     28 status=1 # failure is the default!
     29 
     30 MIG_SOCKET="${SOCK_DIR}/migrate"
     31 
     32 _cleanup()
     33 {
     34     rm -f "${MIG_SOCKET}"
     35     _rm_test_img "${TEST_IMG}.dest"
     36     _cleanup_test_img
     37     _cleanup_qemu
     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_os Linux FreeBSD NetBSD
     47 _supported_fmt qcow2 raw qed quorum
     48 _supported_proto file fuse
     49 
     50 size=64M
     51 _make_test_img $size
     52 TEST_IMG="${TEST_IMG}.dest" _make_test_img $size
     53 
     54 echo
     55 echo === Starting VMs ===
     56 echo
     57 
     58 qemu_comm_method="qmp"
     59 
     60 _launch_qemu \
     61     -drive file="${TEST_IMG}",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk
     62 src=$QEMU_HANDLE
     63 _send_qemu_cmd $src "{ 'execute': 'qmp_capabilities' }" 'return'
     64 
     65 _launch_qemu \
     66     -drive file="${TEST_IMG}.dest",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk \
     67     -incoming "unix:${MIG_SOCKET}"
     68 dest=$QEMU_HANDLE
     69 _send_qemu_cmd $dest "{ 'execute': 'qmp_capabilities' }" 'return'
     70 
     71 echo
     72 echo === Write something on the source ===
     73 echo
     74 
     75 _send_qemu_cmd $src \
     76     "{ 'execute': 'human-monitor-command',
     77        'arguments': { 'command-line':
     78                       'qemu-io disk \"write -P 0x55 0 64k\"' } }" \
     79     'return'
     80 _send_qemu_cmd $src \
     81     "{ 'execute': 'human-monitor-command',
     82        'arguments': { 'command-line':
     83                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
     84     'return'
     85 
     86 echo
     87 echo === Do block migration to destination ===
     88 echo
     89 
     90 reply="$(_send_qemu_cmd $src \
     91     "{ 'execute': 'migrate',
     92        'arguments': { 'uri': 'unix:${MIG_SOCKET}', 'blk': true } }" \
     93     'return\|error')"
     94 echo "$reply"
     95 if echo "$reply" | grep "compiled without old-style" > /dev/null; then
     96     _notrun "migrate -b support not compiled in"
     97 fi
     98 
     99 timeout_comm=$QEMU_COMM_TIMEOUT
    100 if [ "${VALGRIND_QEMU}" == "y" ]; then
    101     QEMU_COMM_TIMEOUT=4
    102 else
    103     QEMU_COMM_TIMEOUT=0.1
    104 fi
    105 qemu_cmd_repeat=50 silent=yes \
    106     _send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
    107 QEMU_COMM_TIMEOUT=$timeout_comm
    108 _send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
    109 
    110 echo
    111 echo === Do some I/O on the destination ===
    112 echo
    113 
    114 # It is important that we use the BlockBackend of the guest device here instead
    115 # of the node name, which would create a new BlockBackend and not test whether
    116 # the guest has the necessary permissions to access the image now
    117 silent=yes _send_qemu_cmd $dest "" "100 %"
    118 _send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
    119 _send_qemu_cmd $dest \
    120     "{ 'execute': 'human-monitor-command',
    121        'arguments': { 'command-line':
    122                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
    123     'return'
    124 _send_qemu_cmd $dest \
    125     "{ 'execute': 'human-monitor-command',
    126        'arguments': { 'command-line':
    127                       'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
    128     'return'
    129 
    130 echo
    131 echo === Shut down and check image ===
    132 echo
    133 
    134 _send_qemu_cmd $src '{"execute":"quit"}' 'return'
    135 _send_qemu_cmd $dest '{"execute":"quit"}' 'return'
    136 wait=1 _cleanup_qemu
    137 
    138 _check_test_img
    139 TEST_IMG="${TEST_IMG}.dest" _check_test_img
    140 
    141 $QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
    142 $QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
    143 
    144 # success, all done
    145 echo "*** done"
    146 rm -f $seq.full
    147 status=0