tests/qemu-iotests/201

   1 #!/usr/bin/env bash
   2 # group: rw migration quick
   3 #
   4 # Test savevm and loadvm after live migration with postcopy flag
   5 #
   6 # Copyright (C) 2017, IBM Corporation.
   7 #
   8 # This file is derived from tests/qemu-iotests/181 by Kevin Wolf
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 seq=`basename $0`
  24 echo "QA output created by $seq"
  25
  26 status=1        # failure is the default!
  27
  28 MIG_SOCKET="${SOCK_DIR}/migrate"
  29
  30 # get standard environment, filters and checks
  31 . ./common.rc
  32 . ./common.filter
  33 . ./common.qemu
  34
  35 _cleanup()
  36 {
  37     rm -f "${MIG_SOCKET}"
  38     _cleanup_test_img
  39     _cleanup_qemu
  40 }
  41 trap "_cleanup; exit \$status" 0 1 2 3 15
  42
  43 _supported_fmt qcow2
  44 _supported_proto generic
  45 _supported_os Linux
  46
  47 # Internal snapshots are (currently) impossible with refcount_bits=1,
  48 # and generally impossible with external data files
  49 _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file
  50
  51 size=64M
  52 _make_test_img $size
  53
  54 echo
  55 echo === Starting VMs ===
  56 echo
  57
  58 qemu_comm_method="monitor"
  59
  60 if [ "$IMGOPTSSYNTAX" = "true" ]; then
  61     _launch_qemu \
  62         -drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk
  63 else
  64     _launch_qemu \
  65         -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk
  66 fi
  67 src=$QEMU_HANDLE
  68
  69 if [ "$IMGOPTSSYNTAX" = "true" ]; then
  70     _launch_qemu \
  71         -drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk \
  72         -incoming "unix:${MIG_SOCKET}"
  73 else
  74     _launch_qemu \
  75         -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk \
  76         -incoming "unix:${MIG_SOCKET}"
  77 fi
  78 dest=$QEMU_HANDLE
  79
  80 echo
  81 echo === Set \'migrate_set_capability postcopy-ram on\' and migrate ===
  82 echo
  83
  84 silent=yes
  85 _send_qemu_cmd $dest 'migrate_set_capability postcopy-ram on' "(qemu)"
  86
  87 qemu_error_no_exit=yes success_or_failure=yes \
  88     _send_qemu_cmd $dest '' "(qemu)" "Postcopy is not supported"
  89 if [ ${QEMU_STATUS[$dest]} -lt 0 ]; then
  90     _send_qemu_cmd $dest '' "(qemu)"
  91
  92     _send_qemu_cmd $src 'quit' ""
  93     _send_qemu_cmd $dest 'quit' ""
  94     wait=1 _cleanup_qemu
  95
  96     _notrun 'Postcopy is not supported'
  97 fi
  98
  99 _send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)"
 100 _send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)"
 101
 102 QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \
 103     _send_qemu_cmd $src "info migrate" "completed\|failed"
 104 silent=yes _send_qemu_cmd $src "" "(qemu)"
 105
 106 echo
 107 echo === Check if migration was successful ===
 108 echo
 109
 110 QEMU_COMM_TIMEOUT=1 silent=yes \
 111     _send_qemu_cmd $src "info migrate" "completed"
 112 silent=yes _send_qemu_cmd $src "" "(qemu)"
 113
 114 echo
 115 echo === On destination, execute savevm and loadvm ===
 116 echo
 117
 118 silent=
 119 _send_qemu_cmd $dest 'savevm state1' "(qemu)"
 120 _send_qemu_cmd $dest 'loadvm state1' "(qemu)"
 121
 122 echo
 123 echo === Shut down and check image ===
 124 echo
 125
 126 _send_qemu_cmd $src 'quit' ""
 127 _send_qemu_cmd $dest 'quit' ""
 128 wait=1 _cleanup_qemu
 129
 130 _check_test_img
 131
 132 # success, all done
 133 echo "*** done"
 134 status=0