tests/qemu-iotests/201

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