tests/qemu-iotests/068

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for loading a saved VM state from a qcow2 image
   4 #
   5 # Copyright (C) 2013 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=mreitz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 # This tests qcow2-specific low-level functionality
  40 _supported_fmt qcow2
  41 _supported_proto generic
  42 # Internal snapshots are (currently) impossible with refcount_bits=1,
  43 # and generally impossible with external data files
  44 _unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file
  45
  46 IMG_SIZE=128K
  47
  48 case "$QEMU_DEFAULT_MACHINE" in
  49   s390-ccw-virtio)
  50       platform_parm="-no-shutdown"
  51       hba=virtio-scsi-ccw
  52       ;;
  53   *)
  54       platform_parm=""
  55       hba=virtio-scsi-pci
  56       ;;
  57 esac
  58
  59 _qemu()
  60 {
  61     $QEMU $platform_parm -nographic -monitor stdio -serial none \
  62           -drive if=none,id=drive0,file="$TEST_IMG",format="$IMGFMT" \
  63           -device $hba,id=hba0 \
  64           -device scsi-hd,drive=drive0 \
  65           "$@" |\
  66     _filter_qemu | _filter_hmp
  67 }
  68
  69 for extra_args in \
  70     "" \
  71     "-object iothread,id=iothread0 -set device.hba0.iothread=iothread0"; do
  72     echo
  73     echo "=== Saving and reloading a VM state to/from a qcow2 image ($extra_args) ==="
  74     echo
  75
  76     _make_test_img $IMG_SIZE
  77
  78     # Give qemu some time to boot before saving the VM state
  79     { sleep 1; printf "savevm 0\nquit\n"; } | _qemu $extra_args
  80     # Now try to continue from that VM state (this should just work)
  81     { sleep 1; printf "loadvm 0\nloadvm 0\nquit\n"; } | _qemu $extra_args -S
  82 done
  83
  84 # success, all done
  85 echo "*** done"
  86 rm -f $seq.full
  87 status=0