tests/qemu-iotests/068

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # Test case for loading a saved VM state from a qcow2 image
   5 #
   6 # Copyright (C) 2013 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=mreitz@redhat.com
  24
  25 seq="$(basename $0)"
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 # This tests qcow2-specific low-level functionality
  41 _supported_fmt qcow2
  42 _supported_proto generic
  43 # Internal snapshots are (currently) impossible with refcount_bits=1,
  44 # and generally impossible with external data files
  45 _unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file
  46
  47 IMG_SIZE=128K
  48
  49 case "$QEMU_DEFAULT_MACHINE" in
  50   s390-ccw-virtio)
  51       platform_parm="-no-shutdown"
  52       hba=virtio-scsi-ccw
  53       ;;
  54   *)
  55       platform_parm=""
  56       hba=virtio-scsi-pci
  57       ;;
  58 esac
  59
  60 _qemu()
  61 {
  62     $QEMU $platform_parm -nographic -monitor stdio -serial none \
  63           -drive if=none,id=drive0,file="$TEST_IMG",format="$IMGFMT" \
  64           -device $hba,id=hba0 \
  65           -device scsi-hd,drive=drive0 \
  66           "$@" |\
  67     _filter_qemu | _filter_hmp
  68 }
  69
  70 for extra_args in \
  71     "" \
  72     "-object iothread,id=iothread0 -set device.hba0.iothread=iothread0"; do
  73     echo
  74     echo "=== Saving and reloading a VM state to/from a qcow2 image ($extra_args) ==="
  75     echo
  76
  77     _make_test_img $IMG_SIZE
  78
  79     # Give qemu some time to boot before saving the VM state
  80     { sleep 1; printf "savevm 0\nquit\n"; } | _qemu $extra_args
  81     # Now try to continue from that VM state (this should just work)
  82     { sleep 1; printf "loadvm 0\nloadvm 0\nquit\n"; } | _qemu $extra_args -S
  83 done
  84
  85 # success, all done
  86 echo "*** done"
  87 rm -f $seq.full
  88 status=0