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 quick
      3 # Check live snapshot, followed by active commit, and another snapshot.
      4 #
      5 # This test is to catch the error case of BZ #1300209:
      6 # https://bugzilla.redhat.com/show_bug.cgi?id=1300209
      7 #
      8 # Copyright (C) 2016 Red Hat, Inc.
      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 
     24 # creator
     25 owner=codyprime@gmail.com
     26 
     27 seq=`basename $0`
     28 echo "QA output created by $seq"
     29 
     30 status=1	# failure is the default!
     31 
     32 TMP_SNAP1=${TEST_DIR}/tmp.qcow2
     33 TMP_SNAP2=${TEST_DIR}/tmp2.qcow2
     34 
     35 _cleanup()
     36 {
     37     _cleanup_qemu
     38     for img in "${TEST_IMG}" "${TMP_SNAP1}" "${TMP_SNAP2}"; do
     39         _rm_test_img "$img"
     40     done
     41 }
     42 
     43 trap "_cleanup; exit \$status" 0 1 2 3 15
     44 
     45 # get standard environment, filters and checks
     46 . ./common.rc
     47 . ./common.filter
     48 . ./common.qemu
     49 
     50 _supported_fmt qcow2
     51 _supported_proto file
     52 
     53 size=512M
     54 
     55 _make_test_img $size
     56 
     57 echo
     58 echo === Launching QEMU ===
     59 echo
     60 
     61 qemu_comm_method="qmp"
     62 _launch_qemu -drive file="${TEST_IMG}",if=virtio
     63 h=$QEMU_HANDLE
     64 
     65 
     66 echo
     67 echo === Performing Live Snapshot 1 ===
     68 echo
     69 
     70 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
     71 
     72 
     73 # First live snapshot, new overlay as active layer
     74 _send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot-sync',
     75                                 'arguments': {
     76                                              'device': 'virtio0',
     77                                              'snapshot-file':'${TMP_SNAP1}',
     78                                              'format': 'qcow2'
     79                                              }
     80                     }" "return"
     81 
     82 echo
     83 echo === Performing block-commit on active layer ===
     84 echo
     85 
     86 # Block commit on active layer, push the new overlay into base
     87 _send_qemu_cmd $h "{ 'execute': 'block-commit',
     88                                 'arguments': {
     89                                                  'device': 'virtio0'
     90                                               }
     91                     }" "READY"
     92 
     93 _send_qemu_cmd $h "{ 'execute': 'block-job-complete',
     94                                 'arguments': {
     95                                                 'device': 'virtio0'
     96                                               }
     97                    }" '"status": "null"'
     98 
     99 echo
    100 echo === Performing Live Snapshot 2 ===
    101 echo
    102 
    103 # New live snapshot, new overlays as active layer
    104 _send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot-sync',
    105                                 'arguments': {
    106                                                 'device': 'virtio0',
    107                                                 'snapshot-file':'${TMP_SNAP2}',
    108                                                 'format': 'qcow2'
    109                                               }
    110                    }" "return"
    111 
    112 # success, all done
    113 echo "*** done"
    114 rm -f $seq.full
    115 status=0