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
      3 #
      4 # Test QAPI commands looking up protocol based images with relative
      5 # filename backing strings
      6 #
      7 # Copyright (C) 2017 Red Hat, Inc.
      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 # creator
     23 owner=codyprime@gmail.com
     24 
     25 seq=`basename $0`
     26 echo "QA output created by $seq"
     27 
     28 status=1    # failure is the default!
     29 
     30 _cleanup()
     31 {
     32     _cleanup_qemu
     33     _rm_test_img "${TEST_DIR}/image.base"
     34     _rm_test_img "${TEST_DIR}/image.snp1"
     35     _cleanup_test_img
     36 }
     37 trap "_cleanup; exit \$status" 0 1 2 3 15
     38 
     39 # get standard environment, filters and checks
     40 . ./common.rc
     41 . ./common.filter
     42 . ./common.qemu
     43 
     44 _supported_fmt qcow2
     45 _supported_proto nfs
     46 
     47 size=100M
     48 
     49 BASE_IMG="${TEST_DIR}/image.base"
     50 TOP_IMG="${TEST_DIR}/image.snp1"
     51 
     52 TEST_IMG_FILE="${BASE_IMG}" _make_test_img $size
     53 
     54 TEST_IMG_FILE="${TOP_IMG}" _make_test_img $size
     55 
     56 echo
     57 echo === Running QEMU, using block-stream to find backing image ===
     58 echo
     59 
     60 qemu_comm_method="qmp"
     61 _launch_qemu -drive file="${BASE_IMG}",if=virtio,id=disk2
     62 h=$QEMU_HANDLE
     63 
     64 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
     65 
     66 _send_qemu_cmd $h "{ 'arguments': {
     67                         'device': 'disk2',
     68                         'format': '${IMGFMT}',
     69                         'mode': 'existing',
     70                         'snapshot-file': '${TOP_IMG}',
     71                         'snapshot-node-name': 'snp1'
     72                      },
     73                      'execute': 'blockdev-snapshot-sync'
     74                    }" "return"
     75 
     76 
     77 _send_qemu_cmd $h "{ 'arguments': {
     78                         'backing-file': 'image.base',
     79                         'device': 'disk2',
     80                         'image-node-name': 'snp1'
     81                      },
     82                      'execute': 'change-backing-file'
     83                    }" "return"
     84 
     85 _send_qemu_cmd $h "{ 'arguments': {
     86                         'base': '${BASE_IMG}',
     87                         'device': 'disk2'
     88                       },
     89                       'execute': 'block-stream'
     90                    }" "BLOCK_JOB_COMPLETED"
     91 
     92 _cleanup_qemu
     93 
     94 # success, all done
     95 echo "*** done"
     96 rm -f $seq.full
     97 status=0