tests/qemu-iotests/273

   1 #!/usr/bin/env bash
   2 # group: backing quick
   3 #
   4 # Test multiple blockdev-snapshot calls with 'backing': null
   5 #
   6 # Copyright (C) 2019 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 seq=$(basename "$0")
  23 echo "QA output created by $seq"
  24
  25 status=1        # failure is the default!
  26
  27 _cleanup()
  28 {
  29     _cleanup_test_img
  30 }
  31 trap "_cleanup; exit \$status" 0 1 2 3 15
  32
  33 # get standard environment, filters and checks
  34 . ./common.rc
  35 . ./common.filter
  36
  37 # This is a qcow2 regression test
  38 _supported_fmt qcow2
  39 _supported_proto file fuse
  40 _supported_os Linux
  41 # External data files would add nodes to the block graph, so it would
  42 # not match the reference output
  43 _unsupported_imgopts data_file
  44
  45 do_run_qemu()
  46 {
  47     echo Testing: "$@"
  48     $QEMU -nographic -qmp-pretty stdio -nodefaults "$@"
  49     echo
  50 }
  51
  52 run_qemu()
  53 {
  54     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp |
  55         _filter_generated_node_ids | _filter_imgfmt |
  56         _filter_actual_image_size | _filter_img_info
  57 }
  58
  59 TEST_IMG="$TEST_IMG.base" _make_test_img 64M
  60 TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
  61 _make_test_img -b "$TEST_IMG.mid" -F $IMGFMT
  62
  63 run_qemu \
  64     -blockdev file,node-name=base,filename="$TEST_IMG.base" \
  65      -blockdev file,node-name=midf,filename="$TEST_IMG.mid" \
  66      -blockdev '{"driver":"qcow2","node-name":"mid","file":"midf","backing":null}' \
  67      -blockdev file,node-name=topf,filename="$TEST_IMG" \
  68      -blockdev '{"driver":"qcow2","file":"topf","node-name":"top","backing":null}' \
  69 <<EOF
  70 {"execute":"qmp_capabilities"}
  71 {"execute":"blockdev-snapshot","arguments":{"node":"base","overlay":"mid"}}
  72 {"execute":"blockdev-snapshot","arguments":{"node":"mid","overlay":"top"}}
  73 {"execute":"query-named-block-nodes"}
  74 {"execute":"x-debug-query-block-graph"}
  75 {"execute":"quit"}
  76 EOF
  77
  78 # success, all done
  79 echo "*** done"
  80 rm -f $seq.full
  81 status=0