tests/qemu-iotests/273

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