tests/qemu-iotests/095

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # Test for commit of larger active layer
   5 #
   6 # This tests live snapshots of images on a running QEMU instance, using
   7 # QMP commands.  Both single disk snapshots, and transactional group
   8 # snapshots are performed.
   9 #
  10 # Copyright (C) 2014 Red Hat, Inc.
  11 #
  12 # This program is free software; you can redistribute it and/or modify
  13 # it under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; either version 2 of the License, or
  15 # (at your option) any later version.
  16 #
  17 # This program is distributed in the hope that it will be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 #
  25 # creator
  26 owner=jcody@redhat.com
  27
  28 seq=`basename $0`
  29 echo "QA output created by $seq"
  30
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35     _cleanup_qemu
  36     _rm_test_img "${TEST_IMG}.base"
  37     _rm_test_img "${TEST_IMG}.snp1"
  38     _cleanup_test_img
  39 }
  40 trap "_cleanup; exit \$status" 0 1 2 3 15
  41
  42 # get standard environment, filters and checks
  43 . ./common.rc
  44 . ./common.filter
  45 . ./common.qemu
  46
  47 _supported_fmt qcow2
  48 _supported_proto file fuse
  49
  50 size_smaller=5M
  51 size_larger=100M
  52
  53 TEST_IMG="$TEST_IMG.base" _make_test_img $size_smaller
  54
  55 TEST_IMG="$TEST_IMG.snp1" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size_larger
  56
  57 _make_test_img -b "${TEST_IMG}.snp1" -F $IMGFMT $size_larger
  58
  59 echo
  60 echo "=== Base image info before commit and resize ==="
  61 TEST_IMG="${TEST_IMG}.base" _img_info | _filter_img_info
  62
  63 echo
  64 echo === Running QEMU Live Commit Test ===
  65 echo
  66
  67 qemu_comm_method="qmp"
  68 _launch_qemu -drive file="${TEST_IMG}",if=virtio,id=test
  69 h=$QEMU_HANDLE
  70
  71 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
  72
  73 _send_qemu_cmd $h "{ 'execute': 'block-commit',
  74                                  'arguments': { 'device': 'test',
  75                                  'top': '"${TEST_IMG}.snp1"' } }" '"status": "null"'
  76
  77 _cleanup_qemu
  78
  79 echo
  80 echo "=== Base image info after commit and resize ==="
  81 TEST_IMG="${TEST_IMG}.base" _img_info | _filter_img_info
  82
  83 # success, all done
  84 echo "*** done"
  85 rm -f $seq.full
  86 status=0