tests/qemu-iotests/095

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