tests/qemu-iotests/095

   1 #!/bin/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 $seq"
  29
  30 here=`pwd`
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35     _cleanup_qemu
  36     rm  -f "${TEST_IMG}.base" "${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 _supported_os Linux
  49
  50 size_smaller=5M
  51 size_larger=100M
  52
  53 _make_test_img $size_smaller
  54 mv "${TEST_IMG}" "${TEST_IMG}.base"
  55
  56 _make_test_img -b "${TEST_IMG}.base" $size_larger
  57 mv "${TEST_IMG}" "${TEST_IMG}.snp1"
  58
  59 _make_test_img -b "${TEST_IMG}.snp1" $size_larger
  60
  61 echo
  62 echo "=== Base image info before commit and resize ==="
  63 TEST_IMG="${TEST_IMG}.base" _img_info
  64
  65 echo
  66 echo === Running QEMU Live Commit Test ===
  67 echo
  68
  69 qemu_comm_method="qmp"
  70 _launch_qemu -drive file="${TEST_IMG}",if=virtio,id=test
  71 h=$QEMU_HANDLE
  72
  73 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
  74
  75 _send_qemu_cmd $h "{ 'execute': 'block-commit',
  76                                  'arguments': { 'device': 'test',
  77                                  'top': '"${TEST_IMG}.snp1"' } }" "BLOCK_JOB_COMPLETED"
  78
  79 echo
  80 echo "=== Base image info after commit and resize ==="
  81 TEST_IMG="${TEST_IMG}.base" _img_info
  82
  83 # success, all done
  84 echo "*** done"
  85 rm -f $seq.full
  86 status=0