| 1 | #!/usr/bin/env bash |
| 2 | # group: rw auto quick snapshot |
| 3 | # |
| 4 | # Test which nodes are involved in internal snapshots |
| 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 | # creator |
| 23 | owner=kwolf@redhat.com |
| 24 | |
| 25 | seq=`basename $0` |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | _cleanup_test_img |
| 33 | rm -f "$SOCK_DIR/nbd" |
| 34 | } |
| 35 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 36 | |
| 37 | # get standard environment, filters and checks |
| 38 | . ./common.rc |
| 39 | . ./common.filter |
| 40 | |
| 41 | _supported_fmt qcow2 |
| 42 | _supported_proto file |
| 43 | _supported_os Linux |
| 44 | _require_drivers copy-on-read |
| 45 | |
| 46 | # Internal snapshots are (currently) impossible with refcount_bits=1, |
| 47 | # and generally impossible with external data files |
| 48 | _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file |
| 49 | |
| 50 | _require_devices virtio-blk |
| 51 | _require_hmp |
| 52 | |
| 53 | do_run_qemu() |
| 54 | { |
| 55 | echo Testing: "$@" |
| 56 | ( |
| 57 | if ! test -t 0; then |
| 58 | while read cmd; do |
| 59 | echo $cmd |
| 60 | done |
| 61 | fi |
| 62 | echo quit |
| 63 | ) | $QEMU -nographic -monitor stdio -nodefaults "$@" |
| 64 | echo |
| 65 | } |
| 66 | |
| 67 | run_qemu() |
| 68 | { |
| 69 | do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_hmp | |
| 70 | _filter_generated_node_ids | _filter_imgfmt | _filter_vmstate_size |
| 71 | } |
| 72 | |
| 73 | size=128M |
| 74 | |
| 75 | run_test() |
| 76 | { |
| 77 | if [ -n "$BACKING_FILE" ]; then |
| 78 | _make_test_img -b "$BACKING_FILE" -F $IMGFMT $size |
| 79 | else |
| 80 | _make_test_img $size |
| 81 | fi |
| 82 | printf "savevm snap0\ninfo snapshots\nloadvm snap0\n" | run_qemu "$@" | _filter_date |
| 83 | } |
| 84 | |
| 85 | |
| 86 | echo |
| 87 | echo "=== No block devices at all ===" |
| 88 | echo |
| 89 | |
| 90 | run_test |
| 91 | |
| 92 | echo |
| 93 | echo "=== -drive if=none ===" |
| 94 | echo |
| 95 | |
| 96 | run_test -drive driver=file,file="$TEST_IMG",if=none |
| 97 | run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none |
| 98 | run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none -device virtio-blk,drive=none0 |
| 99 | |
| 100 | echo |
| 101 | echo "=== -drive if=virtio ===" |
| 102 | echo |
| 103 | |
| 104 | run_test -drive driver=file,file="$TEST_IMG",if=virtio |
| 105 | run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=virtio |
| 106 | |
| 107 | echo |
| 108 | echo "=== Simple -blockdev ===" |
| 109 | echo |
| 110 | |
| 111 | run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file |
| 112 | run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 113 | -blockdev driver=$IMGFMT,file=file,node-name=fmt |
| 114 | run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 115 | -blockdev driver=raw,file=file,node-name=raw \ |
| 116 | -blockdev driver=$IMGFMT,file=raw,node-name=fmt |
| 117 | |
| 118 | echo |
| 119 | echo "=== -blockdev with a filter on top ===" |
| 120 | echo |
| 121 | |
| 122 | run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 123 | -blockdev driver=$IMGFMT,file=file,node-name=fmt \ |
| 124 | -blockdev driver=copy-on-read,file=fmt,node-name=filter |
| 125 | |
| 126 | echo |
| 127 | echo "=== -blockdev with a backing file ===" |
| 128 | echo |
| 129 | |
| 130 | TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| 131 | |
| 132 | BACKING_FILE="$TEST_IMG.base" \ |
| 133 | run_test -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \ |
| 134 | -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 135 | -blockdev driver=$IMGFMT,file=file,backing=backing-file,node-name=fmt |
| 136 | |
| 137 | BACKING_FILE="$TEST_IMG.base" \ |
| 138 | run_test -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \ |
| 139 | -blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \ |
| 140 | -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 141 | -blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt |
| 142 | |
| 143 | # A snapshot should be present on the overlay, but not the backing file |
| 144 | echo Internal snapshots on overlay: |
| 145 | $QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date | _filter_vmstate_size |
| 146 | |
| 147 | echo Internal snapshots on backing file: |
| 148 | $QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date | _filter_vmstate_size |
| 149 | |
| 150 | echo |
| 151 | echo "=== -blockdev with NBD server on the backing file ===" |
| 152 | echo |
| 153 | |
| 154 | _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size |
| 155 | cat <<EOF | |
| 156 | nbd_server_start unix:$SOCK_DIR/nbd |
| 157 | nbd_server_add -w backing-fmt |
| 158 | savevm snap0 |
| 159 | info snapshots |
| 160 | loadvm snap0 |
| 161 | EOF |
| 162 | run_qemu -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \ |
| 163 | -blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \ |
| 164 | -blockdev driver=file,filename="$TEST_IMG",node-name=file \ |
| 165 | -blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt | |
| 166 | _filter_date |
| 167 | |
| 168 | # This time, a snapshot should be created on both files |
| 169 | echo Internal snapshots on overlay: |
| 170 | $QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date | _filter_vmstate_size |
| 171 | |
| 172 | echo Internal snapshots on backing file: |
| 173 | $QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date | _filter_vmstate_size |
| 174 | |
| 175 | # success, all done |
| 176 | echo "*** done" |
| 177 | rm -f $seq.full |
| 178 | status=0 |