| 1 | #!/usr/bin/env bash |
| 2 | # group: img |
| 3 | # |
| 4 | # qemu-img measure sub-command tests |
| 5 | # |
| 6 | # Copyright (C) 2017 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=stefanha@redhat.com |
| 24 | |
| 25 | seq=`basename $0` |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | _cleanup_test_img |
| 33 | _rm_test_img "$TEST_IMG.converted" |
| 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 | . ./common.pattern |
| 41 | |
| 42 | _supported_fmt raw qcow2 |
| 43 | _supported_proto file |
| 44 | _supported_os Linux |
| 45 | _require_working_luks |
| 46 | |
| 47 | echo "== Input validation ==" |
| 48 | echo |
| 49 | |
| 50 | _make_test_img 1G |
| 51 | |
| 52 | $QEMU_IMG measure # missing arguments |
| 53 | $QEMU_IMG measure --size 2G "$TEST_IMG" # only one allowed |
| 54 | $QEMU_IMG measure "$TEST_IMG" a # only one filename allowed |
| 55 | $QEMU_IMG measure --object secret,id=sec0,data=MTIzNDU2,format=base64 # size or filename needed |
| 56 | $QEMU_IMG measure --image-opts # missing filename |
| 57 | $QEMU_IMG measure -f qcow2 # missing filename |
| 58 | $QEMU_IMG measure -l snap1 # missing filename |
| 59 | $QEMU_IMG measure -o , # invalid option list |
| 60 | $QEMU_IMG measure -l snapshot.foo=bar # invalid snapshot option |
| 61 | $QEMU_IMG measure --output foo 2>&1 | _filter_qemu_img # invalid output format |
| 62 | $QEMU_IMG measure --size -1 # invalid image size |
| 63 | $QEMU_IMG measure -O foo "$TEST_IMG" # unknown image file format |
| 64 | |
| 65 | make_test_img_with_fmt() { |
| 66 | # Shadow global variables within this function |
| 67 | local IMGFMT="$1" |
| 68 | _make_test_img --no-opts "$2" |
| 69 | } |
| 70 | |
| 71 | qemu_io_with_fmt() { |
| 72 | # Shadow global variables within this function |
| 73 | local QEMU_IO_OPTIONS=$(echo "$QEMU_IO_OPTIONS" | sed "s/-f $IMGFMT/-f $1/") |
| 74 | shift |
| 75 | $QEMU_IO "$@" |
| 76 | } |
| 77 | |
| 78 | # The proof is in the pudding: converted image size cannot be larger than the |
| 79 | # required size. |
| 80 | # |
| 81 | # Note: if a change to the image format code causes the file size to change, |
| 82 | # then this test fails! This is good because it's a reminder to check that the |
| 83 | # required size is still at least as big as the actual converted file size. |
| 84 | convert_and_show_size() { |
| 85 | local fmt="$1" |
| 86 | shift |
| 87 | $QEMU_IMG convert -f "$fmt" -O "$IMGFMT" "$TEST_IMG" "$@" "$TEST_IMG.converted" |
| 88 | stat -c "converted image file size in bytes: %s" "$TEST_IMG.converted" |
| 89 | } |
| 90 | |
| 91 | for ofmt in human json; do |
| 92 | echo |
| 93 | echo "== Size calculation for a new file ($ofmt) ==" |
| 94 | echo |
| 95 | |
| 96 | # Try a few interesting sizes |
| 97 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 0 |
| 98 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2G |
| 99 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 64G |
| 100 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 256G |
| 101 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 1T |
| 102 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2P |
| 103 | $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 7E |
| 104 | |
| 105 | # Always test the raw input files but also IMGFMT |
| 106 | for fmt in $(echo -e "raw\n$IMGFMT\n" | sort -u); do |
| 107 | echo |
| 108 | echo "== Empty $fmt input image ($ofmt) ==" |
| 109 | echo |
| 110 | make_test_img_with_fmt "$fmt" 0 |
| 111 | $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 112 | echo |
| 113 | convert_and_show_size "$fmt" |
| 114 | |
| 115 | echo |
| 116 | echo "== $fmt input image with data ($ofmt) ==" |
| 117 | echo |
| 118 | make_test_img_with_fmt "$fmt" 1G |
| 119 | $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 120 | qemu_io_with_fmt "$fmt" -c "write 512 512" "$TEST_IMG" | _filter_qemu_io |
| 121 | qemu_io_with_fmt "$fmt" -c "write 64K 64K" "$TEST_IMG" | _filter_qemu_io |
| 122 | if [ "$fmt" = "qcow2" ]; then |
| 123 | $QEMU_IMG snapshot -c snapshot1 "$TEST_IMG" |
| 124 | fi |
| 125 | qemu_io_with_fmt "$fmt" -c "write 128M 63K" "$TEST_IMG" | _filter_qemu_io |
| 126 | $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 127 | echo |
| 128 | convert_and_show_size "$fmt" |
| 129 | |
| 130 | if [ "$fmt" = "qcow2" ]; then |
| 131 | echo |
| 132 | echo "== $fmt input image with internal snapshot ($ofmt) ==" |
| 133 | echo |
| 134 | $QEMU_IMG measure --output=$ofmt -f "$fmt" -l snapshot1 \ |
| 135 | -O "$IMGFMT" "$TEST_IMG" |
| 136 | echo |
| 137 | convert_and_show_size "$fmt" -l snapshot1 |
| 138 | fi |
| 139 | |
| 140 | if [ "$IMGFMT" = "qcow2" ]; then |
| 141 | echo |
| 142 | echo "== $fmt input image and a backing file ($ofmt) ==" |
| 143 | echo |
| 144 | # The backing file doesn't need to exist :) |
| 145 | $QEMU_IMG measure --output=$ofmt -o backing_file=x \ |
| 146 | -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 147 | |
| 148 | echo |
| 149 | echo "== $fmt input image and LUKS encryption ==" |
| 150 | echo |
| 151 | $QEMU_IMG measure --output=$ofmt \ |
| 152 | --object secret,id=sec0,data=base \ |
| 153 | -o encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10 \ |
| 154 | -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 155 | fi |
| 156 | |
| 157 | echo |
| 158 | echo "== $fmt input image and preallocation ($ofmt) ==" |
| 159 | echo |
| 160 | $QEMU_IMG measure --output=$ofmt -o preallocation=full \ |
| 161 | -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 162 | echo |
| 163 | convert_and_show_size "$fmt" -o preallocation=full |
| 164 | |
| 165 | echo |
| 166 | echo "== Fully-allocated $fmt input image ($ofmt) ==" |
| 167 | echo |
| 168 | make_test_img_with_fmt "$fmt" 8M |
| 169 | qemu_io_with_fmt "$fmt" -c "write 0 8M" "$TEST_IMG" | _filter_qemu_io |
| 170 | $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" |
| 171 | echo |
| 172 | convert_and_show_size "$fmt" |
| 173 | done |
| 174 | done |
| 175 | |
| 176 | # success, all done |
| 177 | echo "*** done" |
| 178 | rm -f $seq.full |
| 179 | status=0 |