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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 # 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