180 lines
6.0 KiB
Bash
Executable File
180 lines
6.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# group: img
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#
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# qemu-img measure sub-command tests
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#
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# Copyright (C) 2017 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=stefanha@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.converted"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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_supported_fmt raw qcow2
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_supported_proto file
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_supported_os Linux
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_require_working_luks
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echo "== Input validation =="
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echo
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_make_test_img 1G
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$QEMU_IMG measure # missing arguments
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$QEMU_IMG measure --size 2G "$TEST_IMG" # only one allowed
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$QEMU_IMG measure "$TEST_IMG" a # only one filename allowed
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$QEMU_IMG measure --object secret,id=sec0,data=MTIzNDU2,format=base64 # size or filename needed
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$QEMU_IMG measure --image-opts # missing filename
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$QEMU_IMG measure -f qcow2 # missing filename
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$QEMU_IMG measure -l snap1 # missing filename
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$QEMU_IMG measure -o , # invalid option list
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$QEMU_IMG measure -l snapshot.foo=bar # invalid snapshot option
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$QEMU_IMG measure --output foo # invalid output format
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$QEMU_IMG measure --size -1 # invalid image size
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$QEMU_IMG measure -O foo "$TEST_IMG" # unknown image file format
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make_test_img_with_fmt() {
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# Shadow global variables within this function
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local IMGFMT="$1"
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_make_test_img --no-opts "$2"
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}
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qemu_io_with_fmt() {
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# Shadow global variables within this function
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local QEMU_IO_OPTIONS=$(echo "$QEMU_IO_OPTIONS" | sed "s/-f $IMGFMT/-f $1/")
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shift
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$QEMU_IO "$@"
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}
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# The proof is in the pudding: converted image size cannot be larger than the
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# required size.
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#
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# Note: if a change to the image format code causes the file size to change,
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# then this test fails! This is good because it's a reminder to check that the
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# required size is still at least as big as the actual converted file size.
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convert_and_show_size() {
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local fmt="$1"
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shift
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$QEMU_IMG convert -f "$fmt" -O "$IMGFMT" "$TEST_IMG" "$@" "$TEST_IMG.converted"
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stat -c "converted image file size in bytes: %s" "$TEST_IMG.converted"
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}
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for ofmt in human json; do
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echo
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echo "== Size calculation for a new file ($ofmt) =="
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echo
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# Try a few interesting sizes
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 0
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2G
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 64G
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 256G
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 1T
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2P
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$QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 7E
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# Always test the raw input files but also IMGFMT
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for fmt in $(echo -e "raw\n$IMGFMT\n" | sort -u); do
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echo
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echo "== Empty $fmt input image ($ofmt) =="
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echo
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make_test_img_with_fmt "$fmt" 0
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$QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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echo
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convert_and_show_size "$fmt"
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echo
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echo "== $fmt input image with data ($ofmt) =="
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echo
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make_test_img_with_fmt "$fmt" 1G
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$QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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qemu_io_with_fmt "$fmt" -c "write 512 512" "$TEST_IMG" | _filter_qemu_io
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qemu_io_with_fmt "$fmt" -c "write 64K 64K" "$TEST_IMG" | _filter_qemu_io
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if [ "$fmt" = "qcow2" ]; then
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$QEMU_IMG snapshot -c snapshot1 "$TEST_IMG"
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fi
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qemu_io_with_fmt "$fmt" -c "write 128M 63K" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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echo
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convert_and_show_size "$fmt"
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if [ "$fmt" = "qcow2" ]; then
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echo
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echo "== $fmt input image with internal snapshot ($ofmt) =="
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echo
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$QEMU_IMG measure --output=$ofmt -f "$fmt" -l snapshot1 \
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-O "$IMGFMT" "$TEST_IMG"
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echo
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convert_and_show_size "$fmt" -l snapshot1
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fi
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if [ "$IMGFMT" = "qcow2" ]; then
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echo
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echo "== $fmt input image and a backing file ($ofmt) =="
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echo
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# The backing file doesn't need to exist :)
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$QEMU_IMG measure --output=$ofmt -o backing_file=x \
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-f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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echo
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echo "== $fmt input image and LUKS encryption =="
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echo
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$QEMU_IMG measure --output=$ofmt \
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--object secret,id=sec0,data=base \
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-o encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10 \
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-f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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fi
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echo
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echo "== $fmt input image and preallocation ($ofmt) =="
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echo
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$QEMU_IMG measure --output=$ofmt -o preallocation=full \
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-f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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echo
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convert_and_show_size "$fmt" -o preallocation=full
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echo
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echo "== Fully-allocated $fmt input image ($ofmt) =="
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echo
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make_test_img_with_fmt "$fmt" 8M
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qemu_io_with_fmt "$fmt" -c "write 0 8M" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
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echo
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convert_and_show_size "$fmt"
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done
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done
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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