Commit 76b90e23 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

qemu-iotests: General tests for qcow2 with external data file 



Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent c35896c5

tests/qemu-iotests/244

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#!/bin/bash

#

# Test qcow2 with external data files

#

# Copyright (C) 2019 Red Hat, Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#



# creator

owner=kwolf@redhat.com



seq=$(basename $0)

echo "QA output created by $seq"



status=1	# failure is the default!



_cleanup()

{

    _cleanup_test_img

    rm -f $TEST_IMG.data

    rm -f $TEST_IMG.src

}

trap "_cleanup; exit \$status" 0 1 2 3 15



# get standard environment, filters and checks

. ./common.rc

. ./common.filter



_supported_fmt qcow2

_supported_proto file

_supported_os Linux



echo

echo "=== Create and open image with external data file ==="

echo



echo "With data file name in the image:"

IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M

_check_test_img



$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir

$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir

$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir



echo

echo "Data file required, but without data file name in the image:"

$QEMU_IMG amend -odata_file= $TEST_IMG



$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir

$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir

$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir



echo

echo "Setting data-file for an image with internal data:"

_make_test_img 64M



$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir

$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir



echo

echo "=== Conflicting features ==="

echo



echo "Convert to compressed target with data file:"

TEST_IMG="$TEST_IMG.src" _make_test_img 64M



$QEMU_IO -c 'write -P 0x11 0 1M' \

         -f $IMGFMT "$TEST_IMG.src" |

         _filter_qemu_io



$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c -odata_file="$TEST_IMG.data" \

    "$TEST_IMG.src" "$TEST_IMG"



echo

echo "Convert uncompressed, then write compressed data manually:"

$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -odata_file="$TEST_IMG.data" \

    "$TEST_IMG.src" "$TEST_IMG"

$QEMU_IMG compare "$TEST_IMG.src" "$TEST_IMG"



$QEMU_IO -c 'write -c -P 0x22 0 1M' \

         -f $IMGFMT "$TEST_IMG" |

         _filter_qemu_io

_check_test_img



echo

echo "Take an internal snapshot:"



$QEMU_IMG snapshot -c test "$TEST_IMG"

_check_test_img



echo

echo "=== Standalone image with external data file (efficient) ==="

echo



IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M



echo -n "qcow2 file size before I/O: "

du -b $TEST_IMG | cut -f1



# Create image with the following layout

# 0-1 MB: Unallocated

# 1-2 MB: Written (pattern 0x11)

# 2-3 MB: Discarded

# 3-4 MB: Zero write over discarded space

# 4-5 MB: Zero write over written space

# 5-6 MB: Zero write over unallocated space



echo

$QEMU_IO -c 'write -P 0x11 1M 4M' \

         -c 'discard 2M 2M' \

         -c 'write -z 3M 3M' \

         -f $IMGFMT "$TEST_IMG" |

         _filter_qemu_io

_check_test_img



echo

$QEMU_IMG map --output=json "$TEST_IMG"



echo

$QEMU_IO -c 'read -P 0 0 1M' \

         -c 'read -P 0x11 1M 1M' \

         -c 'read -P 0 2M 4M' \

         -f $IMGFMT "$TEST_IMG" |

         _filter_qemu_io



# Zero clusters are only marked as such in the qcow2 metadata, but contain

# stale data in the external data file

echo

$QEMU_IO -c 'read -P 0 0 1M' \

         -c 'read -P 0x11 1M 1M' \

         -c 'read -P 0 2M 2M' \

         -c 'read -P 0x11 4M 1M' \

         -c 'read -P 0 5M 1M' \

         -f raw "$TEST_IMG.data" |

         _filter_qemu_io





echo -n "qcow2 file size after I/O: "

du -b $TEST_IMG | cut -f1



echo

echo "=== Standalone image with external data file (valid raw) ==="

echo



IMGOPTS="data_file=$TEST_IMG.data,data_file_raw=on" _make_test_img 64M



echo -n "qcow2 file size before I/O: "

du -b $TEST_IMG | cut -f1



echo

$QEMU_IO -c 'write -P 0x11 1M 4M' \

         -c 'discard 2M 2M' \

         -c 'write -z 3M 3M' \

         -f $IMGFMT "$TEST_IMG" |

         _filter_qemu_io

_check_test_img



echo

$QEMU_IMG map --output=json "$TEST_IMG"



echo

$QEMU_IO -c 'read -P 0 0 1M' \

         -c 'read -P 0x11 1M 1M' \

         -c 'read -P 0 2M 4M' \

         -f $IMGFMT "$TEST_IMG" |

         _filter_qemu_io



echo

$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.data"



echo -n "qcow2 file size after I/O: "

du -b $TEST_IMG | cut -f1



echo

echo "=== bdrv_co_block_status test for file and offset=0 ==="

echo



IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M



$QEMU_IO -c 'write -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io

$QEMU_IO -c 'read -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io

$QEMU_IMG map --output=human "$TEST_IMG" | _filter_testdir

$QEMU_IMG map --output=json "$TEST_IMG"



# success, all done

echo "*** done"

rm -f $seq.full

status=0

tests/qemu-iotests/244.out

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QA output created by 244



=== Create and open image with external data file ===



With data file name in the image:

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data

No errors were found on the image.

read 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

can't open device TEST_DIR/t.qcow2: Could not open 'inexistent': No such file or directory

no file open, try 'help open'



Data file required, but without data file name in the image:

can't open device TEST_DIR/t.qcow2: 'data-file' is required for this image

no file open, try 'help open'

read 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

can't open device TEST_DIR/t.qcow2: Could not open 'inexistent': No such file or directory

no file open, try 'help open'



Setting data-file for an image with internal data:

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864

can't open device TEST_DIR/t.qcow2: 'data-file' can only be set for images with an external data file

no file open, try 'help open'

can't open device TEST_DIR/t.qcow2: Could not open 'inexistent': No such file or directory

no file open, try 'help open'



=== Conflicting features ===



Convert to compressed target with data file:

Formatting 'TEST_DIR/t.IMGFMT.src', fmt=IMGFMT size=67108864

wrote 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

qemu-img: error while writing sector 0: Operation not supported



Convert uncompressed, then write compressed data manually:

Images are identical.

write failed: Operation not supported

No errors were found on the image.



Take an internal snapshot:

qemu-img: Could not create snapshot 'test': -95 (Operation not supported)

No errors were found on the image.



=== Standalone image with external data file (efficient) ===



Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data

qcow2 file size before I/O: 196616



wrote 4194304/4194304 bytes at offset 1048576

4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

discard 2097152/2097152 bytes at offset 2097152

2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

wrote 3145728/3145728 bytes at offset 3145728

3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

No errors were found on the image.



[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false},

{ "start": 1048576, "length": 1048576, "depth": 0, "zero": false, "data": true, "offset": 1048576},

{ "start": 2097152, "length": 2097152, "depth": 0, "zero": true, "data": false},

{ "start": 4194304, "length": 1048576, "depth": 0, "zero": true, "data": false, "offset": 4194304},

{ "start": 5242880, "length": 61865984, "depth": 0, "zero": true, "data": false}]



read 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 1048576

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 4194304/4194304 bytes at offset 2097152

4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)



read 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 1048576

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 2097152/2097152 bytes at offset 2097152

2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 4194304

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 5242880

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

qcow2 file size after I/O: 327680



=== Standalone image with external data file (valid raw) ===



Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data data_file_raw=on

qcow2 file size before I/O: 196616



wrote 4194304/4194304 bytes at offset 1048576

4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

discard 2097152/2097152 bytes at offset 2097152

2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

wrote 3145728/3145728 bytes at offset 3145728

3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

No errors were found on the image.



[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false},

{ "start": 1048576, "length": 1048576, "depth": 0, "zero": false, "data": true, "offset": 1048576},

{ "start": 2097152, "length": 2097152, "depth": 0, "zero": true, "data": false},

{ "start": 4194304, "length": 1048576, "depth": 0, "zero": true, "data": false, "offset": 4194304},

{ "start": 5242880, "length": 61865984, "depth": 0, "zero": true, "data": false}]



read 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 1048576

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 4194304/4194304 bytes at offset 2097152

4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)



Images are identical.

qcow2 file size after I/O: 327680



=== bdrv_co_block_status test for file and offset=0 ===



Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data

wrote 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 0

1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

Offset          Length          Mapped to       File

0               0x100000        0               TEST_DIR/t.qcow2.data

[{ "start": 0, "length": 1048576, "depth": 0, "zero": false, "data": true, "offset": 0},

{ "start": 1048576, "length": 66060288, "depth": 0, "zero": true, "data": false}]

*** done

tests/qemu-iotests/group

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@@ -242,3 +242,4 @@ 
240 auto quick

242 rw auto quick

243 rw auto quick

244 rw auto quick