qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      1 #!/usr/bin/env bash
      2 # group: rw
      3 #
      4 # Test writing image headers of other formats into raw images
      5 #
      6 # Copyright (C) 2014 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 $seq"
     27 
     28 status=1	# failure is the default!
     29 
     30 _cleanup()
     31 {
     32     _cleanup_qemu
     33     _rm_test_img "$TEST_IMG.src"
     34     _cleanup_test_img
     35 }
     36 trap "_cleanup; exit \$status" 0 1 2 3 15
     37 
     38 # get standard environment, filters and checks
     39 . ./common.rc
     40 . ./common.filter
     41 . ./common.qemu
     42 
     43 _supported_fmt raw
     44 _supported_proto file
     45 _supported_os Linux
     46 _require_drivers qcow qcow2 qed vdi vmdk vpc
     47 
     48 qemu_comm_method=qmp
     49 
     50 run_qemu()
     51 {
     52     local raw_img="$1"
     53     local source_img="$2"
     54     local qmp_format="$3"
     55     local qmp_event="$4"
     56 
     57     _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},aio=${AIOMODE},id=src
     58     _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
     59 
     60     _send_qemu_cmd $QEMU_HANDLE \
     61         "{'execute':'drive-mirror', 'arguments':{
     62             'device': 'src', 'target': '$raw_img', $qmp_format
     63             'mode': 'existing', 'sync': 'full'}}" \
     64         "return"
     65 
     66     _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
     67     if test "$qmp_event" = BLOCK_JOB_ERROR; then
     68         _send_qemu_cmd $QEMU_HANDLE '' '"status": "null"'
     69     fi
     70     _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
     71     _send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return"
     72     wait=1 _cleanup_qemu
     73 }
     74 
     75 for fmt in qcow qcow2 qed vdi vmdk vpc; do
     76 
     77     echo
     78     echo "=== Writing a $fmt header into raw ==="
     79     echo
     80 
     81     TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
     82     _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
     83 
     84     # This first test should fail: The image format was probed, we may not
     85     # write an image header at the start of the image
     86     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
     87         _filter_block_job_len
     88     $QEMU_IO -c 'read -P 0 0 512' "$TEST_IMG" | _filter_qemu_io
     89 
     90 
     91     # When raw was explicitly specified, the same must succeed
     92     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
     93     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
     94 
     95 done
     96 
     97 
     98 for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
     99                   simple-pattern.cloop; do
    100 
    101     echo
    102     echo "=== Copying sample image $sample_img into raw ==="
    103     echo
    104 
    105     # Can't use _use_sample_img because that isn't designed to be used multiple
    106     # times and it overwrites $TEST_IMG (both breaks cleanup)
    107     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
    108     _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
    109 
    110     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
    111         _filter_block_job_offset | _filter_block_job_len
    112     $QEMU_IO -c 'read -P 0 0 512' "$TEST_IMG" | _filter_qemu_io
    113 
    114     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
    115     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    116 done
    117 
    118 echo
    119 echo "=== Write legitimate MBR into raw ==="
    120 echo
    121 
    122 for sample_img in grub_mbr.raw; do
    123     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
    124     _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
    125 
    126     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
    127     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    128 
    129     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
    130     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    131 done
    132 
    133 
    134 # success, all done
    135 echo '*** done'
    136 rm -f $seq.full
    137 status=0