qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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common.filter (11127B)


      1 #!/usr/bin/env bash
      2 #
      3 # Copyright (C) 2009 Red Hat, Inc.
      4 # Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
      5 #
      6 # This program is free software; you can redistribute it and/or
      7 # modify it under the terms of the GNU General Public License as
      8 # published by the Free Software Foundation.
      9 #
     10 # This program is distributed in the hope that it would be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     17 #
     18 #
     19 # standard filters
     20 #
     21 
     22 _filter_date()
     23 {
     24     sed -Ee 's/[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}/yyyy-mm-dd hh:mm:ss/'
     25 }
     26 
     27 _filter_vmstate_size()
     28 {
     29     sed -E -e 's/[0-9. ]{5} [KMGT]iB/     SIZE/' \
     30            -e 's/[0-9. ]{5} B/   SIZE/'
     31 }
     32 
     33 _filter_generated_node_ids()
     34 {
     35     sed -Ee 's/\#block[0-9]{3,}/NODE_NAME/'
     36 }
     37 
     38 _filter_qom_path()
     39 {
     40     gsed -e '/Attached to:/s/\device[[0-9]\+\]/device[N]/g'
     41 }
     42 
     43 # replace occurrences of the actual TEST_DIR value with TEST_DIR
     44 _filter_testdir()
     45 {
     46     sed -e "s#$TEST_DIR/#TEST_DIR/#g" \
     47         -e "s#$SOCK_DIR/#SOCK_DIR/#g" \
     48         -e "s#SOCK_DIR/fuse-#TEST_DIR/#g"
     49 }
     50 
     51 # replace occurrences of the actual IMGFMT value with IMGFMT
     52 _filter_imgfmt()
     53 {
     54     sed -e "s#$IMGFMT#IMGFMT#g"
     55 }
     56 
     57 # Replace error message when the format is not supported and delete
     58 # the output lines after the first one
     59 _filter_qemu_img_check()
     60 {
     61     gsed -e '/allocated.*fragmented.*compressed clusters/d' \
     62         -e 's/qemu-img: This image format does not support checks/No errors were found on the image./' \
     63         -e '/Image end offset: [0-9]\+/d'
     64 }
     65 
     66 # Removes \r from messages
     67 _filter_win32()
     68 {
     69     gsed -e 's/\r//g'
     70 }
     71 
     72 # sanitize qemu-io output
     73 _filter_qemu_io()
     74 {
     75     _filter_win32 | \
     76     gsed -e "s/[0-9]* ops\; [0-9/:. sec]* ([0-9/.inf]* [EPTGMKiBbytes]*\/sec and [0-9/.inf]* ops\/sec)/X ops\; XX:XX:XX.X (XXX YYY\/sec and XXX ops\/sec)/" \
     77         -e "s/: line [0-9][0-9]*:  *[0-9][0-9]*\( Aborted\| Killed\)/:\1/" \
     78         -e "s/qemu-io> //g"
     79 }
     80 
     81 # replace occurrences of QEMU_PROG with "qemu"
     82 _filter_qemu()
     83 {
     84     gsed -e "s#\\(^\\|(qemu) \\)$(basename $QEMU_PROG):#\1QEMU_PROG:#" \
     85         -e 's#^QEMU [0-9]\+\.[0-9]\+\.[0-9]\+ monitor#QEMU X.Y.Z monitor#' \
     86         -e $'s#\r##' # QEMU monitor uses \r\n line endings
     87 }
     88 
     89 # replace problematic QMP output like timestamps
     90 _filter_qmp()
     91 {
     92     _filter_win32 | \
     93     gsed -e 's#\("\(micro\)\?seconds": \)[0-9]\+#\1 TIMESTAMP#g' \
     94         -e 's#^{"QMP":.*}$#QMP_VERSION#' \
     95         -e '/^    "QMP": {\s*$/, /^    }\s*$/ c\' \
     96         -e '    QMP_VERSION'
     97 }
     98 
     99 # readline makes HMP command strings so long that git complains
    100 _filter_hmp()
    101 {
    102     gsed -e $'s/^\\((qemu) \\)\\?.*\e\\[D/\\1/g' \
    103         -e $'s/\e\\[K//g'
    104 }
    105 
    106 # replace block job offset
    107 _filter_block_job_offset()
    108 {
    109     gsed -e 's/, "offset": [0-9]\+,/, "offset": OFFSET,/'
    110 }
    111 
    112 # replace block job len
    113 _filter_block_job_len()
    114 {
    115     gsed -e 's/, "len": [0-9]\+,/, "len": LEN,/g'
    116 }
    117 
    118 # replace actual image size (depends on the host filesystem)
    119 _filter_actual_image_size()
    120 {
    121     gsed -s 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g'
    122 }
    123 
    124 # Filename filters for qemu-img create
    125 _filter_img_create_filenames()
    126 {
    127     sed \
    128         -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \
    129         -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
    130         -e "s#$TEST_DIR#TEST_DIR#g" \
    131         -e "s#$SOCK_DIR#SOCK_DIR#g" \
    132         -e 's#SOCK_DIR/fuse-#TEST_DIR/#g' \
    133         -e "s#$IMGFMT#IMGFMT#g" \
    134         -e 's#nbd:127.0.0.1:[0-9]\\+#TEST_DIR/t.IMGFMT#g' \
    135         -e 's#nbd+unix:///\??socket=SOCK_DIR/nbd#TEST_DIR/t.IMGFMT#g'
    136 }
    137 
    138 # replace driver-specific options in the "Formatting..." line
    139 _do_filter_img_create()
    140 {
    141     # Split the line into the pre-options part ($filename_part, which
    142     # precedes ", fmt=") and the options part ($options, which starts
    143     # with "fmt=")
    144     # (And just echo everything before the first "^Formatting")
    145     readarray formatting_line < <(gsed -e 's/, fmt=/\n/')
    146 
    147     filename_part=${formatting_line[0]}
    148     unset formatting_line[0]
    149 
    150     options="fmt=${formatting_line[@]}"
    151 
    152     # Set grep_data_file to '\|data_file' to keep it; make it empty
    153     # to drop it.
    154     # We want to drop it if it is part of the global $IMGOPTS, and we
    155     # want to keep it otherwise (if the test specifically wants to
    156     # test data files).
    157     grep_data_file=(-e data_file)
    158     if _get_data_file "$TEST_IMG" > /dev/null; then
    159         grep_data_file=()
    160     fi
    161 
    162     filename_part=$(echo "$filename_part" | _filter_img_create_filenames)
    163 
    164     # Break the option line before each option (preserving pre-existing
    165     # line breaks by replacing them by \0 and restoring them at the end),
    166     # then filter out the options we want to keep and sort them according
    167     # to some order that all block drivers used at the time of writing
    168     # this function.
    169     options=$(
    170         echo "$options" \
    171         | tr '\n' '\0' \
    172         | gsed -e 's/ \([a-z0-9_.-]*\)=/\n\1=/g' \
    173         | grep -a -e '^fmt' -e '^size' -e '^backing' -e '^preallocation' \
    174                   -e '^encryption' "${grep_data_file[@]}" \
    175         | _filter_img_create_filenames \
    176         | sed \
    177             -e 's/^\(fmt\)/0-\1/' \
    178             -e 's/^\(size\)/1-\1/' \
    179             -e 's/^\(backing\)/2-\1/' \
    180             -e 's/^\(data_file\)/3-\1/' \
    181             -e 's/^\(encryption\)/4-\1/' \
    182             -e 's/^\(preallocation\)/8-\1/' \
    183         | LC_ALL=C sort \
    184         | sed -e 's/^[0-9]-//' \
    185         | tr '\n\0' ' \n' \
    186         | sed -e 's/^ *$//' -e 's/ *$//'
    187     )
    188 
    189     if [ -n "$options" ]; then
    190         echo "$filename_part, $options"
    191     elif [ -n "$filename_part" ]; then
    192         echo "$filename_part"
    193     fi
    194 }
    195 
    196 # Filter qemu-img create output:
    197 # Pipe all ^Formatting lines through _do_filter_img_create, and all
    198 # other lines through _filter_img_create_filenames
    199 _filter_img_create()
    200 {
    201     while read -r line; do
    202         if echo "$line" | grep -q '^Formatting'; then
    203             echo "$line" | _do_filter_img_create
    204         else
    205             echo "$line" | _filter_img_create_filenames
    206         fi
    207     done
    208 }
    209 
    210 _filter_img_create_size()
    211 {
    212     gsed -e "s# size=[0-9]\\+# size=SIZE#g"
    213 }
    214 
    215 _filter_img_info()
    216 {
    217     if [[ "$1" == "--format-specific" ]]; then
    218         local format_specific=1
    219         shift
    220     else
    221         local format_specific=0
    222     fi
    223 
    224     discard=0
    225     regex_json_spec_start='^ *"format-specific": \{'
    226     gsed -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \
    227         -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
    228         -e "s#$TEST_DIR#TEST_DIR#g" \
    229         -e "s#$SOCK_DIR#SOCK_DIR#g" \
    230         -e "s#$IMGFMT#IMGFMT#g" \
    231         -e 's#nbd://127.0.0.1:[0-9]\\+$#TEST_DIR/t.IMGFMT#g' \
    232         -e 's#nbd+unix:///\??socket=SOCK_DIR/nbd#TEST_DIR/t.IMGFMT#g' \
    233         -e 's#SOCK_DIR/fuse-#TEST_DIR/#g' \
    234         -e "/encrypted: yes/d" \
    235         -e "/cluster_size: [0-9]\\+/d" \
    236         -e "/table_size: [0-9]\\+/d" \
    237         -e "/compat: '[^']*'/d" \
    238         -e "/compat6: \\(on\\|off\\)/d" \
    239         -e "s/cid: [0-9]\+/cid: XXXXXXXXXX/" \
    240         -e "/static: \\(on\\|off\\)/d" \
    241         -e "/zeroed_grain: \\(on\\|off\\)/d" \
    242         -e "/subformat: '[^']*'/d" \
    243         -e "/adapter_type: '[^']*'/d" \
    244         -e "/hwversion: '[^']*'/d" \
    245         -e "/lazy_refcounts: \\(on\\|off\\)/d" \
    246         -e "/extended_l2=\\(on\\|off\\)/d" \
    247         -e "/block_size: [0-9]\\+/d" \
    248         -e "/block_state_zero: \\(on\\|off\\)/d" \
    249         -e "/log_size: [0-9]\\+/d" \
    250         -e "s/iters: [0-9]\\+/iters: 1024/" \
    251         -e 's/\(compression type: \)\(zlib\|zstd\)/\1COMPRESSION_TYPE/' \
    252         -e "s/uuid: [-a-f0-9]\\+/uuid: 00000000-0000-0000-0000-000000000000/" | \
    253     while IFS='' read -r line; do
    254         if [[ $format_specific == 1 ]]; then
    255             discard=0
    256         elif [[ $line == "Format specific information:" ]]; then
    257             discard=1
    258         elif [[ $line =~ $regex_json_spec_start ]]; then
    259             discard=2
    260             regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
    261         fi
    262         if [[ $discard == 0 ]]; then
    263             echo "$line"
    264         elif [[ $discard == 1 && ! $line ]]; then
    265             echo
    266             discard=0
    267         elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
    268             discard=0
    269         fi
    270     done
    271 }
    272 
    273 # filter out offsets and file names from qemu-img map; good for both
    274 # human and json output
    275 _filter_qemu_img_map()
    276 {
    277     # Assuming the data_file value in $IMGOPTS contains a '$TEST_IMG',
    278     # create a filter that replaces the data file name by $TEST_IMG.
    279     # Example:
    280     #   In $IMGOPTS: 'data_file=$TEST_IMG.data_file'
    281     #   Then data_file_pattern == '\(.*\).data_file'
    282     #   And  data_file_filter  == -e 's#\(.*\).data_file#\1#
    283     data_file_filter=()
    284     if data_file_pattern=$(_get_data_file '\\(.*\\)'); then
    285         data_file_filter=(-e "s#$data_file_pattern#\\1#")
    286     fi
    287 
    288     sed -e 's/\([0-9a-fx]* *[0-9a-fx]* *\)[0-9a-fx]* */\1/g' \
    289         -e 's/"offset": [0-9]\+/"offset": OFFSET/g' \
    290         -e 's/Mapped to *//' \
    291         "${data_file_filter[@]}" \
    292         | _filter_testdir | _filter_imgfmt
    293 }
    294 
    295 _filter_nbd()
    296 {
    297     # nbd.c error messages contain function names and line numbers that are
    298     # prone to change.  Message ordering depends on timing between send and
    299     # receive callbacks sometimes, making them unreliable.
    300     #
    301     # Filter out the TCP port number since this changes between runs.
    302     sed -e '/nbd\/.*\.c:/d' \
    303         -e 's#127\.0\.0\.1:[0-9]*#127.0.0.1:PORT#g' \
    304         -e 's#localhost:[0-9]*#localhost:PORT#g' \
    305         -e 's#host=127\.0\.0\.1,port=[0-9]*#host=127.0.0.1,port=PORT#g' \
    306         -e 's#host=localhost,port=[0-9]*#host=localhost,port=PORT#g' \
    307         -e "s#path=$SOCK_DIR#path=SOCK_DIR#g" \
    308         -e "s#?socket=$SOCK_DIR#?socket=SOCK_DIR#g" \
    309         -e 's#\(foo\|PORT/\?\|.sock\): Failed to .*$#\1#'
    310 }
    311 
    312 _filter_qemu_nbd_exports()
    313 {
    314     grep '\(exports available\|export\|size\|min block\|qemu-nbd\):'
    315 }
    316 
    317 _filter_qmp_empty_return()
    318 {
    319     grep -v '{"return": {}}'
    320 }
    321 
    322 _filter_json_filename()
    323 {
    324     $PYTHON -c 'import sys
    325 result, *fnames = sys.stdin.read().split("json:{")
    326 depth = 0
    327 for fname in fnames:
    328     depth += 1 # For the opening brace in the split separator
    329     for chr_i, chr in enumerate(fname):
    330         if chr == "{":
    331             depth += 1
    332         elif chr == "}":
    333             depth -= 1
    334             if depth == 0:
    335                 break
    336 
    337     # json:{} filenames may be nested; filter out everything from
    338     # inside the outermost one
    339     if depth == 0:
    340         chr_i += 1 # First character past the filename
    341         result += "json:{ /* filtered */ }" + fname[chr_i:]
    342 
    343 sys.stdout.write(result)'
    344 }
    345 
    346 _filter_authz_check_tls()
    347 {
    348     sed -e 's/TLS x509 authz check for .* is denied/TLS x509 authz check for DISTINGUISHED-NAME is denied/'
    349 }
    350 
    351 _filter_qcow2_compression_type_bit()
    352 {
    353     gsed -e 's/\(incompatible_features\s\+\)\[3\(, \)\?/\1[/' \
    354         -e 's/\(incompatible_features.*\), 3\]/\1]/' \
    355         -e 's/\(incompatible_features.*\), 3\(,.*\)/\1\2/'
    356 }
    357 
    358 # make sure this script returns success
    359 true