tests/qemu-iotests/common.rc

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2009 Red Hat, Inc.
   4 # Copyright (c) 2000-2006 Silicon Graphics, Inc.  All Rights Reserved.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 dd()
  21 {
  22    if [ "$HOSTOS" == "Linux" ]
  23    then
  24         command dd --help | grep noxfer > /dev/null 2>&1
  25
  26         if [ "$?" -eq 0 ]
  27             then
  28                 command dd status=noxfer $@
  29             else
  30                 command dd $@
  31             fi
  32    else
  33         command dd $@
  34    fi
  35 }
  36
  37 # poke_file 'test.img' 512 '\xff\xfe'
  38 poke_file()
  39 {
  40     printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null
  41 }
  42
  43 # we need common.config
  44 if [ "$iam" != "check" ]
  45 then
  46     if ! . ./common.config
  47         then
  48         echo "$iam: failed to source common.config"
  49         exit 1
  50     fi
  51 fi
  52
  53 # make sure we have a standard umask
  54 umask 022
  55
  56 if [ "$IMGOPTSSYNTAX" = "true" ]; then
  57     DRIVER="driver=$IMGFMT"
  58     if [ "$IMGFMT" = "luks" ]; then
  59         DRIVER="$DRIVER,key-secret=keysec0"
  60     fi
  61     if [ "$IMGPROTO" = "file" ]; then
  62         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  63         TEST_IMG="$DRIVER,file.filename=$TEST_DIR/t.$IMGFMT"
  64     elif [ "$IMGPROTO" = "nbd" ]; then
  65         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  66         TEST_IMG="$DRIVER,file.driver=nbd,file.host=127.0.0.1,file.port=10810"
  67     elif [ "$IMGPROTO" = "ssh" ]; then
  68         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  69         TEST_IMG="$DRIVER,file.driver=ssh,file.host=127.0.0.1,file.path=$TEST_IMG_FILE"
  70     elif [ "$IMGPROTO" = "nfs" ]; then
  71         TEST_DIR="$DRIVER,file.driver=nfs,file.filename=nfs://127.0.0.1/$TEST_DIR"
  72         TEST_IMG=$TEST_DIR/t.$IMGFMT
  73     else
  74         TEST_IMG="$DRIVER,file.driver=$IMGPROTO,file.filename=$TEST_DIR/t.$IMGFMT"
  75     fi
  76 else
  77     if [ "$IMGPROTO" = "file" ]; then
  78         TEST_IMG=$TEST_DIR/t.$IMGFMT
  79     elif [ "$IMGPROTO" = "nbd" ]; then
  80         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  81         TEST_IMG="nbd:127.0.0.1:10810"
  82     elif [ "$IMGPROTO" = "ssh" ]; then
  83         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  84         TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE"
  85     elif [ "$IMGPROTO" = "nfs" ]; then
  86         TEST_DIR="nfs://127.0.0.1/$TEST_DIR"
  87         TEST_IMG=$TEST_DIR/t.$IMGFMT
  88     else
  89         TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT
  90     fi
  91 fi
  92
  93 _optstr_add()
  94 {
  95     if [ -n "$1" ]; then
  96         echo "$1,$2"
  97     else
  98         echo "$2"
  99     fi
 100 }
 101
 102 _set_default_imgopts()
 103 {
 104     if [ "$IMGFMT" == "qcow2" ] && ! (echo "$IMGOPTS" | grep "compat=" > /dev/null); then
 105         IMGOPTS=$(_optstr_add "$IMGOPTS" "compat=1.1")
 106     fi
 107 }
 108
 109 _use_sample_img()
 110 {
 111     SAMPLE_IMG_FILE="${1%\.bz2}"
 112     TEST_IMG="$TEST_DIR/$SAMPLE_IMG_FILE"
 113     bzcat "$SAMPLE_IMG_DIR/$1" > "$TEST_IMG"
 114     if [ $? -ne 0 ]
 115     then
 116         echo "_use_sample_img error, cannot extract '$SAMPLE_IMG_DIR/$1'"
 117         exit 1
 118     fi
 119 }
 120
 121 _make_test_img()
 122 {
 123     # extra qemu-img options can be added by tests
 124     # at least one argument (the image size) needs to be added
 125     local extra_img_options=""
 126     local image_size=$*
 127     local optstr=""
 128     local img_name=""
 129     local use_backing=0
 130     local backing_file=""
 131     local object_options=""
 132
 133     if [ -n "$TEST_IMG_FILE" ]; then
 134         img_name=$TEST_IMG_FILE
 135     else
 136         img_name=$TEST_IMG
 137     fi
 138
 139     if [ -n "$IMGOPTS" ]; then
 140         optstr=$(_optstr_add "$optstr" "$IMGOPTS")
 141     fi
 142     if [ -n "$IMGKEYSECRET" ]; then
 143         object_options="--object secret,id=keysec0,data=$IMGKEYSECRET"
 144         optstr=$(_optstr_add "$optstr" "key-secret=keysec0")
 145     fi
 146
 147     if [ "$1" = "-b" ]; then
 148         use_backing=1
 149         backing_file=$2
 150         image_size=$3
 151     fi
 152     if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" ]; then
 153         optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE")
 154     fi
 155
 156     if [ -n "$optstr" ]; then
 157         extra_img_options="-o $optstr $extra_img_options"
 158     fi
 159
 160     # XXX(hch): have global image options?
 161     (
 162      if [ $use_backing = 1 ]; then
 163         $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options -b "$backing_file" "$img_name" $image_size 2>&1
 164      else
 165         $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options "$img_name" $image_size 2>&1
 166      fi
 167     ) | _filter_img_create
 168
 169     # Start an NBD server on the image file, which is what we'll be talking to
 170     if [ $IMGPROTO = "nbd" ]; then
 171         eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT  $TEST_IMG_FILE >/dev/null &"
 172         sleep 1 # FIXME: qemu-nbd needs to be listening before we continue
 173     fi
 174 }
 175
 176 _rm_test_img()
 177 {
 178     local img=$1
 179     if [ "$IMGFMT" = "vmdk" ]; then
 180         # Remove all the extents for vmdk
 181         "$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 -d: \
 182             | xargs -I {} rm -f "{}"
 183     fi
 184     rm -f "$img"
 185 }
 186
 187 _cleanup_test_img()
 188 {
 189     case "$IMGPROTO" in
 190
 191         nbd)
 192             if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then
 193                 local QEMU_NBD_PID
 194                 read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid"
 195                 kill ${QEMU_NBD_PID}
 196                 rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid"
 197             fi
 198             rm -f "$TEST_IMG_FILE"
 199             ;;
 200         file)
 201             _rm_test_img "$TEST_DIR/t.$IMGFMT"
 202             _rm_test_img "$TEST_DIR/t.$IMGFMT.orig"
 203             _rm_test_img "$TEST_DIR/t.$IMGFMT.base"
 204             if [ -n "$SAMPLE_IMG_FILE" ]
 205             then
 206                 rm -f "$TEST_DIR/$SAMPLE_IMG_FILE"
 207             fi
 208             ;;
 209
 210         rbd)
 211             rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null
 212             ;;
 213
 214         sheepdog)
 215             collie vdi delete "$TEST_DIR/t.$IMGFMT"
 216             ;;
 217
 218     esac
 219 }
 220
 221 _check_test_img()
 222 {
 223     (
 224         if [ "$IMGOPTSSYNTAX" = "true" ]; then
 225             $QEMU_IMG check $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1
 226         else
 227             $QEMU_IMG check "$@" -f $IMGFMT "$TEST_IMG" 2>&1
 228         fi
 229     ) | _filter_testdir | _filter_qemu_img_check
 230 }
 231
 232 _img_info()
 233 {
 234     if [[ "$1" == "--format-specific" ]]; then
 235         local format_specific=1
 236         shift
 237     else
 238         local format_specific=0
 239     fi
 240
 241     discard=0
 242     regex_json_spec_start='^ *"format-specific": \{'
 243     $QEMU_IMG info "$@" "$TEST_IMG" 2>&1 | \
 244         sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
 245             -e "s#$TEST_DIR#TEST_DIR#g" \
 246             -e "s#$IMGFMT#IMGFMT#g" \
 247             -e "/^disk size:/ D" \
 248             -e "/actual-size/ D" | \
 249         while IFS='' read line; do
 250             if [[ $format_specific == 1 ]]; then
 251                 discard=0
 252             elif [[ $line == "Format specific information:" ]]; then
 253                 discard=1
 254             elif [[ $line =~ $regex_json_spec_start ]]; then
 255                 discard=2
 256                 regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
 257             fi
 258             if [[ $discard == 0 ]]; then
 259                 echo "$line"
 260             elif [[ $discard == 1 && ! $line ]]; then
 261                 echo
 262                 discard=0
 263             elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
 264                 discard=0
 265             fi
 266         done
 267 }
 268
 269 _get_pids_by_name()
 270 {
 271     if [ $# -ne 1 ]
 272     then
 273         echo "Usage: _get_pids_by_name process-name" 1>&2
 274         exit 1
 275     fi
 276
 277     # Algorithm ... all ps(1) variants have a time of the form MM:SS or
 278     # HH:MM:SS before the psargs field, use this as the search anchor.
 279     #
 280     # Matches with $1 (process-name) occur if the first psarg is $1
 281     # or ends in /$1 ... the matching uses sed's regular expressions,
 282     # so passing a regex into $1 will work.
 283
 284     ps $PS_ALL_FLAGS \
 285     | sed -n \
 286         -e 's/$/ /' \
 287         -e 's/[         ][         ]*/ /g' \
 288         -e 's/^ //' \
 289         -e 's/^[^ ]* //' \
 290         -e "/[0-9]:[0-9][0-9]  *[^ ]*\/$1 /s/ .*//p" \
 291         -e "/[0-9]:[0-9][0-9]  *$1 /s/ .*//p"
 292 }
 293
 294 # fqdn for localhost
 295 #
 296 _get_fqdn()
 297 {
 298     host=`hostname`
 299     $NSLOOKUP_PROG $host | $AWK_PROG '{ if ($1 == "Name:") print $2 }'
 300 }
 301
 302 # check if run as root
 303 #
 304 _need_to_be_root()
 305 {
 306     id=`id | $SED_PROG -e 's/(.*//' -e 's/.*=//'`
 307     if [ "$id" -ne 0 ]
 308     then
 309         echo "Arrgh ... you need to be root (not uid=$id) to run this test"
 310         exit 1
 311     fi
 312 }
 313
 314 # bail out, setting up .notrun file
 315 #
 316 _notrun()
 317 {
 318     echo "$*" >"$OUTPUT_DIR/$seq.notrun"
 319     echo "$seq not run: $*"
 320     status=0
 321     exit
 322 }
 323
 324 # just plain bail out
 325 #
 326 _fail()
 327 {
 328     echo "$*" | tee -a "$OUTPUT_DIR/$seq.full"
 329     echo "(see $seq.full for details)"
 330     status=1
 331     exit 1
 332 }
 333
 334 # tests whether $IMGFMT is one of the supported image formats for a test
 335 #
 336 _supported_fmt()
 337 {
 338     # "generic" is suitable for most image formats. For some formats it doesn't
 339     # work, however (most notably read-only formats), so they can opt out by
 340     # setting IMGFMT_GENERIC to false.
 341     for f; do
 342         if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then
 343             return
 344         fi
 345     done
 346
 347     _notrun "not suitable for this image format: $IMGFMT"
 348 }
 349
 350 # tests whether $IMGFMT is one of the unsupported image format for a test
 351 #
 352 _unsupported_fmt()
 353 {
 354     for f; do
 355         if [ "$f" = "$IMGFMT" ]; then
 356             _notrun "not suitable for this image format: $IMGFMT"
 357         fi
 358     done
 359 }
 360
 361 # tests whether $IMGPROTO is one of the supported image protocols for a test
 362 #
 363 _supported_proto()
 364 {
 365     for f; do
 366         if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then
 367             return
 368         fi
 369     done
 370
 371     _notrun "not suitable for this image protocol: $IMGPROTO"
 372 }
 373
 374 # tests whether $IMGPROTO is specified as an unsupported image protocol for a test
 375 #
 376 _unsupported_proto()
 377 {
 378     for f; do
 379         if [ "$f" = "$IMGPROTO" ]; then
 380             _notrun "not suitable for this image protocol: $IMGPROTO"
 381             return
 382         fi
 383     done
 384 }
 385
 386 # tests whether the host OS is one of the supported OSes for a test
 387 #
 388 _supported_os()
 389 {
 390     for h
 391     do
 392         if [ "$h" = "$HOSTOS" ]
 393         then
 394             return
 395         fi
 396     done
 397
 398     _notrun "not suitable for this OS: $HOSTOS"
 399 }
 400
 401 _supported_cache_modes()
 402 {
 403     for mode; do
 404         if [ "$mode" = "$CACHEMODE" ]; then
 405             return
 406         fi
 407     done
 408     _notrun "not suitable for cache mode: $CACHEMODE"
 409 }
 410
 411 _default_cache_mode()
 412 {
 413     if $CACHEMODE_IS_DEFAULT; then
 414         CACHEMODE="$1"
 415         QEMU_IO="$QEMU_IO --cache $1"
 416         return
 417     fi
 418 }
 419
 420 _unsupported_imgopts()
 421 {
 422     for bad_opt
 423     do
 424         if echo "$IMGOPTS" | grep -q 2>/dev/null "$bad_opt"
 425         then
 426             _notrun "not suitable for image option: $bad_opt"
 427         fi
 428     done
 429 }
 430
 431 # this test requires that a specified command (executable) exists
 432 #
 433 _require_command()
 434 {
 435     if [ "$1" = "QEMU" ]; then
 436         c=$QEMU_PROG
 437     elif [ "$1" = "QEMU_IMG" ]; then
 438         c=$QEMU_IMG_PROG
 439     elif [ "$1" = "QEMU_IO" ]; then
 440         c=$QEMU_IO_PROG
 441     elif [ "$1" = "QEMU_NBD" ]; then
 442         c=$QEMU_NBD_PROG
 443     else
 444         eval c=\$$1
 445     fi
 446     [ -x "$c" ] || _notrun "$1 utility required, skipped this test"
 447 }
 448
 449 _full_imgfmt_details()
 450 {
 451     if [ -n "$IMGOPTS" ]; then
 452         echo "$IMGFMT ($IMGOPTS)"
 453     else
 454         echo "$IMGFMT"
 455     fi
 456 }
 457
 458 _full_imgproto_details()
 459 {
 460     echo "$IMGPROTO"
 461 }
 462
 463 _full_platform_details()
 464 {
 465     os=`uname -s`
 466     host=`hostname -s`
 467     kernel=`uname -r`
 468     platform=`uname -m`
 469     echo "$os/$platform $host $kernel"
 470 }
 471
 472 _link_out_file()
 473 {
 474    if [ -z "$1" ]; then
 475       echo Error must pass \$seq.
 476       exit
 477    fi
 478    rm -f $1
 479    if [ "`uname`" == "IRIX64" ] || [ "`uname`" == "IRIX" ]; then
 480       ln -s $1.irix $1
 481    elif [ "`uname`" == "Linux" ]; then
 482       ln -s $1.linux $1
 483    else
 484       echo Error test $seq does not run on the operating system: `uname`
 485       exit
 486    fi
 487 }
 488
 489 _die()
 490 {
 491         echo $@
 492         exit 1
 493 }
 494
 495 # make sure this script returns success
 496 true