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.$IMGFMT
  88     elif [ "$IMGPROTO" = "vxhs" ]; then
  89         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
  90         TEST_IMG="vxhs://127.0.0.1:9999/t.$IMGFMT"
  91     else
  92         TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT
  93     fi
  94 fi
  95 ORIG_TEST_IMG="$TEST_IMG"
  96
  97 _optstr_add()
  98 {
  99     if [ -n "$1" ]; then
 100         echo "$1,$2"
 101     else
 102         echo "$2"
 103     fi
 104 }
 105
 106 _set_default_imgopts()
 107 {
 108     if [ "$IMGFMT" == "qcow2" ] && ! (echo "$IMGOPTS" | grep "compat=" > /dev/null); then
 109         IMGOPTS=$(_optstr_add "$IMGOPTS" "compat=1.1")
 110     fi
 111     if [ "$IMGFMT" == "luks" ] && ! (echo "$IMGOPTS" | grep "iter-time=" > /dev/null); then
 112         IMGOPTS=$(_optstr_add "$IMGOPTS" "iter-time=10")
 113     fi
 114 }
 115
 116 _use_sample_img()
 117 {
 118     SAMPLE_IMG_FILE="${1%\.bz2}"
 119     TEST_IMG="$TEST_DIR/$SAMPLE_IMG_FILE"
 120     bzcat "$SAMPLE_IMG_DIR/$1" > "$TEST_IMG"
 121     if [ $? -ne 0 ]
 122     then
 123         echo "_use_sample_img error, cannot extract '$SAMPLE_IMG_DIR/$1'"
 124         exit 1
 125     fi
 126 }
 127
 128 _make_test_img()
 129 {
 130     # extra qemu-img options can be added by tests
 131     # at least one argument (the image size) needs to be added
 132     local extra_img_options=""
 133     local image_size=$*
 134     local optstr=""
 135     local img_name=""
 136     local use_backing=0
 137     local backing_file=""
 138     local object_options=""
 139
 140     if [ -n "$TEST_IMG_FILE" ]; then
 141         img_name=$TEST_IMG_FILE
 142     else
 143         img_name=$TEST_IMG
 144     fi
 145
 146     if [ -n "$IMGOPTS" ]; then
 147         optstr=$(_optstr_add "$optstr" "$IMGOPTS")
 148     fi
 149     if [ -n "$IMGKEYSECRET" ]; then
 150         object_options="--object secret,id=keysec0,data=$IMGKEYSECRET"
 151         optstr=$(_optstr_add "$optstr" "key-secret=keysec0")
 152     fi
 153
 154     if [ "$1" = "-b" ]; then
 155         use_backing=1
 156         backing_file=$2
 157         image_size=$3
 158     fi
 159     if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" ]; then
 160         optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE")
 161     fi
 162
 163     if [ -n "$optstr" ]; then
 164         extra_img_options="-o $optstr $extra_img_options"
 165     fi
 166
 167     # XXX(hch): have global image options?
 168     (
 169      if [ $use_backing = 1 ]; then
 170         $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options -b "$backing_file" "$img_name" $image_size 2>&1
 171      else
 172         $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options "$img_name" $image_size 2>&1
 173      fi
 174     ) | _filter_img_create
 175
 176     # Start an NBD server on the image file, which is what we'll be talking to
 177     if [ $IMGPROTO = "nbd" ]; then
 178         # Pass a sufficiently high number to -e that should be enough for all
 179         # tests
 180         eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT -e 42  $TEST_IMG_FILE >/dev/null &"
 181         sleep 1 # FIXME: qemu-nbd needs to be listening before we continue
 182     fi
 183
 184     # Start QNIO server on image directory for vxhs protocol
 185     if [ $IMGPROTO = "vxhs" ]; then
 186         eval "$QEMU_VXHS -d  $TEST_DIR > /dev/null &"
 187         sleep 1 # Wait for server to come up.
 188     fi
 189 }
 190
 191 _rm_test_img()
 192 {
 193     local img=$1
 194     if [ "$IMGFMT" = "vmdk" ]; then
 195         # Remove all the extents for vmdk
 196         "$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 -d: \
 197             | xargs -I {} rm -f "{}"
 198     fi
 199     rm -f "$img"
 200 }
 201
 202 _cleanup_test_img()
 203 {
 204     case "$IMGPROTO" in
 205
 206         nbd)
 207             if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then
 208                 local QEMU_NBD_PID
 209                 read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid"
 210                 kill ${QEMU_NBD_PID}
 211                 rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid"
 212             fi
 213             rm -f "$TEST_IMG_FILE"
 214             ;;
 215         vxhs)
 216             if [ -f "${TEST_DIR}/qemu-vxhs.pid" ]; then
 217                 local QEMU_VXHS_PID
 218                 read QEMU_VXHS_PID < "${TEST_DIR}/qemu-vxhs.pid"
 219                 kill ${QEMU_VXHS_PID} >/dev/null 2>&1
 220                 rm -f "${TEST_DIR}/qemu-vxhs.pid"
 221             fi
 222             rm -f "$TEST_IMG_FILE"
 223             ;;
 224
 225         file)
 226             _rm_test_img "$TEST_DIR/t.$IMGFMT"
 227             _rm_test_img "$TEST_DIR/t.$IMGFMT.orig"
 228             _rm_test_img "$TEST_DIR/t.$IMGFMT.base"
 229             if [ -n "$SAMPLE_IMG_FILE" ]
 230             then
 231                 rm -f "$TEST_DIR/$SAMPLE_IMG_FILE"
 232                 SAMPLE_IMG_FILE=
 233                 TEST_IMG="$ORIG_TEST_IMG"
 234             fi
 235             ;;
 236
 237         rbd)
 238             rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null
 239             ;;
 240
 241         sheepdog)
 242             collie vdi delete "$TEST_DIR/t.$IMGFMT"
 243             ;;
 244
 245     esac
 246 }
 247
 248 _check_test_img()
 249 {
 250     (
 251         if [ "$IMGOPTSSYNTAX" = "true" ]; then
 252             $QEMU_IMG check $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1
 253         else
 254             $QEMU_IMG check "$@" -f $IMGFMT "$TEST_IMG" 2>&1
 255         fi
 256     ) | _filter_testdir | _filter_qemu_img_check
 257 }
 258
 259 _img_info()
 260 {
 261     if [[ "$1" == "--format-specific" ]]; then
 262         local format_specific=1
 263         shift
 264     else
 265         local format_specific=0
 266     fi
 267
 268     discard=0
 269     regex_json_spec_start='^ *"format-specific": \{'
 270     $QEMU_IMG info "$@" "$TEST_IMG" 2>&1 | \
 271         sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
 272             -e "s#$TEST_DIR#TEST_DIR#g" \
 273             -e "s#$IMGFMT#IMGFMT#g" \
 274             -e "/^disk size:/ D" \
 275             -e "/actual-size/ D" | \
 276         while IFS='' read line; do
 277             if [[ $format_specific == 1 ]]; then
 278                 discard=0
 279             elif [[ $line == "Format specific information:" ]]; then
 280                 discard=1
 281             elif [[ $line =~ $regex_json_spec_start ]]; then
 282                 discard=2
 283                 regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
 284             fi
 285             if [[ $discard == 0 ]]; then
 286                 echo "$line"
 287             elif [[ $discard == 1 && ! $line ]]; then
 288                 echo
 289                 discard=0
 290             elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
 291                 discard=0
 292             fi
 293         done
 294 }
 295
 296 _get_pids_by_name()
 297 {
 298     if [ $# -ne 1 ]
 299     then
 300         echo "Usage: _get_pids_by_name process-name" 1>&2
 301         exit 1
 302     fi
 303
 304     # Algorithm ... all ps(1) variants have a time of the form MM:SS or
 305     # HH:MM:SS before the psargs field, use this as the search anchor.
 306     #
 307     # Matches with $1 (process-name) occur if the first psarg is $1
 308     # or ends in /$1 ... the matching uses sed's regular expressions,
 309     # so passing a regex into $1 will work.
 310
 311     ps $PS_ALL_FLAGS \
 312     | sed -n \
 313         -e 's/$/ /' \
 314         -e 's/[         ][         ]*/ /g' \
 315         -e 's/^ //' \
 316         -e 's/^[^ ]* //' \
 317         -e "/[0-9]:[0-9][0-9]  *[^ ]*\/$1 /s/ .*//p" \
 318         -e "/[0-9]:[0-9][0-9]  *$1 /s/ .*//p"
 319 }
 320
 321 # fqdn for localhost
 322 #
 323 _get_fqdn()
 324 {
 325     host=`hostname`
 326     $NSLOOKUP_PROG $host | $AWK_PROG '{ if ($1 == "Name:") print $2 }'
 327 }
 328
 329 # check if run as root
 330 #
 331 _need_to_be_root()
 332 {
 333     id=`id | $SED_PROG -e 's/(.*//' -e 's/.*=//'`
 334     if [ "$id" -ne 0 ]
 335     then
 336         echo "Arrgh ... you need to be root (not uid=$id) to run this test"
 337         exit 1
 338     fi
 339 }
 340
 341 # bail out, setting up .notrun file
 342 #
 343 _notrun()
 344 {
 345     echo "$*" >"$OUTPUT_DIR/$seq.notrun"
 346     echo "$seq not run: $*"
 347     status=0
 348     exit
 349 }
 350
 351 # just plain bail out
 352 #
 353 _fail()
 354 {
 355     echo "$*" | tee -a "$OUTPUT_DIR/$seq.full"
 356     echo "(see $seq.full for details)"
 357     status=1
 358     exit 1
 359 }
 360
 361 # tests whether $IMGFMT is one of the supported image formats for a test
 362 #
 363 _supported_fmt()
 364 {
 365     # "generic" is suitable for most image formats. For some formats it doesn't
 366     # work, however (most notably read-only formats), so they can opt out by
 367     # setting IMGFMT_GENERIC to false.
 368     for f; do
 369         if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then
 370             return
 371         fi
 372     done
 373
 374     _notrun "not suitable for this image format: $IMGFMT"
 375 }
 376
 377 # tests whether $IMGFMT is one of the unsupported image format for a test
 378 #
 379 _unsupported_fmt()
 380 {
 381     for f; do
 382         if [ "$f" = "$IMGFMT" ]; then
 383             _notrun "not suitable for this image format: $IMGFMT"
 384         fi
 385     done
 386 }
 387
 388 # tests whether $IMGPROTO is one of the supported image protocols for a test
 389 #
 390 _supported_proto()
 391 {
 392     for f; do
 393         if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then
 394             return
 395         fi
 396     done
 397
 398     _notrun "not suitable for this image protocol: $IMGPROTO"
 399 }
 400
 401 # tests whether $IMGPROTO is specified as an unsupported image protocol for a test
 402 #
 403 _unsupported_proto()
 404 {
 405     for f; do
 406         if [ "$f" = "$IMGPROTO" ]; then
 407             _notrun "not suitable for this image protocol: $IMGPROTO"
 408             return
 409         fi
 410     done
 411 }
 412
 413 # tests whether the host OS is one of the supported OSes for a test
 414 #
 415 _supported_os()
 416 {
 417     for h
 418     do
 419         if [ "$h" = "$HOSTOS" ]
 420         then
 421             return
 422         fi
 423     done
 424
 425     _notrun "not suitable for this OS: $HOSTOS"
 426 }
 427
 428 _supported_cache_modes()
 429 {
 430     for mode; do
 431         if [ "$mode" = "$CACHEMODE" ]; then
 432             return
 433         fi
 434     done
 435     _notrun "not suitable for cache mode: $CACHEMODE"
 436 }
 437
 438 _default_cache_mode()
 439 {
 440     if $CACHEMODE_IS_DEFAULT; then
 441         CACHEMODE="$1"
 442         QEMU_IO="$QEMU_IO --cache $1"
 443         return
 444     fi
 445 }
 446
 447 _unsupported_imgopts()
 448 {
 449     for bad_opt
 450     do
 451         if echo "$IMGOPTS" | grep -q 2>/dev/null "$bad_opt"
 452         then
 453             _notrun "not suitable for image option: $bad_opt"
 454         fi
 455     done
 456 }
 457
 458 # this test requires that a specified command (executable) exists
 459 #
 460 _require_command()
 461 {
 462     if [ "$1" = "QEMU" ]; then
 463         c=$QEMU_PROG
 464     elif [ "$1" = "QEMU_IMG" ]; then
 465         c=$QEMU_IMG_PROG
 466     elif [ "$1" = "QEMU_IO" ]; then
 467         c=$QEMU_IO_PROG
 468     elif [ "$1" = "QEMU_NBD" ]; then
 469         c=$QEMU_NBD_PROG
 470     else
 471         eval c=\$$1
 472     fi
 473     [ -x "$c" ] || _notrun "$1 utility required, skipped this test"
 474 }
 475
 476 _full_imgfmt_details()
 477 {
 478     if [ -n "$IMGOPTS" ]; then
 479         echo "$IMGFMT ($IMGOPTS)"
 480     else
 481         echo "$IMGFMT"
 482     fi
 483 }
 484
 485 _full_imgproto_details()
 486 {
 487     echo "$IMGPROTO"
 488 }
 489
 490 _full_platform_details()
 491 {
 492     os=`uname -s`
 493     host=`hostname -s`
 494     kernel=`uname -r`
 495     platform=`uname -m`
 496     echo "$os/$platform $host $kernel"
 497 }
 498
 499 _link_out_file()
 500 {
 501    if [ -z "$1" ]; then
 502       echo Error must pass \$seq.
 503       exit
 504    fi
 505    rm -f $1
 506    if [ "`uname`" == "IRIX64" ] || [ "`uname`" == "IRIX" ]; then
 507       ln -s $1.irix $1
 508    elif [ "`uname`" == "Linux" ]; then
 509       ln -s $1.linux $1
 510    else
 511       echo Error test $seq does not run on the operating system: `uname`
 512       exit
 513    fi
 514 }
 515
 516 _die()
 517 {
 518         echo $@
 519         exit 1
 520 }
 521
 522 # make sure this script returns success
 523 true