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