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qemu/tests/qemu-iotests/common.rc

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#!/bin/bash
#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
dd()
{
if [ "$HOSTOS" == "Linux" ]
then
command dd --help | grep noxfer > /dev/null 2>&1
if [ "$?" -eq 0 ]
then
command dd status=noxfer $@
else
command dd $@
fi
else
command dd $@
fi
}
# poke_file 'test.img' 512 '\xff\xfe'
poke_file()
{
printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null
}
if ! . ./common.config
then
echo "$0: failed to source common.config"
exit 1
fi
_qemu_wrapper()
{
(
if [ -n "${QEMU_NEED_PID}" ]; then
echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
fi
exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
)
}
_qemu_img_wrapper()
{
(exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
}
_qemu_io_wrapper()
{
local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
local QEMU_IO_ARGS="$QEMU_IO_OPTIONS"
if [ "$IMGOPTSSYNTAX" = "true" ]; then
QEMU_IO_ARGS="--image-opts $QEMU_IO_ARGS"
if [ -n "$IMGKEYSECRET" ]; then
QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS"
fi
fi
local RETVAL
(
if [ "${VALGRIND_QEMU}" == "y" ]; then
exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
else
exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
fi
)
RETVAL=$?
if [ "${VALGRIND_QEMU}" == "y" ]; then
if [ $RETVAL == 99 ]; then
cat "${VALGRIND_LOGFILE}"
fi
rm -f "${VALGRIND_LOGFILE}"
fi
(exit $RETVAL)
}
_qemu_nbd_wrapper()
{
(
echo $BASHPID > "${QEMU_TEST_DIR}/qemu-nbd.pid"
exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
)
}
_qemu_vxhs_wrapper()
{
(
echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid"
exec "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
)
}
export QEMU=_qemu_wrapper
export QEMU_IMG=_qemu_img_wrapper
export QEMU_IO=_qemu_io_wrapper
export QEMU_NBD=_qemu_nbd_wrapper
export QEMU_VXHS=_qemu_vxhs_wrapper
if [ "$IMGOPTSSYNTAX" = "true" ]; then
DRIVER="driver=$IMGFMT"
QEMU_IMG_EXTRA_ARGS="--image-opts $QEMU_IMG_EXTRA_ARGS"
if [ -n "$IMGKEYSECRET" ]; then
QEMU_IMG_EXTRA_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IMG_EXTRA_ARGS"
fi
if [ "$IMGFMT" = "luks" ]; then
DRIVER="$DRIVER,key-secret=keysec0"
fi
if [ "$IMGPROTO" = "file" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="$DRIVER,file.filename=$TEST_DIR/t.$IMGFMT"
elif [ "$IMGPROTO" = "nbd" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="$DRIVER,file.driver=nbd,file.host=127.0.0.1,file.port=10810"
elif [ "$IMGPROTO" = "ssh" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="$DRIVER,file.driver=ssh,file.host=127.0.0.1,file.path=$TEST_IMG_FILE"
elif [ "$IMGPROTO" = "nfs" ]; then
TEST_DIR="$DRIVER,file.driver=nfs,file.filename=nfs://127.0.0.1/$TEST_DIR"
TEST_IMG=$TEST_DIR/t.$IMGFMT
else
TEST_IMG="$DRIVER,file.driver=$IMGPROTO,file.filename=$TEST_DIR/t.$IMGFMT"
fi
else
QEMU_IMG_EXTRA_ARGS=
if [ "$IMGPROTO" = "file" ]; then
TEST_IMG=$TEST_DIR/t.$IMGFMT
elif [ "$IMGPROTO" = "nbd" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="nbd:127.0.0.1:10810"
elif [ "$IMGPROTO" = "ssh" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE"
elif [ "$IMGPROTO" = "nfs" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
REMOTE_TEST_DIR="nfs://127.0.0.1$TEST_DIR"
TEST_IMG="nfs://127.0.0.1$TEST_IMG_FILE"
elif [ "$IMGPROTO" = "vxhs" ]; then
TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
TEST_IMG="vxhs://127.0.0.1:9999/t.$IMGFMT"
else
TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT
fi
fi
ORIG_TEST_IMG="$TEST_IMG"
if [ -z "$TEST_DIR" ]; then
TEST_DIR=$PWD/scratch
fi
QEMU_TEST_DIR="${TEST_DIR}"
if [ ! -e "$TEST_DIR" ]; then
mkdir "$TEST_DIR"
fi
if [ ! -d "$TEST_DIR" ]; then
echo "common.rc: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
exit 1
fi
if [ -z "$REMOTE_TEST_DIR" ]; then
REMOTE_TEST_DIR="$TEST_DIR"
fi
if [ ! -d "$SAMPLE_IMG_DIR" ]; then
echo "common.rc: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory"
exit 1
fi
_use_sample_img()
{
SAMPLE_IMG_FILE="${1%\.bz2}"
TEST_IMG="$TEST_DIR/$SAMPLE_IMG_FILE"
bzcat "$SAMPLE_IMG_DIR/$1" > "$TEST_IMG"
if [ $? -ne 0 ]
then
echo "_use_sample_img error, cannot extract '$SAMPLE_IMG_DIR/$1'"
exit 1
fi
}
_stop_nbd_server()
{
if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then
local QEMU_NBD_PID
read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid"
kill ${QEMU_NBD_PID}
rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid"
fi
}
_make_test_img()
{
# extra qemu-img options can be added by tests
# at least one argument (the image size) needs to be added
local extra_img_options=""
local image_size=$*
local optstr=""
local img_name=""
local use_backing=0
local backing_file=""
local object_options=""
if [ -n "$TEST_IMG_FILE" ]; then
img_name=$TEST_IMG_FILE
else
img_name=$TEST_IMG
fi
if [ -n "$IMGOPTS" ]; then
optstr=$(_optstr_add "$optstr" "$IMGOPTS")
fi
if [ -n "$IMGKEYSECRET" ]; then
object_options="--object secret,id=keysec0,data=$IMGKEYSECRET"
optstr=$(_optstr_add "$optstr" "key-secret=keysec0")
fi
if [ "$1" = "-b" ]; then
use_backing=1
backing_file=$2
image_size=$3
fi
if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" ]; then
optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE")
fi
if [ -n "$optstr" ]; then
extra_img_options="-o $optstr $extra_img_options"
fi
if [ $IMGPROTO = "nbd" ]; then
_stop_nbd_server
fi
# XXX(hch): have global image options?
(
if [ $use_backing = 1 ]; then
$QEMU_IMG create $object_options -f $IMGFMT $extra_img_options -b "$backing_file" "$img_name" $image_size 2>&1
else
$QEMU_IMG create $object_options -f $IMGFMT $extra_img_options "$img_name" $image_size 2>&1
fi
) | _filter_img_create
# Start an NBD server on the image file, which is what we'll be talking to
if [ $IMGPROTO = "nbd" ]; then
# Pass a sufficiently high number to -e that should be enough for all
# tests
eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT -e 42 -x '' $TEST_IMG_FILE >/dev/null &"
sleep 1 # FIXME: qemu-nbd needs to be listening before we continue
fi
# Start QNIO server on image directory for vxhs protocol
if [ $IMGPROTO = "vxhs" ]; then
eval "$QEMU_VXHS -d $TEST_DIR > /dev/null &"
sleep 1 # Wait for server to come up.
fi
}
_rm_test_img()
{
local img=$1
if [ "$IMGFMT" = "vmdk" ]; then
# Remove all the extents for vmdk
"$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 -d: \
| xargs -I {} rm -f "{}"
fi
rm -f "$img"
}
_cleanup_test_img()
{
case "$IMGPROTO" in
nbd)
_stop_nbd_server
rm -f "$TEST_IMG_FILE"
;;
vxhs)
if [ -f "${TEST_DIR}/qemu-vxhs.pid" ]; then
local QEMU_VXHS_PID
read QEMU_VXHS_PID < "${TEST_DIR}/qemu-vxhs.pid"
kill ${QEMU_VXHS_PID} >/dev/null 2>&1
rm -f "${TEST_DIR}/qemu-vxhs.pid"
fi
rm -f "$TEST_IMG_FILE"
;;
file)
_rm_test_img "$TEST_DIR/t.$IMGFMT"
_rm_test_img "$TEST_DIR/t.$IMGFMT.orig"
_rm_test_img "$TEST_DIR/t.$IMGFMT.base"
if [ -n "$SAMPLE_IMG_FILE" ]
then
rm -f "$TEST_DIR/$SAMPLE_IMG_FILE"
SAMPLE_IMG_FILE=
TEST_IMG="$ORIG_TEST_IMG"
fi
;;
rbd)
rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null
;;
sheepdog)
collie vdi delete "$TEST_DIR/t.$IMGFMT"
;;
esac
}
_check_test_img()
{
(
if [ "$IMGOPTSSYNTAX" = "true" ]; then
$QEMU_IMG check $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1
else
$QEMU_IMG check "$@" -f $IMGFMT "$TEST_IMG" 2>&1
fi
) | _filter_testdir | _filter_qemu_img_check
}
_img_info()
{
if [[ "$1" == "--format-specific" ]]; then
local format_specific=1
shift
else
local format_specific=0
fi
discard=0
regex_json_spec_start='^ *"format-specific": \{'
$QEMU_IMG info $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1 | \
sed -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \
-e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
-e "s#$TEST_DIR#TEST_DIR#g" \
-e "s#$IMGFMT#IMGFMT#g" \
-e "/^disk size:/ D" \
-e "/actual-size/ D" | \
while IFS='' read -r line; do
if [[ $format_specific == 1 ]]; then
discard=0
elif [[ $line == "Format specific information:" ]]; then
discard=1
elif [[ $line =~ $regex_json_spec_start ]]; then
discard=2
regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
fi
if [[ $discard == 0 ]]; then
echo "$line"
elif [[ $discard == 1 && ! $line ]]; then
echo
discard=0
elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
discard=0
fi
done
}
# bail out, setting up .notrun file
#
_notrun()
{
echo "$*" >"$OUTPUT_DIR/$seq.notrun"
echo "$seq not run: $*"
status=0
exit
}
# just plain bail out
#
_fail()
{
echo "$*" | tee -a "$OUTPUT_DIR/$seq.full"
echo "(see $seq.full for details)"
status=1
exit 1
}
# tests whether $IMGFMT is one of the supported image formats for a test
#
_supported_fmt()
{
# "generic" is suitable for most image formats. For some formats it doesn't
# work, however (most notably read-only formats), so they can opt out by
# setting IMGFMT_GENERIC to false.
for f; do
if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then
return
fi
done
_notrun "not suitable for this image format: $IMGFMT"
}
# tests whether $IMGFMT is one of the unsupported image format for a test
#
_unsupported_fmt()
{
for f; do
if [ "$f" = "$IMGFMT" ]; then
_notrun "not suitable for this image format: $IMGFMT"
fi
done
}
# tests whether $IMGPROTO is one of the supported image protocols for a test
#
_supported_proto()
{
for f; do
if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then
return
fi
done
_notrun "not suitable for this image protocol: $IMGPROTO"
}
# tests whether $IMGPROTO is specified as an unsupported image protocol for a test
#
_unsupported_proto()
{
for f; do
if [ "$f" = "$IMGPROTO" ]; then
_notrun "not suitable for this image protocol: $IMGPROTO"
return
fi
done
}
# tests whether the host OS is one of the supported OSes for a test
#
_supported_os()
{
for h
do
if [ "$h" = "$HOSTOS" ]
then
return
fi
done
_notrun "not suitable for this OS: $HOSTOS"
}
_supported_cache_modes()
{
for mode; do
if [ "$mode" = "$CACHEMODE" ]; then
return
fi
done
_notrun "not suitable for cache mode: $CACHEMODE"
}
_default_cache_mode()
{
if $CACHEMODE_IS_DEFAULT; then
CACHEMODE="$1"
QEMU_IO="$QEMU_IO --cache $1"
return
fi
}
_unsupported_imgopts()
{
for bad_opt
do
if echo "$IMGOPTS" | grep -q 2>/dev/null "$bad_opt"
then
_notrun "not suitable for image option: $bad_opt"
fi
done
}
# this test requires that a specified command (executable) exists
#
_require_command()
{
if [ "$1" = "QEMU" ]; then
c=$QEMU_PROG
elif [ "$1" = "QEMU_IMG" ]; then
c=$QEMU_IMG_PROG
elif [ "$1" = "QEMU_IO" ]; then
c=$QEMU_IO_PROG
elif [ "$1" = "QEMU_NBD" ]; then
c=$QEMU_NBD_PROG
else
eval c=\$$1
fi
[ -x "$c" ] || _notrun "$1 utility required, skipped this test"
}
# make sure this script returns success
true
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