A user may specify a relative path for accessing qemu, qemu-img, etc. through environment variables ($QEMU_PROG and friends) or a symlink. If a test decides to change its working directory, relative paths will cease to work, however. Work around this by making all of the paths to programs that should undergo testing absolute. Besides "realpath", we also have to use "type -p" to support programs in $PATH. As a side effect, this fixes specifying these programs as symlinks for out-of-tree builds: Before, you would have to create two symlinks, one in the build and one in the source tree (the first one for common.config to find, the second one for the iotest to use). Now it is sufficient to create one in the build tree because common.config will resolve it. Reported-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20170702150510.23276-2-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
233 lines
5.8 KiB
Bash
233 lines
5.8 KiB
Bash
#!/bin/bash
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#
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# Copyright (C) 2009 Red Hat, Inc.
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# Copyright (c) 2000-2003,2006 Silicon Graphics, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# setup and check for config parameters, and in particular
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#
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# EMAIL - email of the script runner.
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# TEST_DIR - scratch test directory
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#
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# - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
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# below or a separate local configuration file can be used (using
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# the HOST_OPTIONS variable).
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# - This script is shared by the stress test system and the auto-qa
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# system (includes both regression test and benchmark components).
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# - this script shouldn't make any assertions about filesystem
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# validity or mountedness.
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#
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# all tests should use a common language setting to prevent golden
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# output mismatches.
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export LANG=C
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PATH=".:$PATH"
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HOST=`hostname -s 2> /dev/null`
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HOSTOS=`uname -s`
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EMAIL=root@localhost # where auto-qa will send its status messages
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export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
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export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
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export PWD=`pwd`
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export _QEMU_HANDLE=0
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# $1 = prog to look for, $2* = default pathnames if not found in $PATH
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set_prog_path()
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{
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p=`command -v $1 2> /dev/null`
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if [ -n "$p" -a -x "$p" ]; then
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echo $p
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return 0
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fi
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p=$1
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shift
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for f; do
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if [ -x $f ]; then
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echo $f
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return 0
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fi
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done
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echo ""
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return 1
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}
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_fatal()
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{
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echo "$*"
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status=1
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exit 1
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}
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export AWK_PROG="`set_prog_path awk`"
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[ "$AWK_PROG" = "" ] && _fatal "awk not found"
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export SED_PROG="`set_prog_path sed`"
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[ "$SED_PROG" = "" ] && _fatal "sed not found"
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export PS_ALL_FLAGS="-ef"
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if [ -z "$QEMU_PROG" ]; then
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export QEMU_PROG="`set_prog_path qemu`"
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fi
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if [ -z "$QEMU_IMG_PROG" ]; then
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export QEMU_IMG_PROG="`set_prog_path qemu-img`"
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fi
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if [ -z "$QEMU_IO_PROG" ]; then
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export QEMU_IO_PROG="`set_prog_path qemu-io`"
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fi
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if [ -z "$QEMU_NBD_PROG" ]; then
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export QEMU_NBD_PROG="`set_prog_path qemu-nbd`"
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fi
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if [ -z "$QEMU_VXHS_PROG" ]; then
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export QEMU_VXHS_PROG="`set_prog_path qnio_server`"
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fi
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export QEMU_PROG=$(realpath -- "$(type -p "$QEMU_PROG")")
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export QEMU_IMG_PROG=$(realpath -- "$(type -p "$QEMU_IMG_PROG")")
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export QEMU_IO_PROG=$(realpath -- "$(type -p "$QEMU_IO_PROG")")
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export QEMU_NBD_PROG=$(realpath -- "$(type -p "$QEMU_NBD_PROG")")
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# This program is not built as part of qemu but (possibly) provided by the
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# system, so it may not be present at all
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if [ -n "$QEMU_VXHS_PROG" ]; then
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export QEMU_VXHS_PROG=$(realpath -- "$(type -p "$QEMU_VXHS_PROG")")
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fi
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_qemu_wrapper()
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{
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(
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if [ -n "${QEMU_NEED_PID}" ]; then
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echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
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fi
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exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
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)
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}
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_qemu_img_wrapper()
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{
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(exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
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}
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_qemu_io_wrapper()
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{
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local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
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local QEMU_IO_ARGS="$QEMU_IO_OPTIONS"
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if [ "$IMGOPTSSYNTAX" = "true" ]; then
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QEMU_IO_ARGS="--image-opts $QEMU_IO_ARGS"
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if [ -n "$IMGKEYSECRET" ]; then
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QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS"
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fi
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fi
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local RETVAL
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(
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if [ "${VALGRIND_QEMU}" == "y" ]; then
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exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
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else
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exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
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fi
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)
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RETVAL=$?
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if [ "${VALGRIND_QEMU}" == "y" ]; then
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if [ $RETVAL == 99 ]; then
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cat "${VALGRIND_LOGFILE}"
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fi
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rm -f "${VALGRIND_LOGFILE}"
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fi
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(exit $RETVAL)
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}
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_qemu_nbd_wrapper()
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{
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(
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echo $BASHPID > "${QEMU_TEST_DIR}/qemu-nbd.pid"
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exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
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)
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}
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_qemu_vxhs_wrapper()
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{
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(
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echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid"
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exec "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
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)
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}
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export QEMU=_qemu_wrapper
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export QEMU_IMG=_qemu_img_wrapper
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export QEMU_IO=_qemu_io_wrapper
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export QEMU_NBD=_qemu_nbd_wrapper
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export QEMU_VXHS=_qemu_vxhs_wrapper
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QEMU_IMG_EXTRA_ARGS=
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if [ "$IMGOPTSSYNTAX" = "true" ]; then
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QEMU_IMG_EXTRA_ARGS="--image-opts $QEMU_IMG_EXTRA_ARGS"
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if [ -n "$IMGKEYSECRET" ]; then
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QEMU_IMG_EXTRA_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IMG_EXTRA_ARGS"
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fi
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fi
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export QEMU_IMG_EXTRA_ARGS
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default_machine=$($QEMU -machine help | sed -n '/(default)/ s/ .*//p')
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default_alias_machine=$($QEMU -machine help | \
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sed -n "/(alias of $default_machine)/ { s/ .*//p; q; }")
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if [[ "$default_alias_machine" ]]; then
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default_machine="$default_alias_machine"
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fi
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export QEMU_DEFAULT_MACHINE="$default_machine"
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[ -f /etc/qemu-iotest.config ] && . /etc/qemu-iotest.config
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if [ -z "$TEST_DIR" ]; then
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TEST_DIR=`pwd`/scratch
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fi
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QEMU_TEST_DIR="${TEST_DIR}"
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if [ ! -e "$TEST_DIR" ]; then
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mkdir "$TEST_DIR"
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fi
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if [ ! -d "$TEST_DIR" ]; then
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echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
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exit 1
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fi
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export TEST_DIR
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if [ -z "$SAMPLE_IMG_DIR" ]; then
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SAMPLE_IMG_DIR="$source_iotests/sample_images"
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fi
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if [ ! -d "$SAMPLE_IMG_DIR" ]; then
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echo "common.config: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory"
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exit 1
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fi
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export SAMPLE_IMG_DIR
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# make sure this script returns success
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true
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