tests/qemu-iotests/common.config

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2009 Red Hat, Inc.
   4 # Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
   5 #
   6 # This program is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU General Public License as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it would be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #
  19 # setup and check for config parameters, and in particular
  20 #
  21 # EMAIL -           email of the script runner.
  22 # TEST_DIR -        scratch test directory
  23 #
  24 # - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
  25 #   below or a separate local configuration file can be used (using
  26 #   the HOST_OPTIONS variable).
  27 # - This script is shared by the stress test system and the auto-qa
  28 #   system (includes both regression test and benchmark components).
  29 # - this script shouldn't make any assertions about filesystem
  30 #   validity or mountedness.
  31 #
  32
  33 # all tests should use a common language setting to prevent golden
  34 # output mismatches.
  35 export LANG=C
  36
  37 PATH=".:$PATH"
  38
  39 HOST=`hostname -s 2> /dev/null`
  40 HOSTOS=`uname -s`
  41
  42 EMAIL=root@localhost    # where auto-qa will send its status messages
  43 export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
  44 export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
  45 export PWD=`pwd`
  46
  47 export _QEMU_HANDLE=0
  48
  49 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  50 set_prog_path()
  51 {
  52     p=`command -v $1 2> /dev/null`
  53     if [ -n "$p" -a -x "$p" ]; then
  54         echo $p
  55         return 0
  56     fi
  57     p=$1
  58
  59     shift
  60     for f; do
  61         if [ -x $f ]; then
  62             echo $f
  63             return 0
  64         fi
  65     done
  66
  67     echo ""
  68     return 1
  69 }
  70
  71 _fatal()
  72 {
  73     echo "$*"
  74     status=1
  75     exit 1
  76 }
  77
  78 export PERL_PROG="`set_prog_path perl`"
  79 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
  80
  81 export AWK_PROG="`set_prog_path awk`"
  82 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
  83
  84 export SED_PROG="`set_prog_path sed`"
  85 [ "$SED_PROG" = "" ] && _fatal "sed not found"
  86
  87 export BC_PROG="`set_prog_path bc`"
  88 [ "$BC_PROG" = "" ] && _fatal "bc not found"
  89
  90 export PS_ALL_FLAGS="-ef"
  91
  92 if [ -z "$QEMU_PROG" ]; then
  93     export QEMU_PROG="`set_prog_path qemu`"
  94 fi
  95
  96 if [ -z "$QEMU_IMG_PROG" ]; then
  97     export QEMU_IMG_PROG="`set_prog_path qemu-img`"
  98 fi
  99
 100 if [ -z "$QEMU_IO_PROG" ]; then
 101     export QEMU_IO_PROG="`set_prog_path qemu-io`"
 102 fi
 103
 104 if [ -z "$QEMU_NBD_PROG" ]; then
 105     export QEMU_NBD_PROG="`set_prog_path qemu-nbd`"
 106 fi
 107
 108 _qemu_wrapper()
 109 {
 110     (
 111         if [ -n "${QEMU_NEED_PID}" ]; then
 112             echo $BASHPID > "${TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
 113         fi
 114         exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
 115     )
 116 }
 117
 118 _qemu_img_wrapper()
 119 {
 120     (exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
 121 }
 122
 123 _qemu_io_wrapper()
 124 {
 125     local VALGRIND_LOGFILE=/tmp/$$.valgrind
 126     local RETVAL
 127     (
 128         if [ "${VALGRIND_QEMU}" == "y" ]; then
 129             exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@"
 130         else
 131             exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@"
 132         fi
 133     )
 134     RETVAL=$?
 135     if [ "${VALGRIND_QEMU}" == "y" ]; then
 136         if [ $RETVAL == 99 ]; then
 137             cat "${VALGRIND_LOGFILE}"
 138         fi
 139         rm -f "${VALGRIND_LOGFILE}"
 140     fi
 141     (exit $RETVAL)
 142 }
 143
 144 _qemu_nbd_wrapper()
 145 {
 146     (
 147         echo $BASHPID > "${TEST_DIR}/qemu-nbd.pid"
 148         exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
 149     )
 150 }
 151
 152 export QEMU=_qemu_wrapper
 153 export QEMU_IMG=_qemu_img_wrapper
 154 export QEMU_IO=_qemu_io_wrapper
 155 export QEMU_NBD=_qemu_nbd_wrapper
 156
 157 default_machine=$($QEMU -machine \? | awk '/(default)/{print $1}')
 158 default_alias_machine=$($QEMU -machine \? |\
 159     awk -v var_default_machine="$default_machine"\)\
 160     '{if ($(NF-2)=="(alias"&&$(NF-1)=="of"&&$(NF)==var_default_machine){print $1}}')
 161 if [ ! -z "$default_alias_machine" ]; then
 162     default_machine="$default_alias_machine"
 163 fi
 164
 165 export QEMU_DEFAULT_MACHINE="$default_machine"
 166
 167 [ -f /etc/qemu-iotest.config ]       && . /etc/qemu-iotest.config
 168
 169 if [ -z "$TEST_DIR" ]; then
 170         TEST_DIR=`pwd`/scratch
 171 fi
 172
 173 if [ ! -e "$TEST_DIR" ]; then
 174         mkdir "$TEST_DIR"
 175 fi
 176
 177 if [ ! -d "$TEST_DIR" ]; then
 178     echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 179     exit 1
 180 fi
 181
 182 export TEST_DIR
 183
 184 if [ -z "$SAMPLE_IMG_DIR" ]; then
 185         SAMPLE_IMG_DIR="$source_iotests/sample_images"
 186 fi
 187
 188 if [ ! -d "$SAMPLE_IMG_DIR" ]; then
 189     echo "common.config: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory"
 190     exit 1
 191 fi
 192
 193 export SAMPLE_IMG_DIR
 194
 195 _readlink()
 196 {
 197     if [ $# -ne 1 ]; then
 198         echo "Usage: _readlink filename" 1>&2
 199         exit 1
 200     fi
 201
 202     perl -e "\$in=\"$1\";" -e '
 203     $lnk = readlink($in);
 204     if ($lnk =~ m!^/.*!) {
 205         print "$lnk\n";
 206     }
 207     else {
 208         chomp($dir = `dirname $in`);
 209         print "$dir/$lnk\n";
 210     }'
 211 }
 212
 213 # make sure this script returns success
 214 true