common.config

   1 #!/bin/sh
   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, write the Free Software Foundation,
  17 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18 #
  19 #
  20 # setup and check for config parameters, and in particular
  21 #
  22 # EMAIL -           email of the script runner.
  23 # TEST_DIR -        scratch test directory
  24 #
  25 # - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
  26 #   below or a separate local configuration file can be used (using
  27 #   the HOST_OPTIONS variable).
  28 # - This script is shared by the stress test system and the auto-qa
  29 #   system (includes both regression test and benchmark components).
  30 # - this script shouldn't make any assertions about filesystem
  31 #   validity or mountedness.
  32 #
  33
  34 # all tests should use a common language setting to prevent golden
  35 # output mismatches.
  36 export LANG=C
  37
  38 PATH=".:$PATH"
  39
  40 HOST=`hostname -s`
  41 HOSTOS=`uname -s`
  42
  43 EMAIL=root@localhost    # where auto-qa will send its status messages
  44 export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
  45 export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
  46 export PWD=`pwd`
  47
  48 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  49 set_prog_path()
  50 {
  51     p=`which $1 2> /dev/null`
  52     if [ -n "$p" -a -x "$p" ]; then
  53         echo $p
  54         return 0
  55     fi
  56     p=$1
  57
  58     shift
  59     for f; do
  60         if [ -x $f ]; then
  61             echo $f
  62             return 0
  63         fi
  64     done
  65
  66     echo ""
  67     return 1
  68 }
  69
  70 _fatal()
  71 {
  72     echo "$*"
  73     status=1
  74     exit 1
  75 }
  76
  77 export PERL_PROG="`set_prog_path perl`"
  78 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
  79
  80 export AWK_PROG="`set_prog_path awk`"
  81 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
  82
  83 export SED_PROG="`set_prog_path sed`"
  84 [ "$SED_PROG" = "" ] && _fatal "sed not found"
  85
  86 export BC_PROG="`set_prog_path bc`"
  87 [ "$BC_PROG" = "" ] && _fatal "bc not found"
  88
  89 export PS_ALL_FLAGS="-ef"
  90
  91 export QEMU_PROG="`set_prog_path qemu`"
  92 [ "$QEMU_PROG" = "" ] && _fatal "qemu not found"
  93
  94 export QEMU_IMG_PROG="`set_prog_path qemu-img`"
  95 [ "$QEMU_IMG_PROG" = "" ] && _fatal "qemu-img not found"
  96
  97 export QEMU_IO_PROG="`set_prog_path qemu-io`"
  98 [ "$QEMU_IO_PROG" = "" ] && _fatal "qemu-io not found"
  99
 100 export QEMU=$QEMU_PROG
 101 export QEMU_IMG=$QEMU_IMG_PROG
 102 export QEMU_IO="$QEMU_IO_PROG $QEMU_IO_OPTIONS"
 103
 104 [ -f /etc/qemu-iotest.config ]       && . /etc/qemu-iotest.config
 105
 106 if [ ! -e "$TEST_DIR" ]; then
 107     TEST_DIR=`pwd`/scratch
 108 fi
 109
 110 if [ ! -d "$TEST_DIR" ]; then
 111     echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 112     exit 1
 113 fi
 114
 115 _readlink()
 116 {
 117     if [ $# -ne 1 ]; then
 118         echo "Usage: _readlink filename" 1>&2
 119         exit 1
 120     fi
 121
 122     perl -e "\$in=\"$1\";" -e '
 123     $lnk = readlink($in);
 124     if ($lnk =~ m!^/.*!) {
 125         print "$lnk\n";
 126     }
 127     else {
 128         chomp($dir = `dirname $in`);
 129         print "$dir/$lnk\n";
 130     }'
 131 }
 132
 133 # make sure this script returns success
 134 /bin/true