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`
  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 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  48 set_prog_path()
  49 {
  50     p=`which $1 2> /dev/null`
  51     if [ -n "$p" -a -x "$p" ]; then
  52         echo $p
  53         return 0
  54     fi
  55     p=$1
  56
  57     shift
  58     for f; do
  59         if [ -x $f ]; then
  60             echo $f
  61             return 0
  62         fi
  63     done
  64
  65     echo ""
  66     return 1
  67 }
  68
  69 _fatal()
  70 {
  71     echo "$*"
  72     status=1
  73     exit 1
  74 }
  75
  76 export PERL_PROG="`set_prog_path perl`"
  77 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
  78
  79 export AWK_PROG="`set_prog_path awk`"
  80 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
  81
  82 export SED_PROG="`set_prog_path sed`"
  83 [ "$SED_PROG" = "" ] && _fatal "sed not found"
  84
  85 export BC_PROG="`set_prog_path bc`"
  86 [ "$BC_PROG" = "" ] && _fatal "bc not found"
  87
  88 export PS_ALL_FLAGS="-ef"
  89
  90 export QEMU_PROG="`set_prog_path qemu`"
  91 [ "$QEMU_PROG" = "" ] && _fatal "qemu not found"
  92
  93 export QEMU_IMG_PROG="`set_prog_path qemu-img`"
  94 [ "$QEMU_IMG_PROG" = "" ] && _fatal "qemu-img not found"
  95
  96 export QEMU_IO_PROG="`set_prog_path qemu-io`"
  97 [ "$QEMU_IO_PROG" = "" ] && _fatal "qemu-io not found"
  98
  99 export QEMU=$QEMU_PROG
 100 export QEMU_IMG=$QEMU_IMG_PROG
 101 export QEMU_IO="$QEMU_IO_PROG $QEMU_IO_OPTIONS"
 102
 103 [ -f /etc/qemu-iotest.config ]       && . /etc/qemu-iotest.config
 104
 105 if [ ! -e "$TEST_DIR" ]; then
 106     TEST_DIR=`pwd`/scratch
 107 fi
 108
 109 if [ ! -d "$TEST_DIR" ]; then
 110     echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 111     exit 1
 112 fi
 113
 114 _readlink()
 115 {
 116     if [ $# -ne 1 ]; then
 117         echo "Usage: _readlink filename" 1>&2
 118         exit 1
 119     fi
 120
 121     perl -e "\$in=\"$1\";" -e '
 122     $lnk = readlink($in);
 123     if ($lnk =~ m!^/.*!) {
 124         print "$lnk\n";
 125     }
 126     else {
 127         chomp($dir = `dirname $in`);
 128         print "$dir/$lnk\n";
 129     }'
 130 }
 131
 132 # make sure this script returns success
 133 /bin/true