#!/bin/sh

# 
#  Installation script
#
#  Usage: Install erl-root-dir [release-vsn [rel-file [node-name]]] 

## Edit these if needed
ERTS_VSN=5.0.1
DEFAULT_RELEASE_VSN=evas_rad-1.0
DEFAULT_NODE_NAME=evas
COOKIE=hgRtSkk99thyKKjhY
SNMP_INTERFACE=hme0
ALARMS_VSN=1.0
##

ERL_ROOT=$1
RELEASE_VSN=${2:-"$DEFAULT_RELEASE_VSN"}
REL_FILE=${3:-start_sasl}
NODE_NAME=${4:-"$DEFAULT_NODE_NAME"}

if [ -z "$ERL_ROOT" -o ! -d "$ERL_ROOT" ]
then
        echo "Install: need ERL_ROOT directory as argument"
        exit 1
fi

if [ `echo $ERL_ROOT | awk '{ print substr($1,1,1) }'` != "/" ]
then
        echo "Install: need an absolute path to ERL_ROOT"
        exit 1
fi

if [ ! -d $ERL_ROOT/erts-$ERTS_VSN/bin ]
then
        echo "Install: The directory $ERL_ROOT/erts-$ERTS_VSN/bin does not
exist"
        echo "         Bad location or erts module not un-tared"
        exit 1
fi

if [ ! -d $ERL_ROOT/releases/$RELEASE_VSN ]
then
        echo "Install: The directory $ERL_ROOT/releases/$RELEASE_VSN does "
        echo "         not exist."
        exit 1
fi

if [ ! -f $ERL_ROOT/releases/$REL_FILE.rel ]
then
        echo "Install: The release file
$ERL_ROOT/releases/$RELEASE_VSN/$REL_FILE.rel"
        echo "         does not exist."
        exit 1
fi



if [ ! -d $ERL_ROOT/bin ]
then
        mkdir $ERL_ROOT/bin
fi

#
# Get target system.
#
SYS=`(uname -s) 2>/dev/null` || SYS=unknown
REL=`(uname -r) 2>/dev/null` || REL=unknown
case $SYS:$REL in
                SunOS:5.*)
                        TARGET=sunos5 ;;
                Linux:*)
                        TARGET=linux ;;
                *)
                        TARGET="" ;;
esac

cd $ERL_ROOT/erts-$ERTS_VSN/bin

sed -e "s;%FINAL_ROOTDIR%;$ERL_ROOT;" erl.src > erl
chmod 755 erl

#
# Create shell script file for embedded system use,
# currently only on Solaris/SunOS 5
#
if [ "X$TARGET" = "Xsunos5" ]; then
  (cd $ERL_ROOT/erts-$ERTS_VSN/bin;
   sed -e "s;%FINAL_ROOTDIR%;$ERL_ROOT;" -e "s;%NAME%;$NODE_NAME;" start.src > start;
   chmod 755 start)
fi

cd $ERL_ROOT/bin

cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/erl .
cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/erlc .

if [ -h epmd ]; then
  /bin/rm -f epmd
fi
cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/epmd .

if [ "X$TARGET" = "Xsunos5" ]; then
  cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/run_erl .
  cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/to_erl .
  cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/start .
  cp -p $ERL_ROOT/erts-$ERTS_VSN/bin/start.boot .  # Added to allow bootstrap
  sed -e "s;%EMU%;beam;" $ERL_ROOT/erts-$ERTS_VSN/bin/start_erl.src > start_erl
  chmod 755 start_erl
fi

cd $ERL_ROOT/releases
echo $ERTS_VSN $RELEASE_VSN > start_erl.data

## Start of EVAS Specific bits


if [ ! -d $ERL_ROOT/log ]
then
        mkdir $ERL_ROOT/log
fi

if [ ! -d $ERL_ROOT/sasl_logfiles ]
then
        mkdir $ERL_ROOT/sasl_logfiles
fi

if [ ! -d $ERL_ROOT/stats ]
then
        mkdir $ERL_ROOT/stats
fi

if [ ! -d $ERL_ROOT/mnesia_backups ]
then
        mkdir $ERL_ROOT/mnesia_backups
fi

if [ ! -d $ERL_ROOT/app_logs ]
then
        mkdir $ERL_ROOT/app_logs
fi

cd $ERL_ROOT/lib/alarms-$ALARMS_VSN/priv/snmp_conf
    IP_ADDR=`/usr/sbin/ifconfig $SNMP_INTERFACE | awk '$0 ~ /inet/ {print $2}'`
    IP_ADDR_ERL=`echo $IP_ADDR | sed -e "y/\./,/"`
    sed -e "s;%AGENT_IP%;$IP_ADDR_ERL;" agent.conf.src > agent.conf

cd $ERL_ROOT
if [ -f .erlang.cookie ]
then
    chmod 700 .erlang.cookie
    rm .erlang.cookie
fi

echo $COOKIE > .erlang.cookie
chmod 400 .erlang.cookie
## end of script