#!/bin/bash -e

# Get the multiplier based on the memvalue
mem=`cat /proc/meminfo | grep MemTotal | awk '{print $2/524288}'`
base_cutoff="0.7"

ceil() {
    awk -vnumber="$mem" '
        function ceiling(x){return (x == int(x)) ? x : int(x)+1 }
        BEGIN{ print ceiling(number) }'
}

multiplier=`ceil`

# If the mem is less than base_cutoff which is 512MB, just use
# the default which is for anything less than 512MB
if [[ $mem < $base_cutoff ]]; then
   exit 0
fi

MYSQL_CONF_DIR="/etc/dbaas/my.cnf"

# Create the individual templates from the master template
if [ -e "$MYSQL_CONF_DIR/my.cnf.base" ]; then
    cat $MYSQL_CONF_DIR/my.cnf.base | while read line; do
        if [[ `expr "$line" : ".*{.*}"` != "0" ]]; then
            oldval=`echo $line | sed -e 's/.*{\(.*\)}.*/\1/'`
            if [[ $prop == "max_connections" ]]; then
                newval=`echo "($oldval * $multiplier) + 10" | bc`
            else
                newval=`echo "$oldval * $multiplier" | bc`
            fi
            line=`echo $line | sed -e "s/{$oldval}/$newval/"`
        fi
        echo $line >> $MYSQL_CONF_DIR/my.cnf.default.tmp
    done
    mv $MYSQL_CONF_DIR/my.cnf.default.tmp $MYSQL_CONF_DIR/my.cnf.default
fi


#DEBHELPER#