configure

#!/bin/bash
set -e

# check root
if [ ! "$(id -u)" == "0" ]; then
    echo "must be root to run install script"
    exit 1
fi

# install requirements that pip needs
apt-get install libleveldb1v5 libleveldb-dev

# source directory
source_dir=$(cd "$(dirname "${BASH_SOURCE[0]}" )"; pwd)


uwallet_config="/etc/uwallet.conf"
function read_config()
{
    text=$1
    echo `grep -e ^$text $uwallet_config |awk -F\= '{print $2}' | tail -n 1| tr -d ' '`
}
function write_config()
{
    sed -i -s "s#$1 =.*#$1 = $2#" $uwallet_config
}

# create config file
if [ ! -f $uwallet_config ]; then
    echo "Creating config file"
    cp $source_dir"/uwallet.conf.sample" $uwallet_config
fi


# read username
user=$(read_config "username")
if ! [ "$user" ]; then
    read -p "username for running daemon (default: uwallet) " -r
    if [ $REPLY ]; then
	user=$REPLY
    else
	user="uwallet"
    fi
    write_config "username" $user
fi


# create user
if ! id -u $user; then
    echo "adding user $user"
    sudo adduser $user --disabled-password
    echo "$user hard nofile 65536" >> /etc/security/limits.conf
    echo "$user soft nofile 65536" >> /etc/security/limits.conf
fi


# read path from config
default_path="/var/uwallet-server"
path=$(read_config "path")
if ! [ "$path" ]; then
    read -p "Path for database (default: $default_path) " -r
    if [ $REPLY ]; then
	path=$REPLY
    else
	path=$default_path
    fi
    write_config "path" $default_path
fi

mkdir -p $path

# read path from config
default_logfile="/var/log/uwallet.log"
logfile=$(read_config "logfile")
if ! [ "$logfile" ]; then
    read -p "Path of logfile (default: $default_logfile) " -r
    if [ $REPLY ]; then
	logfile=$REPLY
    else
	logfile=$default_logfile
    fi
    write_config "logfile" $default_logfile
fi

# set owner
chown -R $user $path

# create log file
logfile=$(read_config "logfile")
if ! [ -f $logfile ]; then
    touch $logfile
fi
chown $user $logfile


unetd_user=$(read_config "ulordd_user")
if ! [ "$ulordd_user" ]; then
    read -p "rpcuser (from your ulord.conf file): " -r
    write_config "ulordd_user" $REPLY
fi

unetd_password=$(read_config "ulordd_password")
if ! [ "$ulordd_password" ]; then
    read -p "rpcpassword (from your ulord.conf file): " -r
    write_config "ulordd_password" $REPLY
fi


# finish
echo "Configuration written to $uwallet_config."
echo "Please edit this file to finish the configuration."
echo "If you have not done so, please run 'python setup.py install'"
echo "Then, run 'uwallet-server' to start the daemon"