#!/usr/bin/env bash

set -xeu -o pipefail

VPN_USER=$1

VPN_SITE=${VPN_SITE:-example}

# where PKI is generated are kept, same variable as Makefile
export BASE_DIR=${BASE_DIR:-onf_pki}

export IM_CA_NAME=openvpn_ca
export LEAF_PURPOSE=client_cert_ext

export LEAF_KEYPAIR=${VPN_USER}
export LEAF_EMAIL=${LEAF_EMAIL:-"${VPN_USER}@opennetworking.org"}
export LEAF_SAN="email:${LEAF_EMAIL}"

make ${BASE_DIR}/certout/${VPN_USER}.pem

# build config
VPN_CONFIG=openvpn/${VPN_USER}_${VPN_SITE}.ovpn
cat openvpn/generic_${VPN_SITE}.ovpn > $VPN_CONFIG

cat << EOKEY >> $VPN_CONFIG

# client key
<key>
EOKEY

# add key
cat ${BASE_DIR}/certout/${VPN_USER}.key >> $VPN_CONFIG

cat << EOCERT >> $VPN_CONFIG
</key>

# client cert
<cert>
EOCERT

# add pem
cat ${BASE_DIR}/certout/${VPN_USER}.pem >> $VPN_CONFIG

cat << EOF >> $VPN_CONFIG
</cert>
EOF