#!/bin/bash
set -e

debug=0

# baremetal
#cmd="wg show all dump"

# docker wg-a-s
cmd="docker exec wg-access-server wg show all dump"

$cmd | sed 1d | while read line; do
        endpoint_ip=`echo $line | awk '{print $4}'`

        # peer is not currently connected
        [[ $endpoint_ip = \(none\) ]] && continue

        (( debug > 0 )) && echo endpoint_ip is $endpoint_ip

        # IP without the port
        endpoint_ip=${endpoint_ip%\:*}

        # IP without cidr prefix - assuming /32 always
        allowed_ip=`echo $line | awk '{print $5}'`
        allowed_ip=${allowed_ip%/*}

        transfer_rx=`echo $line | awk '{print $7}'`
        transfer_tx=`echo $line | awk '{print $8}'`

        cat <<EOF
{ "endpoint_ip": "$endpoint_ip", "allowed_ip": "$allowed_ip", "transfer_rx": "$transfer_rx", "transfer_tx": "$transfer_tx" }
EOF

        unset endpoint_ip allowed_ip transfer_rx transfer_tx
done