#!/bin/bash

set -x 

set -u
set -e
set -o pipefail

ETH_INT=$(ip route | grep ^default | cut -d ' ' -f 5)
IP_GW=$(ip route | grep ^default | cut -d ' ' -f 3)
IP_BASE=${IP_GW%.*}

sudo ip link add bridge2 link ${ETH_INT} type macvlan mode bridge
sudo ip link set bridge2 up
sudo ip addr add ${IP_BASE}.192/29 dev bridge2 
docker network create -d macvlan -o parent=${ETH_INT} --gateway ${IP_GW} --subnet ${IP_BASE}.0/24 --ip-range ${IP_BASE}.198/30 bridge2
docker run --rm --name nginx -itd --network bridge2 nginx:alpine
sleep 2
curl ${IP_BASE}.196

# docker kill nginx
# docker network rm bridge2
# sudo ip link delete bridge2