container_interface_to_ovs_port_no.sh

#!/bin/bash

ID=$(sudo ovs-vsctl --data=bare --no-heading --columns=name find interface external_ids:container_id="$1" external_ids:container_iface="$2")

if [ "$3" == "-i" ]; then
    echo $ID
else
    sudo ovs-ofctl show chain | grep $ID | sed 's/(.*$//' | awk '{print $1}'
fi