#! /bin/sh
#

if [ "$#" -eq 0 ] || [ "$#" -gt 1 ]; then
  echo takes only one argument
  exit 1
fi

if [ ! -e "${1}" ]; then
  echo cannot find "${1}"
  exit 1
fi

# shellcheck source=./env_files/ssh-tunnel-example.env
. "${1}"
# shellcheck source=./.env-example
. ./.env

ssh \
  -v \
  -N \
  -L \
  "${TRAEFIK_LISTENING_IP}:${LOCAL_PORT}:${LOCAL_IP_ON_REMOTE}:${LOCAL_PORT_ON_REMOTE}" \
  "${REMOTE_HOST}"