#!/bin/bash
set -e

export KONG_NGINX_DAEMON=off

has_transparent() {
  echo "$1" | grep -E "[^\s,]+\s+transparent\b" >/dev/null
}

if [[ "$1" == "kong" ]]; then
  PREFIX=${KONG_PREFIX:=/usr/local/kong}

  if [[ "$2" == "docker-start" ]]; then
    shift 2
    kong prepare -p "$PREFIX" "$@"
    
    chmod o+w /proc/self/fd/1
    chmod o+w /proc/self/fd/2
    
    if [ "$(id -u)" != "0" ]; then
      exec /usr/local/openresty/nginx/sbin/nginx \
        -p "$PREFIX" \
        -c nginx.conf
    else
      if [ ! -z ${SET_CAP_NET_RAW} ] \
          || has_transparent "$KONG_STREAM_LISTEN" \
          || has_transparent "$KONG_PROXY_LISTEN" \
          || has_transparent "$KONG_ADMIN_LISTEN";
      then
        setcap cap_net_raw=+ep /usr/local/openresty/nginx/sbin/nginx
      fi
      chown -R kong:0 /usr/local/kong
      exec su-exec kong /usr/local/openresty/nginx/sbin/nginx \
        -p "$PREFIX" \
        -c nginx.conf
    fi
  fi
fi

exec "$@"