#!/bin/sh
# Tail Caddy's JSON access log, transform each entry into Apache CLF
# Combined with the virtual host glued to the request URI, and feed
# the stream straight into goaccess via stdin. Result: every line in
# the Requests panel renders as `host.example.com/path`.

set -eu

ACCESS_LOG="/srv/logs/access.log"

JQ_FILTER='
  "\(.request.remote_ip // "-") - - " +
  "[\((.ts // 0) | gmtime | strftime("%d/%b/%Y:%H:%M:%S +0000"))] " +
  "\"\(.request.method) \(.request.host)\(.request.uri) \(.request.proto)\" " +
  "\(.status) \(.size) " +
  "\"\(.request.headers.Referer[0]? // "-")\" " +
  "\"\(.request.headers["User-Agent"][0]? // "-")\""
'

tail -F -n +1 "$ACCESS_LOG" \
    | jq --unbuffered -rc "$JQ_FILTER" \
    | exec goaccess - "$@"