#!/bin/bash
# ── Log file watcher ──────────────────────────────────────────────────────────
# Polls /nginx-logs every 30s. If a new proxy-host-*_access.log appears,
# reloads fail2ban so it picks up the new file immediately.
# ─────────────────────────────────────────────────────────────────────────────

LOG_DIR="${LOG_DIR:-/nginx-logs}"
INTERVAL=30

known=$(ls "$LOG_DIR"/proxy-host-*_access.log 2>/dev/null | sort | tr '\n' ':')

echo "[logwatch] Watching $LOG_DIR for new proxy-host log files..."

while true; do
    sleep "$INTERVAL"
    current=$(ls "$LOG_DIR"/proxy-host-*_access.log 2>/dev/null | sort | tr '\n' ':')
    if [ "$current" != "$known" ]; then
        echo "[logwatch] New log file(s) detected — reloading fail2ban"
        fail2ban-client reload 2>&1 | sed 's/^/[logwatch] /'
        known="$current"
    fi
done