configurable reloader time

Author: denis256

nginx-f1/README.md

@@ -364,6 +364,7 @@ The `nginx-reloader` daemon watches for configuration file changes and automatic
 |----------|---------|-------------|
 | `WATCH_DIR` | `/etc/nginx` | Directory to watch for config changes |
 | `RELOADER_LOG` | `/var/log/nginx/reloader.log` | Log file path |
+| `RELOADER_DELAY` | `2` | Delay in seconds before reload (batches rapid changes) |
 
 ### Example Usage
 
@@ -391,10 +392,9 @@ docker exec nginx-f1 tail -f /var/log/supervisor/nginx-reloader.log
 ### Example Log Output
 
 ```
-[2024-01-15 10:30:00] Starting nginx-reloader, watching: /etc/nginx for *.conf files
-[2024-01-15 10:35:22] Detected change in: default.conf
-[2024-01-15 10:35:22] Config valid, executing: nginx -s reload
-[2024-01-15 10:40:15] Ignored non-conf file: nginx.pid
+[2024-01-15 10:30:00] Starting nginx-reloader, watching: /etc/nginx for *.conf files (delay: 2s)
+[2024-01-15 10:35:22] Detected: default.conf
+[2024-01-15 10:35:22] Config valid, reloading nginx
 ```
 
 ## 📊 Monitoring & Logs

nginx-f1/nginx-reloader.sh

@@ -3,29 +3,29 @@
 
 export WATCH_DIR=${WATCH_DIR:-/etc/nginx}
 export RELOADER_LOG=${RELOADER_LOG:-/var/log/nginx/reloader.log}
+export RELOADER_DELAY=${RELOADER_DELAY:-2}
 
 log() {
  local msg="[$(date '+%Y-%m-%d %H:%M:%S')] $1"
  echo "$msg"
  echo "$msg" >> "${RELOADER_LOG}"
 }
 
-log "Starting nginx-reloader, watching: ${WATCH_DIR} for *.conf files"
+log "Starting nginx-reloader, watching: ${WATCH_DIR} for *.conf files (delay: ${RELOADER_DELAY}s)"
 
 while true
 do
  FILE=$(inotifywait --recursive --format '%f' -e create -e modify -e delete -e move "${WATCH_DIR}" 2>/dev/null)
 
  if [[ "${FILE}" == *.conf ]]; then
-  log "Detected change in: ${FILE}"
+  sleep "${RELOADER_DELAY}"
+  log "Detected: ${FILE}"
   nginx -t
   if [[ $? -eq 0 ]]; then
-   log "Config valid, executing: nginx -s reload"
+   log "Config valid, reloading nginx"
    nginx -s reload
   else
    log "Config test failed, skipping reload"
   fi
- else
-  log "Ignored non-conf file: ${FILE}"
  fi
 done