Initial commit - existing project files

lib/session-clear-scheduler.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+# This script clears expired sessions in a regular interval
+# The interval is defined (in minutes) by config.sh (SESSION_CLEAR_INTERVAL)
+
+import os
+
+from pathlib import Path
+from subprocess import run
+from time import sleep
+from datetime import datetime
+
+try:
+
+    exiting = False
+    clear_running = False
+
+    print("[session-clear-scheduler] Starting session-clear-scheduler.")
+
+    session_clear_script_fp = Path("lib/clear-expired-sessions.sh")
+    clear_interval_seconds = int(os.environ["SESSION_CLEAR_INTERVAL"]) * 60
+
+    sleep(10) # wait some seconds before the first session clean-up
+
+    while True:
+
+        clear_running = True
+        run(["/bin/sh", session_clear_script_fp.absolute()])
+        clear_running = False
+
+        print(f"[session-clear-scheduler: {datetime.now()}] Cleared expired sessions.")
+
+        if exiting:
+            break
+
+        sleep(clear_interval_seconds)
+
+except KeyboardInterrupt:
+
+    exiting = True
+    
+    if clear_running:
+        print(f"[session-clear-scheduler: {datetime.now()}] Received SIGINT. Waiting for current clear process to finish.")
+        sleep(20) # wait some time
+    
+    print(f"[session-clear-scheduler: {datetime.now()}] Exiting")
+    exit(0)