[Feature] 离线session完成

apps/terminal/tasks.py

@@ -1,10 +1,52 @@
 # -*- coding: utf-8 -*-
 #
+import threading
+import time
 
 from celery import shared_task
+from django.core.cache import cache
+
+from .models import Session
+
+
+ASSETS_CACHE_KEY = "terminal__session__assets"
+USERS_CACHE_KEY = "terminal__session__users"
+SYSTEM_USER_CACHE_KEY = "terminal__session__system_users"
+CACHE_REFRESH_INTERVAL = 10
 
 
 # Todo: 定期清理上报history
 @shared_task
 def clean_terminal_history():
     pass
+
+
+def get_session_asset_list():
+    return set(list(Session.objects.values_list('asset', flat=True)))
+
+
+def get_session_user_list():
+    return set(list(Session.objects.values_list('user', flat=True)))
+
+
+def get_session_system_user_list():
+    return set(list(Session.objects.values_list('system_user', flat=True)))
+
+
+def set_cache():
+    while True:
+        assets = get_session_asset_list()
+        users = get_session_user_list()
+        system_users = get_session_system_user_list()
+
+        cache.set(ASSETS_CACHE_KEY, assets)
+        cache.set(USERS_CACHE_KEY, users)
+        cache.set(SYSTEM_USER_CACHE_KEY, system_users)
+        time.sleep(10)
+
+
+def main():
+    thread = threading.Thread(target=set_cache)
+    thread.start()
+
+main()