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jumpserver/apps/terminal/tasks.py

70 lines
1.5 KiB

# -*- coding: utf-8 -*-
#
import threading
import time
from celery import shared_task
from django.core.cache import cache
from django.db.utils import ProgrammingError
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
RUNNING = False
# 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:
try:
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)
except ProgrammingError:
pass
finally:
time.sleep(10)
def main():
global RUNNING
if RUNNING:
return
threads = []
thread = threading.Thread(target=set_cache)
threads.append(thread)
for t in threads:
t.daemon = True
t.start()
RUNNING = True
# Todo: 不能migrations了
main()