mirror of https://github.com/jumpserver/jumpserver
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.1 KiB
101 lines
3.1 KiB
# -*- coding: utf-8 -*-
|
|
#
|
|
import os
|
|
import threading
|
|
|
|
from django.db.models.signals import (
|
|
m2m_changed, post_save, post_delete
|
|
)
|
|
from django.dispatch import receiver
|
|
from django.utils.functional import LazyObject
|
|
|
|
from common.signals import django_ready
|
|
from common.utils.connection import RedisPubSub
|
|
from common.utils import get_logger
|
|
from assets.models import Asset, Node
|
|
from orgs.models import Organization
|
|
|
|
|
|
logger = get_logger(__file__)
|
|
|
|
# clear node assets mapping for memory
|
|
# ------------------------------------
|
|
|
|
|
|
def get_node_assets_mapping_for_memory_pub_sub():
|
|
return RedisPubSub('fm.node_all_asset_ids_memory_mapping')
|
|
|
|
|
|
class NodeAssetsMappingForMemoryPubSub(LazyObject):
|
|
def _setup(self):
|
|
self._wrapped = get_node_assets_mapping_for_memory_pub_sub()
|
|
|
|
|
|
node_assets_mapping_for_memory_pub_sub = NodeAssetsMappingForMemoryPubSub()
|
|
|
|
|
|
def expire_node_assets_mapping_for_memory(org_id):
|
|
# 所有进程清除(自己的 memory 数据)
|
|
org_id = str(org_id)
|
|
root_org_id = Organization.ROOT_ID
|
|
|
|
# 当前进程清除(cache 数据)
|
|
logger.debug(
|
|
"Expire node assets id mapping from cache of org={}, pid={}"
|
|
"".format(org_id, os.getpid())
|
|
)
|
|
Node.expire_node_all_asset_ids_mapping_from_cache(org_id)
|
|
Node.expire_node_all_asset_ids_mapping_from_cache(root_org_id)
|
|
|
|
node_assets_mapping_for_memory_pub_sub.publish(org_id)
|
|
node_assets_mapping_for_memory_pub_sub.publish(root_org_id)
|
|
|
|
|
|
@receiver(post_save, sender=Node)
|
|
def on_node_post_create(sender, instance, created, update_fields, **kwargs):
|
|
if created:
|
|
need_expire = True
|
|
elif update_fields and 'key' in update_fields:
|
|
need_expire = True
|
|
else:
|
|
need_expire = False
|
|
|
|
if need_expire:
|
|
expire_node_assets_mapping_for_memory(instance.org_id)
|
|
|
|
|
|
@receiver(post_delete, sender=Node)
|
|
def on_node_post_delete(sender, instance, **kwargs):
|
|
expire_node_assets_mapping_for_memory(instance.org_id)
|
|
|
|
|
|
@receiver(m2m_changed, sender=Asset.nodes.through)
|
|
def on_node_asset_change(sender, instance, **kwargs):
|
|
expire_node_assets_mapping_for_memory(instance.org_id)
|
|
|
|
|
|
@receiver(django_ready)
|
|
def subscribe_node_assets_mapping_expire(sender, **kwargs):
|
|
logger.debug("Start subscribe for expire node assets id mapping from memory")
|
|
|
|
def keep_subscribe():
|
|
while True:
|
|
try:
|
|
subscribe = node_assets_mapping_for_memory_pub_sub.subscribe()
|
|
for message in subscribe.listen():
|
|
if message["type"] != "message":
|
|
continue
|
|
org_id = message['data'].decode()
|
|
Node.expire_node_all_asset_ids_mapping_from_memory(org_id)
|
|
logger.debug(
|
|
"Expire node assets id mapping from memory of org={}, pid={}"
|
|
"".format(str(org_id), os.getpid())
|
|
)
|
|
except Exception as e:
|
|
logger.exception(f'subscribe_node_assets_mapping_expire: {e}')
|
|
Node.expire_all_orgs_node_all_asset_ids_mapping_from_memory()
|
|
|
|
t = threading.Thread(target=keep_subscribe)
|
|
t.daemon = True
|
|
t.start()
|