jumpserver/apps/orgs/caches.py

125 lines
3.8 KiB
Python

from django.db.transaction import on_commit
from orgs.models import Organization
from orgs.tasks import refresh_org_cache_task
from orgs.utils import current_org, tmp_to_org
from common.cache import Cache, IntegerField
from common.utils import get_logger
from common.utils.timezone import local_zero_hour, local_monday
from users.models import UserGroup, User
from assets.models import Node, Domain, Asset
from accounts.models import Account
from terminal.models import Session
from perms.models import AssetPermission
logger = get_logger(__file__)
class OrgRelatedCache(Cache):
def __init__(self):
super().__init__()
self.current_org = Organization.get_instance(current_org.id)
def get_current_org(self):
"""
暴露给子类控制组织的回调
1. 在交互式环境下能控制组织
2. 在 celery 任务下能控制组织
"""
return self.current_org
def compute_values(self, *fields):
with tmp_to_org(self.get_current_org()):
return super().compute_values(*fields)
def refresh_async(self, *fields):
"""
在事务提交之后再发送信号,防止因事务的隔离性导致未获得最新的数据
"""
def func():
logger.debug(f'CACHE: Send refresh task {self}.{fields}')
refresh_org_cache_task.delay(self, *fields)
on_commit(func)
def expire(self, *fields):
def func():
super(OrgRelatedCache, self).expire(*fields)
on_commit(func)
class OrgResourceStatisticsCache(OrgRelatedCache):
users_amount = IntegerField()
assets_amount = IntegerField()
new_users_amount_this_week = IntegerField()
new_assets_amount_this_week = IntegerField()
nodes_amount = IntegerField(queryset=Node.objects)
domains_amount = IntegerField(queryset=Domain.objects)
groups_amount = IntegerField(queryset=UserGroup.objects)
accounts_amount = IntegerField(queryset=Account.objects)
asset_perms_amount = IntegerField(queryset=AssetPermission.objects)
total_count_online_users = IntegerField()
total_count_online_sessions = IntegerField()
total_count_today_active_assets = IntegerField()
total_count_today_failed_sessions = IntegerField()
def __init__(self, org):
super().__init__()
self.org = org
def get_key_suffix(self):
return f'org_{self.org.id}'
def get_current_org(self):
return self.org
def get_users(self):
return User.get_org_users(self.org)
@staticmethod
def get_assets():
return Asset.objects.all()
def compute_users_amount(self):
users = self.get_users()
return users.count()
def compute_new_users_amount_this_week(self):
monday_time = local_monday()
users = self.get_users().filter(date_joined__gte=monday_time)
return users.count()
def compute_assets_amount(self):
assets = self.get_assets()
return assets.count()
def compute_new_assets_amount_this_week(self):
monday_time = local_monday()
assets = self.get_assets().filter(date_created__gte=monday_time)
return assets.count()
@staticmethod
def compute_total_count_online_users():
return Session.objects.filter(
is_finished=False
).values_list('user_id').distinct().count()
@staticmethod
def compute_total_count_online_sessions():
return Session.objects.filter(is_finished=False).count()
@staticmethod
def compute_total_count_today_active_assets():
t = local_zero_hour()
return Session.objects.filter(
date_start__gte=t, is_success=False
).values('asset_id').distinct().count()
@staticmethod
def compute_total_count_today_failed_sessions():
t = local_zero_hour()
return Session.objects.filter(date_start__gte=t, is_success=False).count()