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133 lines
4.6 KiB
133 lines
4.6 KiB
from django.db.models.signals import post_save, pre_delete, pre_save, post_delete
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from django.dispatch import receiver
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from accounts.models import Account
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from assets.models import Asset, Domain
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from assets.models import Node
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from common.decorators import merge_delay_run
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from common.utils import get_logger
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from orgs.caches import OrgResourceStatisticsCache
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from orgs.models import Organization
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from orgs.utils import current_org
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from perms.models import AssetPermission
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from rbac.models import OrgRoleBinding, SystemRoleBinding, RoleBinding
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from terminal.models import Session
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from users.models import UserGroup, User
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from users.signals import pre_user_leave_org
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logger = get_logger(__name__)
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def refresh_cache(name, org):
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names = None
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if isinstance(name, (str,)):
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names = [name, ]
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if isinstance(names, (list, tuple)):
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for name in names:
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OrgResourceStatisticsCache(org).expire(name)
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OrgResourceStatisticsCache(Organization.root()).expire(name)
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else:
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logger.warning('refresh cache fail: {}'.format(name))
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def refresh_all_orgs_user_amount_cache(user):
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orgs = user.orgs.distinct()
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for org in orgs:
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refresh_cache('users_amount', org)
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refresh_cache('new_users_amount_this_week', org)
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@receiver(post_save, sender=OrgRoleBinding)
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def on_user_create_or_invite_refresh_cache(sender, instance, created, **kwargs):
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if created:
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refresh_cache('users_amount', instance.org)
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refresh_cache('new_users_amount_this_week', instance.org)
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@receiver(post_save, sender=SystemRoleBinding)
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def on_user_global_create_refresh_cache(sender, instance, created, **kwargs):
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if created and current_org.is_root():
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refresh_cache('users_amount', current_org)
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refresh_cache('new_users_amount_this_week', current_org)
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@receiver(pre_user_leave_org)
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def on_user_remove_refresh_cache(sender, org=None, **kwargs):
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refresh_cache('users_amount', org)
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refresh_cache('new_users_amount_this_week', org)
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@receiver(pre_delete, sender=User)
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def on_user_delete_refresh_cache(sender, instance, **kwargs):
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refresh_all_orgs_user_amount_cache(instance)
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model_cache_field_mapper = {
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Node: ['nodes_amount'],
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Domain: ['domains_amount'],
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UserGroup: ['groups_amount'],
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Account: ['accounts_amount'],
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RoleBinding: ['users_amount', 'new_users_amount_this_week'],
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Asset: ['assets_amount', 'new_assets_amount_this_week'],
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AssetPermission: ['asset_perms_amount'],
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}
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class OrgResourceStatisticsRefreshUtil:
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@staticmethod
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@merge_delay_run(ttl=30)
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def refresh_org_fields(org_fields=()):
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for org, cache_field_name in org_fields:
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OrgResourceStatisticsCache(org).expire(*cache_field_name)
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OrgResourceStatisticsCache(Organization.root()).expire(*cache_field_name)
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@classmethod
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def refresh_if_need(cls, instance):
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cache_field_name = model_cache_field_mapper.get(type(instance))
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if not cache_field_name:
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return
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org = getattr(instance, 'org', None)
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cls.refresh_org_fields(((org, cache_field_name),))
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@receiver(post_save)
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def on_post_save_refresh_org_resource_statistics_cache(sender, instance, created, **kwargs):
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if created:
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OrgResourceStatisticsRefreshUtil.refresh_if_need(instance)
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@receiver(post_delete)
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def on_post_delete_refresh_org_resource_statistics_cache(sender, instance, **kwargs):
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OrgResourceStatisticsRefreshUtil.refresh_if_need(instance)
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def _refresh_session_org_resource_statistics_cache(instance: Session):
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cache_field_name = [
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'total_count_online_users', 'total_count_online_sessions',
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'total_count_today_active_assets', 'total_count_today_failed_sessions'
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]
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org_cache = OrgResourceStatisticsCache(instance.org)
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org_cache.expire(*cache_field_name)
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OrgResourceStatisticsCache(Organization.root()).expire(*cache_field_name)
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@receiver(pre_save, sender=Session)
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def on_session_pre_save(sender, instance: Session, **kwargs):
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old = Session.objects.filter(id=instance.id).values_list('is_finished', flat=True)
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if old:
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instance._signal_old_is_finished = old[0]
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else:
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instance._signal_old_is_finished = None
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@receiver(post_save, sender=Session)
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def on_session_changed_refresh_org_resource_statistics_cache(sender, instance, created, **kwargs):
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if created or instance.is_finished != instance._signal_old_is_finished:
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_refresh_session_org_resource_statistics_cache(instance)
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@receiver(post_delete, sender=Session)
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def on_session_deleted_refresh_org_resource_statistics_cache(sender, instance, **kwargs):
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_refresh_session_org_resource_statistics_cache(instance)
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