47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
"""authentik flow signals"""
|
|
from django.core.cache import cache
|
|
from django.db.models.signals import post_save, pre_delete
|
|
from django.dispatch import receiver
|
|
from structlog.stdlib import get_logger
|
|
|
|
from authentik.flows.apps import GAUGE_FLOWS_CACHED
|
|
from authentik.root.monitoring import monitoring_set
|
|
|
|
LOGGER = get_logger()
|
|
|
|
|
|
def delete_cache_prefix(prefix: str) -> int:
|
|
"""Delete keys prefixed with `prefix` and return count of deleted keys."""
|
|
keys = cache.keys(prefix)
|
|
cache.delete_many(keys)
|
|
return len(keys)
|
|
|
|
|
|
@receiver(monitoring_set)
|
|
# pylint: disable=unused-argument
|
|
def monitoring_set_flows(sender, **kwargs):
|
|
"""set flow gauges"""
|
|
GAUGE_FLOWS_CACHED.set(len(cache.keys("flow_*") or []))
|
|
|
|
|
|
@receiver(post_save)
|
|
@receiver(pre_delete)
|
|
# pylint: disable=unused-argument
|
|
def invalidate_flow_cache(sender, instance, **_):
|
|
"""Invalidate flow cache when flow is updated"""
|
|
from authentik.flows.models import Flow, FlowStageBinding, Stage
|
|
from authentik.flows.planner import cache_key
|
|
|
|
if isinstance(instance, Flow):
|
|
total = delete_cache_prefix(f"{cache_key(instance)}*")
|
|
LOGGER.debug("Invalidating Flow cache", flow=instance, len=total)
|
|
if isinstance(instance, FlowStageBinding):
|
|
total = delete_cache_prefix(f"{cache_key(instance.target)}*")
|
|
LOGGER.debug("Invalidating Flow cache from FlowStageBinding", binding=instance, len=total)
|
|
if isinstance(instance, Stage):
|
|
total = 0
|
|
for binding in FlowStageBinding.objects.filter(stage=instance):
|
|
prefix = cache_key(binding.target)
|
|
total += delete_cache_prefix(f"{prefix}*")
|
|
LOGGER.debug("Invalidating Flow cache from Stage", stage=instance, len=total)
|