Revert "lifecycle: use worker nr instead of process id to keep number of prometheus database files low"

This reverts commit 254249e38b.

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

lifecycle/gunicorn.conf.py

@@ -7,14 +7,11 @@ from tempfile import gettempdir
 
 import structlog
 from kubernetes.config.incluster_config import SERVICE_HOST_ENV_NAME
-from prometheus_client import values
-from prometheus_client.values import MultiProcessValue
 
 from authentik import get_full_version
 from authentik.lib.config import CONFIG
 from authentik.lib.utils.http import get_http_session
 from authentik.lib.utils.reflection import get_env
-from lifecycle.worker import DjangoUvicornWorker
 
 bind = "127.0.0.1:8000"
 
@@ -72,17 +69,11 @@ workers = int(os.environ.get("WORKERS", default_workers))
 threads = int(os.environ.get("THREADS", 4))
 
 # pylint: disable=unused-argument
-def post_fork(server, worker: DjangoUvicornWorker):
-    """Tell prometheus to use worker number instead of process ID for multiprocess"""
-    values.ValueClass = MultiProcessValue(lambda: worker.nr)
-
-
-# pylint: disable=unused-argument
-def worker_exit(server, worker: DjangoUvicornWorker):
+def worker_exit(server, worker):
     """Remove pid dbs when worker is shutdown"""
     from prometheus_client import multiprocess
 
-    multiprocess.mark_process_dead(worker.nr)
+    multiprocess.mark_process_dead(worker.pid)
 
 
 if not CONFIG.y_bool("disable_startup_analytics", False):