Make gunicorn max_requests configurable

Author: Grzegorz Kołakowski

desktop/core/src/desktop/conf.py

@@ -169,6 +169,17 @@ def is_custom_jwt_auth_enabled():
   """Returns True if key server url is set else returns False"""
   return bool(AUTH.JWT.KEY_SERVER_URL.get())
 
+GUNICORN_MAX_REQUESTS = Config(
+  key="gunicorn_max_requests",
+  help=_("The maximum number of requests a worker will process before restarting."),
+  type=int,
+  default=1200)
+
+GUNICORN_MAX_REQUESTS_JITTER = Config(
+  key="gunicorn_max_requests_jitter",
+  help=_("The maximum jitter to add to the max_requests setting."),
+  type=int,
+  default=0)
 
 USE_CHERRYPY_SERVER = Config(
   key="use_cherrypy_server",

desktop/core/src/desktop/lib/gunicorn_server_utils.py

@@ -318,8 +318,8 @@ def gunicorn_ssl_context(conf, default_ssl_context_factory):
     'limit_request_fields': conf.LIMIT_REQUEST_FIELDS.get(),
     'limit_request_line': conf.LIMIT_REQUEST_LINE.get(),
     'loglevel': 'DEBUG' if conf.DJANGO_DEBUG_MODE.get() else 'INFO',
-    'max_requests': 1200,          # The maximum number of requests a worker will process before restarting.
-    'max_requests_jitter': 0,
+    'max_requests': conf.GUNICORN_MAX_REQUESTS.get(), # The maximum number of requests a worker will process before restarting.
+    'max_requests_jitter': conf.GUNICORN_MAX_REQUESTS_JITTER.get(),
     'paste': None,
     'pidfile': None,
     'preload_app': False,