app: improve logging, and remove DB calls on app startup.

rhodecode/apps/admin/views/users.py

@@ -36,7 +36,7 b' from rhodecode.authentication.plugins im'
 from rhodecode.events import trigger
 from rhodecode.model.db import true, UserNotice
 
-from rhodecode.lib import audit_logger, rc_cache
+from rhodecode.lib import audit_logger, rc_cache, auth
 from rhodecode.lib.exceptions import (
     UserCreationError, UserOwnsReposException, UserOwnsRepoGroupsException,
     UserOwnsUserGroupsException, UserOwnsPullRequestsException,
@@ -295,6 +295,10 b' class UsersView(UserAppView):'
         c.allowed_extern_types = [
             (x.uid, x.get_display_name()) for x in self.get_auth_plugins()
         ]
+        perms = req.registry.settings.get('available_permissions')
+        if not perms:
+            # inject info about available permissions
+            auth.set_available_permissions(req.registry.settings)
 
         c.available_permissions = req.registry.settings['available_permissions']
         PermissionModel().set_global_permission_choices(

rhodecode/config/middleware.py

@@ -53,7 +53,7 b' from rhodecode.lib.utils2 import aslist '
 from rhodecode.lib.exc_tracking import store_exception
 from rhodecode.subscribers import (
     scan_repositories_if_enabled, write_js_routes_if_enabled,
-    write_metadata_if_needed, write_usage_data, inject_app_settings)
+    write_metadata_if_needed, write_usage_data)
 
 
 log = logging.getLogger(__name__)
@@ -310,8 +310,6 b' def includeme(config):'
 
     # Add subscribers.
     if load_all:
-        config.add_subscriber(inject_app_settings,
-                              pyramid.events.ApplicationCreated)
         config.add_subscriber(scan_repositories_if_enabled,
                               pyramid.events.ApplicationCreated)
         config.add_subscriber(write_metadata_if_needed,

rhodecode/lib/rc_cache/__init__.py

@@ -74,7 +74,11 b' def configure_dogpile_cache(settings):'
 
         new_region.configure_from_config(settings, 'rc_cache.{}.'.format(region_name))
         new_region.function_key_generator = backend_key_generator(new_region.actual_backend)
-        log.debug('dogpile: registering a new region %s[%s]', region_name, new_region.__dict__)
+        if log.isEnabledFor(logging.DEBUG):
+            region_args = dict(backend=new_region.actual_backend.__class__,
+                               region_invalidator=new_region.region_invalidator.__class__)
+            log.debug('dogpile: registering a new region `%s` %s', region_name, region_args)
+
         region_meta.dogpile_cache_regions[region_name] = new_region
 
 

rhodecode/subscribers.py

@@ -104,12 +104,6 b' def add_request_user_context(event):'
     request.environ['rc_req_id'] = req_id
 
 
-def inject_app_settings(event):
-    settings = event.app.registry.settings
-    # inject info about available permissions
-    auth.set_available_permissions(settings)
-
-
 def scan_repositories_if_enabled(event):
     """
     This is subscribed to the `pyramid.events.ApplicationCreated` event. It