settings: reduce number of settings fetch since it uses locking for cache invalidation and is generally slow.

We anyway load it per-request so we can re-use this.

rhodecode/apps/admin/views/permissions.py

@@ -68,7 +68,8 b' class AdminPermissionsView(BaseAppView, '
 
         c.user = User.get_default_user(refresh=True)
 
-        app_settings = SettingsModel().get_all_settings()
+        app_settings = c.rc_config
+
         defaults = {
             'anonymous': c.user.active,
             'default_register_message': app_settings.get(

rhodecode/apps/admin/views/settings.py

@@ -445,7 +445,7 b' class AdminSettingsView(BaseAppView):'
     def settings_issuetracker(self):
         c = self.load_default_context()
         c.active = 'issuetracker'
-        defaults = SettingsModel().get_all_settings()
+        defaults = c.rc_config
 
         entry_key = 'rhodecode_issuetracker_pat_'
 

rhodecode/lib/base.py

@@ -289,7 +289,7 b' def attach_context_attributes(context, r'
     config = request.registry.settings
 
     rc_config = SettingsModel().get_all_settings(cache=True)
-
+    context.rc_config = rc_config
     context.rhodecode_version = rhodecode.__version__
     context.rhodecode_edition = config.get('rhodecode.edition')
     # unique secret + version does not leak the version but keep consistency

rhodecode/model/db.py

@@ -2246,8 +2246,12 b' class Repository(Base, BaseModel):'
             del override['ssh']
 
         # we didn't override our tmpl from **overrides
+        request = get_current_request()
         if not uri_tmpl:
-            rc_config = SettingsModel().get_all_settings(cache=True)
+            if hasattr(request, 'call_context') and hasattr(request.call_context, 'rc_config'):
+                rc_config = request.call_context.rc_config
+            else:
+                rc_config = SettingsModel().get_all_settings(cache=True)
             if ssh:
                 uri_tmpl = rc_config.get(
                     'rhodecode_clone_uri_ssh_tmpl') or self.DEFAULT_CLONE_URI_SSH
@@ -2255,7 +2259,6 b' class Repository(Base, BaseModel):'
                 uri_tmpl = rc_config.get(
                     'rhodecode_clone_uri_tmpl') or self.DEFAULT_CLONE_URI
 
-        request = get_current_request()
         return get_clone_url(request=request,
                              uri_tmpl=uri_tmpl,
                              repo_name=self.repo_name,