-# Pattern to be searched in Changeset
-# releng-xci/scenarios/<scenario>/<impacted files>: <scenario>
-# releng-xci/xci/installer/osa/<impacted files>: os-nosdn-nofeature
-# releng-xci/xci/installer/kubespray/<impacted files>: k8-nosdn-nofeature
-# the rest: os-nosdn-nofeature
-function determine_generic_scenario() {
+# Pattern
+# releng-xci/installer/<installer_type>/<impacted files>: <scenario>
+function determine_default_scenario() {