Use proper startswith.

filter_plugins/oo_filters.py

@@ -891,10 +891,6 @@ class FilterModule(object):
 
         return version
 
-    @staticmethod
-    def oo_startswith(input, prefix):
-        return input.startswith(prefix)
-
     def filters(self):
         """ returns a mapping of filters to methods """
         return {
@@ -928,5 +924,4 @@ class FilterModule(object):
             "oo_oc_nodes_matching_selector": self.oo_oc_nodes_matching_selector,
             "oo_oc_nodes_with_label": self.oo_oc_nodes_with_label,
             "oo_merge_hostvars": self.oo_merge_hostvars,
-            "oo_startswith": self.oo_startswith,
         }

roles/openshift_version/tasks/main.yml

@@ -73,4 +73,4 @@
 # the rpm version we looked up matches the release requested and error out if not.
 - fail:
     msg: "Detected openshift version {{ openshift_version }} does not match requested openshift_release {{ openshift_release }}. You may need to adjust your yum repositories or specify an exact openshift_pkg_version."
-  when: not is_containerized | bool and openshift_release is defined and not openshift_version | oo_startswith(openshift_release) | bool
+  when: not is_containerized | bool and openshift_release is defined and not openshift_version.startswith(openshift_release) | bool