Fix dry runs (--check) erroneously reporting changes

plugins/module_utils/raw.py

@@ -366,7 +366,7 @@ def perform_action(self, resource, definition):
                 return result
 
             # Differences exist between the existing obj and requested params
-            if self.check_mode:
+            if self.check_mode and LooseVersion(self.openshift_version) < LooseVersion("0.11.1"):
                 k8s_obj = dict_merge(existing.to_dict(), definition)
             else:
                 if LooseVersion(self.openshift_version) < LooseVersion("0.6.2"):
@@ -399,6 +399,11 @@ def patch_resource(self, resource, definition, existing, name, namespace, merge_
             params = dict(name=name, namespace=namespace)
             if merge_type:
                 params['content_type'] = 'application/{0}-patch+json'.format(merge_type)
+
+            # Pass dry_run=All to openshift
+            if self.check_mode:
+                params['dry_run'] = 'All'
+
             k8s_obj = resource.patch(definition, **params).to_dict()
             match, diffs = self.diff_objects(existing.to_dict(), k8s_obj)
             error = {}