fix warnings

Author: yurnov

plugins/modules/k8s_drain.py

@@ -441,8 +441,7 @@ def _revert_node_patch():
                     warnings.append(warn)
             result.append("{0} Pod(s) deleted from node.".format(number_pod))
         if warnings:
-            for w in warnings:
-                self._module.warn(w)
+            self._module.warn(warnings)
         return dict(result=" ".join(result))
 
     def patch_node(self, unschedulable):

plugins/modules/k8s_rollback.py

@@ -169,8 +169,7 @@ def perform_action(svc, resource):
             resource["metadata"]["name"],
         )
         if warn:
-            for w in warn:
-                module.warn(w)
+            module.warn(warn)
         result = {"changed": False}
         return result
 

plugins/modules/k8s_scale.py

@@ -244,8 +244,7 @@ def _continue_or_fail(error):
 
     def _continue_or_exit(warn):
         if warn:
-            for w in warn:
-                module.warn(w)
+            module.warn(warn)
         if multiple_scale:
             return_attributes["results"].append({"changed": False})
         else:

tests/integration/targets/k8s_rollback/tasks/main.yml

@@ -411,7 +411,7 @@
         that:
           - not result.changed
           - result.rollback_info[0].warnings is defined
-          - "'No rollout history found' in result.rollback_info[0].warnings[0]"
+          - "'No rollout history found' in result.warnings.warnings[0]"
 
     - name: Create a service for unsupported resource test
       k8s: