If old credential field specified, add to JT

tower_cli/resources/job_template.py

@@ -119,12 +119,22 @@ class Resource(models.SurveyResource):
     labels = models.ManyToManyField('label')
     instance_groups = models.ManyToManyField('instance_group', method_name='ig')
 
-    def write(self, *args, **kwargs):
+    def write(self, pk=None, *args, **kwargs):
         # Provide a default value for job_type, but only in creation of JT
         if (kwargs.get('create_on_missing', False) and
                 (not kwargs.get('job_type', None))):
             kwargs['job_type'] = 'run'
-        return super(Resource, self).write(*args, **kwargs)
+        mcred = kwargs.get('credential', None)
+        ret = super(Resource, self).write(pk=pk, **kwargs)
+        cred_ids = [c['id'] for c in ret.get('summary_fields', {}).get('credentials', [])]
+        if mcred and mcred not in cred_ids:
+            new_pk = ret['id']
+            debug.log('Processing deprecated credential field via another request.', header='details')
+            self._assoc('credentials', new_pk, mcred)
+            ret = self.read(new_pk)
+            ret['id'] = new_pk
+            ret['changed'] = True
+        return ret
 
     @resources.command(use_fields_as_options=False)
     @click.option('--job-template', type=types.Related('job_template'))