code: def postproc(self):
          
          secrets_files = [
              "/etc/openstack_deploy/user_secrets.yml",
              "/etc/rpc_deploy/user_secrets.yml"
          ]
          regexp = r"(?m)^\s*#*([\w_]*:\s*).*"
          for secrets_file in secrets_files:
              self.do_path_regex_sub(
                  secrets_file,
                  regexp,
                  r"\1*********")
docs: Remove sensitive keys and passwords from YAML files.