It was agreed to name role variables as `r_ROLE_NAME_VARIABLE_NAME`. Giving it a try.
@@ -28,7 +28,7 @@ class EtcdVolume(OpenShiftCheck):
threshold = get_var(
task_vars,
- "etcd_device_usage_threshold_percent",
+ "r_openshift_health_checker_etcd_device_usage_threshold_percent",
default=self.default_threshold_percent
)