'Mark the resource as unhealthy or healthy.
:param ctxt: RPC context.
:param stack_identity: Name of the stack.
:param resource_name: the Resource.
:param mark_unhealthy: indicates whether the resource is unhealthy.
:param resource_status_reason: reason for health change.'

def resource_mark_unhealthy(self, ctxt, stack_identity, resource_name, mark_unhealthy, resource_status_reason=None):

    return self.call(ctxt, self.make_msg('resource_mark_unhealthy', stack_identity=stack_identity, resource_name=resource_name, mark_unhealthy=mark_unhealthy, resource_status_reason=resource_status_reason), version='1.26')
