Use GetRoutingControlState with an Amazon SDK or CLI

    public static GetRoutingControlStateResponse getRoutingControlState(List<ClusterEndpoint> clusterEndpoints,
            String routingControlArn) {
        // As a best practice, we recommend choosing a random cluster endpoint to get or
        // set routing control states.
        // For more information, see
        // https://docs.aws.amazon.com/r53recovery/latest/dg/route53-arc-best-practices.html#route53-arc-best-practices.regional
        Collections.shuffle(clusterEndpoints);
        for (ClusterEndpoint clusterEndpoint : clusterEndpoints) {
            try {
                System.out.println(clusterEndpoint);
                Route53RecoveryClusterClient client = Route53RecoveryClusterClient.builder()
                        .endpointOverride(URI.create(clusterEndpoint.endpoint()))
                        .region(Region.of(clusterEndpoint.region())).build();
                return client.getRoutingControlState(
                        GetRoutingControlStateRequest.builder()
                                .routingControlArn(routingControlArn).build());
            } catch (Exception exception) {
                System.out.println(exception);
            }
        }
        return null;
    }

import boto3


def create_recovery_client(cluster_endpoint):
    """
    Creates a Boto3 Route 53 Application Recovery Controller client for the specified
    cluster endpoint URL and AWS Region.

    :param cluster_endpoint: The cluster endpoint URL and Region.
    :return: The Boto3 client.
    """
    return boto3.client(
        "route53-recovery-cluster",
        endpoint_url=cluster_endpoint["Endpoint"],
        region_name=cluster_endpoint["Region"],
    )



def get_routing_control_state(routing_control_arn, cluster_endpoints):
    """
    Gets the state of a routing control. Cluster endpoints are tried in
    sequence until the first successful response is received.

    :param routing_control_arn: The ARN of the routing control to look up.
    :param cluster_endpoints: The list of cluster endpoints to query.
    :return: The routing control state response.
    """

    # As a best practice, we recommend choosing a random cluster endpoint to get or set routing control states.
    # For more information, see https://docs.aws.amazon.com/r53recovery/latest/dg/route53-arc-best-practices.html#route53-arc-best-practices.regional
    random.shuffle(cluster_endpoints)
    for cluster_endpoint in cluster_endpoints:
        try:
            recovery_client = create_recovery_client(cluster_endpoint)
            response = recovery_client.get_routing_control_state(
                RoutingControlArn=routing_control_arn
            )
            return response
        except Exception as error:
            print(error)
            raise error