private URI getUri(Application application) {
        var hostname = application.getModel().getHosts()
                .stream()
                .filter(hostInfo ->
                    hostInfo.getServices()
                            .stream()
                            .filter(service -> CONTAINER.serviceName.equals(service.getServiceType()))
                            .count() > 0)
                .map(HostInfo::getHostname)
                .findFirst().orElseThrow();
        return URI.create(PROTOCOL + hostname + AWS_PARAMETER_VALIDATION_HANDLER_POSTFIX);
    }
@author olaa
Takes the payload received from the controller and acts as a proxy for the AwsParameterStoreValidationHandler result
configserver/src/main/java/com/yahoo/vespa/config/server/http/SecretStoreValidator.java