public static HealthMetric get(String status, String message) {
        if (message == null) message = "";
        var statusCode = StatusCode.fromString(status);
        return new HealthMetric(statusCode, message, statusCode == UP);
    }
TODO: Use MetricsPacket instead of this class.

@author Jo Kristian Bergum
metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/HealthMetric.java