fn build_metric_histogram()

in nfm-controller/src/reports/report_otlp.rs [48:90]

• 41 lines of code
• 1 McCabe index (conditional complexity)

fn build_metric_histogram(
    name: String,
    timestamp_ns: u64,
    value: ReportValue,
) -> Result<Metric, String> {
    let mut data_point = HistogramDataPoint {
        time_unix_nano: timestamp_ns,
        start_time_unix_nano: timestamp_ns,
        count: 1,
        ..Default::default()
    };

    match value {
        ReportValue::Float(value) => {
            data_point.sum = Some(value);
        }
        ReportValue::Int(value) => {
            data_point.sum = Some(value as f64);
        }
        ReportValue::UInt(value) => {
            data_point.sum = Some(value as f64);
        }
        ReportValue::Histogram(histo) => {
            data_point.count = histo.count.into();
            data_point.min = Some(histo.min.into());
            data_point.max = Some(histo.max.into());
            data_point.sum = Some(histo.sum as f64);
        }
        _ => {
            return Err(format!("Unsupported value type {:?}", value).to_string());
        }
    }

    let data = Data::Histogram(Histogram {
        data_points: vec![data_point],
        aggregation_temporality: AggregationTemporality::Delta.into(),
    });
    Ok(Metric {
        name: name.to_string(),
        data: Some(data),
        ..Default::default()
    })
}