func()

in pkg/client/custom_api/client.go [219:244]

• 26 lines of code
• 4 McCabe index (conditional complexity)

func (mc *metricsClient) GetExternalMetric(name, namespace string, selector labels.Selector) (*external_metrics.ExternalMetricValueList, error) {
	mc.rwLock.Lock()
	defer mc.rwLock.Unlock()
	metricName, ok := mc.externalMetricNamer.Get(name)
	if !ok {
		return nil, fmt.Errorf("metric name alias for external metric %s/%s not found", namespace, name)
	}
	result, err := mc.externalMetricsClient.NamespacedMetrics(namespace).List(metricName, selector)
	if err != nil {
		return nil, fmt.Errorf("failed to get metrics for external metric %s/%s: %v", namespace, metricName, err)
	}
	valueList := &external_metrics.ExternalMetricValueList{
		Items: make([]external_metrics.ExternalMetricValue, len(result.Items)),
	}
	for i, m := range result.Items {
		valueList.Items[i] = external_metrics.ExternalMetricValue{
			TypeMeta:      metav1.TypeMeta{Kind: m.Kind, APIVersion: m.APIVersion},
			MetricName:    m.MetricName,
			MetricLabels:  m.MetricLabels,
			Timestamp:     m.Timestamp,
			WindowSeconds: m.WindowSeconds,
			Value:         m.Value,
		}
	}
	return valueList, nil
}