Function prometheusMetricToString

coderd/prometheusmetrics/aggregator_test.go:226–250

(t *testing.T, m prometheus.Metric)

}

func prometheusMetricToString(t *testing.T, m prometheus.Metric) string {
	var sb strings.Builder

	desc := m.Desc()
	_, _ = sb.WriteString(desc.String())
	_ = sb.WriteByte('|')

	var d dto.Metric
	err := m.Write(&d)
	assert.NoError(t, err)
	dtoLabels := asMetricAgentLabels(d.GetLabel())
	sort.Slice(dtoLabels, func(i, j int) bool {
		return dtoLabels[i].Name < dtoLabels[j].Name
	})

	for _, dtoLabel := range dtoLabels {
		if dtoLabel.Value == "" {
			continue
		}
		_, _ = sb.WriteString(dtoLabel.Name)
		_ = sb.WriteByte('=')
		_, _ = sb.WriteString(prometheusmetrics.MetricLabelValueEncoder.Replace(dtoLabel.Value))
	}
	return strings.TrimRight(sb.String(), ",")
}

func asMetricAgentLabels(dtoLabels []*dto.LabelPair) []*agentproto.Stats_Metric_Label {
	metricLabels := make([]*agentproto.Stats_Metric_Label, 0, len(dtoLabels))