Method NewGaugeVec

prometheus/gauge.go:160–177

NewGaugeVec creates a new GaugeVec based on the provided GaugeVecOpts.

(opts GaugeVecOpts)

// NewGaugeVec creates a new GaugeVec based on the provided GaugeVecOpts.
func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
	desc := V2.NewDesc(
		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
		opts.Help,
		opts.VariableLabels,
		opts.ConstLabels,
	)
	return &GaugeVec{
		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
			if len(lvs) != len(desc.variableLabels.names) {
				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
			}
			result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
			result.init(result) // Init self-collection.
			return result
		}),
	}
}

// GetMetricWithLabelValues returns the Gauge for the given slice of label
// values (same order as the variable labels in Desc). If that combination of