metrics

package

v1.0.0 Latest Latest Go to latest Published: Dec 27, 2023 License: MIT Imports: 14 Imported by: 0

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var Factory promauto.Factory

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var GlobalMetricCache = NewMetricCache()

Global metric cache instance.

func EscapeKeyValue(s string) string

func GetMetrics() string

func GetMetricsByKey() map[string]string

func Handle() http.Handler

func StartAdvancedMQTTMetricsPublisher(ctx context.Context, topicPrefix string, mqttClient *mqtt.Client, interval time.Duration)

func StartSimpleMQTTMetricsPublisher(ctx context.Context, topicPrefix string, mqttClient *mqtt.Client, interval time.Duration)

type MetricCache struct {
	// contains filtered or unexported fields
}

MetricCache caches different types of Prometheus metrics by label.

func NewMetricCache() *MetricCache

NewMetricCache initializes a new metric cache.

func (mc *MetricCache) GetCounter(name string, labels prometheus.Labels) prometheus.Counter

GetCounter retrieves or creates a counter from the cache.

func (mc *MetricCache) GetGauge(name string, labels prometheus.Labels) prometheus.Gauge

GetGauge retrieves or creates a gauge from the cache.

func (mc *MetricCache) GetHistogram(name string, labels prometheus.Labels, buckets []float64) prometheus.Histogram

GetHistogram retrieves or creates a histogram from the cache.