mirror of
https://github.com/NotAShelf/goblin.git
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51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package metrics
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import (
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"github.com/gorilla/mux"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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var (
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pasteLengthHistogram = promauto.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "goblin",
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Subsystem: "paste",
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Name: "length",
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Help: "Length of pastes",
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Buckets: prometheus.ExponentialBuckets(1, 2, 10), // Example buckets
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},
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[]string{"status"}, // Labels for success/failure
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)
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pasteCreatedCounter = promauto.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "goblin",
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Subsystem: "paste",
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Name: "created_total",
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Help: "Total number of pastes created",
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},
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[]string{"status"}, // Labels for success/failure
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)
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)
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// ObservePasteLength records the length of pastes.
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func ObservePasteLength(status string, length float64) {
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pasteLengthHistogram.WithLabelValues(status).Observe(length)
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}
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// IncrementPasteCreatedCounter increments the paste creation counter.
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func IncrementPasteCreatedCounter(status string) {
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pasteCreatedCounter.WithLabelValues(status).Inc()
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}
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// InitPrometheus initializes Prometheus metrics and registers a handler for /metrics endpoint.
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func InitPrometheus(router *mux.Router) {
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// Register Prometheus metrics collectors here
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// For example, you can use promauto to define and register metrics
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// Register Prometheus HTTP handler for /metrics endpoint with the Mux router
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router.Handle("/metrics", promhttp.Handler())
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}
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