44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
// Package metrics registers Prometheus metrics for the Veylant proxy.
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package metrics
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import (
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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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)
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// Prometheus metrics exposed by the Veylant proxy.
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// Labels follow the naming conventions of the OpenTelemetry semantic conventions
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// where applicable.
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var (
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// RequestsTotal counts all proxy requests by HTTP method, path, status code,
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// and provider name.
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RequestsTotal = promauto.NewCounterVec(
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prometheus.CounterOpts{
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Name: "veylant_requests_total",
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Help: "Total number of proxy requests.",
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},
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[]string{"method", "path", "status", "provider"},
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)
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// RequestDuration measures the end-to-end latency of each proxy request in
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// seconds, broken down by method, path, and status code.
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RequestDuration = promauto.NewHistogramVec(
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prometheus.HistogramOpts{
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Name: "veylant_request_duration_seconds",
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Help: "End-to-end proxy request duration in seconds.",
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Buckets: []float64{.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10},
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},
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[]string{"method", "path", "status"},
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)
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// RequestErrors counts requests that resulted in an error, labelled by the
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// OpenAI error type (authentication_error, rate_limit_error, etc.).
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RequestErrors = promauto.NewCounterVec(
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prometheus.CounterOpts{
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Name: "veylant_request_errors_total",
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Help: "Total number of proxy request errors by error type.",
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},
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[]string{"method", "path", "error_type"},
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)
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)
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