mirror of
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62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package metrics
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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var (
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// Namespace defines the namespace for the defines metrics.
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Namespace = "opencloud"
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// Subsystem defines the subsystem for the defines metrics.
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Subsystem = "proxy"
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)
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// Metrics defines the available metrics of this service.
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type Metrics struct {
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Requests *prometheus.CounterVec
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Errors *prometheus.CounterVec
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Duration *prometheus.HistogramVec
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BuildInfo *prometheus.GaugeVec
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}
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// New initializes the available metrics.
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func New() *Metrics {
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m := &Metrics{
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Requests: prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: Namespace,
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Subsystem: Subsystem,
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Name: "requests_total",
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Help: "How many requests processed in total",
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}, []string{"method"}),
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Errors: prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: Namespace,
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Subsystem: Subsystem,
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Name: "errors_total",
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Help: "How many requests run into errors",
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}, []string{"method"}),
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Duration: prometheus.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: Namespace,
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Subsystem: Subsystem,
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Name: "duration_seconds",
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Help: "request duration in seconds",
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}, []string{"method"}),
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BuildInfo: prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: Subsystem,
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Name: "build_info",
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Help: "Build Information",
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}, []string{"version"}),
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}
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// Initialize the metrics with 0
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m.Requests.WithLabelValues("GET").Add(0)
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m.Errors.WithLabelValues("GET").Add(0)
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_ = prometheus.Register(m.Requests)
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_ = prometheus.Register(m.Errors)
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_ = prometheus.Register(m.Duration)
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_ = prometheus.Register(m.BuildInfo)
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return m
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}
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