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package proxy
import (
"github.com/coredns/coredns/plugin"
"github.com/prometheus/client_golang/prometheus"
)
// Metrics the proxy plugin exports.
var (
RequestCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "proxy",
Name: "request_count_total",
Help: "Counter of requests made per protocol, proxy protocol, family and upstream.",
}, []string{"server", "proto", "proxy_proto", "family", "to"})
RequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: plugin.Namespace,
Subsystem: "proxy",
Name: "request_duration_seconds",
Buckets: plugin.TimeBuckets,
Help: "Histogram of the time (in seconds) each request took.",
}, []string{"server", "proto", "proxy_proto", "family", "to"})
)
// familyToString returns the string form of either 1, or 2. Returns
// empty string is not a known family
func familyToString(f int) string {
if f == 1 {
return "1"
}
if f == 2 {
return "2"
}
return ""
}
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