caddy/metrics.go

33 lines
1.0 KiB
Go

package caddy
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
// define and register the metrics used in this package.
func init() {
prometheus.MustRegister(prometheus.NewBuildInfoCollector())
const ns, sub = "caddy", "admin"
adminMetrics.requestCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: ns,
Subsystem: sub,
Name: "http_requests_total",
Help: "Counter of requests made to the Admin API's HTTP endpoints.",
}, []string{"handler", "path", "code", "method"})
adminMetrics.requestErrors = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: ns,
Subsystem: sub,
Name: "http_request_errors_total",
Help: "Number of requests resulting in middleware errors.",
}, []string{"handler", "path", "method"})
}
// adminMetrics is a collection of metrics that can be tracked for the admin API.
var adminMetrics = struct {
requestCount *prometheus.CounterVec
requestErrors *prometheus.CounterVec
}{}