dragonfly/cdn/metrics/metrics.go

74 lines
2.2 KiB
Go

/*
* Copyright 2020 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package metrics
import (
"net/http"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
"google.golang.org/grpc"
"d7y.io/dragonfly/v2/cdn/config"
"d7y.io/dragonfly/v2/internal/constants"
)
// Variables declared for metrics.
var (
DownloadCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.CDNMetricsName,
Name: "download_total",
Help: "Counter of the number of the downloading.",
})
DownloadFailureCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.CDNMetricsName,
Name: "download_failure_total",
Help: "Counter of the number of failed of the downloading.",
})
DownloadTraffic = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.CDNMetricsName,
Name: "download_traffic",
Help: "Counter of the number of download traffic.",
})
ConcurrentDownloadGauge = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.CDNMetricsName,
Name: "concurrent_download_total",
Help: "Gauger of the number of concurrent of the downloading.",
})
)
func New(cfg *config.RestConfig, grpcServer *grpc.Server) *http.Server {
grpc_prometheus.Register(grpcServer)
mux := http.NewServeMux()
mux.Handle("/metrics", promhttp.Handler())
return &http.Server{
Addr: cfg.Addr,
Handler: mux,
}
}