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metrics.go
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metrics.go
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/*
* 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"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
"d7y.io/dragonfly/v2/internal/constants"
)
const (
// Failed download task type is P2P
FailTypeP2P = "p2p"
// Failed download task type is source
FailTypeBackSource = "source"
// SeedPeerDownload type is p2p
SeedPeerDownloadTypeP2P = "p2p"
// SeedPeerDownload type is back-to-source
SeedPeerDownloadTypeBackToSource = "back_to_source"
)
var (
ProxyRequestCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "proxy_request_total",
Help: "Counter of the total proxy request.",
}, []string{"method"})
ProxyRequestViaDragonflyCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "proxy_request_via_dragonfly_total",
Help: "Counter of the total proxy request via Dragonfly.",
})
ProxyRequestNotViaDragonflyCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "proxy_request_not_via_dragonfly_total",
Help: "Counter of the total proxy request not via Dragonfly.",
})
ProxyRequestRunningCount = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "proxy_request_running_total",
Help: "Current running count of proxy request.",
}, []string{"method"})
ProxyRequestBytesCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "proxy_request_bytes_total",
Help: "Counter of the total byte of all proxy request.",
}, []string{"method"})
PeerTaskCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "peer_task_total",
Help: "Counter of the total peer tasks.",
})
PeerTaskFailedCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "peer_task_failed_total",
Help: "Counter of the total failed peer tasks.",
}, []string{"type"})
PieceTaskCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "piece_task_total",
Help: "Counter of the total failed piece tasks.",
})
PieceTaskFailedCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "piece_task_failed_total",
Help: "Counter of the total failed piece tasks.",
})
FileTaskCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "file_task_total",
Help: "Counter of the total file tasks.",
})
StreamTaskCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "stream_task_total",
Help: "Counter of the total stream tasks.",
})
SeedPeerDownloadCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "seed_peer_download_total",
Help: "Counter of the number of the seed peer downloading.",
})
SeedPeerDownloadFailureCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "seed_peer_download_failure_total",
Help: "Counter of the number of failed of the seed peer downloading.",
})
SeedPeerDownloadTraffic = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "seed_peer_download_traffic",
Help: "Counter of the number of seed peer download traffic.",
}, []string{"type"})
SeedPeerConcurrentDownloadGauge = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "seed_peer_concurrent_download_total",
Help: "Gauger of the number of concurrent of the seed peer downloading.",
})
PeerTaskCacheHitCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "peer_task_cache_hit_total",
Help: "Counter of the total cache hit peer tasks.",
})
PrefetchTaskCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: constants.MetricsNamespace,
Subsystem: constants.DfdaemonMetricsName,
Name: "prefetch_task_total",
Help: "Counter of the total prefetched tasks.",
})
)
func New(addr string) *http.Server {
mux := http.NewServeMux()
mux.Handle("/metrics", promhttp.Handler())
return &http.Server{
Addr: addr,
Handler: mux,
}
}