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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"
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/pkg/types"
"d7y.io/dragonfly/v2/trainer/config"
"d7y.io/dragonfly/v2/version"
)
// Variables declared for metrics.
var (
TrainCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: types.MetricsNamespace,
Subsystem: types.TrainerMetricsName,
Name: "training_total",
Help: "Counter of the number of the training.",
})
TrainFailureCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: types.MetricsNamespace,
Subsystem: types.TrainerMetricsName,
Name: "training_failure_total",
Help: "Counter of the number of failed of the training.",
})
VersionGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: types.MetricsNamespace,
Subsystem: types.TrainerMetricsName,
Name: "version",
Help: "Version info of the service.",
}, []string{"major", "minor", "git_version", "git_commit", "platform", "build_time", "go_version", "go_tags", "go_gcflags"})
)
func New(cfg *config.MetricsConfig, svr *grpc.Server) *http.Server {
grpc_prometheus.Register(svr)
mux := http.NewServeMux()
mux.Handle("/metrics", promhttp.Handler())
VersionGauge.WithLabelValues(version.Major, version.Minor, version.GitVersion, version.GitCommit, version.Platform, version.BuildTime, version.GoVersion, version.Gotags, version.Gogcflags).Set(1)
return &http.Server{
Addr: cfg.Addr,
Handler: mux,
}
}