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package weed_server
import (
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/push"
)
var (
filerGather = prometheus.NewRegistry()
volumeServerGather = prometheus.NewRegistry()
filerRequestCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "SeaweedFS",
Subsystem: "filer",
Name: "request_total",
Help: "Counter of filer requests.",
}, []string{"type"})
filerRequestHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "SeaweedFS",
Subsystem: "filer",
Name: "request_seconds",
Help: "Bucketed histogram of filer request processing time.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
}, []string{"type"})
volumeServerRequestCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "request_total",
Help: "Counter of filer requests.",
}, []string{"type"})
volumeServerRequestHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "request_seconds",
Help: "Bucketed histogram of filer request processing time.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
}, []string{"type"})
volumeServerVolumeCounter = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "volumes",
Help: "Number of volumes.",
})
)
func init() {
filerGather.MustRegister(filerRequestCounter)
filerGather.MustRegister(filerRequestHistogram)
volumeServerGather.MustRegister(volumeServerRequestCounter)
volumeServerGather.MustRegister(volumeServerRequestHistogram)
}
func startPushingMetric(name string, gatherer *prometheus.Registry, addr string, intervalSeconds int) {
if intervalSeconds == 0 || addr == "" {
glog.V(0).Info("disable metrics reporting")
return
}
glog.V(0).Infof("push metrics to %s every %d seconds", addr, intervalSeconds)
go loopPushMetrics(name, gatherer, addr, intervalSeconds)
}
func loopPushMetrics(name string, gatherer *prometheus.Registry, addr string, intervalSeconds int) {
pusher := push.New(addr, name).Gatherer(gatherer)
for {
err := pusher.Push()
if err != nil {
glog.V(0).Infof("could not push metrics to prometheus push gateway %s: %v", addr, err)
}
time.Sleep(time.Duration(intervalSeconds) * time.Second)
}
}
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