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package stats
import (
"fmt"
"os"
"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"})
FilerStoreCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "SeaweedFS",
Subsystem: "filerStore",
Name: "request_total",
Help: "Counter of filer store requests.",
}, []string{"store", "type"})
FilerStoreHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "SeaweedFS",
Subsystem: "filerStore",
Name: "request_seconds",
Help: "Bucketed histogram of filer store request processing time.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
}, []string{"store", "type"})
VolumeServerRequestCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "request_total",
Help: "Counter of volume server requests.",
}, []string{"type"})
VolumeServerRequestHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "request_seconds",
Help: "Bucketed histogram of volume server request processing time.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
}, []string{"type"})
VolumeServerVolumeCounter = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "volumes",
Help: "Number of volumes or shards.",
}, []string{"collection", "type"})
VolumeServerMaxVolumeCounter = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "max_volumes",
Help: "Maximum number of volumes.",
})
VolumeServerDiskSizeGauge = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "SeaweedFS",
Subsystem: "volumeServer",
Name: "total_disk_size",
Help: "Actual disk size used by volumes.",
}, []string{"collection", "type"})
)
func init() {
FilerGather.MustRegister(FilerRequestCounter)
FilerGather.MustRegister(FilerRequestHistogram)
FilerGather.MustRegister(FilerStoreCounter)
FilerGather.MustRegister(FilerStoreHistogram)
FilerGather.MustRegister(prometheus.NewGoCollector())
VolumeServerGather.MustRegister(VolumeServerRequestCounter)
VolumeServerGather.MustRegister(VolumeServerRequestHistogram)
VolumeServerGather.MustRegister(VolumeServerVolumeCounter)
VolumeServerGather.MustRegister(VolumeServerMaxVolumeCounter)
VolumeServerGather.MustRegister(VolumeServerDiskSizeGauge)
}
func LoopPushingMetric(name, instance string, gatherer *prometheus.Registry, fnGetMetricsDest func() (addr string, intervalSeconds int)) {
if fnGetMetricsDest == nil {
return
}
addr, intervalSeconds := fnGetMetricsDest()
pusher := push.New(addr, name).Gatherer(gatherer).Grouping("instance", instance)
currentAddr := addr
for {
if currentAddr != "" {
err := pusher.Push()
if err != nil {
glog.V(0).Infof("could not push metrics to prometheus push gateway %s: %v", addr, err)
}
}
if intervalSeconds <= 0 {
intervalSeconds = 15
}
time.Sleep(time.Duration(intervalSeconds) * time.Second)
addr, intervalSeconds = fnGetMetricsDest()
if currentAddr != addr {
pusher = push.New(addr, name).Gatherer(gatherer).Grouping("instance", instance)
currentAddr = addr
}
}
}
func SourceName(port int) string {
hostname, err := os.Hostname()
if err != nil {
return "unknown"
}
return fmt.Sprintf("%s:%d", hostname, port)
}
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