mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-26 03:31:07 +02:00
224 lines
6.6 KiB
Go
224 lines
6.6 KiB
Go
package stats
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import (
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"fmt"
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"log"
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"net"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/prometheus/client_golang/prometheus/push"
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)
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var (
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Gather = prometheus.NewRegistry()
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MasterClientConnectCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "wdclient",
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Name: "connect_updates",
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Help: "Counter of master client leader updates.",
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}, []string{"type"})
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MasterRaftIsleader = prometheus.NewGauge(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "master",
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Name: "is_leader",
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Help: "is leader",
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})
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MasterReceivedHeartbeatCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "master",
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Name: "received_heartbeats",
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Help: "Counter of master received heartbeat.",
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}, []string{"type"})
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MasterLeaderChangeCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "master",
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Name: "leader_changes",
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Help: "Counter of master leader changes.",
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}, []string{"type"})
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FilerRequestCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "filer",
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Name: "request_total",
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Help: "Counter of filer requests.",
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}, []string{"type"})
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FilerRequestHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "SeaweedFS",
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Subsystem: "filer",
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Name: "request_seconds",
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Help: "Bucketed histogram of filer request processing time.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
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}, []string{"type"})
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FilerStoreCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "filerStore",
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Name: "request_total",
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Help: "Counter of filer store requests.",
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}, []string{"store", "type"})
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FilerStoreHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "SeaweedFS",
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Subsystem: "filerStore",
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Name: "request_seconds",
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Help: "Bucketed histogram of filer store request processing time.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
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}, []string{"store", "type"})
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VolumeServerRequestCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "request_total",
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Help: "Counter of volume server requests.",
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}, []string{"type"})
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VolumeServerRequestHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "request_seconds",
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Help: "Bucketed histogram of volume server request processing time.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
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}, []string{"type"})
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VolumeServerVolumeCounter = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "volumes",
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Help: "Number of volumes or shards.",
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}, []string{"collection", "type"})
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VolumeServerReadOnlyVolumeGauge = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "read_only_volumes",
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Help: "Number of read only volumes.",
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}, []string{"collection", "type"})
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VolumeServerMaxVolumeCounter = prometheus.NewGauge(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "max_volumes",
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Help: "Maximum number of volumes.",
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})
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VolumeServerDiskSizeGauge = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "total_disk_size",
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Help: "Actual disk size used by volumes.",
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}, []string{"collection", "type"})
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VolumeServerResourceGauge = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: "SeaweedFS",
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Subsystem: "volumeServer",
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Name: "resource",
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Help: "Resource usage",
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}, []string{"name", "type"})
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S3RequestCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "SeaweedFS",
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Subsystem: "s3",
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Name: "request_total",
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Help: "Counter of s3 requests.",
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}, []string{"type", "code"})
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S3RequestHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "SeaweedFS",
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Subsystem: "s3",
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Name: "request_seconds",
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Help: "Bucketed histogram of s3 request processing time.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
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}, []string{"type"})
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)
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func init() {
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Gather.MustRegister(MasterClientConnectCounter)
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Gather.MustRegister(MasterRaftIsleader)
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Gather.MustRegister(MasterReceivedHeartbeatCounter)
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Gather.MustRegister(MasterLeaderChangeCounter)
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Gather.MustRegister(FilerRequestCounter)
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Gather.MustRegister(FilerRequestHistogram)
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Gather.MustRegister(FilerStoreCounter)
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Gather.MustRegister(FilerStoreHistogram)
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Gather.MustRegister(collectors.NewGoCollector())
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Gather.MustRegister(collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}))
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Gather.MustRegister(VolumeServerRequestCounter)
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Gather.MustRegister(VolumeServerRequestHistogram)
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Gather.MustRegister(VolumeServerVolumeCounter)
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Gather.MustRegister(VolumeServerMaxVolumeCounter)
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Gather.MustRegister(VolumeServerReadOnlyVolumeGauge)
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Gather.MustRegister(VolumeServerDiskSizeGauge)
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Gather.MustRegister(VolumeServerResourceGauge)
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Gather.MustRegister(S3RequestCounter)
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Gather.MustRegister(S3RequestHistogram)
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}
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func LoopPushingMetric(name, instance, addr string, intervalSeconds int) {
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if addr == "" || intervalSeconds == 0 {
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return
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}
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glog.V(0).Infof("%s server sends metrics to %s every %d seconds", name, addr, intervalSeconds)
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pusher := push.New(addr, name).Gatherer(Gather).Grouping("instance", instance)
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for {
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err := pusher.Push()
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if err != nil && !strings.HasPrefix(err.Error(), "unexpected status code 200") {
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glog.V(0).Infof("could not push metrics to prometheus push gateway %s: %v", addr, err)
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}
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if intervalSeconds <= 0 {
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intervalSeconds = 15
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}
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time.Sleep(time.Duration(intervalSeconds) * time.Second)
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}
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}
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func StartMetricsServer(port int) {
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if port == 0 {
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return
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}
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http.Handle("/metrics", promhttp.HandlerFor(Gather, promhttp.HandlerOpts{}))
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log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), nil))
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}
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func SourceName(port uint32) string {
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hostname, err := os.Hostname()
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if err != nil {
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return "unknown"
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}
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return net.JoinHostPort(hostname, strconv.Itoa(int(port)))
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}
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