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324 lines
10 KiB
324 lines
10 KiB
package stats
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import (
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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/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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"github.com/seaweedfs/seaweedfs/weed/glog"
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)
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// Readonly volume types
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const (
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Namespace = "SeaweedFS"
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IsReadOnly = "IsReadOnly"
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NoWriteOrDelete = "noWriteOrDelete"
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NoWriteCanDelete = "noWriteCanDelete"
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IsDiskSpaceLow = "isDiskSpaceLow"
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)
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var readOnlyVolumeTypes = [4]string{IsReadOnly, NoWriteOrDelete, NoWriteCanDelete, IsDiskSpaceLow}
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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: Namespace,
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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: Namespace,
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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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MasterAdminLock = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: "master",
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Name: "admin_lock",
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Help: "admin lock",
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}, []string{"client"})
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MasterReceivedHeartbeatCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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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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MasterReplicaPlacementMismatch = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: "master",
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Name: "replica_placement_mismatch",
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Help: "replica placement mismatch",
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}, []string{"collection", "id"})
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MasterLeaderChangeCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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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: Namespace,
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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: Namespace,
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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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FilerServerLastSendTsOfSubscribeGauge = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: "filer",
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Name: "last_send_timestamp_of_subscribe",
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Help: "The last send timestamp of the filer subscription.",
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}, []string{"sourceFiler", "clientName", "path"})
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FilerStoreCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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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: Namespace,
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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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FilerSyncOffsetGauge = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: "filerSync",
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Name: "sync_offset",
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Help: "The offset of the filer synchronization service.",
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}, []string{"sourceFiler", "targetFiler", "clientName", "path"})
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VolumeServerRequestCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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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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VolumeServerVacuumingCompactCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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Subsystem: "volumeServer",
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Name: "vacuuming_compact_count",
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Help: "Counter of volume vacuuming Compact counter",
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}, []string{"success"})
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VolumeServerVacuumingCommitCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: Namespace,
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Subsystem: "volumeServer",
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Name: "vacuuming_commit_count",
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Help: "Counter of volume vacuuming commit counter",
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}, []string{"success"})
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VolumeServerVacuumingHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: Namespace,
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Subsystem: "volumeServer",
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Name: "vacuuming_seconds",
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Help: "Bucketed histogram of volume server vacuuming processing time.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
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}, []string{"type"})
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VolumeServerRequestHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: Namespace,
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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: Namespace,
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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: Namespace,
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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: Namespace,
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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: Namespace,
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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: Namespace,
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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: Namespace,
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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", "bucket"})
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S3RequestHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: Namespace,
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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", "bucket"})
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S3TimeToFirstByteHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: Namespace,
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Subsystem: "s3",
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Name: "time_to_first_byte_millisecond",
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Help: "Bucketed histogram of s3 time to first byte request processing time.",
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Buckets: prometheus.ExponentialBuckets(0.001, 2, 27),
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}, []string{"type", "bucket"})
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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(MasterAdminLock)
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Gather.MustRegister(MasterReceivedHeartbeatCounter)
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Gather.MustRegister(MasterLeaderChangeCounter)
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Gather.MustRegister(MasterReplicaPlacementMismatch)
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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(FilerSyncOffsetGauge)
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Gather.MustRegister(FilerServerLastSendTsOfSubscribeGauge)
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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(VolumeServerVacuumingCompactCounter)
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Gather.MustRegister(VolumeServerVacuumingCommitCounter)
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Gather.MustRegister(VolumeServerVacuumingHistogram)
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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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Gather.MustRegister(S3TimeToFirstByteHistogram)
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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 JoinHostPort(host string, port int) string {
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portStr := strconv.Itoa(port)
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if strings.HasPrefix(host, "[") && strings.HasSuffix(host, "]") {
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return host + ":" + portStr
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}
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return net.JoinHostPort(host, portStr)
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}
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func StartMetricsServer(ip string, 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(JoinHostPort(ip, 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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// todo - can be changed to DeletePartialMatch when https://github.com/prometheus/client_golang/pull/1013 gets released
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func DeleteCollectionMetrics(collection string) {
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VolumeServerDiskSizeGauge.DeleteLabelValues(collection, "normal")
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for _, volume_type := range readOnlyVolumeTypes {
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VolumeServerReadOnlyVolumeGauge.DeleteLabelValues(collection, volume_type)
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}
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VolumeServerVolumeCounter.DeleteLabelValues(collection, "volume")
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}
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