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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package metrics | ||
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| import ( | ||
| "time" | ||
|
|
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| "github.com/prometheus/client_golang/prometheus" | ||
|
|
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| "github.com/iotaledger/wasp/packages/isc" | ||
| ) | ||
|
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| type ChainSnapshotsMetricsProvider struct { | ||
| created *countAndMaxMetrics | ||
| updateDuration *prometheus.HistogramVec | ||
| createDuration *prometheus.HistogramVec | ||
| loadDuration *prometheus.HistogramVec | ||
| } | ||
|
|
||
| func newChainSnapshotsMetricsProvider() *ChainSnapshotsMetricsProvider { | ||
| return &ChainSnapshotsMetricsProvider{ | ||
| created: newCountAndMaxMetrics( | ||
| prometheus.NewCounterVec(prometheus.CounterOpts{ | ||
| Namespace: "iota_wasp", | ||
| Subsystem: "snapshots", | ||
| Name: "created", | ||
| Help: "Total number of snapshots created", | ||
| }, []string{labelNameChain}), | ||
| prometheus.NewCounterVec(prometheus.CounterOpts{ | ||
| Namespace: "iota_wasp", | ||
| Subsystem: "snapshots", | ||
| Name: "max_index", | ||
| Help: "Largest index of created snapshot", | ||
| }, []string{labelNameChain}), | ||
| ), | ||
| updateDuration: prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "iota_wasp", | ||
| Subsystem: "snapshots", | ||
| Name: "update_duration", | ||
| Help: "The duration (s) of updating available snashots list", | ||
| Buckets: execTimeBuckets, | ||
| }, []string{labelNameChain}), | ||
| createDuration: prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "iota_wasp", | ||
| Subsystem: "snapshots", | ||
| Name: "create_duration", | ||
| Help: "The duration (s) of creating snapshot and storing it in file system", | ||
| Buckets: execTimeBuckets, | ||
| }, []string{labelNameChain}), | ||
| loadDuration: prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "iota_wasp", | ||
| Subsystem: "snapshots", | ||
| Name: "load_duration", | ||
| Help: "The duration (s) of (down)loading snapshot an writing it into the store", | ||
| Buckets: execTimeBuckets, | ||
| }, []string{labelNameChain}), | ||
| } | ||
| } | ||
|
|
||
| func (p *ChainSnapshotsMetricsProvider) register(reg prometheus.Registerer) { | ||
| reg.MustRegister( | ||
| p.updateDuration, | ||
| p.createDuration, | ||
| p.loadDuration, | ||
| ) | ||
| reg.MustRegister(p.created.collectors()...) | ||
| } | ||
|
|
||
| func (p *ChainSnapshotsMetricsProvider) createForChain(chainID isc.ChainID) *ChainSnapshotsMetrics { | ||
| return newChainSnapshotsMetrics(p, chainID) | ||
| } | ||
|
|
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| type ChainSnapshotsMetrics struct { | ||
| labels prometheus.Labels | ||
| collectors *ChainSnapshotsMetricsProvider | ||
| } | ||
|
|
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| func newChainSnapshotsMetrics(collectors *ChainSnapshotsMetricsProvider, chainID isc.ChainID) *ChainSnapshotsMetrics { | ||
| labels := getChainLabels(chainID) | ||
|
|
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| // init values so they appear in prometheus | ||
| collectors.created.with(labels) | ||
| collectors.updateDuration.With(labels) | ||
| collectors.createDuration.With(labels) | ||
| collectors.loadDuration.With(labels) | ||
|
|
||
| return &ChainSnapshotsMetrics{ | ||
| collectors: collectors, | ||
| labels: labels, | ||
| } | ||
| } | ||
|
|
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| func (m *ChainSnapshotsMetrics) SnapshotsUpdated(duration time.Duration) { | ||
| m.collectors.updateDuration.With(m.labels).Observe(duration.Seconds()) | ||
| } | ||
|
|
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| func (m *ChainSnapshotsMetrics) SnapshotCreated(duration time.Duration, stateIndex uint32) { | ||
| m.collectors.createDuration.With(m.labels).Observe(duration.Seconds()) | ||
| m.collectors.created.countValue(m.labels, float64(stateIndex)) | ||
| } | ||
|
|
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| func (m *ChainSnapshotsMetrics) SnapshotLoaded(duration time.Duration) { | ||
| m.collectors.loadDuration.With(m.labels).Observe(duration.Seconds()) | ||
| } |