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91 lines
3.3 KiB
91 lines
3.3 KiB
package statesync
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import (
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/discard"
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"github.com/go-kit/kit/metrics/prometheus"
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stdprometheus "github.com/prometheus/client_golang/prometheus"
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)
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const (
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// MetricsSubsystem is a subsystem shared by all metrics exposed by this package.
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MetricsSubsystem = "statesync"
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)
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// Metrics contains metrics exposed by this package.
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type Metrics struct {
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TotalSnapshots metrics.Counter
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ChunkProcessAvgTime metrics.Gauge
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SnapshotHeight metrics.Gauge
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SnapshotChunk metrics.Counter
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SnapshotChunkTotal metrics.Gauge
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BackFilledBlocks metrics.Counter
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BackFillBlocksTotal metrics.Gauge
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}
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// PrometheusMetrics returns Metrics build using Prometheus client library.
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// Optionally, labels can be provided along with their values ("foo",
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// "fooValue").
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func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics {
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labels := []string{}
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for i := 0; i < len(labelsAndValues); i += 2 {
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labels = append(labels, labelsAndValues[i])
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}
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return &Metrics{
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TotalSnapshots: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "total_snapshots",
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Help: "The total number of snapshots discovered.",
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}, labels).With(labelsAndValues...),
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ChunkProcessAvgTime: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "chunk_process_avg_time",
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Help: "The average processing time per chunk.",
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}, labels).With(labelsAndValues...),
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SnapshotHeight: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "snapshot_height",
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Help: "The height of the current snapshot the has been processed.",
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}, labels).With(labelsAndValues...),
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SnapshotChunk: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "snapshot_chunk",
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Help: "The current number of chunks that have been processed.",
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}, labels).With(labelsAndValues...),
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SnapshotChunkTotal: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "snapshot_chunks_total",
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Help: "The total number of chunks in the current snapshot.",
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}, labels).With(labelsAndValues...),
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BackFilledBlocks: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "backfilled_blocks",
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Help: "The current number of blocks that have been back-filled.",
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}, labels).With(labelsAndValues...),
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BackFillBlocksTotal: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "backfilled_blocks_total",
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Help: "The total number of blocks that need to be back-filled.",
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}, labels).With(labelsAndValues...),
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}
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}
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// NopMetrics returns no-op Metrics.
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func NopMetrics() *Metrics {
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return &Metrics{
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TotalSnapshots: discard.NewCounter(),
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ChunkProcessAvgTime: discard.NewGauge(),
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SnapshotHeight: discard.NewGauge(),
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SnapshotChunk: discard.NewCounter(),
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SnapshotChunkTotal: discard.NewGauge(),
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BackFilledBlocks: discard.NewCounter(),
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BackFillBlocksTotal: discard.NewGauge(),
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}
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}
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