mirror of https://github.com/status-im/go-waku.git
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package dnsdisc
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import (
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"github.com/libp2p/go-libp2p/p2p/metricshelper"
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"github.com/prometheus/client_golang/prometheus"
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)
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var dnsDiscoveredNodes = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "waku_dnsdisc_discovered",
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Help: "The number of nodes discovered via DNS discovery",
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},
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)
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var dnsDiscoveryErrors = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "waku_dnsdisc_errors",
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Help: "The distribution of the dns discovery protocol errors",
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},
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[]string{"error_type"},
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)
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var collectors = []prometheus.Collector{
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dnsDiscoveredNodes,
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dnsDiscoveryErrors,
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}
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// Metrics exposes the functions required to update prometheus metrics for dnsdisc protocol
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type Metrics interface {
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RecordDiscoveredNodes(numNodes int)
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RecordError(err metricsErrCategory)
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}
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type metricsImpl struct {
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reg prometheus.Registerer
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}
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func newMetrics(reg prometheus.Registerer) Metrics {
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metricshelper.RegisterCollectors(reg, collectors...)
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return &metricsImpl{
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reg: reg,
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}
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}
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type metricsErrCategory string
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var (
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treeSyncFailure metricsErrCategory = "tree_sync_failure"
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peerInfoFailure metricsErrCategory = "peer_info_failure"
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)
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// RecordError increases the counter for different error types
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func (m *metricsImpl) RecordError(err metricsErrCategory) {
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dnsDiscoveryErrors.WithLabelValues(string(err)).Inc()
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}
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func (m *metricsImpl) RecordDiscoveredNodes(numNodes int) {
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dnsDiscoveredNodes.Add(float64(numNodes))
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}
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