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69 lines
1.5 KiB
69 lines
1.5 KiB
3 years ago
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package rpc
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import (
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prom "github.com/harmony-one/harmony/api/service/prometheus"
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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prom.PromRegistry().MustRegister(
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requestCounterVec,
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requestErroredCounterVec,
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requestDurationHistVec,
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)
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}
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var (
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requestCounterVec = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "hmy",
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Subsystem: "rpc2",
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Name: "request_count",
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Help: "counters for each RPC method",
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},
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[]string{"method"},
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)
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requestErroredCounterVec = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "hmy",
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Subsystem: "rpc2",
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Name: "err_count",
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Help: "counters of errored RPC method",
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},
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[]string{"method"},
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)
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requestDurationHistVec = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "hmy",
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Subsystem: "rpc2",
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Name: "delay_histogram",
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Help: "delays histogram in seconds",
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// buckets: 50ms, 100ms, 200ms, 400ms, 800ms, 1600ms, 3200ms, +INF
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Buckets: prometheus.ExponentialBuckets(0.05, 2, 8),
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},
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[]string{"method"},
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)
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)
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func doMetricRequest(method string) *prometheus.Timer {
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pLabel := prometheus.Labels{
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"method": method,
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}
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requestCounterVec.With(pLabel).Inc()
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timer := prometheus.NewTimer(requestDurationHistVec.With(pLabel))
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return timer
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}
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func doMetricErroredRequest(method string) {
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pLabel := prometheus.Labels{
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"method": method,
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}
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requestErroredCounterVec.With(pLabel).Inc()
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}
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func doMetricDelayHist(timer *prometheus.Timer) {
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timer.ObserveDuration()
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}
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