705589bbe1
Make sure we don't say measurement in metrics. See https://github.com/ooni/probe/issues/2183#issuecomment-1230327725
44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
package main
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//
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// Metrics definitions
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//
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// See https://github.com/ooni/probe/issues/2183#issuecomment-1230327725
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//
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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var (
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// metricRequestsCount counts the number of requests we served.
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metricRequestsCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Name: "oohelperd_requests_count",
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Help: "Total number of processed requests",
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}, []string{"code", "reason"})
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// metricRequestsInflight gauges the number of requests currently inflight.
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metricRequestsInflight = promauto.NewGauge(prometheus.GaugeOpts{
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Name: "oohelperd_requests_inflight_gauge",
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Help: "The number or requests currently inflight",
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})
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// metricWCTaskDurationSeconds summarizes the duration of the web connectivity measurement task.
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metricWCTaskDurationSeconds = promauto.NewSummary(prometheus.SummaryOpts{
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Name: "oohelperd_wctask_duration_seconds",
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Help: "Summarizes the time to complete the Web Connectivity measurement task (in seconds)",
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// See https://grafana.com/blog/2022/03/01/how-summary-metrics-work-in-prometheus/
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//
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// TODO(bassosimone,FedericoCeratto): investigate whether using
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// a shorter-than-10m observation interval is better for us
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Objectives: map[float64]float64{
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0.25: 0.010, // 0.240 <= φ <= 0.260
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0.5: 0.010, // 0.490 <= φ <= 0.510
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0.75: 0.010, // 0.740 <= φ <= 0.760
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0.9: 0.010, // 0.899 <= φ <= 0.901
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0.99: 0.001, // 0.989 <= φ <= 0.991
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},
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})
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)
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