mirror of
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48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package backendplugin
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import (
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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var (
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pluginRequestCounter *prometheus.CounterVec
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pluginRequestDuration *prometheus.SummaryVec
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)
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func init() {
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pluginRequestCounter = prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: "grafana",
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Name: "plugin_request_total",
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Help: "The total amount of plugin requests",
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}, []string{"plugin_id", "endpoint", "status"})
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pluginRequestDuration = prometheus.NewSummaryVec(prometheus.SummaryOpts{
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Namespace: "grafana",
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Name: "plugin_request_duration_milliseconds",
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Help: "Plugin request duration",
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Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
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}, []string{"plugin_id", "endpoint"})
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prometheus.MustRegister(pluginRequestCounter, pluginRequestDuration)
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}
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// InstrumentPluginRequest instruments success rate and latency of `fn`
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func InstrumentPluginRequest(pluginID string, endpoint string, fn func() error) error {
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status := "ok"
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start := time.Now()
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err := fn()
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if err != nil {
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status = "error"
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}
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elapsed := time.Since(start) / time.Millisecond
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pluginRequestDuration.WithLabelValues(pluginID, endpoint).Observe(float64(elapsed))
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pluginRequestCounter.WithLabelValues(pluginID, endpoint, status).Inc()
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return err
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}
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