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dbef5ded15
This exposes bandwidth metrics via async callback to avoid allocating/reporting metrics on any hot-paths. I'm using open telemetry as we've already setup a bridge for F3 and opencensus is deprecated in favor of open telemetry (so we're going to slowly move over anyways).
22 lines
776 B
Go
22 lines
776 B
Go
package metrics
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import (
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/exporters/prometheus"
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"go.opentelemetry.io/otel/sdk/metric"
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)
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func init() {
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// Set up otel to prometheus reporting so that F3 metrics are reported via lotus
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// prometheus metrics. This bridge eventually gets picked up by opencensus
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// exporter as HTTP handler. This by default registers an otel collector against
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// the global prometheus registry. In the future, we should clean up metrics in
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// Lotus and move it all to use otel. For now, bridge away.
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if bridge, err := prometheus.New(); err != nil {
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log.Errorf("could not create the otel prometheus exporter: %v", err)
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} else {
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provider := metric.NewMeterProvider(metric.WithReader(bridge))
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otel.SetMeterProvider(provider)
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}
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}
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