tree f036aa54df6790ba7496bc5f2966aa6e8593dd43
parent 8176bd3bf02641480aa57900d370148cff889042
author Jonathan Amsterdam <jba@google.com> 1621014566 -0400
committer Jonathan Amsterdam <jba@google.com> 1643838117 +0000

event/otel: metrics

Add an event handler for OpenTelemetry metrics.

The first time it sees an event.Metric, the handler creates a matching
otel instrument and caches it. On each call, it uses the instrument to
record the metric value.

Change-Id: I07d6f40601c7d2a801ed9fbe3cf7c24d5698f3f1
Reviewed-on: https://go-review.googlesource.com/c/exp/+/320350
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>