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2 Commits

Author SHA1 Message Date
Ferran Rodenas
0e0a85f2a7 Add metrics.UnregisterMetricAndUntrackRateLimiterUsage function 
For testing purposes, we want to unregister a previously registered
rate limiter prometheus metric and stop the goroutine that updates
this metric.

Signed-off-by: Ferran Rodenas <rodenasf@vmware.com>
 2017-11-01 12:28:34 +01:00
Ferran Rodenas
a334eb1a49 Return an error if metric cannot be registered 
`prometheus.MustRegister` panics if the metric cannot be registered.
Instead, use `prometheus.Register` and return the error if the metric
cannot be registered.

Also, add tests for `RegisterMetricAndTrackRateLimiterUsage`.

Signed-off-by: Ferran Rodenas <frodenas@gmail.com>
 2017-10-09 11:05:32 +02:00