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default back to original summary behavior due to prom version bump

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Han Kang 2019-10-24 12:45:25 -07:00 committed by Wenjia Zhang
parent 660b17d0ae
commit 454a339f3a
1 changed files with 13 additions and 1 deletions
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14
staging/src/k8s.io/component-base/metrics/opts.go
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@ -205,16 +205,28 @@ func (o *SummaryOpts) annotateStabilityLevel() {
})
}
// Deprecated: DefObjectives will not be used as the default objectives in
// v1.0.0 of the library. The default Summary will have no quantiles then.
var (
defObjectives = map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001}
)
// convenience function to allow easy transformation to the prometheus
// counterpart. This will do more once we have a proper label abstraction
func (o SummaryOpts) toPromSummaryOpts() prometheus.SummaryOpts {
// we need to retain existing quantile behavior for backwards compatibility,
// so let's do what prometheus used to do prior to v1.
objectives := o.Objectives
if objectives == nil {
objectives = defObjectives
}
return prometheus.SummaryOpts{
Namespace: o.Namespace,
Subsystem: o.Subsystem,
Name: o.Name,
Help: o.Help,
ConstLabels: o.ConstLabels,
Objectives: o.Objectives,
Objectives: objectives,
MaxAge: o.MaxAge,
AgeBuckets: o.AgeBuckets,
BufCap: o.BufCap,