mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-18 19:10:21 +00:00
54 lines
1.8 KiB
Go
54 lines
1.8 KiB
Go
/*
|
|
Copyright 2022 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
// DefBuckets is a wrapper for prometheus.DefBuckets
|
|
var DefBuckets = prometheus.DefBuckets
|
|
|
|
// LinearBuckets is a wrapper for prometheus.LinearBuckets.
|
|
func LinearBuckets(start, width float64, count int) []float64 {
|
|
return prometheus.LinearBuckets(start, width, count)
|
|
}
|
|
|
|
// ExponentialBuckets is a wrapper for prometheus.ExponentialBuckets.
|
|
func ExponentialBuckets(start, factor float64, count int) []float64 {
|
|
return prometheus.ExponentialBuckets(start, factor, count)
|
|
}
|
|
|
|
// ExponentialBucketsRange creates 'count' buckets, where the lowest bucket is
|
|
// 'min' and the highest bucket is 'max'. The final +Inf bucket is not counted
|
|
// and not included in the returned slice. The returned slice is meant to be
|
|
// used for the Buckets field of HistogramOpts.
|
|
//
|
|
// The function panics if 'count' is 0 or negative, if 'min' is 0 or negative.
|
|
func ExponentialBucketsRange(min, max float64, count int) []float64 {
|
|
return prometheus.ExponentialBucketsRange(min, max, count)
|
|
}
|
|
|
|
// MergeBuckets merges buckets together
|
|
func MergeBuckets(buckets ...[]float64) []float64 {
|
|
result := make([]float64, 1)
|
|
for _, s := range buckets {
|
|
result = append(result, s...)
|
|
}
|
|
return result
|
|
}
|