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