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ceph-csi/vendor/go.etcd.io/etcd/client/v3/utils.go
dependabot[bot] 07b05616a0 rebase: bump k8s.io/kubernetes from 1.26.2 to 1.27.2
Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2.
- [Release notes](https://github.com/kubernetes/kubernetes/releases)
- [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2)

---
updated-dependencies:
- dependency-name: k8s.io/kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2023-06-06 12:21:43 +00:00

32 lines
1.1 KiB
Go

// Copyright 2018 The etcd 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 clientv3
import (
"math/rand"
"time"
)
// jitterUp adds random jitter to the duration.
//
// This adds or subtracts time from the duration within a given jitter fraction.
// For example for 10s and jitter 0.1, it will return a time within [9s, 11s])
//
// Reference: https://godoc.org/github.com/grpc-ecosystem/go-grpc-middleware/util/backoffutils
func jitterUp(duration time.Duration, jitter float64) time.Duration {
multiplier := jitter * (rand.Float64()*2 - 1)
return time.Duration(float64(duration) * (1 + multiplier))
}