6d0ac8c561
This change makes us use the generic workqueue throughout the project in order to improve type safety and readability of the code.
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
/*
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Copyright 2015 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 podautoscaler
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import (
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"time"
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"k8s.io/client-go/util/workqueue"
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)
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// FixedItemIntervalRateLimiter limits items to a fixed-rate interval
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type FixedItemIntervalRateLimiter struct {
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interval time.Duration
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}
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var _ workqueue.TypedRateLimiter[string] = &FixedItemIntervalRateLimiter{}
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// NewFixedItemIntervalRateLimiter creates a new instance of a RateLimiter using a fixed interval
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func NewFixedItemIntervalRateLimiter(interval time.Duration) workqueue.TypedRateLimiter[string] {
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return &FixedItemIntervalRateLimiter{
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interval: interval,
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}
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}
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// When returns the interval of the rate limiter
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func (r *FixedItemIntervalRateLimiter) When(item string) time.Duration {
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return r.interval
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}
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// NumRequeues returns back how many failures the item has had
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func (r *FixedItemIntervalRateLimiter) NumRequeues(item string) int {
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return 1
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}
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// Forget indicates that an item is finished being retried.
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func (r *FixedItemIntervalRateLimiter) Forget(item string) {
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}
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// NewDefaultHPARateLimiter creates a rate limiter which limits overall (as per the
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// default controller rate limiter), as well as per the resync interval
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func NewDefaultHPARateLimiter(interval time.Duration) workqueue.TypedRateLimiter[string] {
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return NewFixedItemIntervalRateLimiter(interval)
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}
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