mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 05:40:42 +00:00
59 lines
2.3 KiB
Go
59 lines
2.3 KiB
Go
/*
|
|
Copyright 2020 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 autoscaling
|
|
|
|
// DropRoundTripHorizontalPodAutoscalerAnnotations removes any annotations used to serialize round-tripped fields from later API versions,
|
|
// and returns false if no changes were made and the original input object was returned.
|
|
// It should always be called when converting internal -> external versions, prior
|
|
// to setting any of the custom annotations:
|
|
//
|
|
// annotations, copiedAnnotations := DropRoundTripHorizontalPodAutoscalerAnnotations(externalObj.Annotations)
|
|
// externalObj.Annotations = annotations
|
|
//
|
|
// if internal.SomeField != nil {
|
|
// if !copiedAnnotations {
|
|
// externalObj.Annotations = DeepCopyStringMap(externalObj.Annotations)
|
|
// copiedAnnotations = true
|
|
// }
|
|
// externalObj.Annotations[...] = json.Marshal(...)
|
|
// }
|
|
func DropRoundTripHorizontalPodAutoscalerAnnotations(in map[string]string) (out map[string]string, copied bool) {
|
|
_, hasMetricsSpecs := in[MetricSpecsAnnotation]
|
|
_, hasBehaviorSpecs := in[BehaviorSpecsAnnotation]
|
|
_, hasMetricsStatuses := in[MetricStatusesAnnotation]
|
|
_, hasConditions := in[HorizontalPodAutoscalerConditionsAnnotation]
|
|
if hasMetricsSpecs || hasBehaviorSpecs || hasMetricsStatuses || hasConditions {
|
|
out = DeepCopyStringMap(in)
|
|
delete(out, MetricSpecsAnnotation)
|
|
delete(out, BehaviorSpecsAnnotation)
|
|
delete(out, MetricStatusesAnnotation)
|
|
delete(out, HorizontalPodAutoscalerConditionsAnnotation)
|
|
return out, true
|
|
}
|
|
return in, false
|
|
}
|
|
|
|
// DeepCopyStringMap returns a copy of the input map.
|
|
// If input is nil, an empty map is returned.
|
|
func DeepCopyStringMap(in map[string]string) map[string]string {
|
|
out := make(map[string]string, len(in))
|
|
for k, v := range in {
|
|
out[k] = v
|
|
}
|
|
return out
|
|
}
|