mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
74 lines
4.5 KiB
Go
74 lines
4.5 KiB
Go
/*
|
|
Copyright 2018 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 options
|
|
|
|
import (
|
|
"github.com/spf13/pflag"
|
|
|
|
kubectrlmgrconfig "k8s.io/kubernetes/pkg/controller/apis/config"
|
|
)
|
|
|
|
// HPAControllerOptions holds the HPAController options.
|
|
type HPAControllerOptions struct {
|
|
*kubectrlmgrconfig.HPAControllerConfiguration
|
|
}
|
|
|
|
// AddFlags adds flags related to HPAController for controller manager to the specified FlagSet.
|
|
func (o *HPAControllerOptions) AddFlags(fs *pflag.FlagSet) {
|
|
if o == nil {
|
|
return
|
|
}
|
|
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerSyncPeriod.Duration, "horizontal-pod-autoscaler-sync-period", o.HorizontalPodAutoscalerSyncPeriod.Duration, "The period for syncing the number of pods in horizontal pod autoscaler.")
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerUpscaleForbiddenWindow.Duration, "horizontal-pod-autoscaler-upscale-delay", o.HorizontalPodAutoscalerUpscaleForbiddenWindow.Duration, "The period since last upscale, before another upscale can be performed in horizontal pod autoscaler.")
|
|
fs.MarkDeprecated("horizontal-pod-autoscaler-upscale-delay", "This flag is currently no-op and will be deleted.")
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerDownscaleStabilizationWindow.Duration, "horizontal-pod-autoscaler-downscale-stabilization", o.HorizontalPodAutoscalerDownscaleStabilizationWindow.Duration, "The period for which autoscaler will look backwards and not scale down below any recommendation it made during that period.")
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerDownscaleForbiddenWindow.Duration, "horizontal-pod-autoscaler-downscale-delay", o.HorizontalPodAutoscalerDownscaleForbiddenWindow.Duration, "The period since last downscale, before another downscale can be performed in horizontal pod autoscaler.")
|
|
fs.MarkDeprecated("horizontal-pod-autoscaler-downscale-delay", "This flag is currently no-op and will be deleted.")
|
|
fs.Float64Var(&o.HorizontalPodAutoscalerTolerance, "horizontal-pod-autoscaler-tolerance", o.HorizontalPodAutoscalerTolerance, "The minimum change (from 1.0) in the desired-to-actual metrics ratio for the horizontal pod autoscaler to consider scaling.")
|
|
fs.BoolVar(&o.HorizontalPodAutoscalerUseRESTClients, "horizontal-pod-autoscaler-use-rest-clients", o.HorizontalPodAutoscalerUseRESTClients, "If set to true, causes the horizontal pod autoscaler controller to use REST clients through the kube-aggregator, instead of using the legacy metrics client through the API server proxy. This is required for custom metrics support in the horizontal pod autoscaler.")
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerCPUInitializationPeriod.Duration, "horizontal-pod-autoscaler-cpu-initialization-period", o.HorizontalPodAutoscalerCPUInitializationPeriod.Duration, "The period after pod start when CPU samples might be skipped.")
|
|
fs.MarkDeprecated("horizontal-pod-autoscaler-use-rest-clients", "Heapster is no longer supported as a source for Horizontal Pod Autoscaler metrics.")
|
|
fs.DurationVar(&o.HorizontalPodAutoscalerInitialReadinessDelay.Duration, "horizontal-pod-autoscaler-initial-readiness-delay", o.HorizontalPodAutoscalerInitialReadinessDelay.Duration, "The period after pod start during which readiness changes will be treated as initial readiness.")
|
|
}
|
|
|
|
// ApplyTo fills up HPAController config with options.
|
|
func (o *HPAControllerOptions) ApplyTo(cfg *kubectrlmgrconfig.HPAControllerConfiguration) error {
|
|
if o == nil {
|
|
return nil
|
|
}
|
|
|
|
cfg.HorizontalPodAutoscalerSyncPeriod = o.HorizontalPodAutoscalerSyncPeriod
|
|
cfg.HorizontalPodAutoscalerDownscaleStabilizationWindow = o.HorizontalPodAutoscalerDownscaleStabilizationWindow
|
|
cfg.HorizontalPodAutoscalerTolerance = o.HorizontalPodAutoscalerTolerance
|
|
cfg.HorizontalPodAutoscalerUseRESTClients = o.HorizontalPodAutoscalerUseRESTClients
|
|
cfg.HorizontalPodAutoscalerCPUInitializationPeriod = o.HorizontalPodAutoscalerCPUInitializationPeriod
|
|
cfg.HorizontalPodAutoscalerInitialReadinessDelay = o.HorizontalPodAutoscalerInitialReadinessDelay
|
|
|
|
return nil
|
|
}
|
|
|
|
// Validate checks validation of HPAControllerOptions.
|
|
func (o *HPAControllerOptions) Validate() []error {
|
|
if o == nil {
|
|
return nil
|
|
}
|
|
|
|
errs := []error{}
|
|
return errs
|
|
}
|