replicas

package

v0.11.0 Latest Latest Go to latest Published: Jul 25, 2023 License: Apache-2.0, BSD-2-Clause Imports: 24 Imported by: 0

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Repository

github.com/gocrane/crane

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Documentation ¶

Index ¶

func NewReplicasRecommender(recommender apis.Recommender, ...) (recommender.Recommender, error)
type PatchReplicas
type PatchReplicasSpec
type ReplicasRecommender

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NewReplicasRecommender ¶

func NewReplicasRecommender(recommender apis.Recommender, recommendationRule analysisv1alph1.RecommendationRule) (recommender.Recommender, error)

NewReplicasRecommender create a new replicas recommender.

Types ¶

type PatchReplicas ¶ added in v0.8.0

type PatchReplicas struct {
	Spec PatchReplicasSpec `json:"spec,omitempty"`
}

type PatchReplicasSpec ¶ added in v0.8.0

type PatchReplicasSpec struct {
	Replicas *int32 `json:"replicas,omitempty"`
}

type ReplicasRecommender ¶

type ReplicasRecommender struct {
	base.BaseRecommender
	WorkloadMinReplicas  int64
	PodMinReadySeconds   int64
	PodAvailableRatio    float64
	CpuPercentile        float64
	MemPercentile        float64
	DefaultMinReplicas   int64
	CPUTargetUtilization float64
	MemTargetUtilization float64
}

func (*ReplicasRecommender) CheckDataProviders ¶

func (rr *ReplicasRecommender) CheckDataProviders(ctx *framework.RecommendationContext) error

CheckDataProviders in PrePrepare phase, will create data source provider via your recommendation config.

func (*ReplicasRecommender) CollectData ¶

func (rr *ReplicasRecommender) CollectData(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) Filter ¶

func (rr *ReplicasRecommender) Filter(ctx *framework.RecommendationContext) error

Filter out k8s resources that are not supported by the recommender.

func (*ReplicasRecommender) GetMinReplicas ¶ added in v0.9.0

func (rr *ReplicasRecommender) GetMinReplicas(ctx *framework.RecommendationContext) (int32, float64, float64, error)

func (*ReplicasRecommender) Name ¶

func (rr *ReplicasRecommender) Name() string

func (*ReplicasRecommender) Observe ¶

func (rr *ReplicasRecommender) Observe(ctx *framework.RecommendationContext) error

Observe enhance the observability.

func (*ReplicasRecommender) Policy ¶

func (rr *ReplicasRecommender) Policy(ctx *framework.RecommendationContext) error

Policy add some logic for result of recommend phase.

func (*ReplicasRecommender) PostProcessing ¶

func (rr *ReplicasRecommender) PostProcessing(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) PreRecommend ¶

func (rr *ReplicasRecommender) PreRecommend(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) ProposeMinReplicas ¶

func (rr *ReplicasRecommender) ProposeMinReplicas(resourceUsage float64, requestTotal int64, targetUtilization float64) (int32, error)

ProposeMinReplicas calculate min replicas based on default-min-replicas

func (rr *ReplicasRecommender) Recommend(ctx *framework.RecommendationContext) error

Source Files ¶

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