logic

Documentation

Index

• Constants
• func NewRecommendationProvider(vpaLister vpa_lister.VerticalPodAutoscalerLister, ...) *recommendationProvider
• type AdmissionServer
  • func NewAdmissionServer(recommendationProvider RecommendationProvider, podPreProcessor PodPreProcessor) *AdmissionServer
  • func (s *AdmissionServer) Serve(w http.ResponseWriter, r *http.Request)
• type ContainerResources
• type NoopPreProcessor
  • func (p *NoopPreProcessor) Process(pod apiv1.Pod) (apiv1.Pod, error)
• type PodPreProcessor
  • func NewDefaultPodPreProcessor() PodPreProcessor
• type RecommendationProvider

Constants

const (
	// MemoryLimitBumpUpRatio specifies how much memory will be available above memory request.
	// Limit is set to trigger OOMs.
	MemoryLimitBumpUpRatio float64 = 1.2
	// MemoryLimitMinBumpUp specifies minimal amount of memory above memory request.
	// Limit is set to trigger OOMs.
	MemoryLimitMinBumpUp float64 = 100 * 1024 * 1024 // 100MB
)

Functions

func NewRecommendationProvider

func NewRecommendationProvider(vpaLister vpa_lister.VerticalPodAutoscalerLister, recommendationProcessor vpa_api_util.RecommendationProcessor) *recommendationProvider

NewRecommendationProvider constructs the recommendation provider that list VPAs and can be used to determine recommendations for pods.

Types

type AdmissionServer

type AdmissionServer struct {
	// contains filtered or unexported fields
}

AdmissionServer is an admission webhook server that modifies pod resources request based on VPA recommendation

func NewAdmissionServer

func NewAdmissionServer(recommendationProvider RecommendationProvider, podPreProcessor PodPreProcessor) *AdmissionServer

NewAdmissionServer constructs new AdmissionServer

func (*AdmissionServer) Serve

func (s *AdmissionServer) Serve(w http.ResponseWriter, r *http.Request)

Serve is a handler function of AdmissionServer

type ContainerResources

type ContainerResources struct {
	Requests, Limits v1.ResourceList
}

ContainerResources holds request and limit resources for container

type NoopPreProcessor

type NoopPreProcessor struct{}

NoopPreProcessor leaves pods unchanged when processing

func (*NoopPreProcessor) Process

func (p *NoopPreProcessor) Process(pod apiv1.Pod) (apiv1.Pod, error)

Process leaves the pod unchanged

type PodPreProcessor

type PodPreProcessor interface {
	Process(apiv1.Pod) (apiv1.Pod, error)
}

PodPreProcessor processes the pods before building patches.

func NewDefaultPodPreProcessor

func NewDefaultPodPreProcessor() PodPreProcessor

NewDefaultPodPreProcessor creates a default PodPreProcessor

type RecommendationProvider

type RecommendationProvider interface {
	GetContainersResourcesForPod(pod *v1.Pod) ([]ContainerResources, string, error)
}

RecommendationProvider gets current recommendation and limits for the given pod.