topologymanager

package
v1.16.3 Latest Latest
Warning

This package is not in the latest version of its module.

Go to latest
Published: Nov 9, 2022 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source
const PolicyBestEffort string = "best-effort"

PolicyBestEffort policy name.

View Source
const PolicyNone string = "none"

PolicyNone policy name.

View Source
const PolicyRestricted string = "restricted"

PolicyRestricted policy name.

View Source
const PolicySingleNumaNode string = "single-numa-node"

PolicySingleNumaNode policy name.

Variables

This section is empty.

Functions

This section is empty.

Types

type HintProvider

type HintProvider interface {
	GetTopologyHints(pod v1.Pod, container v1.Container) map[string][]TopologyHint
}

HintProvider interface is to be implemented by Hint Providers

type Manager

type Manager interface {
	//Manager implements pod admit handler interface
	lifecycle.PodAdmitHandler
	//Adds a hint provider to manager to indicate the hint provider
	//wants to be consoluted when making topology hints
	AddHintProvider(HintProvider)
	//Adds pod to Manager for tracking
	AddContainer(pod *v1.Pod, containerID string) error
	//Removes pod from Manager tracking
	RemoveContainer(containerID string) error
	//Interface for storing pod topology hints
	Store
}

Manager interface provides methods for Kubelet to manage pod topology hints

func NewFakeManager

func NewFakeManager() Manager

NewFakeManager returns an instance of FakeManager

func NewManager

func NewManager(numaNodeInfo cputopology.NUMANodeInfo, topologyPolicyName string) (Manager, error)

NewManager creates a new TopologyManager based on provided policy

type Policy

type Policy interface {
	//Returns Policy Name
	Name() string
	//Returns Pod Admit Handler Response based on hints and policy type
	CanAdmitPodResult(hint *TopologyHint) lifecycle.PodAdmitResult
}

Policy interface for Topology Manager Pod Admit Result

func NewBestEffortPolicy

func NewBestEffortPolicy() Policy

NewBestEffortPolicy returns best-effort policy.

func NewNonePolicy

func NewNonePolicy() Policy

NewNonePolicy returns none policy.

func NewRestrictedPolicy

func NewRestrictedPolicy() Policy

NewRestrictedPolicy returns restricted policy.

func NewSingleNumaNodePolicy

func NewSingleNumaNodePolicy() Policy

NewSingleNumaNodePolicy returns single-numa-node policy.

type Store

type Store interface {
	GetAffinity(podUID string, containerName string) TopologyHint
}

Store interface is to allow Hint Providers to retrieve pod affinity

type TopologyHint

type TopologyHint struct {
	NUMANodeAffinity socketmask.SocketMask
	// Preferred is set to true when the NUMANodeAffinity encodes a preferred
	// allocation for the Container. It is set to false otherwise.
	Preferred bool
}

TopologyHint is a struct containing the NUMANodeAffinity for a Container

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL