admission

package
v1.9.5 Latest Latest
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Published: Mar 17, 2018 License: Apache-2.0 Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source
const (

	// HighestUserDefinablePriority is the highest priority for user defined priority classes. Priority values larger than 1 billion are reserved for Kubernetes system use.
	HighestUserDefinablePriority = 1000000000
	// SystemCriticalPriority is the beginning of the range of priority values for critical system components.
	SystemCriticalPriority = 2 * HighestUserDefinablePriority
)

Variables

View Source
var SystemPriorityClasses = map[string]int32{
	"system-cluster-critical": SystemCriticalPriority,
	"system-node-critical":    SystemCriticalPriority + 1000,
}

SystemPriorityClasses defines special priority classes which are used by system critical pods that should not be preempted by workload pods.

Functions

func Register

func Register(plugins *admission.Plugins)

Register registers a plugin

Types

type PriorityPlugin added in v1.9.0

type PriorityPlugin struct {
	*admission.Handler
	// contains filtered or unexported fields
}

PriorityPlugin is an implementation of admission.Interface.

func NewPlugin

func NewPlugin() *PriorityPlugin

NewPlugin creates a new priority admission plugin.

func (*PriorityPlugin) Admit added in v1.9.0

Admit checks Pods and admits or rejects them. It also resolves the priority of pods based on their PriorityClass. Note that pod validation mechanism prevents update of a pod priority.

func (*PriorityPlugin) SetInternalKubeClientSet added in v1.9.0

func (p *PriorityPlugin) SetInternalKubeClientSet(client internalclientset.Interface)

SetInternalKubeClientSet implements the WantsInternalKubeClientSet interface.

func (*PriorityPlugin) SetInternalKubeInformerFactory added in v1.9.0

func (p *PriorityPlugin) SetInternalKubeInformerFactory(f informers.SharedInformerFactory)

SetInternalKubeInformerFactory implements the WantsInternalKubeInformerFactory interface.

func (*PriorityPlugin) Validate added in v1.9.0

func (p *PriorityPlugin) Validate(a admission.Attributes) error

Validate checks PriorityClasses and admits or rejects them.

func (*PriorityPlugin) ValidateInitialization added in v1.9.0

func (p *PriorityPlugin) ValidateInitialization() error

ValidateInitialization implements the InitializationValidator interface.

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