resourcequota

package
v1.6.10-beta.0 Latest Latest
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Published: Aug 23, 2017 License: Apache-2.0 Imports: 36 Imported by: 0

Documentation

Overview

resourcequota enforces all incoming requests against any applied quota in the namespace context of the request

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsDefaultDeny added in v1.3.0

func IsDefaultDeny(err error) bool

IsDefaultDeny returns true if the error is defaultDeny

func LoadConfiguration added in v1.6.0

func LoadConfiguration(config io.Reader) (*resourcequotaapi.Configuration, error)

LoadConfiguration loads the provided configuration.

func NewResourceQuota

func NewResourceQuota(registry quota.Registry, config *resourcequotaapi.Configuration, numEvaluators int, stopCh <-chan struct{}) (admission.Interface, error)

NewResourceQuota configures an admission controller that can enforce quota constraints using the provided registry. The registry must have the capability to handle group/kinds that are persisted by the server this admission controller is intercepting

Types

type Evaluator added in v1.4.0

type Evaluator interface {
	// Evaluate takes an operation and checks to see if quota constraints are satisfied.  It returns an error if they are not.
	// The default implementation process related operations in chunks when possible.
	Evaluate(a admission.Attributes) error
}

Evaluator is used to see if quota constraints are satisfied.

func NewQuotaEvaluator added in v1.4.0

func NewQuotaEvaluator(quotaAccessor QuotaAccessor, registry quota.Registry, lockAcquisitionFunc func([]api.ResourceQuota) func(), config *resourcequotaapi.Configuration, workers int, stopCh <-chan struct{}) Evaluator

NewQuotaEvaluator configures an admission controller that can enforce quota constraints using the provided registry. The registry must have the capability to handle group/kinds that are persisted by the server this admission controller is intercepting

type QuotaAccessor added in v1.4.0

type QuotaAccessor interface {
	// UpdateQuotaStatus is called to persist final status.  This method should write to persistent storage.
	// An error indicates that write didn't complete successfully.
	UpdateQuotaStatus(newQuota *api.ResourceQuota) error

	// GetQuotas gets all possible quotas for a given namespace
	GetQuotas(namespace string) ([]api.ResourceQuota, error)
}

QuotaAccessor abstracts the get/set logic from the rest of the Evaluator. This could be a test stub, a straight passthrough, or most commonly a series of deconflicting caches.

Directories

Path Synopsis
apis
resourcequota/install
Package install installs the experimental API group, making it available as an option to all of the API encoding/decoding machinery.
Package install installs the experimental API group, making it available as an option to all of the API encoding/decoding machinery.
resourcequota/v1alpha1
Package v1alpha1 is the v1alpha1 version of the API.
Package v1alpha1 is the v1alpha1 version of the API.

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