plugin

Documentation

Index

• Constants
• type Client
  • func NewDRAPluginClient(pluginName string) (Client, error)
• type Plugin
• type PluginsStore
  • func (s *PluginsStore) Clear()
  • func (s *PluginsStore) Delete(pluginName string)
  • func (s *PluginsStore) Get(pluginName string) *Plugin
  • func (s *PluginsStore) Set(pluginName string, plugin *Plugin)
• type RegistrationHandler
  • func NewRegistrationHandler() *RegistrationHandler
  • func (h *RegistrationHandler) DeRegisterPlugin(pluginName string)
  • func (h *RegistrationHandler) RegisterPlugin(pluginName string, endpoint string, versions []string) error
  • func (h *RegistrationHandler) ValidatePlugin(pluginName string, endpoint string, versions []string) error

Constants

const (
	// DRAPluginName is the name of the in-tree DRA Plugin.
	DRAPluginName = "kubernetes.io/dra"
)

const PluginClientTimeout = 10 * time.Second

Types

type Client

type Client interface {
	NodePrepareResource(
		ctx context.Context,
		namespace string,
		claimUID types.UID,
		claimName string,
		resourceHandle string,
	) (*drapbv1.NodePrepareResourceResponse, error)

	NodeUnprepareResource(
		ctx context.Context,
		namespace string,
		claimUID types.UID,
		claimName string,
		resourceHandle string,
	) (*drapbv1.NodeUnprepareResourceResponse, error)
}

func NewDRAPluginClient

func NewDRAPluginClient(pluginName string) (Client, error)

type Plugin

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

Plugin is a description of a DRA Plugin, defined by an endpoint and the highest DRA version supported.

type PluginsStore

type PluginsStore struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

PluginsStore holds a list of DRA Plugins.

func (*PluginsStore) Clear

func (s *PluginsStore) Clear()

Clear deletes all entries in the store. This methiod is protected by a mutex.

func (*PluginsStore) Delete

func (s *PluginsStore) Delete(pluginName string)

Delete lets you delete a DRA Plugin by name. This method is protected by a mutex.

func (*PluginsStore) Get

func (s *PluginsStore) Get(pluginName string) *Plugin

Get lets you retrieve a DRA Plugin by name. This method is protected by a mutex.

func (*PluginsStore) Set

func (s *PluginsStore) Set(pluginName string, plugin *Plugin)

Set lets you save a DRA Plugin to the list and give it a specific name. This method is protected by a mutex.

type RegistrationHandler

type RegistrationHandler struct{}

RegistrationHandler is the handler which is fed to the pluginwatcher API.

func NewRegistrationHandler

func NewRegistrationHandler() *RegistrationHandler

NewPluginHandler returns new registration handler.

func (*RegistrationHandler) DeRegisterPlugin

func (h *RegistrationHandler) DeRegisterPlugin(pluginName string)

DeRegisterPlugin is called when a plugin has removed its socket, signaling it is no longer available.

func (*RegistrationHandler) RegisterPlugin

func (h *RegistrationHandler) RegisterPlugin(pluginName string, endpoint string, versions []string) error

RegisterPlugin is called when a plugin can be registered.

func (*RegistrationHandler) ValidatePlugin

func (h *RegistrationHandler) ValidatePlugin(pluginName string, endpoint string, versions []string) error

ValidatePlugin is called by kubelet's plugin watcher upon detection of a new registration socket opened by DRA plugin.