extruntime

Documentation

Overview

Package extruntime provides easy to ues wrap for runtime extension development

Index

• func NewHandler(logger log.Interface, maxSingleMessagePayloadSize int, impl RuntimeEngine) types.Handler
• type Handler
  • func (h *Handler) HandleCmd(ctx context.Context, sid, seq uint64, kind arhatgopb.CmdType, payload []byte) (interface{}, error)
• type RuntimeEngine

Functions

func NewHandler

func NewHandler(
	logger log.Interface,
	maxSingleMessagePayloadSize int,
	impl RuntimeEngine,
) types.Handler

Types

type Handler

type Handler struct {
	*util.BaseHandler
	// contains filtered or unexported fields
}

func (*Handler) HandleCmd

func (h *Handler) HandleCmd(
	ctx context.Context,
	sid, seq uint64,
	kind arhatgopb.CmdType,
	payload []byte,
) (interface{}, error)

type RuntimeEngine

type RuntimeEngine interface {
	// Name of the runtime engine
	Name() string

	// Version of the runtime engine
	Version() string

	// OS the kernel name of the runtime environment
	OS() string

	// OSImage the os distro name
	OSImage() string

	// Arch the cpu arch of the runtime environment
	Arch() string

	// KernelVersion of the OS
	KernelVersion() string

	// Exec execute a command in a running container
	Exec(
		ctx context.Context,
		podUID, container string,
		stdin io.Reader,
		stdout, stderr io.Writer,
		command []string,
		tty bool,
	) (
		doResize types.ResizeHandleFunc,
		errCh <-chan *aranyagopb.ErrorMsg,
		err error,
	)

	// Attach a running container's stdin/stdout/stderr
	Attach(
		ctx context.Context,
		podUID, container string,
		stdin io.Reader,
		stdout, stderr io.Writer,
	) (
		doResize types.ResizeHandleFunc,
		errCh <-chan *aranyagopb.ErrorMsg,
		err error,
	)

	// Logs retrieve
	Logs(
		ctx context.Context,
		options *aranyagopb.LogsCmd,
		stdout, stderr io.Writer,
	) error

	// PortForward establishes a temporary reverse proxy to cloud
	PortForward(
		ctx context.Context,
		podUID string,
		protocol string,
		port int32,
		upstream io.Reader,
	) (
		downstream io.ReadCloser,
		closeWrite func(),
		readErrCh <-chan error,
		err error,
	)

	// EnsurePod creates containers
	EnsurePod(ctx context.Context, options *runtimepb.PodEnsureCmd) (*runtimepb.PodStatusMsg, error)

	// DeletePod kills all containers and delete pod related volume data
	DeletePod(ctx context.Context, options *runtimepb.PodDeleteCmd) (*runtimepb.PodStatusMsg, error)

	// ListPods show (all) pods we are managing
	ListPods(ctx context.Context, options *runtimepb.PodListCmd) (*runtimepb.PodStatusListMsg, error)

	// EnsureImages ensure container images
	EnsureImages(ctx context.Context, options *runtimepb.ImageEnsureCmd) (*runtimepb.ImageStatusListMsg, error)

	// DeleteImages deletes images with specified references
	DeleteImages(ctx context.Context, options *runtimepb.ImageDeleteCmd) (*runtimepb.ImageStatusListMsg, error)

	// DeleteImages lists images with specified references or all images
	ListImages(ctx context.Context, options *runtimepb.ImageListCmd) (*runtimepb.ImageStatusListMsg, error)
}