streaming

package
v1.5.0-alpha.2 Latest Latest
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Published: Oct 27, 2016 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var DefaultConfig = Config{
	StreamIdleTimeout:     4 * time.Hour,
	StreamCreationTimeout: remotecommand.DefaultStreamCreationTimeout,
	SupportedProtocols:    remotecommand.SupportedStreamingProtocols,
}

DefaultConfig provides default values for server Config. The DefaultConfig is partial, so some fields like Addr must still be provided.

Functions

This section is empty.

Types

type Config

type Config struct {
	// The host:port address the server will listen on.
	Addr string

	// How long to leave idle connections open for.
	StreamIdleTimeout time.Duration
	// How long to wait for clients to create streams. Only used for SPDY streaming.
	StreamCreationTimeout time.Duration

	// The streaming protocols the server supports (understands and permits).  See
	// k8s.io/kubernetes/pkg/kubelet/server/remotecommand/constants.go for available protocols.
	// Only used for SPDY streaming.
	SupportedProtocols []string

	// The config for serving over TLS. If nil, TLS will not be used.
	TLSConfig *tls.Config
}

Config defines the options used for running the stream server.

type Runtime

type Runtime interface {
	Exec(containerID string, cmd []string, in io.Reader, out, err io.WriteCloser, tty bool, resize <-chan term.Size) error
	Attach(containerID string, in io.Reader, out, err io.WriteCloser, resize <-chan term.Size) error
	PortForward(podSandboxID string, port int32, stream io.ReadWriteCloser) error
}

The interface to execute the commands and provide the streams.

type Server

type Server interface {
	http.Handler

	// Get the serving URL for the requests. Server must be started before these are called.
	// Requests must not be nil. Responses may be nil iff an error is returned.
	GetExec(*runtimeapi.ExecRequest) (*runtimeapi.ExecResponse, error)
	GetAttach(req *runtimeapi.AttachRequest, tty bool) (*runtimeapi.AttachResponse, error)
	GetPortForward(*runtimeapi.PortForwardRequest) (*runtimeapi.PortForwardResponse, error)

	// Start the server.
	// addr is the address to serve on (address:port) stayUp indicates whether the server should
	// listen until Stop() is called, or automatically stop after all expected connections are
	// closed. Calling Get{Exec,Attach,PortForward} increments the expected connection count.
	// Function does not return until the server is stopped.
	Start(stayUp bool) error
	// Stop the server, and terminate any open connections.
	Stop() error
}

The library interface to serve the stream requests.

func NewServer

func NewServer(config Config, runtime Runtime) (Server, error)

TODO(timstclair): Add auth(n/z) interface & handling.

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