server

package
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Published: Feb 6, 2016 License: Apache-2.0 Imports: 39 Imported by: 0

Documentation

Overview

Package server contains functions related to serving Kubelet's external interface.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ListenAndServeKubeletReadOnlyServer

func ListenAndServeKubeletReadOnlyServer(host HostInterface, address net.IP, port uint)

ListenAndServeKubeletReadOnlyServer initializes a server to respond to HTTP network requests on the Kubelet.

func ListenAndServeKubeletServer

func ListenAndServeKubeletServer(host HostInterface, address net.IP, port uint, tlsOptions *TLSOptions, auth AuthInterface, enableDebuggingHandlers bool)

ListenAndServeKubeletServer initializes a server to respond to HTTP network requests on the Kubelet.

func ServePortForward

func ServePortForward(w http.ResponseWriter, req *http.Request, portForwarder PortForwarder, podName string, uid types.UID, idleTimeout time.Duration, streamCreationTimeout time.Duration)

ServePortForward handles a port forwarding request. A single request is kept alive as long as the client is still alive and the connection has not been timed out due to idleness. This function handles multiple forwarded connections; i.e., multiple `curl http://localhost:8888/` requests will be handled by a single invocation of ServePortForward.

Types

type AuthInterface

AuthInterface contains all methods required by the auth filters

func NewKubeletAuth

func NewKubeletAuth(authenticator authenticator.Request, authorizerAttributeGetter authorizer.RequestAttributesGetter, authorizer authorizer.Authorizer) AuthInterface

NewKubeletAuth returns a kubelet.AuthInterface composed of the given authenticator, attribute getter, and authorizer

type Closer

type Closer interface {
	Close() error
}

type HostInterface

type HostInterface interface {
	GetContainerInfo(podFullName string, uid types.UID, containerName string, req *cadvisorapi.ContainerInfoRequest) (*cadvisorapi.ContainerInfo, error)
	GetContainerInfoV2(name string, options cadvisorapiv2.RequestOptions) (map[string]cadvisorapiv2.ContainerInfo, error)
	GetRawContainerInfo(containerName string, req *cadvisorapi.ContainerInfoRequest, subcontainers bool) (map[string]*cadvisorapi.ContainerInfo, error)
	GetCachedMachineInfo() (*cadvisorapi.MachineInfo, error)
	GetPods() []*api.Pod
	GetRunningPods() ([]*api.Pod, error)
	GetPodByName(namespace, name string) (*api.Pod, bool)
	RunInContainer(name string, uid types.UID, container string, cmd []string) ([]byte, error)
	ExecInContainer(name string, uid types.UID, container string, cmd []string, in io.Reader, out, err io.WriteCloser, tty bool) error
	AttachContainer(name string, uid types.UID, container string, in io.Reader, out, err io.WriteCloser, tty bool) error
	GetKubeletContainerLogs(podFullName, containerName string, logOptions *api.PodLogOptions, stdout, stderr io.Writer) error
	ServeLogs(w http.ResponseWriter, req *http.Request)
	PortForward(name string, uid types.UID, port uint16, stream io.ReadWriteCloser) error
	StreamingConnectionIdleTimeout() time.Duration
	ResyncInterval() time.Duration
	GetHostname() string
	GetNode() (*api.Node, error)
	GetNodeConfig() cm.NodeConfig
	LatestLoopEntryTime() time.Time
	DockerImagesFsInfo() (cadvisorapiv2.FsInfo, error)
	RootFsInfo() (cadvisorapiv2.FsInfo, error)
}

HostInterface contains all the kubelet methods required by the server. For testablitiy.

type KubeletAuth

type KubeletAuth struct {
	// authenticator identifies the user for requests to the Kubelet API
	authenticator.Request
	// authorizerAttributeGetter builds authorization.Attributes for a request to the Kubelet API
	authorizer.RequestAttributesGetter
	// authorizer determines whether a given authorization.Attributes is allowed
	authorizer.Authorizer
}

KubeletAuth implements AuthInterface

type PortForwarder

type PortForwarder interface {
	// PortForwarder copies data between a data stream and a port in a pod.
	PortForward(name string, uid types.UID, port uint16, stream io.ReadWriteCloser) error
}

PortForwarder knows how to forward content from a data stream to/from a port in a pod.

type Server

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

Server is a http.Handler which exposes kubelet functionality over HTTP.

func NewServer

func NewServer(host HostInterface, auth AuthInterface, enableDebuggingHandlers bool) Server

NewServer initializes and configures a kubelet.Server object to handle HTTP requests.

func (*Server) InstallAuthFilter

func (s *Server) InstallAuthFilter()

InstallAuthFilter installs authentication filters with the restful Container.

func (*Server) InstallDebuggingHandlers

func (s *Server) InstallDebuggingHandlers()

InstallDeguggingHandlers registers the HTTP request patterns that serve logs or run commands/containers

func (*Server) InstallDefaultHandlers

func (s *Server) InstallDefaultHandlers()

InstallDefaultHandlers registers the default set of supported HTTP request patterns with the restful Container.

func (*Server) ServeHTTP

func (s *Server) ServeHTTP(w http.ResponseWriter, req *http.Request)

ServeHTTP responds to HTTP requests on the Kubelet.

type TLSOptions

type TLSOptions struct {
	Config   *tls.Config
	CertFile string
	KeyFile  string
}

Directories

Path Synopsis
package portforward contains server-side logic for handling port forwarding requests.
package portforward contains server-side logic for handling port forwarding requests.
Package stats handles exporting Kubelet and container stats.
Package stats handles exporting Kubelet and container stats.

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