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Package server

v1.18.6
Latest Go to latest
Published: Jul 15, 2020 | License: Apache-2.0 | Module: k8s.io/kubernetes

Overview

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

Index

Package Files

func ListenAndServeKubeletReadOnlyServer

func ListenAndServeKubeletReadOnlyServer(host HostInterface, resourceAnalyzer stats.ResourceAnalyzer, address net.IP, port uint, enableCAdvisorJSONEndpoints bool)

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

func ListenAndServeKubeletServer

func ListenAndServeKubeletServer(
	host HostInterface,
	resourceAnalyzer stats.ResourceAnalyzer,
	address net.IP,
	port uint,
	tlsOptions *TLSOptions,
	auth AuthInterface,
	enableCAdvisorJSONEndpoints,
	enableDebuggingHandlers,
	enableContentionProfiling,
	redirectContainerStreaming bool,
	criHandler http.Handler)

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

func ListenAndServePodResources

func ListenAndServePodResources(socket string, podsProvider podresources.PodsProvider, devicesProvider podresources.DevicesProvider)

ListenAndServePodResources initializes a gRPC server to serve the PodResources service

func NewNodeAuthorizerAttributesGetter

func NewNodeAuthorizerAttributesGetter(nodeName types.NodeName) authorizer.RequestAttributesGetter

NewNodeAuthorizerAttributesGetter creates a new authorizer.RequestAttributesGetter for the node.

type AuthInterface

type AuthInterface interface {
	authenticator.Request
	authorizer.RequestAttributesGetter
	authorizer.Authorizer
}

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 HostInterface

type HostInterface interface {
	stats.Provider
	GetVersionInfo() (*cadvisorapi.VersionInfo, error)
	GetCachedMachineInfo() (*cadvisorapi.MachineInfo, error)
	GetRunningPods() ([]*v1.Pod, error)
	RunInContainer(name string, uid types.UID, container string, cmd []string) ([]byte, error)
	GetKubeletContainerLogs(ctx context.Context, podFullName, containerName string, logOptions *v1.PodLogOptions, stdout, stderr io.Writer) error
	ServeLogs(w http.ResponseWriter, req *http.Request)
	ResyncInterval() time.Duration
	GetHostname() string
	LatestLoopEntryTime() time.Time
	GetExec(podFullName string, podUID types.UID, containerName string, cmd []string, streamOpts remotecommandserver.Options) (*url.URL, error)
	GetAttach(podFullName string, podUID types.UID, containerName string, streamOpts remotecommandserver.Options) (*url.URL, error)
	GetPortForward(podName, podNamespace string, podUID types.UID, portForwardOpts portforward.V4Options) (*url.URL, error)
}

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

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 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,
	resourceAnalyzer stats.ResourceAnalyzer,
	auth AuthInterface,
	enableCAdvisorJSONEndpoints,
	enableDebuggingHandlers,
	enableContentionProfiling,
	redirectContainerStreaming bool,
	criHandler http.Handler) 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) InstallDebuggingDisabledHandlers

func (s *Server) InstallDebuggingDisabledHandlers()

InstallDebuggingDisabledHandlers registers the HTTP request patterns that provide better error message

func (*Server) InstallDebuggingHandlers

func (s *Server) InstallDebuggingHandlers(criHandler http.Handler)

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

func (*Server) InstallDefaultHandlers

func (s *Server) InstallDefaultHandlers(enableCAdvisorJSONEndpoints bool)

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
}

TLSOptions holds the TLS options.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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