relay

package module
v0.4.51-alpha.1 Latest Latest
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 Go to latest Published: Dec 29, 2024 License: MIT Imports: 37 Imported by: 5

README

WebTeleport Relay

go.dev reference License

Documentation

Index

Constants

View Source 
const ROOT_INTERNAL = "root.internal"

Variables

View Source 
var DefaultIngress = NewIngressHandler(DefaultStorage)
View Source 
var DefaultStorage = NewStore()

Functions

func DefaultIndex added in v0.3.4 

func DefaultIndex() http.Handler

func IsInternal added in v0.4.37 

func IsInternal(r *http.Request) bool

func RoundTripper added in v0.4.12 

func RoundTripper(tssn tunnel.Session) http.RoundTripper

Types

type ExpVarStruct added in v0.3.1 

type ExpVarStruct struct {
	WebteleportRelayStreamsSpawned   *expvar.Int
	WebteleportRelayStreamsClosed    *expvar.Int
	WebteleportRelaySessionsAccepted *expvar.Int
	WebteleportRelaySessionsClosed   *expvar.Int
}

func NewExpVarStruct added in v0.3.1 

func NewExpVarStruct() *ExpVarStruct

type Ingress added in v0.4.47 

type Ingress interface {
	// shortcut to dispatcher
	http.Handler

	// apply middleware to dispatcher
	Use(middlewares ...muxr.Middleware)

	// get Session wrapped by http.Transport
	GetRoundTripper(h string) (http.RoundTripper, bool)

	// alias Info
	AliasHandler(w http.ResponseWriter, r *http.Request)

	// record Info
	RecordsHandler(w http.ResponseWriter, r *http.Request)

	// subscribe to incoming stream of edge.Edge
	edge.Subscriber
}

storage exposed as HTTP server

func NewIngress added in v0.4.47 

func NewIngress() Ingress

type IngressHandler added in v0.4.47 

type IngressHandler struct {
	*muxr.Router
	// contains filtered or unexported fields
}

func NewIngressHandler added in v0.4.47 

func NewIngressHandler(storage Storage) *IngressHandler

func (*IngressHandler) AliasHandler added in v0.4.50 

func (i *IngressHandler) AliasHandler(w http.ResponseWriter, r *http.Request)

func (*IngressHandler) Dispatch added in v0.4.47 

func (i *IngressHandler) Dispatch(r *http.Request) http.Handler

func (*IngressHandler) GetRoundTripper added in v0.4.47 

func (i *IngressHandler) GetRoundTripper(h string) (http.RoundTripper, bool)

func (*IngressHandler) RecordsHandler added in v0.4.47 

func (i *IngressHandler) RecordsHandler(w http.ResponseWriter, r *http.Request)

func (*IngressHandler) ServeHTTP added in v0.4.47 

func (i *IngressHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

func (*IngressHandler) Subscribe added in v0.4.47 

func (i *IngressHandler) Subscribe(upgrader edge.Upgrader)

func (*IngressHandler) Use added in v0.4.47 

func (i *IngressHandler) Use(middlewares ...muxr.Middleware)

type MetricsTransport added in v0.4.51 

type MetricsTransport struct {
	Transport http.RoundTripper
	Stats     TransportStats
}

MetricsTransport wraps http.Transport to collect various HTTP metrics

func NewMetricsTransport added in v0.4.51 

func NewMetricsTransport(wrapped http.RoundTripper) *MetricsTransport

NewMetricsTransport creates a new transport that collects HTTP metrics

func (*MetricsTransport) GetStats 

func (t *MetricsTransport) GetStats() TransportStats

GetStats returns a copy of the current transport statistics

func (*MetricsTransport) MarshalJSON added in v0.4.51 

func (t *MetricsTransport) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface

func (*MetricsTransport) MarshalJSONIndent added in v0.4.51 

func (t *MetricsTransport) MarshalJSONIndent(prefix, indent string) ([]byte, error)

MarshalJSONIndent returns an indented JSON representation

func (*MetricsTransport) RoundTrip added in v0.4.51 

func (t *MetricsTransport) RoundTrip(req *http.Request) (*http.Response, error)

RoundTrip implements the http.RoundTripper interface

type Record added in v0.3.1 

type Record struct {
	Key          string            `json:"key"`
	Session      tunnel.Session    `json:"-"`
	RoundTripper http.RoundTripper `json:"metrics"`
	Header       tags.Tags         `json:"header"`
	Tags         tags.Tags         `json:"tags"`
	Since        time.Time         `json:"since"`
	IP           string            `json:"ip"`
	Path         string            `json:"path"`
}

func (*Record) Matches added in v0.4.12 

func (r *Record) Matches(kvs url.Values) (ok bool)

type Relayer added in v0.3.6 

type Relayer interface {
	// dispatch to HTTPUpgrader and Storage
	dispatcher.Dispatcher

	// builtin HTTPUpgrader
	edge.HTTPUpgrader

	// edge.Edge consumer
	Ingress
}

edge.Edge multiplexer with builtin HTTPUpgrader

type Storage added in v0.3.4 

type Storage interface {
	// allocate new session
	Allocate(r *edge.Edge) (string, error)

	// remove session
	RemoveSession(tssn tunnel.Session)

	// upsert session
	Upsert(k string, r *edge.Edge)

	// get record
	GetRecord(h string) (*Record, bool)

	// get all records
	Records() (all []*Record)

	// scan edge.Edge
	Scan(r *edge.Edge)

	// ping edge.Edge
	Ping(r *edge.Edge)

	// subscribe to incoming stream of edge.Edge
	edge.Subscriber

	// log message
	WebLog(msg string)

	// alias
	Alias(k string, v string)

	// unalias
	Unalias(k string)

	// get all aliases
	Aliases() (all map[string]string)

	// lookup record
	LookupRecord(k string) (rec *Record, ok bool)
}

edge.Edge multiplexer

type Store added in v0.4.47 

type Store struct {
	Lock         *sync.RWMutex
	PingInterval time.Duration
	Verbose      bool
	Webhook      string
	Client       *http.Client
	RecordMap    map[string]*Record
	AliasMap     map[string]string
}

func NewStore added in v0.4.47 

func NewStore() *Store

func (*Store) Alias added in v0.4.50 

func (s *Store) Alias(k string, v string)

func (*Store) Aliases added in v0.4.50 

func (s *Store) Aliases() (all map[string]string)

func (*Store) Allocate added in v0.4.47 

func (s *Store) Allocate(r *edge.Edge) (string, error)

func (*Store) GetRecord added in v0.4.51 

func (s *Store) GetRecord(h string) (*Record, bool)

func (*Store) LookupRecord added in v0.4.50 

func (s *Store) LookupRecord(k string) (rec *Record, ok bool)

lookup record by key, or alias

func (*Store) Ping added in v0.4.47 

func (s *Store) Ping(r *edge.Edge)

func (*Store) Records added in v0.4.47 

func (s *Store) Records() (all []*Record)

func (*Store) RemoveSession added in v0.4.47 

func (s *Store) RemoveSession(tssn tunnel.Session)

func (*Store) Scan added in v0.4.47 

func (s *Store) Scan(r *edge.Edge)

func (*Store) Subscribe added in v0.4.47 

func (s *Store) Subscribe(upgrader edge.Upgrader)

func (*Store) Unalias added in v0.4.50 

func (s *Store) Unalias(k string)

func (*Store) Upsert added in v0.4.47 

func (s *Store) Upsert(k string, r *edge.Edge)

func (*Store) WebLog added in v0.4.47 

func (s *Store) WebLog(msg string)

type TransportStats added in v0.4.51 

type TransportStats struct {
	BytesSent            int64         `json:"bytesSent"`
	BytesReceived        int64         `json:"bytesReceived"`
	RequestCount         int64         `json:"requestCount"`
	ResponseCount        int64         `json:"responseCount"`
	FailedRequests       int64         `json:"failedRequests"`
	ActiveRequests       int64         `json:"activeRequests"`
	TotalRequestDuration time.Duration `json:"totalRequestDuration"`
	LastRequestTime      time.Time     `json:"lastRequestTime"`
	MaxRequestDuration   time.Duration `json:"maxRequestDuration"`
	MinRequestDuration   time.Duration `json:"minRequestDuration"`
}

TransportStats contains various transport-level statistics

type VerboseConn added in v0.4.32 

type VerboseConn struct {
	net.Conn
}

func (*VerboseConn) Read added in v0.4.32 

func (c *VerboseConn) Read(b []byte) (n int, err error)

func (*VerboseConn) Write added in v0.4.32 

func (c *VerboseConn) Write(b []byte) (n int, err error)

type WSServer added in v0.3.4 

type WSServer struct {
	Ingress
	edge.HTTPUpgrader
}

func DefaultWSServer added in v0.4.48 

func DefaultWSServer(host string) *WSServer

func NewWSServer added in v0.3.4 

func NewWSServer(host string, ingress Ingress) *WSServer

func (*WSServer) Dispatch added in v0.4.19 

func (s *WSServer) Dispatch(r *http.Request) http.Handler

func (*WSServer) IsRootExternal added in v0.4.40 

func (s *WSServer) IsRootExternal(r *http.Request) bool

func (*WSServer) IsRootInternal added in v0.4.38 

func (s *WSServer) IsRootInternal(r *http.Request) bool

func (*WSServer) IsUpgrade added in v0.3.4 

func (s *WSServer) IsUpgrade(r *http.Request) (result bool)

func (*WSServer) RootHandler added in v0.4.38 

func (s *WSServer) RootHandler(w http.ResponseWriter, r *http.Request)

rewrite requests targeting example.com/sub/* to sub.example.com/*

func (*WSServer) RootInternalHandler added in v0.4.38 

func (s *WSServer) RootInternalHandler(w http.ResponseWriter, r *http.Request)

func (*WSServer) ServeHTTP added in v0.3.4 

func (s *WSServer) ServeHTTP(w http.ResponseWriter, r *http.Request)

type WTServer added in v0.3.6 

type WTServer struct {
	Ingress
	*webtransport.Upgrader
}

func DefaultWTServer added in v0.4.48 

func DefaultWTServer(host string) *WTServer

func NewWTServer added in v0.3.6 

func NewWTServer(host string, ingress Ingress) *WTServer

func (*WTServer) Dispatch added in v0.4.19 

func (s *WTServer) Dispatch(r *http.Request) http.Handler

func (*WTServer) IsRootExternal added in v0.4.40 

func (s *WTServer) IsRootExternal(r *http.Request) bool

func (*WTServer) IsRootInternal added in v0.4.38 

func (s *WTServer) IsRootInternal(r *http.Request) bool

func (*WTServer) IsUpgrade added in v0.4.16 

func (s *WTServer) IsUpgrade(r *http.Request) bool

func (*WTServer) ServeHTTP added in v0.3.6 

func (s *WTServer) ServeHTTP(w http.ResponseWriter, r *http.Request)

func (*WTServer) WithAddr added in v0.3.7 

func (s *WTServer) WithAddr(a string) *WTServer

func (*WTServer) WithTLSConfig added in v0.3.7 

func (s *WTServer) WithTLSConfig(tlsConfig *tls.Config) *WTServer

Source Files

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Directories

Path Synopsis
cmd module

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