545 lines
19 KiB
Go
545 lines
19 KiB
Go
/*
|
|
Copyright
|
|
*/
|
|
package main
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"encoding/json"
|
|
"errors"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"os/signal"
|
|
"reflect"
|
|
"regexp"
|
|
"sort"
|
|
"strconv"
|
|
"sync"
|
|
"syscall"
|
|
"time"
|
|
|
|
log "github.com/Sirupsen/logrus"
|
|
"github.com/codegangsta/negroni"
|
|
"github.com/containous/oxy/cbreaker"
|
|
"github.com/containous/oxy/forward"
|
|
"github.com/containous/oxy/roundrobin"
|
|
"github.com/containous/oxy/stream"
|
|
"github.com/containous/traefik/middlewares"
|
|
"github.com/containous/traefik/provider"
|
|
"github.com/containous/traefik/safe"
|
|
"github.com/containous/traefik/types"
|
|
"github.com/gorilla/mux"
|
|
"github.com/mailgun/manners"
|
|
)
|
|
|
|
var oxyLogger = &OxyLogger{}
|
|
|
|
// Server is the reverse-proxy/load-balancer engine
|
|
type Server struct {
|
|
serverEntryPoints serverEntryPoints
|
|
configurationChan chan types.ConfigMessage
|
|
configurationValidatedChan chan types.ConfigMessage
|
|
signals chan os.Signal
|
|
stopChan chan bool
|
|
providers []provider.Provider
|
|
serverLock sync.Mutex
|
|
currentConfigurations configs
|
|
globalConfiguration GlobalConfiguration
|
|
loggerMiddleware *middlewares.Logger
|
|
}
|
|
|
|
type serverEntryPoints map[string]*serverEntryPoint
|
|
|
|
type serverEntryPoint struct {
|
|
httpServer *manners.GracefulServer
|
|
httpRouter *middlewares.HandlerSwitcher
|
|
}
|
|
|
|
type serverRoute struct {
|
|
route *mux.Route
|
|
stripPrefix string
|
|
}
|
|
|
|
// NewServer returns an initialized Server.
|
|
func NewServer(globalConfiguration GlobalConfiguration) *Server {
|
|
server := new(Server)
|
|
|
|
server.serverEntryPoints = make(map[string]*serverEntryPoint)
|
|
server.configurationChan = make(chan types.ConfigMessage, 10)
|
|
server.configurationValidatedChan = make(chan types.ConfigMessage, 10)
|
|
server.signals = make(chan os.Signal, 1)
|
|
server.stopChan = make(chan bool)
|
|
server.providers = []provider.Provider{}
|
|
signal.Notify(server.signals, syscall.SIGINT, syscall.SIGTERM)
|
|
server.currentConfigurations = make(configs)
|
|
server.globalConfiguration = globalConfiguration
|
|
server.loggerMiddleware = middlewares.NewLogger(globalConfiguration.AccessLogsFile)
|
|
|
|
return server
|
|
}
|
|
|
|
// Start starts the server and blocks until server is shutted down.
|
|
func (server *Server) Start() {
|
|
server.startHTTPServers()
|
|
safe.Go(func() {
|
|
server.listenProviders()
|
|
})
|
|
safe.Go(func() {
|
|
server.listenConfigurations()
|
|
})
|
|
server.configureProviders()
|
|
server.startProviders()
|
|
go server.listenSignals()
|
|
<-server.stopChan
|
|
}
|
|
|
|
// Stop stops the server
|
|
func (server *Server) Stop() {
|
|
for _, serverEntryPoint := range server.serverEntryPoints {
|
|
serverEntryPoint.httpServer.BlockingClose()
|
|
}
|
|
server.stopChan <- true
|
|
}
|
|
|
|
// Close destroys the server
|
|
func (server *Server) Close() {
|
|
close(server.configurationChan)
|
|
close(server.configurationValidatedChan)
|
|
close(server.signals)
|
|
close(server.stopChan)
|
|
server.loggerMiddleware.Close()
|
|
}
|
|
|
|
func (server *Server) startHTTPServers() {
|
|
server.serverEntryPoints = server.buildEntryPoints(server.globalConfiguration)
|
|
for newServerEntryPointName, newServerEntryPoint := range server.serverEntryPoints {
|
|
newsrv, err := server.prepareServer(newServerEntryPointName, newServerEntryPoint.httpRouter, server.globalConfiguration.EntryPoints[newServerEntryPointName], nil, server.loggerMiddleware, metrics)
|
|
if err != nil {
|
|
log.Fatal("Error preparing server: ", err)
|
|
}
|
|
serverEntryPoint := server.serverEntryPoints[newServerEntryPointName]
|
|
serverEntryPoint.httpServer = newsrv
|
|
go server.startServer(serverEntryPoint.httpServer, server.globalConfiguration)
|
|
}
|
|
}
|
|
|
|
func (server *Server) listenProviders() {
|
|
lastReceivedConfiguration := time.Unix(0, 0)
|
|
lastConfigs := make(map[string]*types.ConfigMessage)
|
|
for {
|
|
configMsg := <-server.configurationChan
|
|
jsonConf, _ := json.Marshal(configMsg.Configuration)
|
|
log.Debugf("Configuration received from provider %s: %s", configMsg.ProviderName, string(jsonConf))
|
|
lastConfigs[configMsg.ProviderName] = &configMsg
|
|
if time.Now().After(lastReceivedConfiguration.Add(time.Duration(server.globalConfiguration.ProvidersThrottleDuration))) {
|
|
log.Debugf("Last %s config received more than %s, OK", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration)
|
|
// last config received more than n s ago
|
|
server.configurationValidatedChan <- configMsg
|
|
} else {
|
|
log.Debugf("Last %s config received less than %s, waiting...", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration)
|
|
safe.Go(func() {
|
|
<-time.After(server.globalConfiguration.ProvidersThrottleDuration)
|
|
if time.Now().After(lastReceivedConfiguration.Add(time.Duration(server.globalConfiguration.ProvidersThrottleDuration))) {
|
|
log.Debugf("Waited for %s config, OK", configMsg.ProviderName)
|
|
server.configurationValidatedChan <- *lastConfigs[configMsg.ProviderName]
|
|
}
|
|
})
|
|
}
|
|
lastReceivedConfiguration = time.Now()
|
|
}
|
|
}
|
|
|
|
func (server *Server) listenConfigurations() {
|
|
for {
|
|
configMsg := <-server.configurationValidatedChan
|
|
if configMsg.Configuration == nil {
|
|
log.Info("Skipping empty Configuration")
|
|
} else if reflect.DeepEqual(server.currentConfigurations[configMsg.ProviderName], configMsg.Configuration) {
|
|
log.Info("Skipping same configuration")
|
|
} else {
|
|
// Copy configurations to new map so we don't change current if LoadConfig fails
|
|
newConfigurations := make(configs)
|
|
for k, v := range server.currentConfigurations {
|
|
newConfigurations[k] = v
|
|
}
|
|
newConfigurations[configMsg.ProviderName] = configMsg.Configuration
|
|
|
|
newServerEntryPoints, err := server.loadConfig(newConfigurations, server.globalConfiguration)
|
|
if err == nil {
|
|
server.serverLock.Lock()
|
|
for newServerEntryPointName, newServerEntryPoint := range newServerEntryPoints {
|
|
server.serverEntryPoints[newServerEntryPointName].httpRouter.UpdateHandler(newServerEntryPoint.httpRouter.GetHandler())
|
|
log.Infof("Server configuration reloaded on %s", server.serverEntryPoints[newServerEntryPointName].httpServer.Addr)
|
|
}
|
|
server.currentConfigurations = newConfigurations
|
|
server.serverLock.Unlock()
|
|
} else {
|
|
log.Error("Error loading new configuration, aborted ", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (server *Server) configureProviders() {
|
|
// configure providers
|
|
if server.globalConfiguration.Docker != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Docker)
|
|
}
|
|
if server.globalConfiguration.Marathon != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Marathon)
|
|
}
|
|
if server.globalConfiguration.File != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.File)
|
|
}
|
|
if server.globalConfiguration.Web != nil {
|
|
server.globalConfiguration.Web.server = server
|
|
server.providers = append(server.providers, server.globalConfiguration.Web)
|
|
}
|
|
if server.globalConfiguration.Consul != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Consul)
|
|
}
|
|
if server.globalConfiguration.ConsulCatalog != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.ConsulCatalog)
|
|
}
|
|
if server.globalConfiguration.Etcd != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Etcd)
|
|
}
|
|
if server.globalConfiguration.Zookeeper != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Zookeeper)
|
|
}
|
|
if server.globalConfiguration.Boltdb != nil {
|
|
server.providers = append(server.providers, server.globalConfiguration.Boltdb)
|
|
}
|
|
}
|
|
|
|
func (server *Server) startProviders() {
|
|
// start providers
|
|
for _, provider := range server.providers {
|
|
jsonConf, _ := json.Marshal(provider)
|
|
log.Infof("Starting provider %v %s", reflect.TypeOf(provider), jsonConf)
|
|
currentProvider := provider
|
|
safe.Go(func() {
|
|
err := currentProvider.Provide(server.configurationChan)
|
|
if err != nil {
|
|
log.Errorf("Error starting provider %s", err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func (server *Server) listenSignals() {
|
|
sig := <-server.signals
|
|
log.Infof("I have to go... %+v", sig)
|
|
log.Info("Stopping server")
|
|
server.Stop()
|
|
}
|
|
|
|
// creates a TLS config that allows terminating HTTPS for multiple domains using SNI
|
|
func (server *Server) createTLSConfig(entryPointName string, tlsOption *TLS, router *middlewares.HandlerSwitcher) (*tls.Config, error) {
|
|
if tlsOption == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
config := &tls.Config{}
|
|
config.Certificates = []tls.Certificate{}
|
|
for _, v := range tlsOption.Certificates {
|
|
cert, err := tls.LoadX509KeyPair(v.CertFile, v.KeyFile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
config.Certificates = append(config.Certificates, cert)
|
|
}
|
|
|
|
if server.globalConfiguration.ACME != nil {
|
|
if _, ok := server.serverEntryPoints[server.globalConfiguration.ACME.EntryPoint]; ok {
|
|
if entryPointName == server.globalConfiguration.ACME.EntryPoint {
|
|
checkOnDemandDomain := func(domain string) bool {
|
|
if router.GetHandler().Match(&http.Request{URL: &url.URL{}, Host: domain}, &mux.RouteMatch{}) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
err := server.globalConfiguration.ACME.CreateConfig(config, checkOnDemandDomain)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
} else {
|
|
return nil, errors.New("Unknown entrypoint " + server.globalConfiguration.ACME.EntryPoint + " for ACME configuration")
|
|
}
|
|
}
|
|
if len(config.Certificates) == 0 {
|
|
return nil, errors.New("No certificates found for TLS entrypoint " + entryPointName)
|
|
}
|
|
// BuildNameToCertificate parses the CommonName and SubjectAlternateName fields
|
|
// in each certificate and populates the config.NameToCertificate map.
|
|
config.BuildNameToCertificate()
|
|
return config, nil
|
|
}
|
|
|
|
func (server *Server) startServer(srv *manners.GracefulServer, globalConfiguration GlobalConfiguration) {
|
|
log.Infof("Starting server on %s", srv.Addr)
|
|
if srv.TLSConfig != nil {
|
|
if err := srv.ListenAndServeTLSWithConfig(srv.TLSConfig); err != nil {
|
|
log.Fatal("Error creating server: ", err)
|
|
}
|
|
} else {
|
|
if err := srv.ListenAndServe(); err != nil {
|
|
log.Fatal("Error creating server: ", err)
|
|
}
|
|
}
|
|
log.Info("Server stopped")
|
|
}
|
|
|
|
func (server *Server) prepareServer(entryPointName string, router *middlewares.HandlerSwitcher, entryPoint *EntryPoint, oldServer *manners.GracefulServer, middlewares ...negroni.Handler) (*manners.GracefulServer, error) {
|
|
log.Infof("Preparing server %s %+v", entryPointName, entryPoint)
|
|
// middlewares
|
|
var negroni = negroni.New()
|
|
for _, middleware := range middlewares {
|
|
negroni.Use(middleware)
|
|
}
|
|
negroni.UseHandler(router)
|
|
tlsConfig, err := server.createTLSConfig(entryPointName, entryPoint.TLS, router)
|
|
if err != nil {
|
|
log.Fatalf("Error creating TLS config %s", err)
|
|
return nil, err
|
|
}
|
|
|
|
if oldServer == nil {
|
|
return manners.NewWithServer(
|
|
&http.Server{
|
|
Addr: entryPoint.Address,
|
|
Handler: negroni,
|
|
TLSConfig: tlsConfig,
|
|
}), nil
|
|
}
|
|
gracefulServer, err := oldServer.HijackListener(&http.Server{
|
|
Addr: entryPoint.Address,
|
|
Handler: negroni,
|
|
TLSConfig: tlsConfig,
|
|
}, tlsConfig)
|
|
if err != nil {
|
|
log.Fatalf("Error hijacking server %s", err)
|
|
return nil, err
|
|
}
|
|
return gracefulServer, nil
|
|
}
|
|
|
|
func (server *Server) buildEntryPoints(globalConfiguration GlobalConfiguration) map[string]*serverEntryPoint {
|
|
serverEntryPoints := make(map[string]*serverEntryPoint)
|
|
for entryPointName := range globalConfiguration.EntryPoints {
|
|
router := server.buildDefaultHTTPRouter()
|
|
serverEntryPoints[entryPointName] = &serverEntryPoint{
|
|
httpRouter: middlewares.NewHandlerSwitcher(router),
|
|
}
|
|
}
|
|
return serverEntryPoints
|
|
}
|
|
|
|
// LoadConfig returns a new gorilla.mux Route from the specified global configuration and the dynamic
|
|
// provider configurations.
|
|
func (server *Server) loadConfig(configurations configs, globalConfiguration GlobalConfiguration) (map[string]*serverEntryPoint, error) {
|
|
serverEntryPoints := server.buildEntryPoints(globalConfiguration)
|
|
redirectHandlers := make(map[string]http.Handler)
|
|
|
|
backends := map[string]http.Handler{}
|
|
for _, configuration := range configurations {
|
|
frontendNames := sortedFrontendNamesForConfig(configuration)
|
|
for _, frontendName := range frontendNames {
|
|
frontend := configuration.Frontends[frontendName]
|
|
|
|
log.Debugf("Creating frontend %s", frontendName)
|
|
fwd, _ := forward.New(forward.Logger(oxyLogger), forward.PassHostHeader(frontend.PassHostHeader))
|
|
// default endpoints if not defined in frontends
|
|
if len(frontend.EntryPoints) == 0 {
|
|
frontend.EntryPoints = globalConfiguration.DefaultEntryPoints
|
|
}
|
|
if len(frontend.EntryPoints) == 0 {
|
|
log.Errorf("No entrypoint defined for frontend %s, defaultEntryPoints:%s. Skipping it", frontendName, globalConfiguration.DefaultEntryPoints)
|
|
continue
|
|
}
|
|
for _, entryPointName := range frontend.EntryPoints {
|
|
log.Debugf("Wiring frontend %s to entryPoint %s", frontendName, entryPointName)
|
|
if _, ok := serverEntryPoints[entryPointName]; !ok {
|
|
return nil, errors.New("Undefined entrypoint: " + entryPointName)
|
|
}
|
|
newServerRoute := &serverRoute{route: serverEntryPoints[entryPointName].httpRouter.GetHandler().NewRoute().Name(frontendName)}
|
|
for routeName, route := range frontend.Routes {
|
|
err := getRoute(newServerRoute, &route)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.Debugf("Creating route %s %s", routeName, route.Rule)
|
|
}
|
|
entryPoint := globalConfiguration.EntryPoints[entryPointName]
|
|
if entryPoint.Redirect != nil {
|
|
if redirectHandlers[entryPointName] != nil {
|
|
newServerRoute.route.Handler(redirectHandlers[entryPointName])
|
|
} else if handler, err := server.loadEntryPointConfig(entryPointName, entryPoint); err != nil {
|
|
return nil, err
|
|
} else {
|
|
newServerRoute.route.Handler(handler)
|
|
redirectHandlers[entryPointName] = handler
|
|
}
|
|
} else {
|
|
if backends[frontend.Backend] == nil {
|
|
log.Debugf("Creating backend %s", frontend.Backend)
|
|
var lb http.Handler
|
|
rr, _ := roundrobin.New(fwd)
|
|
if configuration.Backends[frontend.Backend] == nil {
|
|
return nil, errors.New("Undefined backend: " + frontend.Backend)
|
|
}
|
|
lbMethod, err := types.NewLoadBalancerMethod(configuration.Backends[frontend.Backend].LoadBalancer)
|
|
if err != nil {
|
|
configuration.Backends[frontend.Backend].LoadBalancer = &types.LoadBalancer{Method: "wrr"}
|
|
}
|
|
switch lbMethod {
|
|
case types.Drr:
|
|
log.Debugf("Creating load-balancer drr")
|
|
rebalancer, _ := roundrobin.NewRebalancer(rr, roundrobin.RebalancerLogger(oxyLogger))
|
|
lb = rebalancer
|
|
for serverName, server := range configuration.Backends[frontend.Backend].Servers {
|
|
url, err := url.Parse(server.URL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
|
if err := rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
case types.Wrr:
|
|
log.Debugf("Creating load-balancer wrr")
|
|
lb = rr
|
|
for serverName, server := range configuration.Backends[frontend.Backend].Servers {
|
|
url, err := url.Parse(server.URL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
|
if err := rr.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
}
|
|
// retry ?
|
|
if globalConfiguration.Retry != nil {
|
|
retries := len(configuration.Backends[frontend.Backend].Servers) - 1
|
|
if globalConfiguration.Retry.Attempts > 0 {
|
|
retries = globalConfiguration.Retry.Attempts
|
|
}
|
|
maxMem := int64(2 * 1024 * 1024)
|
|
if globalConfiguration.Retry.MaxMem > 0 {
|
|
maxMem = globalConfiguration.Retry.MaxMem
|
|
}
|
|
lb, err = stream.New(lb,
|
|
stream.Logger(oxyLogger),
|
|
stream.Retry("IsNetworkError() && Attempts() < "+strconv.Itoa(retries)),
|
|
stream.MemRequestBodyBytes(maxMem),
|
|
stream.MaxRequestBodyBytes(maxMem),
|
|
stream.MemResponseBodyBytes(maxMem),
|
|
stream.MaxResponseBodyBytes(maxMem))
|
|
log.Debugf("Creating retries max attempts %d", retries)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
var negroni = negroni.New()
|
|
if configuration.Backends[frontend.Backend].CircuitBreaker != nil {
|
|
log.Debugf("Creating circuit breaker %s", configuration.Backends[frontend.Backend].CircuitBreaker.Expression)
|
|
negroni.Use(middlewares.NewCircuitBreaker(lb, configuration.Backends[frontend.Backend].CircuitBreaker.Expression, cbreaker.Logger(oxyLogger)))
|
|
} else {
|
|
negroni.UseHandler(lb)
|
|
}
|
|
backends[frontend.Backend] = negroni
|
|
} else {
|
|
log.Debugf("Reusing backend %s", frontend.Backend)
|
|
}
|
|
server.wireFrontendBackend(newServerRoute, backends[frontend.Backend])
|
|
}
|
|
err := newServerRoute.route.GetError()
|
|
if err != nil {
|
|
log.Errorf("Error building route: %s", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return serverEntryPoints, nil
|
|
}
|
|
|
|
func (server *Server) wireFrontendBackend(serverRoute *serverRoute, handler http.Handler) {
|
|
// strip prefix
|
|
if len(serverRoute.stripPrefix) > 0 {
|
|
serverRoute.route.Handler(&middlewares.StripPrefix{
|
|
Prefix: serverRoute.stripPrefix,
|
|
Handler: handler,
|
|
})
|
|
} else {
|
|
serverRoute.route.Handler(handler)
|
|
}
|
|
}
|
|
|
|
func (server *Server) loadEntryPointConfig(entryPointName string, entryPoint *EntryPoint) (http.Handler, error) {
|
|
regex := entryPoint.Redirect.Regex
|
|
replacement := entryPoint.Redirect.Replacement
|
|
if len(entryPoint.Redirect.EntryPoint) > 0 {
|
|
regex = "^(?:https?:\\/\\/)?([\\da-z\\.-]+)(?::\\d+)?(.*)$"
|
|
if server.globalConfiguration.EntryPoints[entryPoint.Redirect.EntryPoint] == nil {
|
|
return nil, errors.New("Unknown entrypoint " + entryPoint.Redirect.EntryPoint)
|
|
}
|
|
protocol := "http"
|
|
if server.globalConfiguration.EntryPoints[entryPoint.Redirect.EntryPoint].TLS != nil {
|
|
protocol = "https"
|
|
}
|
|
r, _ := regexp.Compile("(:\\d+)")
|
|
match := r.FindStringSubmatch(server.globalConfiguration.EntryPoints[entryPoint.Redirect.EntryPoint].Address)
|
|
if len(match) == 0 {
|
|
return nil, errors.New("Bad Address format: " + server.globalConfiguration.EntryPoints[entryPoint.Redirect.EntryPoint].Address)
|
|
}
|
|
replacement = protocol + "://$1" + match[0] + "$2"
|
|
}
|
|
rewrite, err := middlewares.NewRewrite(regex, replacement, true)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.Debugf("Creating entryPoint redirect %s -> %s : %s -> %s", entryPointName, entryPoint.Redirect.EntryPoint, regex, replacement)
|
|
negroni := negroni.New()
|
|
negroni.Use(rewrite)
|
|
return negroni, nil
|
|
}
|
|
|
|
func (server *Server) buildDefaultHTTPRouter() *mux.Router {
|
|
router := mux.NewRouter()
|
|
router.NotFoundHandler = http.HandlerFunc(notFoundHandler)
|
|
router.StrictSlash(true)
|
|
return router
|
|
}
|
|
|
|
func getRoute(serverRoute *serverRoute, route *types.Route) error {
|
|
// ⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠
|
|
// TODO: backwards compatibility with DEPRECATED rule.Value
|
|
if len(route.Value) > 0 {
|
|
route.Rule += ":" + route.Value
|
|
log.Warnf("Value %s is DEPRECATED (will be removed in v1.0.0), please refer to the new frontend notation: https://github.com/containous/traefik/blob/master/docs/index.md#-frontends", route.Value)
|
|
}
|
|
// ⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠
|
|
|
|
rules := Rules{route: serverRoute}
|
|
newRoute, err := rules.Parse(route.Rule)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
serverRoute.route = newRoute
|
|
return nil
|
|
}
|
|
|
|
func sortedFrontendNamesForConfig(configuration *types.Configuration) []string {
|
|
keys := []string{}
|
|
for key := range configuration.Frontends {
|
|
keys = append(keys, key)
|
|
}
|
|
sort.Strings(keys)
|
|
return keys
|
|
}
|