func (provider *WebProvider) getFrontendsHandler(response http.ResponseWriter, request *http.Request) {
vars := mux.Vars(request)
providerID := vars["provider"]
currentConfigurations := provider.server.currentConfigurations.Get().(configs)
if provider, ok := currentConfigurations[providerID]; ok {
templatesRenderer.JSON(response, http.StatusOK, provider.Frontends)
} else {
http.NotFound(response, request)
}
}
func (provider *WebProvider) getRoutesHandler(response http.ResponseWriter, request *http.Request) {
vars := mux.Vars(request)
providerID := vars["provider"]
frontendID := vars["frontend"]
currentConfigurations := provider.server.currentConfigurations.Get().(configs)
if provider, ok := currentConfigurations[providerID]; ok {
if frontend, ok := provider.Frontends[frontendID]; ok {
templatesRenderer.JSON(response, http.StatusOK, frontend.Routes)
return
}
}
http.NotFound(response, request)
}
func (provider *WebProvider) getServerHandler(response http.ResponseWriter, request *http.Request) {
vars := mux.Vars(request)
providerID := vars["provider"]
backendID := vars["backend"]
serverID := vars["server"]
currentConfigurations := provider.server.currentConfigurations.Get().(configs)
if provider, ok := currentConfigurations[providerID]; ok {
if backend, ok := provider.Backends[backendID]; ok {
if server, ok := backend.Servers[serverID]; ok {
templatesRenderer.JSON(response, http.StatusOK, server)
return
}
}
}
http.NotFound(response, request)
}
// Provide allows the provider to provide configurations to traefik
// using the given configuration channel.
func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, _ []types.Constraint) error {
systemRouter := mux.NewRouter()
// health route
systemRouter.Methods("GET").Path("/health").HandlerFunc(provider.getHealthHandler)
// API routes
systemRouter.Methods("GET").Path("/api").HandlerFunc(provider.getConfigHandler)
systemRouter.Methods("GET").Path("/api/providers").HandlerFunc(provider.getConfigHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}").HandlerFunc(provider.getProviderHandler)
systemRouter.Methods("PUT").Path("/api/providers/{provider}").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
if provider.ReadOnly {
response.WriteHeader(http.StatusForbidden)
fmt.Fprintf(response, "REST API is in read-only mode")
return
}
vars := mux.Vars(request)
if vars["provider"] != "web" {
response.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(response, "Only 'web' provider can be updated through the REST API")
return
}
configuration := new(types.Configuration)
body, _ := ioutil.ReadAll(request.Body)
err := json.Unmarshal(body, configuration)
if err == nil {
configurationChan <- types.ConfigMessage{"web", configuration}
provider.getConfigHandler(response, request)
} else {
log.Errorf("Error parsing configuration %+v", err)
http.Error(response, fmt.Sprintf("%+v", err), http.StatusBadRequest)
}
})
systemRouter.Methods("GET").Path("/api/providers/{provider}/backends").HandlerFunc(provider.getBackendsHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}").HandlerFunc(provider.getBackendHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers").HandlerFunc(provider.getServersHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers/{server}").HandlerFunc(provider.getServerHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends").HandlerFunc(provider.getFrontendsHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}").HandlerFunc(provider.getFrontendHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}/routes").HandlerFunc(provider.getRoutesHandler)
systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}/routes/{route}").HandlerFunc(provider.getRouteHandler)
// Expose dashboard
systemRouter.Methods("GET").Path("/").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
http.Redirect(response, request, "/dashboard/", 302)
})
systemRouter.Methods("GET").PathPrefix("/dashboard/").Handler(http.StripPrefix("/dashboard/", http.FileServer(&assetfs.AssetFS{Asset: autogen.Asset, AssetInfo: autogen.AssetInfo, AssetDir: autogen.AssetDir, Prefix: "static"})))
// expvars
if provider.server.globalConfiguration.Debug {
systemRouter.Methods("GET").Path("/debug/vars").HandlerFunc(expvarHandler)
}
go func() {
if len(provider.CertFile) > 0 && len(provider.KeyFile) > 0 {
err := http.ListenAndServeTLS(provider.Address, provider.CertFile, provider.KeyFile, systemRouter)
if err != nil {
log.Fatal("Error creating server: ", err)
}
} else {
err := http.ListenAndServe(provider.Address, systemRouter)
if err != nil {
log.Fatal("Error creating server: ", err)
}
}
}()
return nil
}
