feat: API REST endpoint review
This commit is contained in:
Fernandez Ludovic
parent
dece3bbf13
commit
a7a942fbeb
1 changed files with 103 additions and 99 deletions
202
web.go
202
web.go
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@ -6,7 +6,6 @@ import (
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"io/ioutil"
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"net/http"
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"github.com/BurntSushi/ty/fun"
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log "github.com/Sirupsen/logrus"
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"github.com/elazarl/go-bindata-assetfs"
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"github.com/gorilla/mux"
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@ -17,44 +16,47 @@ type WebProvider struct {
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CertFile, KeyFile string
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}
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type Page struct {
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Configurations configs
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}
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func (provider *WebProvider) Provide(configurationChan chan<- configMessage) error {
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systemRouter := mux.NewRouter()
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systemRouter.Methods("GET").Path("/").Handler(http.HandlerFunc(GetHTMLConfigHandler))
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systemRouter.Methods("GET").Path("/health").Handler(http.HandlerFunc(GetHealthHandler))
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systemRouter.Methods("GET").Path("/api").Handler(http.HandlerFunc(GetConfigHandler))
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systemRouter.Methods("GET").Path("/api/providers").Handler(http.HandlerFunc(GetProvidersHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}").Handler(http.HandlerFunc(GetConfigHandler))
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systemRouter.Methods("PUT").Path("/api/providers/{provider}").Handler(http.HandlerFunc(
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func(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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if vars["provider"] != "web" {
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rw.WriteHeader(http.StatusBadRequest)
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fmt.Fprintf(rw, "Only 'web' provider can be updated through the REST API")
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return
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}
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configuration := new(Configuration)
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b, _ := ioutil.ReadAll(r.Body)
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err := json.Unmarshal(b, configuration)
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if err == nil {
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configurationChan <- configMessage{"web", configuration}
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GetConfigHandler(rw, r)
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} else {
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log.Errorf("Error parsing configuration %+v", err)
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http.Error(rw, fmt.Sprintf("%+v", err), http.StatusBadRequest)
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}
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}))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends").Handler(http.HandlerFunc(GetBackendsHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}").Handler(http.HandlerFunc(GetBackendHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers").Handler(http.HandlerFunc(GetServersHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers/{server}").Handler(http.HandlerFunc(GetServerHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends").Handler(http.HandlerFunc(GetFrontendsHandler))
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systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}").Handler(http.HandlerFunc(GetFrontendHandler))
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systemRouter.Methods("GET").PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "static"})))
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// health route
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systemRouter.Methods("GET").Path("/health").HandlerFunc(getHealthHandler)
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// API routes
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systemRouter.Methods("GET").Path("/api").HandlerFunc(getConfigHandler)
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systemRouter.Methods("GET").Path("/api/providers").HandlerFunc(getConfigHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}").HandlerFunc(getProviderHandler)
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systemRouter.Methods("PUT").Path("/api/providers/{provider}").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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if vars["provider"] != "web" {
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response.WriteHeader(http.StatusBadRequest)
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fmt.Fprintf(response, "Only 'web' provider can be updated through the REST API")
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return
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}
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configuration := new(Configuration)
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body, _ := ioutil.ReadAll(request.Body)
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err := json.Unmarshal(body, configuration)
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if err == nil {
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configurationChan <- configMessage{"web", configuration}
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getConfigHandler(response, request)
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} else {
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log.Errorf("Error parsing configuration %+v", err)
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http.Error(response, fmt.Sprintf("%+v", err), http.StatusBadRequest)
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}
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})
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends").HandlerFunc(getBackendsHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}").HandlerFunc(getBackendHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers").HandlerFunc(getServersHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers/{server}").HandlerFunc(getServerHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends").HandlerFunc(getFrontendsHandler)
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systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}").HandlerFunc(getFrontendHandler)
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// Expose dashboard
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systemRouter.Methods("GET").Path("/").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
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http.Redirect(response, request, "/dashboard/", 302)
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})
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systemRouter.Methods("GET").PathPrefix("/dashboard/").Handler(http.StripPrefix("/dashboard/", http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "static"})))
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go func() {
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if len(provider.CertFile) > 0 && len(provider.KeyFile) > 0 {
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@ -72,93 +74,95 @@ func (provider *WebProvider) Provide(configurationChan chan<- configMessage) err
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return nil
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}
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func GetConfigHandler(rw http.ResponseWriter, r *http.Request) {
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templatesRenderer.JSON(rw, http.StatusOK, currentConfigurations)
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func getHealthHandler(response http.ResponseWriter, request *http.Request) {
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templatesRenderer.JSON(response, http.StatusOK, metrics.Data())
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}
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func GetHTMLConfigHandler(response http.ResponseWriter, request *http.Request) {
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templatesRenderer.HTML(response, http.StatusOK, "configuration", Page{Configurations: currentConfigurations})
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func getConfigHandler(response http.ResponseWriter, request *http.Request) {
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templatesRenderer.JSON(response, http.StatusOK, currentConfigurations)
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}
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func GetHealthHandler(rw http.ResponseWriter, r *http.Request) {
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templatesRenderer.JSON(rw, http.StatusOK, metrics.Data())
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}
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func GetProvidersHandler(rw http.ResponseWriter, r *http.Request) {
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templatesRenderer.JSON(rw, http.StatusOK, fun.Keys(currentConfigurations))
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}
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func GetBackendsHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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if provider, ok := currentConfigurations[providerId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, provider.Backends)
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func getProviderHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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if provider, ok := currentConfigurations[providerID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, provider)
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} else {
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http.NotFound(rw, r)
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http.NotFound(response, request)
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}
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}
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func GetBackendHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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backendId := vars["backend"]
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if provider, ok := currentConfigurations[providerId]; ok {
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if backend, ok := provider.Backends[backendId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, backend)
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return
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}
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}
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http.NotFound(rw, r)
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}
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func GetFrontendsHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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if provider, ok := currentConfigurations[providerId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, provider.Frontends)
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func getBackendsHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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if provider, ok := currentConfigurations[providerID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, provider.Backends)
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} else {
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http.NotFound(rw, r)
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http.NotFound(response, request)
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}
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}
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func GetFrontendHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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frontendId := vars["frontend"]
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if provider, ok := currentConfigurations[providerId]; ok {
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if frontend, ok := provider.Frontends[frontendId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, frontend)
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func getBackendHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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backendID := vars["backend"]
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if provider, ok := currentConfigurations[providerID]; ok {
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if backend, ok := provider.Backends[backendID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, backend)
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return
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}
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}
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http.NotFound(rw, r)
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http.NotFound(response, request)
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}
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func GetServersHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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backendId := vars["backend"]
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if provider, ok := currentConfigurations[providerId]; ok {
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if backend, ok := provider.Backends[backendId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, backend.Servers)
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func getFrontendsHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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if provider, ok := currentConfigurations[providerID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, provider.Frontends)
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} else {
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http.NotFound(response, request)
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}
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}
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func getFrontendHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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frontendID := vars["frontend"]
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if provider, ok := currentConfigurations[providerID]; ok {
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if frontend, ok := provider.Frontends[frontendID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, frontend)
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return
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}
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}
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http.NotFound(rw, r)
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http.NotFound(response, request)
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}
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func GetServerHandler(rw http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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providerId := vars["provider"]
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backendId := vars["backend"]
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serverId := vars["server"]
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if provider, ok := currentConfigurations[providerId]; ok {
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if backend, ok := provider.Backends[backendId]; ok {
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if server, ok := backend.Servers[serverId]; ok {
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templatesRenderer.JSON(rw, http.StatusOK, server)
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func getServersHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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backendID := vars["backend"]
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if provider, ok := currentConfigurations[providerID]; ok {
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if backend, ok := provider.Backends[backendID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, backend.Servers)
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return
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}
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}
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http.NotFound(response, request)
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}
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func getServerHandler(response http.ResponseWriter, request *http.Request) {
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vars := mux.Vars(request)
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providerID := vars["provider"]
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backendID := vars["backend"]
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serverID := vars["server"]
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if provider, ok := currentConfigurations[providerID]; ok {
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if backend, ok := provider.Backends[backendID]; ok {
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if server, ok := backend.Servers[serverID]; ok {
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templatesRenderer.JSON(response, http.StatusOK, server)
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return
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}
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}
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}
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http.NotFound(rw, r)
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http.NotFound(response, request)
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}
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