Move code to pkg
This commit is contained in:
Ludovic Fernandez
Traefiker Bot
parent
bd4c822670
commit
f1b085fa36
465 changed files with 656 additions and 680 deletions
355
api/handler.go
355
api/handler.go
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@ -1,355 +0,0 @@
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package api
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import (
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"io"
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"net/http"
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"github.com/containous/mux"
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"github.com/containous/traefik/config"
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"github.com/containous/traefik/log"
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"github.com/containous/traefik/safe"
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"github.com/containous/traefik/types"
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"github.com/containous/traefik/version"
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assetfs "github.com/elazarl/go-bindata-assetfs"
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thoasstats "github.com/thoas/stats"
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"github.com/unrolled/render"
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)
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// ResourceIdentifier a resource identifier
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type ResourceIdentifier struct {
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ID string `json:"id"`
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Path string `json:"path"`
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}
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// ProviderRepresentation a provider with resource identifiers
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type ProviderRepresentation struct {
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Routers []ResourceIdentifier `json:"routers,omitempty"`
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Middlewares []ResourceIdentifier `json:"middlewares,omitempty"`
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Services []ResourceIdentifier `json:"services,omitempty"`
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}
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// RouterRepresentation extended version of a router configuration with an ID
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type RouterRepresentation struct {
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*config.Router
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ID string `json:"id"`
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}
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// MiddlewareRepresentation extended version of a middleware configuration with an ID
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type MiddlewareRepresentation struct {
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*config.Middleware
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ID string `json:"id"`
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}
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// ServiceRepresentation extended version of a service configuration with an ID
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type ServiceRepresentation struct {
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*config.Service
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ID string `json:"id"`
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}
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// Handler expose api routes
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type Handler struct {
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EntryPoint string
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Dashboard bool
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Debug bool
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CurrentConfigurations *safe.Safe
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Statistics *types.Statistics
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Stats *thoasstats.Stats
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// StatsRecorder *middlewares.StatsRecorder // FIXME stats
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DashboardAssets *assetfs.AssetFS
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}
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var templateRenderer jsonRenderer = render.New(render.Options{Directory: "nowhere"})
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type jsonRenderer interface {
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JSON(w io.Writer, status int, v interface{}) error
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}
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// Append add api routes on a router
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func (h Handler) Append(router *mux.Router) {
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if h.Debug {
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DebugHandler{}.Append(router)
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}
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router.Methods(http.MethodGet).Path("/api/rawdata").HandlerFunc(h.getRawData)
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router.Methods(http.MethodGet).Path("/api/providers").HandlerFunc(h.getProvidersHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}").HandlerFunc(h.getProviderHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/routers").HandlerFunc(h.getRoutersHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/routers/{router}").HandlerFunc(h.getRouterHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/middlewares").HandlerFunc(h.getMiddlewaresHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/middlewares/{middleware}").HandlerFunc(h.getMiddlewareHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/services").HandlerFunc(h.getServicesHandler)
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router.Methods(http.MethodGet).Path("/api/providers/{provider}/services/{service}").HandlerFunc(h.getServiceHandler)
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// FIXME stats
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// health route
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//router.Methods(http.MethodGet).Path("/health").HandlerFunc(p.getHealthHandler)
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version.Handler{}.Append(router)
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if h.Dashboard {
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DashboardHandler{Assets: h.DashboardAssets}.Append(router)
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}
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}
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func (h Handler) getRawData(rw http.ResponseWriter, request *http.Request) {
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if h.CurrentConfigurations != nil {
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currentConfigurations, ok := h.CurrentConfigurations.Get().(config.Configurations)
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if !ok {
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rw.WriteHeader(http.StatusOK)
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return
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}
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err := templateRenderer.JSON(rw, http.StatusOK, currentConfigurations)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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}
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func (h Handler) getProvidersHandler(rw http.ResponseWriter, request *http.Request) {
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// FIXME handle currentConfiguration
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if h.CurrentConfigurations != nil {
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currentConfigurations, ok := h.CurrentConfigurations.Get().(config.Configurations)
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if !ok {
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rw.WriteHeader(http.StatusOK)
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return
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}
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var providers []ResourceIdentifier
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for name := range currentConfigurations {
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providers = append(providers, ResourceIdentifier{
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ID: name,
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Path: "/api/providers/" + name,
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})
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}
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err := templateRenderer.JSON(rw, http.StatusOK, providers)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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}
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func (h Handler) getProviderHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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var routers []ResourceIdentifier
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for name := range provider.HTTP.Routers {
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routers = append(routers, ResourceIdentifier{
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ID: name,
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Path: "/api/providers/" + providerID + "/routers",
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})
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}
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var services []ResourceIdentifier
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for name := range provider.HTTP.Services {
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services = append(services, ResourceIdentifier{
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ID: name,
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Path: "/api/providers/" + providerID + "/services",
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})
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}
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var middlewares []ResourceIdentifier
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for name := range provider.HTTP.Middlewares {
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middlewares = append(middlewares, ResourceIdentifier{
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ID: name,
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Path: "/api/providers/" + providerID + "/middlewares",
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})
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}
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providers := ProviderRepresentation{Routers: routers, Middlewares: middlewares, Services: services}
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err := templateRenderer.JSON(rw, http.StatusOK, providers)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getRoutersHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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var routers []RouterRepresentation
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for name, router := range provider.HTTP.Routers {
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routers = append(routers, RouterRepresentation{Router: router, ID: name})
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}
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err := templateRenderer.JSON(rw, http.StatusOK, routers)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getRouterHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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routerID := mux.Vars(request)["router"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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router, ok := provider.HTTP.Routers[routerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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err := templateRenderer.JSON(rw, http.StatusOK, router)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getMiddlewaresHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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var middlewares []MiddlewareRepresentation
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for name, middleware := range provider.HTTP.Middlewares {
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middlewares = append(middlewares, MiddlewareRepresentation{Middleware: middleware, ID: name})
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}
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err := templateRenderer.JSON(rw, http.StatusOK, middlewares)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getMiddlewareHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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middlewareID := mux.Vars(request)["middleware"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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middleware, ok := provider.HTTP.Middlewares[middlewareID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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err := templateRenderer.JSON(rw, http.StatusOK, middleware)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getServicesHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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var services []ServiceRepresentation
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for name, service := range provider.HTTP.Services {
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services = append(services, ServiceRepresentation{Service: service, ID: name})
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}
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err := templateRenderer.JSON(rw, http.StatusOK, services)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h Handler) getServiceHandler(rw http.ResponseWriter, request *http.Request) {
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providerID := mux.Vars(request)["provider"]
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serviceID := mux.Vars(request)["service"]
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currentConfigurations := h.CurrentConfigurations.Get().(config.Configurations)
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provider, ok := currentConfigurations[providerID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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if provider.HTTP == nil {
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http.NotFound(rw, request)
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return
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}
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service, ok := provider.HTTP.Services[serviceID]
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if !ok {
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http.NotFound(rw, request)
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return
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}
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err := templateRenderer.JSON(rw, http.StatusOK, service)
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if err != nil {
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log.FromContext(request.Context()).Error(err)
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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}
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}
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