package api import ( "encoding/json" "fmt" "net/http" "strconv" "strings" "github.com/gorilla/mux" "github.com/rs/zerolog/log" "github.com/traefik/traefik/v2/pkg/config/runtime" ) type tcpRouterRepresentation struct { *runtime.TCPRouterInfo Name string `json:"name,omitempty"` Provider string `json:"provider,omitempty"` } func newTCPRouterRepresentation(name string, rt *runtime.TCPRouterInfo) tcpRouterRepresentation { return tcpRouterRepresentation{ TCPRouterInfo: rt, Name: name, Provider: getProviderName(name), } } type tcpServiceRepresentation struct { *runtime.TCPServiceInfo Name string `json:"name,omitempty"` Provider string `json:"provider,omitempty"` Type string `json:"type,omitempty"` } func newTCPServiceRepresentation(name string, si *runtime.TCPServiceInfo) tcpServiceRepresentation { return tcpServiceRepresentation{ TCPServiceInfo: si, Name: name, Provider: getProviderName(name), Type: strings.ToLower(extractType(si.TCPService)), } } type tcpMiddlewareRepresentation struct { *runtime.TCPMiddlewareInfo Name string `json:"name,omitempty"` Provider string `json:"provider,omitempty"` Type string `json:"type,omitempty"` } func newTCPMiddlewareRepresentation(name string, mi *runtime.TCPMiddlewareInfo) tcpMiddlewareRepresentation { return tcpMiddlewareRepresentation{ TCPMiddlewareInfo: mi, Name: name, Provider: getProviderName(name), Type: strings.ToLower(extractType(mi.TCPMiddleware)), } } func (h Handler) getTCPRouters(rw http.ResponseWriter, request *http.Request) { results := make([]tcpRouterRepresentation, 0, len(h.runtimeConfiguration.TCPRouters)) query := request.URL.Query() criterion := newSearchCriterion(query) for name, rt := range h.runtimeConfiguration.TCPRouters { if keepTCPRouter(name, rt, criterion) { results = append(results, newTCPRouterRepresentation(name, rt)) } } sortRouters(query, results) rw.Header().Set("Content-Type", "application/json") pageInfo, err := pagination(request, len(results)) if err != nil { writeError(rw, err.Error(), http.StatusBadRequest) return } rw.Header().Set(nextPageHeader, strconv.Itoa(pageInfo.nextPage)) err = json.NewEncoder(rw).Encode(results[pageInfo.startIndex:pageInfo.endIndex]) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func (h Handler) getTCPRouter(rw http.ResponseWriter, request *http.Request) { routerID := mux.Vars(request)["routerID"] rw.Header().Set("Content-Type", "application/json") router, ok := h.runtimeConfiguration.TCPRouters[routerID] if !ok { writeError(rw, fmt.Sprintf("router not found: %s", routerID), http.StatusNotFound) return } result := newTCPRouterRepresentation(routerID, router) err := json.NewEncoder(rw).Encode(result) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func (h Handler) getTCPServices(rw http.ResponseWriter, request *http.Request) { results := make([]tcpServiceRepresentation, 0, len(h.runtimeConfiguration.TCPServices)) query := request.URL.Query() criterion := newSearchCriterion(query) for name, si := range h.runtimeConfiguration.TCPServices { if keepTCPService(name, si, criterion) { results = append(results, newTCPServiceRepresentation(name, si)) } } sortServices(query, results) rw.Header().Set("Content-Type", "application/json") pageInfo, err := pagination(request, len(results)) if err != nil { writeError(rw, err.Error(), http.StatusBadRequest) return } rw.Header().Set(nextPageHeader, strconv.Itoa(pageInfo.nextPage)) err = json.NewEncoder(rw).Encode(results[pageInfo.startIndex:pageInfo.endIndex]) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func (h Handler) getTCPService(rw http.ResponseWriter, request *http.Request) { serviceID := mux.Vars(request)["serviceID"] rw.Header().Set("Content-Type", "application/json") service, ok := h.runtimeConfiguration.TCPServices[serviceID] if !ok { writeError(rw, fmt.Sprintf("service not found: %s", serviceID), http.StatusNotFound) return } result := newTCPServiceRepresentation(serviceID, service) err := json.NewEncoder(rw).Encode(result) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func (h Handler) getTCPMiddlewares(rw http.ResponseWriter, request *http.Request) { results := make([]tcpMiddlewareRepresentation, 0, len(h.runtimeConfiguration.Middlewares)) query := request.URL.Query() criterion := newSearchCriterion(query) for name, mi := range h.runtimeConfiguration.TCPMiddlewares { if keepTCPMiddleware(name, mi, criterion) { results = append(results, newTCPMiddlewareRepresentation(name, mi)) } } sortMiddlewares(query, results) rw.Header().Set("Content-Type", "application/json") pageInfo, err := pagination(request, len(results)) if err != nil { writeError(rw, err.Error(), http.StatusBadRequest) return } rw.Header().Set(nextPageHeader, strconv.Itoa(pageInfo.nextPage)) err = json.NewEncoder(rw).Encode(results[pageInfo.startIndex:pageInfo.endIndex]) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func (h Handler) getTCPMiddleware(rw http.ResponseWriter, request *http.Request) { middlewareID := mux.Vars(request)["middlewareID"] rw.Header().Set("Content-Type", "application/json") middleware, ok := h.runtimeConfiguration.TCPMiddlewares[middlewareID] if !ok { writeError(rw, fmt.Sprintf("middleware not found: %s", middlewareID), http.StatusNotFound) return } result := newTCPMiddlewareRepresentation(middlewareID, middleware) err := json.NewEncoder(rw).Encode(result) if err != nil { log.Ctx(request.Context()).Error().Err(err).Send() writeError(rw, err.Error(), http.StatusInternalServerError) } } func keepTCPRouter(name string, item *runtime.TCPRouterInfo, criterion *searchCriterion) bool { if criterion == nil { return true } return criterion.withStatus(item.Status) && criterion.searchIn(item.Rule, name) && criterion.filterService(item.Service) && criterion.filterMiddleware(item.Middlewares) } func keepTCPService(name string, item *runtime.TCPServiceInfo, criterion *searchCriterion) bool { if criterion == nil { return true } return criterion.withStatus(item.Status) && criterion.searchIn(name) } func keepTCPMiddleware(name string, item *runtime.TCPMiddlewareInfo, criterion *searchCriterion) bool { if criterion == nil { return true } return criterion.withStatus(item.Status) && criterion.searchIn(name) }