traefik/pkg/api/handler_entrypoint.go

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package api
import (
"encoding/json"
"net/http"
"sort"
"strconv"
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"github.com/containous/traefik/v2/pkg/config/static"
"github.com/containous/traefik/v2/pkg/log"
"github.com/gorilla/mux"
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)
type entryPointRepresentation struct {
*static.EntryPoint
Name string `json:"name,omitempty"`
}
func (h Handler) getEntryPoints(rw http.ResponseWriter, request *http.Request) {
results := make([]entryPointRepresentation, 0, len(h.staticConfig.EntryPoints))
for name, ep := range h.staticConfig.EntryPoints {
results = append(results, entryPointRepresentation{
EntryPoint: ep,
Name: name,
})
}
sort.Slice(results, func(i, j int) bool {
return results[i].Name < results[j].Name
})
pageInfo, err := pagination(request, len(results))
if err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Header().Set(nextPageHeader, strconv.Itoa(pageInfo.nextPage))
err = json.NewEncoder(rw).Encode(results[pageInfo.startIndex:pageInfo.endIndex])
if err != nil {
log.FromContext(request.Context()).Error(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
}
func (h Handler) getEntryPoint(rw http.ResponseWriter, request *http.Request) {
entryPointID := mux.Vars(request)["entryPointID"]
ep, ok := h.staticConfig.EntryPoints[entryPointID]
if !ok {
http.NotFound(rw, request)
return
}
result := entryPointRepresentation{
EntryPoint: ep,
Name: entryPointID,
}
rw.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(rw).Encode(result)
if err != nil {
log.FromContext(request.Context()).Error(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
}