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/*
* Copyright 2018 Intel Corporation, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package api
import (
"encoding/json"
"net/http"
"k8splugin/vnfd"
"github.com/gorilla/mux"
)
// Used to store backend implementations objects
// Also simplifies mocking for unit testing purposes
type vnfdHandler struct {
// Interface that implements vnfDefinition operations
// We will set this variable with a mock interface for testing
vnfdClient vnfd.VNFDefinitionInterface
}
// vnfdCreateHandler handles creation of the vnfd entry in the database
func (h vnfdHandler) vnfdCreateHandler(w http.ResponseWriter, r *http.Request) {
var v vnfd.VNFDefinition
if r.Body == nil {
http.Error(w, "Empty body", http.StatusBadRequest)
return
}
err := json.NewDecoder(r.Body).Decode(&v)
if err != nil {
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
// Name is required.
if v.Name == "" {
http.Error(w, "Missing name in POST request", http.StatusBadRequest)
return
}
ret, err := h.vnfdClient.Create(v)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// vnfdUploadHandler handles upload of the vnf tar file into the database
// Note: This will be implemented in a different patch
func (h vnfdHandler) vnfdUploadHandler(w http.ResponseWriter, r *http.Request) {
}
// vnfdListHandler handles GET (list) operations on the /v1/vnfd endpoint
// Returns a list of vnfd.VNFDefinitions
func (h vnfdHandler) vnfdListHandler(w http.ResponseWriter, r *http.Request) {
ret, err := h.vnfdClient.List()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// vnfdGetHandler handles GET operations on a particular VNFID
// Returns a vnfd.VNFDefinition
func (h vnfdHandler) vnfdGetHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
vnfdID := vars["vnfdID"]
ret, err := h.vnfdClient.Get(vnfdID)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// vnfdDeleteHandler handles DELETE operations on a particular VNFID
func (h vnfdHandler) vnfdDeleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
vnfdID := vars["vnfdID"]
err := h.vnfdClient.Delete(vnfdID)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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