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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"
"io/ioutil"
"k8splugin/rb"
"net/http"
"github.com/gorilla/mux"
)
// Used to store backend implementations objects
// Also simplifies mocking for unit testing purposes
type rbDefinitionHandler struct {
// Interface that implements bundle Definition operations
// We will set this variable with a mock interface for testing
client rb.DefinitionManager
}
// createHandler handles creation of the definition entry in the database
func (h rbDefinitionHandler) createHandler(w http.ResponseWriter, r *http.Request) {
var v rb.Definition
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.client.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
}
}
// uploadHandler handles upload of the bundle tar file into the database
func (h rbDefinitionHandler) uploadHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
uuid := vars["rbdID"]
if r.Body == nil {
http.Error(w, "Empty Body", http.StatusBadRequest)
return
}
inpBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
http.Error(w, "Unable to read body", http.StatusBadRequest)
return
}
err = h.client.Upload(uuid, inpBytes)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}
// listHandler handles GET (list) operations on the endpoint
// Returns a list of rb.Definitions
func (h rbDefinitionHandler) listHandler(w http.ResponseWriter, r *http.Request) {
ret, err := h.client.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
}
}
// getHandler handles GET operations on a particular ids
// Returns a rb.Definition
func (h rbDefinitionHandler) getHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["rbdID"]
ret, err := h.client.Get(id)
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
}
}
// deleteHandler handles DELETE operations on a particular bundle definition id
func (h rbDefinitionHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["rbdID"]
err := h.client.Delete(id)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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