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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 connection
import (
"encoding/json"
"io"
"net/http"
"github.com/gorilla/mux"
)
// ConnectionHandler is used to store backend implementations objects
// Also simplifies mocking for unit testing purposes
type ConnectionHandler struct {
// Interface that implements Connectivity operations
// We will set this variable with a mock interface for testing
Client ConnectionManager
}
// createHandler handles creation of the connectivity entry in the database
func (h ConnectionHandler) CreateHandler(w http.ResponseWriter, r *http.Request) {
var v Connection
err := json.NewDecoder(r.Body).Decode(&v)
switch {
case err == io.EOF:
http.Error(w, "Empty body", http.StatusBadRequest)
return
case err != nil:
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
// Name is required.
if v.CloudRegion == "" {
http.Error(w, "Missing name in POST request", http.StatusBadRequest)
return
}
// Cloudowner is required.
if v.CloudOwner == "" {
http.Error(w, "Missing cloudowner in POST request", http.StatusBadRequest)
return
}
// Kubeconfig is required.
if v.Kubeconfig == nil {
http.Error(w, "Missing Kubeconfig 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
}
}
// getHandler handles GET operations on a particular name
// Returns a Connectivity instance
func (h ConnectionHandler) GetHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["connname"]
ret, err := h.Client.Get(name)
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 record
func (h ConnectionHandler) DeleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["connname"]
err := h.Client.Delete(name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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