diff options
author | Bin Yang <bin.yang@windriver.com> | 2019-07-16 00:52:24 +0000 |
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committer | Gerrit Code Review <gerrit@onap.org> | 2019-07-16 00:52:24 +0000 |
commit | ba4a7991e10172a31cec65ae5c9ad11cbb1b806b (patch) | |
tree | c4e14b0cc27dece033e672833ec2040120ef77cb /src/k8splugin/api/connectionhandler.go | |
parent | 70f54e61d7081507760a8d876e13b2088f9ff58f (diff) | |
parent | 6b911a5168a72e8659309db7349750cdec6eb8d2 (diff) |
Merge "Move connectionhandler.go into api package"
Diffstat (limited to 'src/k8splugin/api/connectionhandler.go')
-rw-r--r-- | src/k8splugin/api/connectionhandler.go | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/k8splugin/api/connectionhandler.go b/src/k8splugin/api/connectionhandler.go new file mode 100644 index 00000000..21250b14 --- /dev/null +++ b/src/k8splugin/api/connectionhandler.go @@ -0,0 +1,146 @@ +/* + * 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 ( + "bytes" + "encoding/base64" + "encoding/json" + "io" + "io/ioutil" + "net/http" + + "github.com/onap/multicloud-k8s/src/k8splugin/internal/connection" + + "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 connection.ConnectionManager +} + +// CreateHandler handles creation of the connectivity entry in the database +// This is a multipart handler. See following example curl request +// curl -i -F "metadata={\"cloud-region\":\"kud\",\"cloud-owner\":\"me\"};type=application/json" \ +// -F file=@/home/user/.kube/config \ +// -X POST http://localhost:8081/v1/connectivity-info +func (h connectionHandler) createHandler(w http.ResponseWriter, r *http.Request) { + var v connection.Connection + + // Implemenation using multipart form + // Review and enable/remove at a later date + // Set Max size to 16mb here + err := r.ParseMultipartForm(16777216) + if err != nil { + http.Error(w, err.Error(), http.StatusUnprocessableEntity) + return + } + + jsn := bytes.NewBuffer([]byte(r.FormValue("metadata"))) + err = json.NewDecoder(jsn).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 + } + + //Read the file section and ignore the header + file, _, err := r.FormFile("file") + if err != nil { + http.Error(w, "Unable to process file", http.StatusUnprocessableEntity) + return + } + + defer file.Close() + + //Convert the file content to base64 for storage + content, err := ioutil.ReadAll(file) + if err != nil { + http.Error(w, "Unable to read file", http.StatusUnprocessableEntity) + return + } + + v.Kubeconfig = base64.StdEncoding.EncodeToString(content) + + 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) +} |