Add Connectivity Info API

API to add connectivity information for
Cloud Regions to K8s Plugin
https://wiki.onap.org/display/DW/MultiCloud+K8s-Plugin-service+API%27s

Change-Id: I0a9166df9b076a7fdacf0b2f9e51a9cdebe4b621
Signed-off-by: rsood <ritu.sood@intel.com>
Issue-ID: MULTICLOUD-292
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

1 files changed, 120 insertions, 0 deletions

diff --git a/src/k8splugin/internal/connection/connectionhandler.go b/src/k8splugin/internal/connection/connectionhandler.go
new file mode 100644
index 00000000..ddb43f57
--- /dev/null
+++ b/src/k8splugin/internal/connection/connectionhandler.go
@@ -0,0 +1,120 @@
+/*
+ * 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.ConnectionName == "" {
+		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
+	}
+
+	// CloudRegionID is required.
+	if v.CloudRegionID == "" {
+		http.Error(w, "Missing CloudRegionID in POST request", http.StatusBadRequest)
+		return
+	}
+
+	// CloudRegionID 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)
+}