Initial seed code for distributed KV store

This patch includes the initial seed code for KV store.

Subsequent patches will include documentation, API ref and
unit tests.

Change-Id: I6296215b6b796400947ba925a2d8c46380e16992
Issue-ID: MUSIC-23
Signed-off-by: Shashank Kumar Shankar <shashank.kumar.shankar@intel.com>

1 files changed, 108 insertions, 0 deletions

diff --git a/api/endpointViews.go b/api/endpointViews.go
new file mode 100644
index 0000000..3c47ee5
--- /dev/null
+++ b/api/endpointViews.go
@@ -0,0 +1,108 @@
+/*
+ * 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"
+	"github.com/gorilla/mux"
+	"net/http"
+)
+
+var getkvs = GetKVsFromConsul
+
+func HandlePOST(w http.ResponseWriter, r *http.Request) {
+
+	var body LoadStruct
+
+	decoder := json.NewDecoder(r.Body)
+	err := decoder.Decode(&body)
+
+	if err != nil {
+		req := ResponseStringStruct{Response: "Empty body."}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(&req)
+		return
+	}
+
+	err = ValidateBody(body)
+
+	if err != nil {
+		req := ResponseStringStruct{Response: string(err.Error())}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(req)
+		return
+	}
+
+	err = KVStruct.ReadConfigs(body)
+
+	if err != nil {
+		req := ResponseStringStruct{Response: string(err.Error())}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(req)
+		return
+	}
+
+	err = KVStruct.WriteKVsToConsul()
+
+	if err != nil {
+		req := ResponseStringStruct{Response: string(err.Error())}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(req)
+	} else {
+		req := ResponseStringStruct{Response: "Configuration read and default Key Values loaded to Consul"}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(&req)
+	}
+}
+
+func HandleGET(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	key := vars["key"]
+
+	value, err := GetKVFromConsul(key)
+
+	if err != nil {
+		req := ResponseStringStruct{Response: string(err.Error())}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(req)
+	} else {
+		req := ResponseGETStruct{Response: map[string]string{key: value}}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(req)
+	}
+}
+
+func HandleGETS(w http.ResponseWriter, r *http.Request) {
+
+	values, err := getkvs()
+
+	if err != nil {
+		req := ResponseStringStruct{Response: string(err.Error())}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(req)
+	} else {
+		req := ResponseGETSStruct{Response: values}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(req)
+	}
+}