Added Quorum client with vault config file

Quorum client is used to check the
status of the vault and unseal if found sealed

Change-Id: I113fd64ee8a3ed97b2c445f9a27d7352dc86aaaf
Issue-ID: AAF-130
Signed-off-by: giri <hg0071052@techmahindra.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/sms-quorum/src/smsquorum/quorumclient.go b/sms-quorum/src/smsquorum/quorumclient.go
new file mode 100644
index 0000000..edee934
--- /dev/null
+++ b/sms-quorum/src/smsquorum/quorumclient.go
@@ -0,0 +1,80 @@
+/*
+* Copyright 2018 TechMahindra
+*
+* 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 main
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+)
+
+//This application checks the backend status and
+//calls necessary initialization endpoints on the
+//SMS webservice
+func main() {
+	//Struct to read json configuration file
+	type config struct {
+		B64Key  string `json:"key"`
+		TimeOut string `json:"timeout"`
+	}
+	//Load the config File for reading
+	vcf, err := os.Open("config.json")
+	if err != nil {
+		log.Fatalf("Error reading config file %v", err)
+	}
+
+	cfg := config{}
+	decoder := json.NewDecoder(vcf)
+	err = decoder.Decode(&cfg)
+	if err != nil {
+		log.Fatalf("Error while parsing config file %v", err)
+	}
+
+	duration, _ := time.ParseDuration(cfg.TimeOut)
+
+	for _ = range time.NewTicker(duration).C {
+		//Currently using a localhost host, later will be replaced with
+		//exact url
+		response, err := http.Get("http://localhost:8200/v1/sys/seal-status")
+		if err != nil {
+			log.Fatalf("Error while connecting to SMS webservice %v", err)
+		}
+
+		responseData, err := ioutil.ReadAll(response.Body)
+		if err != nil {
+			log.Fatalf("Error while reading response %v", err)
+		}
+		var data map[string]interface{}
+		json.Unmarshal(responseData, &data)
+		sealed := data["sealed"].(bool)
+		// Unseal the vault if sealed
+		if sealed {
+			decdB64Key, _ := base64.StdEncoding.DecodeString(cfg.B64Key)
+			body := strings.NewReader(`{"key":"` + string(decdB64Key) + `"}`)
+			//below url will be replaced with exact webservice
+			response, err = http.Post("http://127.0.0.1:8200/v1/sys/unseal", "application/x-www-form-urlencoded", body)
+			if err != nil {
+				log.Fatalf("Error while unsealing %v", err)
+			}
+		}
+	}
+}