feat:351-Backup-Restore-Operation-of-database

Author: vikrantsingh22

backup/erpbackup.js

@@ -0,0 +1,43 @@
+import { spawn } from "child_process";
+// import { error } from "console";
+import path from "path";
+// import { exit } from "process";
+import cron from "node-cron";
+
+const databasename = "test";
+// in future it will be replaced by the actual databasename
+
+const archivedPath = path.join(path.resolve(), "..", `${databasename}.gzip`);
+
+// console.log(archivedPath);
+
+// erpBackup();
+
+function erpBackup() {
+  const childProcess1 = spawn("mongodump", [
+    `--db=${databasename}`,
+    `--archive=${archivedPath}`,
+    "--gzip",
+  ]);
+  childProcess1.stdout.on("data", (data) => {
+    console.log("stdout:\n", Buffer.from(data).toString());
+  });
+  childProcess1.stderr.on("data", (data) => {
+    console.log("stderr:\n", Buffer.from(data).toString());
+  });
+  childProcess1.on("error", (error) => {
+    console.log(error);
+  });
+  childProcess1.on("exit", (code, signal) => {
+    if (code) {
+      console.log("process ends with a code:", code);
+    } else if (signal) {
+      console.log("process ends with a signal:", signal);
+    } else {
+      console.log("process ends successfully");
+    }
+  });
+}
+// backup after every 24 hour
+// cron.schedule("0 0 * * *", () => erpBackup());
+cron.schedule("*/10 * * * * *", () => erpBackup());

backup/erprestore.js

@@ -0,0 +1,41 @@
+import { spawn } from "child_process";
+// import { error } from "console";
+import path from "path";
+// import { exit } from "process";
+
+const databasename = "test";
+// in future it will be replaced by the actual databasename
+
+const archivedPath = path.join(path.resolve(), "..", `${databasename}.gzip`);
+
+// console.log(archivedPath);
+
+// erpBackup();
+
+function erpRestore() {
+  const childProcess1 = spawn("mongorestore", [
+    `--db=${databasename}`,
+    `--archive=${archivedPath}`,
+    "--gzip",
+  ]);
+  childProcess1.stdout.on("data", (data) => {
+    console.log("stdout:\n", Buffer.from(data).toString());
+  });
+  childProcess1.stderr.on("data", (data) => {
+    console.log("stderr:\n", Buffer.from(data).toString());
+  });
+  childProcess1.on("error", (error) => {
+    console.log(error);
+  });
+  childProcess1.on("exit", (code, signal) => {
+    if (code) {
+      console.log("process ends with a code:", code);
+    } else if (signal) {
+      console.log("process ends with a signal:", signal);
+    } else {
+      console.log("Database Restored successfully");
+    }
+  });
+}
+
+erpRestore();

package-lock.json

@@ -25,7 +25,9 @@
     "testWin": "SET NODE_OPTIONS=--experimental-vm-modules && npx jest",
     "testWin:watch": "SET NODE_OPTIONS=--experimental-vm-modules && npx jest --watch",
     "testWin:openHandles": "SET NODE_OPTIONS=--experimental-vm-modules && npx jest --detectOpenHandles",
-    "eslint": "eslint"
+    "eslint": "eslint",
+    "backup": "node ./backup/erpbackup",
+    "restore":"node ./backup/erprestore"
   },
   "dependencies": {
     "apidoc": "^1.1.0",
@@ -39,6 +41,7 @@
     "jsonwebtoken": "^9.0.0",
     "mongoose": "^6.9.0",
     "morgan": "~1.9.1",
+    "node-cron": "^3.0.2",
     "nodemailer": "^6.9.1",
     "supertest": "^6.3.3",
     "winston": "^3.8.2",