sample_backup_and_rotate.js

import os from "os";

// node-mongotools users must use this line
// import { MongoTools, MTOptions, MTCommand } from "node-mongotools";
// import from inside project
import {MongoTools, MTCommand} from "../lib/mt.js";

async function dumpAndRotate(uri, path) {
    const mt = new MongoTools();
    const mtc = new MTCommand();// to reuse log methods
    // mongodump
    const dumpResult = await mt.mongodump({uri, path})
        .catch(mtc.logError.bind(mtc));
    if (dumpResult === undefined) {// error case
        process.exit(1);
    }
    mtc.logSuccess(dumpResult);

    // backups rotation
    const rotationResult = await mt.rotation({path, rotationWindowsDays: 5, rotationMinCount: 1})
        .catch(mtc.logError.bind(mtc));
    if (rotationResult === undefined) {// error case
        process.exit(1);
    }
    mtc.logSuccess(rotationResult);
}

const uri = process.env.MY_MONGO_URI
const path = `backup/${os.hostname()}`;

dumpAndRotate(uri, path)
    .then(r => console.log(r))
    .catch(err => console.log(err));