Import all indexes from elasticsearch "http://localhost:9200/_all/_settings,_mapping"

import_indexes.js

var fs = require('fs');
var querystring = require('querystring');
var http = require('http');

var indexs = JSON.parse(fs.readFileSync('indexes.json', 'utf8'));
var host = '192.168.186.143';
    port = '9200',
    postData = "",
    indexName = "";

for (indexName in indexs) {
    postData = JSON.stringify(indexs[indexName]);
    console.log('postData', postData);
    var options = {
        host: host,
        port: port,
        path: '/' + indexName,
        method: 'POST',
        headers: {
          'Content-Type': 'application/x-www-form-urlencoded',
          'Content-Length': postData.length
        }
    }

    var req = http.request(options, (res) => {
      console.log(`STATUS: ${res.statusCode}`);
      console.log(`HEADERS: ${JSON.stringify(res.headers)}`);
      res.setEncoding('utf8');
      res.on('data', (chunk) => {
         console.log(`BODY: ${chunk}`);
      });
      res.on('end', () => {
         console.log('No more data in response.')
      })
    });

    req.on('error', (e) => {
      console.log(`problem with request: ${e.message}`);
    });

    req.write(postData);
    req.end();
}