aws ec2 nodejs

awsFile.js

var AWS = require('aws-sdk');
AWS.config.loadFromPath('./config.json');
AWS.config.region = 'ap-southeast-1';

//1. download
// var s3 = new AWS.S3();
// var file = require('fs').createWriteStream('./docConv.html');
// var params = {Bucket: 'bpctest', Key: 'docConv.html'};


// s3.getObject(params).
// on('httpData', function(chunk) { console.log("wtf");file.write(chunk); }).
// on('httpDone', function() { console.log("wtf?");file.end(); }).
// send();

//2. get url
var s3 = new AWS.S3();
var params = {Bucket: 'bpctest', Key: 'test.html'};

s3.getSignedUrl('getObject', params, function (err, url) {
  console.log("The URL is", url);
});


// //3. upload
// var s3 = new AWS.S3();
// var file = require('fs').createReadStream('./test.html');

// var s3 = new AWS.S3({params: {Bucket: 'bpctest', Key: 'test.html'}});
// s3.createBucket(function() {
//   s3.putObject({Body: file}, function() {
//     console.log("Successfully uploaded data to myBucket/myKey");
//   });
// });

// 3. upload
var fs = require('fs');
var s3 = new AWS.S3({params: {Bucket: 'slides.cloud3edu.cn'}});

s3.createBucket(function() {
    fs.readFile('./docConv.html', function (err, data) {
        s3.putObject({Body: data, Key: 'docConv.html'}, function(err, res) {
            if (err) {
              console.log("Error uploading data: ", err);
            } else {
              console.log("Successfully uploaded data to myBucket/myKey");
            }
        });
    });
});

// 3. upload
var Uploader = require('s3-streaming-upload').Uploader,
    upload = null,
    stream = require('fs').createReadStream('./test.html');

upload = new Uploader({
  accessKey:  '***',
  secretKey:  "***",
  bucket:     "***",
  objectName: "myUploadedFile",
  region: "us-west-2",

  stream:     stream
});

upload.on('completed', function (err, res) {
    console.log('upload completed');
});

upload.on('failed', function (err) {
    console.log('upload failed with error', err);
});