putObject

import {
  AWSConfig,
  S3Client,
} from 'https://jslib.k6.io/aws/0.14.0/s3.js';

const awsConfig = new AWSConfig({
  region: __ENV.AWS_REGION,
  accessKeyId: __ENV.AWS_ACCESS_KEY_ID,
  secretAccessKey: __ENV.AWS_SECRET_ACCESS_KEY,
});

const s3 = new S3Client(awsConfig);
const testBucketName = 'test-jslib-aws';
const testFileKey = 'bonjour.txt';
const testFile = open('./bonjour.txt', 'r');

export default async function () {
  // Let's upload our test file to the bucket
  const uploadResult = await s3.putObject(testBucketName, testFileKey, testFile, {
    contentType: 'text/plain',
    contentLength: testFile.length,
  });

  // Access the upload metadata
  console.log('Upload successful! ETag:', uploadResult.eTag);

  if (uploadResult.size) {
    console.log('Object size:', uploadResult.size);
  }

  // Check if checksums are available
  if (uploadResult.sha256) {
    console.log('SHA256 checksum:', uploadResult.sha256);
  }

  // And let's redownload it to verify it's correct
  const obj = await s3.getObject(testBucketName, testFileKey);
  console.log(JSON.stringify(obj));
}