@qarnot/sdk NPM

Qarnot NodeJS SDK

npm (scoped)

This package allows you to use Qarnot cloud computing service.

Installation

npm install @qarnot/sdk

Usage

Create a Qarnot account and get your API token: Account.
Monitor your tasks and manage your data: Console.

SDK initialization

const QarnotSDK = require('@qarnot/sdk');
const Qarnot = new QarnotSDK({
    auth:'secret_token' // Retrieve your token from https://account.qarnot.com
    storage: {
      accessKeyId: 'email_address_of_user'
    }
});

Run you first task !

await Qarnot.tasks.run({
  name: 'helloworld',
  profile: 'docker-batch',
  instanceCount: 4,
  constants: [{
    key: 'DOCKER_CMD',
    value: 'echo hello world from node ${INSTANCE_ID}!'
  }]
});
/* Output:
2> hello world from node 2!
1> hello world from node 1!
0> hello world from node 0!
3> hello world from node 3!
*/

NB. This method returns only when the task is completed. For long running task you might want to check the submit method

Create a task with resources

await Qarnot.buckets.createBucket('my-input-bucket');
await Qarnot.buckets.upload('my-input-bucket', 'input.txt', 'hello world !');
await Qarnot.buckets.createBucket('my-output-bucket');
await Qarnot.tasks.run({
  name: 'helloworld-withdata',
  profile: 'docker-batch',
  instanceCount: 1,
  resourceBuckets: [
    'my-input-bucket',
  ],
  resultBucket : 'my-output-bucket',
  constants: [{
    key: 'DOCKER_CMD',
    value: 'sh -c "cat input.txt | rev > output.txt"'
  }]
});
const result = await Qarnot.buckets.download('my-output-bucket', 'output.txt');
console.log(result.Body.toString());
/* Output:
! dlrow olleh
*/