cloudformation.yml

AWSTemplateFormatVersion: "2010-09-09"
Description: A CloudFormation template example demonstrating how to execute an HTTP request within the inline evaluator function.

# Resources declared by this template.
Resources:

  # Definition of the evaluation resource stack.
  EvaluationResourceStack:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: ../../cloudformation.yml

  # Definition of a Node.js code performing an HTTP request against the Github API
  # and returns information about the user `HQarroum` on Github and binds them to
  # the outputs of the Cloudformation stack.
  GithubRequestFunction:
    Type: Custom::GithubRequestFunction
    Properties:
      ServiceToken: !Sub ${EvaluationResourceStack.Outputs.EvaluationResourceFunctionArn}
      Username: HQarroum
      Code: |
        return (new Promise((resolve, reject) => {
          const https = require('https');
          let data    = '';
          const req   = https.get({
            hostname: 'api.github.com',
            path: `/users/${props.Username}`,
            headers: {'user-agent':'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'}
          }, (response) => {
            response.on('data', (d) => data += d)
              .on('end', () => resolve(JSON.parse(data)))
              .on('error', reject);
          }).on('error', reject).end();
        }));

# The outputs to be generated by this template.
Outputs:
  Login:
    Description: The login of the Github user.
    Value: !Sub ${GithubRequestFunction.login}
    Export:
      Name: !Sub ${AWS::StackName}-Login
  Id:
    Description: The identifier of the Github user.
    Value: !Sub ${GithubRequestFunction.id}
    Export:
      Name: !Sub ${AWS::StackName}-Id
  PublicRepos:
    Description: The number of public repositories of the Github user.
    Value: !Sub ${GithubRequestFunction.public_repos}
    Export:
      Name: !Sub ${AWS::StackName}-PublicRepos
  Followers:
    Description: The number of followers of the Github user.
    Value: !Sub ${GithubRequestFunction.followers}
    Export:
      Name: !Sub ${AWS::StackName}-Followers