mhjwork

#!/usr/bin/python

# Run this script as a cron job on a machine inside your network that is always on

# Prerequisites:
# - Python
# - boto3 module for AWS access
# - Route 53 DNS hosted zone that you use as the target
# - SNS topic to send notifications when the DNS is updated (IP changed)
# 

mhjwork

def assumeRole(region: 'eu-west-1', role_arn: nil, session: 'temp', duration: 3600, mfa_arn: nil, token: nil)
  # returns a Credentials object for the assumed role, built from:
  #   region: the AWS region to connect to (default: eu-west-1),
  #   role_arn: the role ARN that you want to assume,
  #   session: the name you want to give the session (default: 'temp'),
  #   duration: seconds the assumed role is valid for (default: 3600),
  #   mfa_arn: the ARN for the MFA token associated with the user
  #   token: the 6-digit token ID from the MFA device
  # 
  # This assumes that you have already defined your normal AWS credentials,