alb_cert_update

A script to add a cert to AWS Certificate Manager and then update an ELB listener with that certificate.

Install

1. Clone the repo.

2. Setup environment:

   $ cd /path/to/alb_cert_update
   $ python3.7 -m venv venv
   $ source venv/bin/activate
   (venv) $ pip install -r requirements.txt

3. Create your own .env file from the template:

   $ cp .env.template .env

   .env

   # Credentials for alb_cert_update script
   ALB_CERT_ACCESS_KEY_ID=some_access_key_id_from_aws
   ALB_CERT_SECRET_ACCESS_KEY=some_access_key_from_aws
   ALB_CERT_SESSION_TOKEN=some_optional_session_token_from_aws
   
   # ALB information... which listener you're going to apply the
   # cert to.
   ALB_LISTENER_ARN=the_listenter_ARN_from_the_ELB
   
   # Certificate information (/path/to/whatever.pem)
   ALB_CERT_PRIVATE_KEY=/path/to/key.pem
   ALB_CERT_PUBLIC_KEY=/path/to/cert.pem
   ALB_CERT_CHAIN=/path/to/chain.pem

4. Run the script

   (venv) $ python alb_cert_update.py

Take a look at the boto3 documentation for more information.