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Terraform TagFresh

Simple script to scan source lines in your Terraform code and check that you're using the latest tags for those sources.

This is my first Python thing, so use at your own risk :D It will currently traverse down all directories looking for .tf files, and query the sources it finds. You may end up making a great many SSH calls.

Usage

Run it in the directory you want to check, or supply a directory with -d.

The sources to be checked must either be public, or you must have access to them via an SSH key. Specifiy private repos with the --private-repos option as a space separated list in quotes. Alternatively, you can type your password out a million times :)

Usage: tf_tagfresh.py [options]

Options:
  -h, --help            show this help message and exit
  -d DIRECTORY, --directory=DIRECTORY
                        (Optional) Where to start the check from. Default is
                        "./"
  -p "git.fantastico.com", --private-repos="git.fantastico.com"
                        (Optional) Space separated list of private repos
  -l LEVELS, --levels=LEVELS
                        (Optional) How many levels deep to travel down
                        directory trees. Default is to follow all the turtles

Gitlab CI

One of the most common ways in which you want to use this is in a CI/CD pipeline. Here's some sample code for a gitlab CI pipeline:

test_tf_tag_sources:
  image: "python:2.7.15"
  before_script:
    - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
    - eval $(ssh-agent -s)
    - echo "$SSH_KEY" | tr -d '\r' | ssh-add - > /dev/null
    - mkdir -p ~/.ssh
    - echo "StrictHostKeyChecking=no" > ~/.ssh/config
    - chmod -R 700 ~/.ssh
  script:
    - pip install git+git://github.com/afrazkhan/tf_tagfresh
    - tf_tagfresh.py -p gitlab.example.com
  allow_failure: true

The above snippet expects a GitLab secret variable called SSH_KEY, that contains a private key able to access all repositories listed in the --private-repos flag.