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Table of Contents

Overview

We have two categories of Ansible playbooks; installations and tasks. Installation playbooks follow a hierarchy to install and configure VMs in the correct order where tasks are used for one-off or repeating jobs that we need to run, e.g. adding SSH access for a developer or running database backups.

Installation

Ansible is a Python so the easiest way to install it is using Pip;

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  1. Check out $TIS-DEVOPS
  2. Create a new directory under ansible/roles/docker-compose/stackstemplates/:stack_name, these files are treated like Jinja2 templates so variables can be used throughout.
  3. Add a docker-compose.yml in that new directory. If your application needs environment variables then use an environment section, i.e.  

    Code Block
    environment:
      DATABASE_HOST: "{{ database['host'] }}"
  4. Create new playbook under ansible/ directory that matches your service name

  5. Add the hosts to the Ansible inventory file for platforms you are targeting.
  6. Commit and push your changes to Github.

  7. Create a deploy job in Jenkins by copying the 'revalidation-dev-deploy' job and changing the export STACK=revalidation to match your stack name.

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