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Managing Modern Infrastructure with Ansible Joe Ferguson https://github.com/svpernova09/ModernInfrastructureWithAnsible

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Who Am I? Joe Ferguson PHP Developer Senior Full Stack Dev @ Preteckt Open Source Geek ⚽,, and fan Twitter: @JoePFerguson

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Ansible for DevOps https://leanpub.com/ansible-for-devops

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pip install ansible

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Ansible Concepts Modules Standalone work units to perform a task Inventory Configuration Declaration of target systems to perform tasks upon Playbooks Complete set of roles / list of actions to take

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Command Module

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Command Module

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Command Module

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Create Ansible Playbook

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Running Our Ansible Playbook

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Ansible Variable Precedence http://docs.ansible.com/ansible/playbooks_variables.html

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Ansible Variable Precedence • command line values (eg “-u user”) • role defaults • inventory file or script group vars • inventory group_vars/all • playbook group_vars/all • inventory group_vars/* • playbook group_vars/* • inventory file or script host vars

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Reusing Playbooks from others

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Ansible Galaxy Authors

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Adding geerlingguy.php

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Overriding Variables

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Overriding Variables

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Adding ansible-role-php

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Adding ansible-role-php

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Running ansible-role-php

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Production Inventory

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Staging Inventory

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Dev Inventory

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ansible_playbook -i prod.ini ansible_playbook -i staging.ini ansible_playbook -i dev.ini

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Ansible can deploy your code

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General Ansible Advice Use environment based playbooks & inventory files for clear separation & to easily handle one off differences Use Python or some other environment variable system for managing your secrets! Couple variables to the most focused point, then raise their scope as you need

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Ansible Tower https://www.ansible.com/products/tower

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Ansible Tower https://www.ansible.com/products/tower/pricing

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AWX - Open Source Tower

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AWX - Open Source Tower

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Python for PHP Devs Python PHP Composer Packagist composer.json FPM ??? composer.lock Pip PyPi & Others requirements.txt WSGI VirtualEnv LOL lock files

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Virtual Environments

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Install Dependencies

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Install Dependencies

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Freeze Dependencies

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Our Virtual Env

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Building a Deploy Playbook http://vcdt.joeferguson.me/

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Playbook File

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deploy-vcdt-app Role

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deploy-vcdt-app Role

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Using Jinja2 Templates

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Update the Repository

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Composer Install

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Application Setup

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Job’s Done!

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Break Up Large YAML

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System Maintenance

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System Maintenance

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Install & Configure Certbot

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Create SSL & Cron

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Combine SSL For HAProxy

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Delayed Service Restarting

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Renewal Post Hook Script

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Renewal Post Hook Script

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Install Docker

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Install Docker

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Add Users

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Looping over Arrays (Hashes)

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Directory Layout

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Directory Layout

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Directory Layout

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Keep Your Secrets Secret!

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Rolling Updates: Serial

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Maximum Failure

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Joe Ferguson Twitter: @JoePFerguson Email: [email protected] Contact Info: Thanks!