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Automating AWS with Ansible
This document provides an overview of automating AWS (Amazon Web Services) using Ansible. It begins with brief introductions to AWS and Ansible, discussing how AWS provides scalable cloud infrastructure and how Ansible is a simple automation tool that can be used to configure and deploy applications on AWS. It then discusses DevOps principles and how the DVLA (Driver and Vehicle Licensing Agency) uses Ansible to automate their AWS infrastructure following a platform, projects, and roles approach. The document concludes with a demo of how Ansible can be used to automate the provisioning, configuration, and deployment of a new vehicle excise duty calculation service on AWS.
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Automating AWS with Ansible
- 1. AUTOMATING AWS WITH ANSIBLE C HR I S C U N D I L L
- 2. CONTENTS • AWS Overview •Ansible Overview • DevOps 101 • Ansible Automation at DVLA • Demo: VED Calc Service
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- 5. AWS OVERVIEW • AWSare a true cloud provider, arguably the defacto cloud • Commodity cloud provider • Private clouds • Scalable! –“Every day, Amazon adds enough new server capacity to support all of Amazon’s global infrastructure when it was a $7 billion annual revenue enterprise,” James Hamilton, Distinguished Engineer at Amazon, who described the AWS infrastructure at the Re:Invent conference last fall. “There’s a lot of scale. That volume allows us to reinvest deeply into the platform and keep innovating.”
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- 8. ANSIBLE OVERVIEW • Ansibleis a radically simple IT automation engine that automates – cloud provisioning – configuration management – application deployment – intra-service orchestration – and many other IT needs…
- 9. ANSIBLE OVERVIEW • Noagents • No additional custom security infrastructure, so it's easy to deploy very simple language (YAML, in the form of Ansible Playbooks) • Describe your automation jobs in a way that approaches plain English • Python over SSH
- 10. DEVOPS 101 • Fusionof development and operations • Name coined from the devopsdays conference started in 2009 in Belgium • Jez Humble: – ”a cross-disciplinary community of practice dedicated to the study of building, evolving and operating rapidly-changing resilient systems at scale.”
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- 12. DEVOPS 101 • Cultureshift – increased collaboration between the roles of development and operations –attitude of shared responsibility – valuable organizational shift is to support autonomous teams
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- 14. ANSIBLE AUTOMATION Platform • Managesfixed VPCs, common network services and platform services • Core CIS team responsible Projects • Manages project-specific network services • Manages project-specific apps Roles • Re-usable Anisble tasks, e.g. • ec2-build-launch ec2-buld-ami ec2-asg iptables
- 15. ANSIBLE AUTOMATION • Platform,Project, Roles approach – consolidated and standardised technology – secure – scalable – maintainability – flexibility
- 16. DEMO: VED CALCSERVICE • New service for Vehicle Excise Duty Calculation (April 2017) – Java – Dropwizard & Drools
- 17. DEMO: VED CALCSERVICE
- 18. DEMO: VED CALCSERVICE • Ansible provisioning, configuration & deployment Init Subnets Security Groups Launch AMI Box Configure AMI Box Capture AMI Terminate AMI Box Create ELB Create Launch Config Update Auto- Scaling Group