DevOps Toolbox: Infrastructure as code
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This document is a summary of a webinar about infrastructure as code. It introduces the speaker, Srirajan, and discusses how automation tools like Chef, Puppet, Ansible and others can be used to define infrastructure in code. Key benefits of infrastructure as code include automation, repeatability, and disaster recovery. The webinar also discusses testing infrastructure code and version controlling code changes.
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DevOps Toolbox: Infrastructure as code
- 1. Infrastructure as Code Webinar
- 2. About Me SRI RAJAN PRINCIPLE ENGINEER • From India. Live in UK • 10+ years in IT • 6+ years Racker • Specialties: - Architecting solutions - Cloud - Automation - Linux linkedin.com/in/rajansriram @sriramrajan
- 3. HOW DO WE GO FASTER?
- 4. The future has more servers
- 5. The future has more services
- 6. Cloud
- 7. RACKSPACE® CLOUD HOSTING | WWW.RACKSPACE.COM SAVVY 7 INFRASTRUCTURE AS CODE
- 8. Deploy Scripts Golden Images/ Templates
- 9. Enter Configuration Management Tools
- 10. KEY PRINCIPLES MODULAR EXTENSIBILITY REPEATABILITY DECLARATIVE
- 11. BENEFITS AUTOMATION & AGILITY DESIRED STATE SCALABILITY DISASTER RECOVERY
- 12. INFRASTRUCTURE AS CODE knife rackspace server create --server-name web01 --image image-id --flavor performance1-1 --rackspace-region lon -r 'role[base],role[app]’
- 13. INFRASTRUCTURE AS CODE knife rackspace server create --server-name web01 --image image-id --flavor performance1-1 --rackspace-region lon -r 'role[base],role[app]’ Base • Configure the firewall • Installed a base set of packages • Created the necessary users and sudo privileges • Configure SSH service • Configure logging • Tweak other system(sysctl) settings App • Install the Apache web server • Deployed a sample website • Install Jboss application server • Deployed Java applications
- 14. The Main Players
- 15. The Main Players Puppet Chef Ansible Salt DSC • 2005 • 2009 • 2012 • Ruby based • Ruby based • YAML • A pioneer • Written in python • 2011 • YAML • Written in Python • 2013 • Powershell module • Microsoft Environments
- 16. The Main Players Which One?
- 17. What about the code ?
- 18. CODE MANAGEMENT FUNDAMENTAL TO ANY SOFTWARE PROJECT TRACKING AND VERSIONING IMPROVE QUALITY OF CODE
- 19. CODE MANAGEMENT FUNDAMENTAL TO ANY SOFTWARE PROJECT TRACKING AND VERSIONING IMPROVE QUALITY OF CODE
- 20. INFRASTRUCTURE AS CODE git log 074462d sri May 27 16:00:43 updating monitors for lamp servers 7405929 zach May 21 14:34:18 adding user for qa group dad4fe1 sri May 19 15:06:24 updating acls on www dir a936c64 sri May 19 14:43:14 adding postfix to all lamp servers
- 21. Version Control
- 22. Version Control - SaaS
- 23. The Main Players Which One?
- 24. TESTING AS CODE
- 25. TESTING Follow development best pracHces - ValidaHon of data - Logging - Debug data Use replica environments -‐ dev, stage, prod + user defined test plans
- 26. TOOLS FoodCriHc/Rubocop – Validate coding standards Test Kitchen(kitchen.ci) – IntegraHon tesHng Cucumber – Test driven development
- 27. TOOLS Vagrant -‐ Portable & lighweight environments ChefSpec -‐ Unit tesHng with Chef ServerSpec – TesHng actual state on the servers
- 28. WHAT - NEXT
- 29. GET STARTED LEARN CODING (JUST THE BASICS) AGREE ON A CM TOOL DEFINE/INHERIT STANDARDS
- 30. GET STARTED SEPARATE CONFIG FROM DATA TRY THE NO MANUAL CHANGE RULE INTRODUCE AUTOMATED TESTING
- 35. AUTOMATION SERVICES COOKBOOKS & ROLES ENABLE DISCOVER REVERSE ENGINEER DEPLOY SUPPORT WHAT NEEDS AUTOMATING? MIGRATE & TRANSITION INCIDENT, PROBLEM, CHANGE PLAN FOR CHANGE Advisory Services Automation Support
- 36. SUPPORTED TOOLS Infrastructure Automation Monitoring Log Aggregation Source Control StatsD! graphite Heat, Ansible + Windows DSC coming soon Coming Soon Infrastructure Automation: Microsoft DSC Orchestration & Workflow: HEAT, Jenkins
- 37. APPLICATIONS More information: www.rackspace.co.uk/devops/support graphite StatsD!
- 39. MORE DEVOPS WEBINARS Replay available IntroducHon to DevOps 24th July DevOps Toolbox: Infrastructure as Code 7th August DevOps Toolbox: ApplicaHon Insights & Monitoring 22nd August DevOps Toolbox: Automated test & deployment 11th September What a cloud-‐enabled business looks like
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