Provisioning environments. A simplistic approach
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Provisioning environments demonstrating Vagrant and Puppet.
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Provisioning environments. A simplistic approach
- 1. Provisioning Environments A simplistic approach
- 3. Agenda ● Devops ● Vagrant ● Puppet ● A real example ● Questions?
- 4. What this presentation is not about? ● Configuring nginx or other servers ● Loadbalancing ● Configuring MongoDB or other DB's ● MongoDB replicaset
- 5. Devops Anything that makes interactions between development and operations, better. "Thomas Limoncelli"
- 7. #devops Automation at Flickr (2008) Patrick Debois (Belgium Sysadmin) Devops days - (30-31)/Oct/2009 Twitter
- 8. Devops = Agility + Cooperation #devops
- 9. Problem #1 (Deploy) More Changes More Commits More Deploys Less time
- 10. Interactions between devs and ops, why?
- 11. Interactions between devs and ops, why?
- 12. Solution Ops needs to think like devs Devs needs to think like ops
- 13. Problem #2 (New dev comes) Creating an environment Install Java Install Tomcat Install DB Start to code
- 15. What is Vagrant? Simple way to create virtualized environment… Yes, it’s a tool. It started in January 2010 by Mitchell Hashimoto https://www.vagrantup.com/
- 16. What problems are solved? ● Reproducible ● Portable ● Agility ● Automation ● no more "works on my machine"
- 17. Compatibility
- 18. How does it works?
- 19. All starts in a Vagrantfile
- 20. All starts in a Vagrantfile $ vagrant up $ vagrant ssh database Trust, that's all...
- 21. Is it just this?
- 22. No, we have more... Just an environment won't help you... Puppet
- 23. What is Puppet? Puppet is IT automation software that defines and enforces the state of your infrastructure. ● Is a language ● Is an infrastructure manager
- 24. Whaaaat!!!
- 25. Puppet flexibility If you have an available environment, you will probably installs some apps/services on it.
- 28. You need a manifest file Puppet language files are called "manifests" manifests/config.pp
- 29. Modules and Puppet community ● You don't need to make all by yourself ● Use modules available by community https://forge.puppetlabs.com/
- 30. Using a module
- 31. Price Just for use - $free
- 32. A real example APP SERVER 1 APP SERVER 2 APP SERVER 3 NGINX REPLICA SET MONGO 3 MONGO 1 MONGO 2 DRIVER DRIVER DRIVER LB https://github.com/EderRoger/nginx_loadbalancer
- 34. NGINX
- 35. APP SERVER 1 APP SERVER 2 APP SERVER 3
- 36. REPLICA SET MONGO 1 MONGO 2 MONGO 3
Editor's Notes
- About VMWare.. http://www.vagrantup.com/vmware Price: $79 per seat. A single seat can be used on two computers (such as a desktop and a laptop) for a single person.
- When you use Puppet, you are modeling your infrastructure as code
- “Puppet” really refers to two different things: the language in which code is written, and the platform that manages infrastructure.
- The foundation of the Puppet language is its declaration of resources. Each resource describes a component of a system, such as a service that must be running, or a package that must be installed. Some other examples of resources: A user account A specific file A directory of files Any software package Any running service
- Session Persistence (REDIS)