Provisioning Environments, a simplistic approach
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A simplistic approach about Vagrant and Puppet and how to create and available virtual environments.
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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 = Agility + Cooperation
- 8. Problem #1 (Deploy) More Changes More Commits More Deploys Less time
- 9. Interactions between devs and ops, why?
- 10. Interactions between devs and ops, why?
- 11. Problem #2 (New dev comes) Creating an environment Install Java Install Tomcat Install DB Start to code
- 13. 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/
- 14. What problems are solved? ● Reproducible ● Portable ● Agility ● Automation ● no more "works on my machine"
- 15. Compatibility
- 16. How does it works?
- 17. All starts in a Vagrantfile
- 18. All starts in a Vagrantfile $ vagrant up $ vagrant ssh database Trust, that's all...
- 19. Is it just this?
- 20. No, we have more... Just an environment won't help you... Puppet
- 21. What is Puppet? Puppet is IT automation software that defines and enforces the state of your infrastructure. ● Is a language ● Is an infrastructure manager
- 22. Whaaaat!!!
- 24. Puppet flexibility If you have an available environment, you will probably installs some apps/services on it.
- 26. You need a manifest file Puppet language files are called "manifests" manifests/config.pp
- 27. Modules and Puppet community ● You don't need to make all by yourself ● Use modules available by community https://forge.puppetlabs.com/
- 28. Using a module
- 29. 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
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)