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Provisioning environments. A simplistic approach
This document discusses provisioning development environments using DevOps tools like Vagrant and Puppet. It introduces Vagrant as a way to create reproducible and portable virtual environments. Puppet is then presented as an automation tool to configure and manage the resources and applications within those environments. The document provides a high-level example of using these tools together to provision a load-balanced web application backed by MongoDB. It aims to demonstrate how DevOps practices like automation and cooperation between development and operations can help address challenges like frequent deployment and onboarding new team members.
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Provisioning environments. A simplistic approach
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- 3. Agenda ● Devops ● Vagrant ●Puppet ● A real example ● Questions?
- 4. What this presentationis not about? ● Configuring nginx or other servers ● Loadbalancing ● Configuring MongoDB or other DB's ● MongoDB replicaset
- 5. Devops Anything that makesinteractions 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) MoreChanges More Commits More Deploys Less time
- 10. Interactions between devsand ops, why?
- 11. Interactions between devsand ops, why?
- 12. Solution Ops needs tothink like devs Devs needs to think like ops
- 13. Problem #2 (Newdev comes) Creating an environment Install Java Install Tomcat Install DB Start to code
- 15. What is Vagrant? Simpleway to create virtualized environment… Yes, it’s a tool. It started in January 2010 by Mitchell Hashimoto https://www.vagrantup.com/
- 16. What problems aresolved? ● Reproducible ● Portable ● Agility ● Automation ● no more "works on my machine"
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- 18. How does itworks?
- 19. All starts ina Vagrantfile
- 20. All starts ina Vagrantfile $ vagrant up $ vagrant ssh database Trust, that's all...
- 21. Is it justthis?
- 22. No, we havemore... Just an environment won't help you... Puppet
- 23. What is Puppet? Puppetis IT automation software that defines and enforces the state of your infrastructure. ● Is a language ● Is an infrastructure manager
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- 25. Puppet flexibility If youhave an available environment, you will probably installs some apps/services on it.
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- 28. You need amanifest file Puppet language files are called "manifests" manifests/config.pp
- 29. Modules and Puppetcommunity ● You don't need to make all by yourself ● Use modules available by community https://forge.puppetlabs.com/
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- 31. Price Just for use- $free
- 32. A real example APPSERVER 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
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- 35. APP SERVER 1APP SERVER 2 APP SERVER 3
- 36. REPLICA SET MONGO 1 MONGO2 MONGO 3
Editor's Notes
- #18 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.
- #24 When you use Puppet, you are modeling your infrastructure as code
- #25 “Puppet” really refers to two different things: the language in which code is written, and the platform that manages infrastructure.
- #29 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
- #33 Session Persistence (REDIS)