Devops and You

or "A Brief Introduction to Vagrant"

Andrew Tomaka

What is Devops?

• Developer
  • That's you!
• Operations
  • Other IT staff
• Working together
  • communication
  • collaboration
  • integration
  • automation
  • cooperation

But it works on my machine!

Why should you care?

• Expectation vs Actual
• (Human) Mistakes
• Time to deployment
• Monitor

What is Vagrant?

"Create and configure lightweight, reproducible, and portable development environments."

Installation

• Virtual Machine Provider
  • VirtualBox
  • VMWare Fusion: pro version
  • Many Other Providers
    • Digital Ocean: plugin
    • Linux Containers: plugin
    • AWS, Rackspace, vCenter, etc
• Vagrant

The Vagrantfile

Vagrant.configure(2) do |config|
  # Installs the operating system
  config.vm.box           = 'ubuntu/trusty64'

  # Configures the virtual machine
  config.vm.network       'private_network', ip: '192.168.111.10'
  config.vm.synced_folder 'code/', '/home/vagrant/app'

  # Provisions the system
  config.vm.provision     'shell', path: 'provision/bootstrap.sh'
end

Usage

• Primary commands
  • vagrant up
  • vagrant ssh
  • vagrant destroy
• Others
  • vagrant provision
  • vagrant halt
  • vagrant suspend
  • vagrant resume
  • vagrant push

Demonstration

Other Talks

• Understanding Vagrant and Chef
  • Bryan Ollendyke
• Automated Development Environments w/Vagrant
  • Mitchell Hashimoto (creator of Vagrant)
• Vagrant
  • Lauri Pesonen

Resources

• This presentation
  • Slides
  • Sample project
• Vagrant Documentation
• Rove - Tool for creating a typical Rails Vagrantfile
• Railscast #292 - Dated

Try it for yourself