Vagrant to the rescue

Many developers know the pain of setting up a development machine and share the setup with the team - Putting the same folders in the same place, keeping configurations in sync and managing external dependencies. Vagrant solves this problem by creating a development environment inside a virtual machine and making it easy to share with other developers. Within this talk, I'll take the audience on a trip from a time where everybody would install stuff on localhost until the software starts working to a land where the environment one develops in mirrors the production environment as closely as possible without changing the laptop/pc of the developer. I'll talk about devops and configuration management briefly and show how one can get started with vagrant. After this talk, the audience knows what problems vagrant solves and how to get started.

Transcript

1. Vagrant to the rescue PHP London February 2015 @Sgoettschkes http://nos.twnsnd.co/image/95830917309
3. “It works on my machine”
4. “It’s all in SETUP.md”
5. Enter vagrant
6. Building blocks Configuration + Provider + Base Boxes + Provisioner + Plugins = Vagrant http://pixabay.com/static/uploads/photo/2010/12/10/08/salad-1105_640.jpg
7. Configuration Vagrant.configure(2) do |config| config.vm.box = "Sgoettschkes/debian7-ansible" config.vm.network "private_network", ip: "127.0.0.101" config.vm.synced_folder "../", "/srv/workspace" config.vm.provision "chef_solo" do |chef| chef.add_recipe "main" end end
8. Providers
9. Base Boxes Base Boxes • Image from VM • Provider-specific • Distribution through ◦ HTTP ◦ “Atlas” http://upload.wikimedia.org/wikipedia/commons/9/91/Shipping_containers_at_Clyde.jpg
10. Provisioners
11. Plugins # AWS provider $ vagrant plugin install vagrant-aws # Boxen provisioner $ vagrant plugin install ventriloquist # Manage host files $ vagrant plugin install vagrant-hostmanager # Make screenshots of your VM $ vagrant plugin install vagrant-camera # … many more!
12. Synced folders http://upload.wikimedia.org/wikipedia/commons/5/5d/BalticServers_data_center.jpg # Vagrantfile config.vm.synced_folder "~/local/path/to/project", # on host "/opt/project" # on guest
13. SSH http://pixabay.com/static/uploads/photo/2013/04/08/22/48/tunnel-101976_640.jpg $ vagrant ssh # or $ ssh -p 2222 vagrant@localhost # with password “vagrant”
14. http://freehddesktopwallpaper.info/wp-content/uploads/2013/06/Blue-Flowers-hd-Wallpapers.jpg Basic workflow
15. Basic workflow $ vagrant init Sgoettschkes/debian7-ansible $ vagrant up # box is booting $ vagrant ssh # It’s actually a normal, headless VM! $ exit
16. Basic workflow $ vim Vagrantfile # change config # add provisioners and so on $ git init $ git commit -Am ‘I am using Vagrant now!’ # Keep the Vagrantfile and files needed for provisioning # in git (or any other scm) to share with others
17. Basic workflow $ git clone git@github.com:awesomecompany/awesomeVm.git $ cd awesomeVm && vagrant up # VM is setup the same as on your co-workers machine # You can now work on your project
18. Basic workflow # Co-worker updated Vagrantfile/provisioning files $ git pull --rebase $ vagrant provision # VM is up to date again
19. Basic workflow # You wanna change some Vagrant related stuff $ vim Vagrantfile # Change it! $ vim playbook.yml # Change something here as well, maybe? $ vagrant provision # Your box is up to date again $ git commit -am ‘Incredible changes’ && git push
20. Use cases
21. Use cases Development environment
22. Use cases Development environment Testing environment
23. Use cases Development environment Testing environment Local test box for PMs & Designer
24. Use cases Development environment Testing environment Local test box for PMs & Designer Playing around
25. Use cases Development environment Testing environment Local test box for PMs & Designer Playing around with clusters
26. Use cases Development environment Testing environment Local test box for PMs & Designer Playing around with clusters Open Source projects
27. https://www.dropbox.com/s/mfmusz1qjotilbs/2H.jpg Best practices
28. Base Boxes The fewer, the better
29. Provisioning Idempotent
30. Provisioning One step
31. Provisioning # Bad: $ vagrant up $ install software x $ run script y $ create z
32. Provisioning # Good: $ vagrant up
33. Vms per Developer The fewer, the better (again)
34. … Performance?
35. http://nos.twnsnd.co/image/108652898544 What else is there?
36. Multi-VM setup Vagrant.configure(2) do |config| config.vm.box = "Sgoettschkes/debian7" config.vm.define "web1" do |web1| web1.vm.network "private_network", ip: "192.168.1.150" end config.vm.define "db1" do |db1| db.vm.network "private_network", ip: "192.168.1.151" end end
37. Multi-VM setup Vagrant.configure(2) do |config| config.vm.box = "Sgoettschkes/debian7" config.vm.define "web1" do |web1| web1.vm.network "private_network", ip: "192.168.1.150" end config.vm.define "db1" do |db1| db.vm.network "private_network", ip: "192.168.1.151" end end
38. Vagrant share $ vagrant share # Your VM is now accessible through a public url # You can go back doing awesome work!
39. Vagrant push config.push.define "ftp" do |push| push.dir = "/srv/workspace" push.host = "ftp.awesomeCompany.com" end
40. Vagrant push config.push.define "local-exec" do |push| push.script = "deploy.sh" end
41. Vagrant “Development environments made easy” http://fc02.deviantart.net/fs50/i/2009/315/4/c/Tweaked_toy_airplane_by_afd.jpg
42. https://www.dropbox.com/s/6z5aiwa8l09g2pa/86H.jpg