Uploaded byandygale
Using Vagrant
Vagrant allows users to define and manage virtual machine environments in code. It provides tools to easily create consistent development environments that match production. With Vagrant, users can define virtual machines and provision them automatically using tools like Chef, Puppet, or shell scripts. This allows development environments to match production and avoids issues caused by differences between environments. Vagrant saves time by automating environment setup and ensuring environments are consistent.
Using Vagrant
- 1. Using Vagrant Andy Gale
- 2. Who are you? Andy Gale andy-gale.com @andygale
- 3. What is Vagrant? va·grant/ˈvāgrənt/ Noun: Aperson without a settled home or regular work who wanders from place to place and lives by begging.
- 4. What is Vagrant? Away of managing virtual machines • Run different operating systems • Define virtual machines in code • Save your own ass
- 5. Why Vagrant? Setting up a development environment • Often considered a right of passage • Takes hours, often requires support • Requires documentation that’s always frequently out of date • Breaking your development environment can kill productivity for a day • Produces unpredictable results
- 6. Why Vagrant? Your developmentand production environment are not the same! • Different OS? • Different version of PHP/Python/Ruby? • Diverged package versions? • Different default configuration files?
- 7. Why Vagrant? • Update a website with a new feature. • The feature relies on a PHP module that is required by your web app • Module already installed on your laptop because another project that is hosted elsewhere needed it • It’s not a the server you deploy to, so the entire website stops working • You have no idea why, the same code worked on your machine • It worked on my machine!
- 8. Why Vagrant? • Vagrantlowers development environment setup time • Maximizes dev/prod parity • Makes the “works on my machine” excuse a relic of the past. from vagrantup.com
- 9. Vagrant sounds good!
- 10. Getting Started • InstallOracle’s VirtualBox www.virtualbox.org/wiki/Downloads • Install Vagrant (packages for Windows, Mac, Linux) downloads.vagrantup.com
- 11. Getting Started Create a $ vagrant box add precise32 http://files.vagrantup.com/ precise32.box Intialise a workspace $ cd workspace $ vagrant init precise32
- 12. Configuration • Simple toconfigure using the Vagrantfile - A Ruby DSL - which can be kept in version control • Easy to forward ports: Vagrant::Config.run do |config| # Forward guest port 80 to # host port 4567 config.vm.forward_port 80, 4567 end
- 13. Configuration Define shared folder config.vm.share_folder "v-data", "/data", "../data" Static IP config.vm.network '192.168.0.100' Set hostname config.vm.host_name = "steve" Boot with GUI config.vm.boot_mode :gui
- 14. Vagrant Defaults • /vagrant- shares your workspace • Default username "vagrant" • Default password "vagrant"
- 15. Multiple VMs Vagrant::Config.run do|config| config.vm.define :web do |web_config| web_config.vm.box = "web" web_config.vm.forward_port "http", 80, 8080 end config.vm.define :db do |db_config| db_config.vm.box = "db" db_config.vm.forward_port "db", 3306, 3306 end end
- 16. It’s alive! Bring box up! $ vagrant up Connection to box $ vagrant ssh Close down box $ vagrant halt Delete box $ vagrant destroy
- 17. So what else? •Install all the packages you need once • Make it the same as your product environment • Make a base box and distribute amongst developers • What time has this actually saved
- 18. Package $ vagrant package--vagrantfile
- 19. Provisioners You can provisionwith: • Shell • Chef Solo • Chef Server • Puppet • Puppet Server • Build your own
- 20. Provisioners Shell Vagrant::Config.run do |config| config.vm.provision :shell, :path => "test.sh" end
- 21. Provisioners Chef Solo: Vagrant::Config.run do |config| config.vm.provision :chef_solo do | chef| chef.roles_path = "roles" chef.add_role("vm") end end
- 22. Provisioners Chef Server: Vagrant::Config.run do |config| config.vm.provision :chef_server do | chef| chef.chef_server_url = "http:// chef.inter.net" chef.add_role("vm") end end
- 23. Provisioners Puppet: Vagrant::Config.run do |config| config.vm.provision :puppet do | puppet| puppet.mainfests_path = "puppetmanifests" puppet.mainfest_file = "newbox.pp" end end
- 24. Provisioners Puppet Server: Vagrant::Config.run do |config| config.vm.provision :puppet_server do | puppet| puppet.puppet_server = "puppet.inter.net" puppet.puppet_node = "vm.internet.net" end end
- 25. Provision with Chef •A tool for automating the provisioning and management of your servers • Open source • Lots of examples and code to get you started
- 26. Chef Very brief overview Cookbooks Collections of recipes, templates and other configuration attributes to get stuff done. Recipes Chunks of Ruby code that describe what stuff we need to do to get that stuff done.
- 27. Chef My First Recipe Install package package "ntp" do action :install end Create config file from template template "/etc/ntp.conf" do source "ntp.conf.erb" owner "root" Restart service group "root" when config file mode 0644 changes notifies :restart, resources(:service => "ntp") end service "ntp" do action :start Define service and end start NTP
- 28. Chef Scary but you’re not alone • Community cookbooks http://community.opscode.com/ • IRC #chef on freenode • Foodfight show podcast http://foodfightshow.org/index.html • Ask me andygale@andy-gale.com
- 29. Example Get started with a CakePHP application environment with Vagrant and Chef • Install Oracle’s VirtualBox • Install Vagrant $ git clone git@github.com:salgo/cakefest-vagrant-chef.git $ cd cakefest-vagrant-chef $ ./git-fetch-submodules.sh $ vagrant up
- 30. Vagrant and onwards Will soon support new virtualisers • OpenStack • VMWare? • Linux containers? • Write your own?
- 31. Vagrant Tips • Ifyou’re running OS X make sure OS updates are compatible with VirtualBox - Oracle are quick to release fixes but best to check • Keep guest additions up to date with https://github.com/dotless-de/vagrant-vbguest • You can play with Chef in Vagrant so there’s no excuse not to try
- 32. Official Boxes Ubuntu Lucid 32 Bit http://files.vagrantup.com/lucid32.box Ubuntu Lucid 64 Bit http://files.vagrantup.com/lucid64.box Ubuntu Precise 32 Bit http://files.vagrantup.com/precise32.box Ubuntu Precise 64 Bit http://files.vagrantup.com/precise64.box
- 33. Other Boxes Example boxes here
- 34.