Capistrano for PHP Applications Deployment

ZFConf 2012, 21.04.2012

Transcript

1. Capistrano для деплоймента PHP приложений Рома Лапин, Evercode Lab @memphys, roma@evercodelab.com
2. If you cannot do your deployments with one command then you are DOING IT WRONG. Chris Hartjes, “Infrastructure Debt” (http:/ /www.littlehart.net/atthekeyboard/2011/11/03/infrastructure-debt/)
3. Обновить файлы Обновить базу Создать файлы, папки, симлинки Выставить права Сбросить кэш Сохранить контент Откатиться в случае ошибки
5. FTP-клиенты VCS, hooks Phing Shell script Rsync WePloy
7. SSH Git/SVN/Mercurial/... Server
8. © http:/ /capifony.org/
9. ᵓᴷᴷ current -> /var/www/zf-capistrano/releases/20120414205035 ᵓᴷᴷ releases ᴹ ᵓᴷᴷ 20120414204853 ᴹ ᴹ ᵓᴷᴷ application ᴹ ᴹ ᵓᴷᴷ ... ᴹ ᵋᴷᴷ 20120414205035 ᴹ ᵓᴷᴷ application ᴹ ᵓᴷᴷ ... ᵋᴷᴷ shared ᵓᴷᴷ cached-copy ᴹ ᵓᴷᴷ application ᴹ ᵓᴷᴷ ... ᵋᴷᴷ public ᵋᴷᴷ uploads
10. $ gem install capistrano
11. $ cd ~/Sites/mycoolproject $ capify . [add] writing './Capfile' [add] making directory './config' [add] writing './config/deploy.rb' [done] capified!
12. config/deploy.rb set :application, "application_name" set :deploy_to, "/var/www/#{application}"
13. config/deploy.rb set :scm, :git set :repository, "git@github.com:user/app.git" set :deploy_via, :remote_cache set :branch, "master" set :keep_releases, 3
14. config/deploy.rb server "domain", :app, :web, :db, :primary => true set :ssh_options, {:forward_agent => true, :port => 22} set :user, "deployer" set :use_sudo, false
15. $ cap -h $ cap -T
16. namespace :deploy do task :start do end task :stop do end task :migrate do end task :restart do end end config/deploy.rb
17. $ gem install railsless-deploy Capfile require 'railsless-deploy' load 'config/deploy'
18. $ cap deploy:setup $ cap deploy:check
19. $ cap deploy
21. $ cap deploy:update $ cap deploy:cleanup
23. $ cap deploy:rollback
25. Capfile (ZF1) load 'config/deploy'
26. Capfile (ZF1) load 'config/deploy'
27. Capfile (ZF1) load 'application/configs/deploy' load 'config/deploy'
28. application/configs/deploy.rb namespace :myproject do task :symlink, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink"
29. application/configs/deploy.rb run "mkdir -p #{shared_path}/library" run "chmod -R 755 #{shared_path}/library" run "ln -nfs /path/to/zf/library/Zend #{shared_path}/library/Zend" run "ln -nfs #{shared_path}/library #{release_path}/library" namespace :myproject do task :symlink, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink"
30. config/deploy.rb (ZF2) namespace :myproject do task :symlink, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink"
31. config/deploy.rb (ZF2) run "mkdir -p #{shared_path}/vendor/ZendFramework/library" run "chmod -R 755 #{shared_path}/vendor/ZendFramework/library" run "ln -nfs /path/to/ZendFramework-2.0.0beta3/library/Zend #{shared_path}/vendor/ ZendFramework/library/Zend" run "rm -rf #{release_path}/vendor" run "ln -nfs #{shared_path}/vendor #{release_path}/vendor" namespace :myproject do task :symlink, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink"
32. namespace :myproject do task :uploads, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink", "myproject:uploads" application/configs/deploy.rb
33. namespace :myproject do task :uploads, :roles => :app do ... end end after "deploy:symlink", "myproject:symlink", "myproject:uploads" application/configs/deploy.rb run "mkdir -p #{shared_path}/public/uploads" run "chmod -R 775 #{shared_path}/public/uploads" run "ln -nfs #{shared_path}/public/uploads #{release_path}/public/uploads"
34. application/configs/deploy.rb task :disable do ... end after "deploy:update_code", "myproject:disable"
35. application/configs/deploy.rb run "echo 'Site is on maintenance right now. Sorry.' > #{shared_path}/public/ maintenance.html" run "cp #{shared_path}/public/maintenance.html #{latest_release}/public/ maintenance.html" task :disable do ... end after "deploy:update_code", "myproject:disable"
36. application/configs/deploy.rb task :enable do ... end after "deploy:symlink", "myproject:enable"
37. application/configs/deploy.rb run "rm -f #{latest_release}/public/maintenance.html" task :enable do ... end after "deploy:symlink", "myproject:enable"
38. task :migrate do ... end after "deploy:finalize_update", "myproject:migrate" application/configs/deploy.rb
39. task :migrate do ... end after "deploy:finalize_update", "myproject:migrate" application/configs/deploy.rb on_rollback { run "#{release_path}/bin/doctrine migrations:migrate down" } run "#{release_path}/bin/doctrine migrations:migrate"
40. task :unicornsandwizards do # notify by email # post to irc or group chat # send SMS # activate SkyNet # order some Pizza end after "deploy:finalize_update", "myproject:unicornsandwizards" application/configs/deploy.rb
41. zf-capistrano https:/ /github.com/memphys/zf-capistrano zf2-capistrano https:/ /github.com/memphys/zf2-capistrano Capistrano home https:/ /github.com/capistrano/capistrano/wiki
42. Multistage Capifony (http:/ /capifony.org) Webistrano
44. Спасибо за внимание Рома Лапин Evercode Lab roma@evercodelab.com @memphys