#133 Capistrano Tasks

Oct 27, 2008 | 8 minutes | Tools, Deployment

Do you know how to make Capistrano tasks? See how to change default deployment behavior with custom tasks in this episode.

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Resources

Capistrano

          text
        
Directory Structure

  myapp/releases
  myapp/current -> releases/20081019001122
  myapp/shared


cap deploy

  deploy:update_code
  deploy:symlink_shared
  deploy:symlink
  deploy:restart

          deploy.rb
        
set :application, "railscasts.com"
role :app, application
role :web, application
role :db,  application, :primary => true

set :user, "deploy"
set :deploy_to, "/var/www/apps/#{application}"
set :deploy_via, :remote_cache
set :use_sudo, false

set :scm, "git"
set :repository, "git://github.com/ryanb/railscasts.git"
set :branch, "master"

namespace :deploy do
  desc "Tell Passenger to restart the app."
  task :restart do
    run "touch #{current_path}/tmp/restart.txt"
  end
  
  desc "Symlink shared configs and folders on each release."
  task :symlink_shared do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
    run "ln -nfs #{shared_path}/assets #{release_path}/public/assets"
  end
  
  desc "Sync the public/assets directory."
  task :assets do
    system "rsync -vr --exclude='.DS_Store' public/assets #{user}@#{application}:#{shared_path}/"
  end
end

after 'deploy:update_code', 'deploy:symlink_shared'