Locaweb's Capistrano recipe

deploy.rb

require "bundler/capistrano"

set :application,   "set your application name here"
set :user,          "set your Locaweb's user"
set :server_addr,   "set the Locaweb's server ip address or your ftp address"
set :deploy_to,     "/home/#{user}/rails_apps/#{application}"
set :rails_env,     "production"
set :use_sudo,      false

# Git settings
set :scm,        :git
set :repository, "set your repository location here"
set :branch,     "master"
set :deploy_via, :copy

# Bundler settings
set :bundle_without,  [:development, :test, :assets]

# Uses local instead of remote server keys, good for github ssh key deploy.
ssh_options[:forward_agent] = true

# Server role
server server_addr, :app, :web, :db, :primary => true

# Before setup callback
before "deploy:setup",
       "db:configure",
       "mailer:configure",
       "uploader:configure"

# After update code callback
after "deploy:update_code",
      "db:symlink",
      "mailer:symlink",
      "uploader:symlink",
      "deploy:assets:precompile",
      "deploy:migrate",
      "deploy:restart",
      "deploy:cleanup"

namespace :deploy do
  task :start do ; end
  task :stop do ; end

  desc "restarts the rails app"
  task :restart, :roles => :app, :except => { :no_release => true } do
    run "#{try_sudo} touch #{File.join(current_path,'tmp','restart.txt')}"
  end

  namespace :assets do
    desc "Run precompile task locally and sync on remote"
    task :precompile, :roles => :app do
      `bundle exec rake assets:precompile`
      run "rm -rf #{shared_path}/assets"
      `rsync -r public/assets #{user}@#{server_addr}:#{File.join(shared_path)}`
      `rm -rf public/assets`
      run "ln -nfs #{shared_path}/assets #{latest_release}/public"
    end
  end
end

namespace :db do
  desc "Create database yaml in shared path"
  task :configure do
    set :database_name do
      Capistrano::CLI.ui.ask "Enter the database name: "
    end

    set :database_password do
      Capistrano::CLI.password_prompt "Database password: "
    end

    set :database_host do
      Capistrano::CLI.ui.ask "Database host address: "
    end

    db_config = <<-EOF
      production:
        adapter: mysql2
        encoding: utf8
        reconnect: false
        database: #{database_name}
        pool: 5
        username: #{database_name}
        password: #{database_password}
        host: #{database_host}
    EOF

    run "mkdir -p #{shared_path}/config"
    put db_config, "#{shared_path}/config/database.yml"
  end

  desc "Make symlink for database yaml"
  task :symlink do
    run "ln -nfs #{shared_path}/config/database.yml #{latest_release}/config/database.yml"
  end
end

namespace :mailer do
  desc "Create mailer configuration initializer in shared path"
  task :configure do
    set :domain do
      Capistrano::CLI.ui.ask "Enter your domain: "
    end

    set :username do
      Capistrano::CLI.ui.ask "Enter the Locaweb FTP username: "
    end

    set :password do
      Capistrano::CLI.password_prompt "Enter the Locaweb FTP password: "
    end

    mailer_config = <<-EOF
      ActionMailer::Base.delivery_method = :sendmail
      ActionMailer::Base.smtp_settings = {
        :address              => "localhost",
        :port                 => 587,
        :authentication       => :login,
        :domain               => "#{domain}",
        :user_name            => "#{username}",
        :password             => "#{password}"
      }
    EOF

    run "mkdir -p #{shared_path}/config/initializers"
    put mailer_config, "#{shared_path}/config/initializers/setup_mailer.rb"
  end

  desc "Make symlink for setup_mailer initializer"
  task :symlink do
    run "ln -nfs #{shared_path}/config/initializers/setup_mailer.rb #{latest_release}/config/initializers/setup_mailer.rb"
  end
end

namespace :uploader do
  desc "Create mailer configuration initializer in shared path"
  task :configure do
    run "mkdir -p #{shared_path}/public/uploads"
  end

  desc "Make symlink for setup_mailer initializer"
  task :symlink do
    run "ln -nfs #{shared_path}/public/uploads #{latest_release}/public/"
  end
end

Just for the record, I had some issues with this script. I fixed on my fork https://gist.github.com/arthurnn/5129876 .

Pra mim está funcionando muito bem.