capistranoの設定ファイル

rails_deploy.rb

require "capistrano/ext/multistage"
require 'capistrano_colors'
require "bundler/capistrano"

set :stages, %w(production staging)
set :default_stage, "staging"

set :repository,  "Repository URL"
set :scm, :subversion
set :scm_username, "svn_username"
set :scm_password, "svn_password"

# set :scm, :git # You can set :scm explicitly or Capistrano will make an intelligent guess based on known version control directory names
# Or: `accurev`, `bzr`, `cvs`, `darcs`, `git`, `mercurial`, `perforce`, `subversion` or `none`

set :user, 'username'
set :password, 'password'
set :use_sudo, false

set :keep_releases, 5

set :deploy_via, :rsync_with_remote_cache

set :copy_exclude, %W(
  .svn
  **/.svn
  .git
  **/.git
  .bundle/
  .gitignore
  .ruby-version
)
set :rsync_options, '-rtlvz --delete --delete-excluded ' +
  copy_exclude.map{|e| "--exclude='#{e}'"}.join(' ')

# if you want to clean up old releases on each deploy uncomment this:

# if you're still using the script/reaper helper you will need
# these http://github.com/rails/irs_process_scripts

# If you are using Passenger mod_rails uncomment this:
namespace :deploy do

  task :default do
    update
  end

  task :update do
    transaction do
      update_code
      create_config_symlink
      create_symlink
    end
  end

  task :start do
    run "cd #{current_path} && bundle exec unicorn_rails -c #{current_path}/config/unicorn.rb -E #{rails_env} -D"
  end

  task :restart do
    stop
    start
  end

  task :reload do
    if File.exist? "#{current_path}/tmp/pids/unicorn.pid"
      run "kill -s USR2 `cat #{current_path}/tmp/pids/unicorn.pid`"
    else
      start
    end
  end

  task :stop do
    run "kill -s QUIT `cat #{current_path}/tmp/pids/unicorn.pid`"
  end

  task :cache_clear do
    run "cd #{current_path} && RAILS_ENV=#{rails_env} bundle exec rake tmp:cache:clear"
  end

  task :precompile, :roles => :web do
    run "cd #{current_path} && RAILS_ENV=#{rails_env} bundle exec rake assets:precompile"
  end

  task :create_config_symlink, :roles => :web do
    on_rollback { run "rm -rf #{release_path}; true" }
    run "cp #{release_path}/config/database.yml.base #{shared_path}/database.yml && ln -s #{shared_path}/database.yml #{release_path}/config/database.yml"
    run "cp #{release_path}/config/unicorn/#{rails_env}.rb #{shared_path}/unicorn.rb && ln -s #{shared_path}/unicorn.rb #{release_path}/config/unicorn.rb"
  end
end

after "deploy", "deploy:cleanup"