capistrano_unicorn.rb

namespace :unicorn do
  desc "start unicorn"
  task :start, :roles => :app do
    run "cd #{current_path} && bundle exec unicorn -c config/unicorn/#{rails_env}.rb -E #{rails_env} -D"
  end

  desc "stop unicorn"
  task :stop, :roles => :app do
    run "#{try_sudo} kill -s QUIT `cat #{unicorn_pid}`"
  end

  desc "restart unicorn"
  task :restart, :roles => :app do
    top.unicorn.stop
    top.unicorn.start
  end

  desc "reload unicorn (gracefully restart workers)"
  task :reload, :roles => :app do
    run "#{try_sudo} kill -s USR2 `cat #{unicorn_pid}`"
  end

  desc "reconfigure unicorn (reload config and gracefully restart workers)"
  task :reconfigure, :roles => :app do
    run "#{try_sudo} kill -s HUP `cat #{unicorn_pid}`"
  end
end