config/deploy.rb

deploy.rb

after "deploy:restart", "deploy:restart_workers"

def run_remote_rake(rake_cmd)
  rake_args = ENV['RAKE_ARGS'].to_s.split(',')
 
  cmd = "cd #{fetch(:latest_release)} && bundle exec #{fetch(:rake, "rake")} RAILS_ENV=#{fetch(:rails_env, "production")} #{rake_cmd}"
  cmd += "['#{rake_args.join("','")}']" unless rake_args.empty?
  run cmd
  set :rakefile, nil if exists?(:rakefile)
end
 
namespace :deploy do
  desc "Restart Resque Workers"
  task :restart_workers, :roles => :worker do
    run_remote_rake "resque:restart_workers"
  end
end