module CapistranoDeployManagement module Unicorn def self.load_into(configuration) configuration.load do set(:unicorn_config) { "#{current_path}/config/unicorn.rb" } set(:unicorn_pidfile) { "#{deploy_to}/shared/pids/unicorn.pid" } set(:unicorn_pid) { "cat #{deploy_to}/shared/pids/unicorn.pid" } namespace :unicorn do desc 'Restart unicorn.' task :restart, :roles => :app do # FIXME: PID does not exist, thus restarting fails # run "cd #{current_path} && kill -s USR2 #{unicorn_pid}" unicorn.stop unicorn.start end desc 'Start unicorn.' task :start, :roles => :app do run "cd #{current_path} && bundle exec unicorn -c #{unicorn_config} -E #{rails_env} -D" end desc 'Stop unicorn.' task :stop, :roles => :app do # run "cd #{current_path} && kill $(#{unicorn_pid})" run "cd #{current_path} && test -s #{unicorn_pidfile} && kill $(#{unicorn_pid}) || echo 'Unicorn not running. Nothing to kill.'" end end after 'deploy:restart', 'unicorn:restart' end end end end