Capistrano config file example with Resque and Resque Scheduler

deploy.rb

require "rvm/capistrano"                  # Load RVM's capistrano plugin.

require "bundler/capistrano"

set :rvm_ruby_string, '1.9.3'
set :rvm_type, :user  # Literal ":user"

set :application, "blog_test"
set :repository,  "[email protected]:ryancheung/blog.git"
set :scm, :git

set :user, 'ryan'
set :use_sudo, false

set :deploy_to, "/var/apps/#{application}"

# 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`

role :web, "ubuntu-server"                          # Your HTTP server, Apache/etc
role :app, "ubuntu-server"                          # This may be the same as your `Web` server
role :db,  "ubuntu-server", :primary => true # This is where Rails migrations will run

set :rails_env, 'production'

# if you want to clean up old releases on each deploy uncomment this:
after "deploy:restart", "deploy:cleanup"

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

namespace :deploy do
  task :start, :roles => :app do
    run "cd #{deploy_to}/current/; RAILS_ENV=#{rails_env} ./unicorn.sh start"
  end

  task :stop, :roles => :app do
    run "cd #{deploy_to}/current/; RAILS_ENV=#{rails_env} ./unicorn.sh stop"
  end

  desc "Restart Application"
  task :restart, :roles => :app do
    run "cd #{deploy_to}/current/; RAILS_ENV=#{rails_env} ./unicorn.sh restart"
  end
end

namespace :resque do
  desc "Start resque worker"
  task :start, :roles => :db do
    run "cd #{deploy_to}/current/; RAILS_ENV=production PIDFILE=./tmp/pids/resque.pid BACKGROUND=yes QUEUE=* bundle exec rake resque:work"
  end

  desc "Stop resque worker"
  task :stop, :roles => :db do
    run "cd #{deploy_to}/current/; kill -QUIT $(cat ./tmp/pids/resque.pid)"
  end

  desc "Restart resque worker"
  task :restart do
    run "cd #{deploy_to}/current/; kill -QUIT $(cat ./tmp/pids/resque.pid)"
    run "cd #{deploy_to}/current/; RAILS_ENV=production PIDFILE=./tmp/pids/resque.pid BACKGROUND=yes QUEUE=* bundle exec rake resque:work"
  end

  desc "Start resque scheduler worker"
  task :start_scheduler, :roles => :db do
    run "cd #{deploy_to}/current/; RAILS_ENV=production PIDFILE=./tmp/pids/resque_scheduler.pid BACKGROUND=yes QUEUE=* bundle exec rake resque:scheduler"
  end

  desc "Stop resque scheduler worker"
  task :stop_scheduler, :roles => :db do
    run "cd #{deploy_to}/current/; kill $(cat ./tmp/pids/resque_scheduler.pid)"
  end

  desc "Restart resque scheduler worker"
  task :restart_scheduler, :roles => :db do
    run "cd #{deploy_to}/current/; kill $(cat ./tmp/pids/resque_scheduler.pid)"
    run "cd #{deploy_to}/current/; RAILS_ENV=production PIDFILE=./tmp/pids/resque_scheduler.pid BACKGROUND=yes QUEUE=* bundle exec rake resque:scheduler"
  end
end

after "deploy:restart", "resque:restart"
after "resque:restart", "resque:restart_scheduler"