adds capistrano tasks and hooks for delayed_jobs

config/deploy.rb

@@ -27,7 +27,7 @@ set :pty, true
 set :use_sudo, false
 
 set :linked_files, %w{config/database.yml config/secrets.yml}
-set :linked_dirs, %w{log tmp public/system public/assets}
+set :linked_dirs, %w{log tmp public/system public/assets tmp/pids}
 
 set :keep_releases, 5
 
@@ -36,6 +36,9 @@ set :local_user, ENV['USER']
 # Run test before deploy
 set :tests, ["spec"]
 
+set :delayed_job_server_role, :worker
+set :delayed_job_args, "-n 2"
+
 # Config files should be copied by deploy:setup_config
 set(:config_files, %w(
   log_rotation
@@ -55,6 +58,8 @@ namespace :deploy do
   after 'deploy:symlink:shared', 'deploy:compile_assets_locally'
   after :finishing, 'deploy:beta_testers'
   after :finishing, 'deploy:cleanup'
+  # Restart Delayed Job
+  after 'deploy:publishing', 'delayed_job:restart'
   # Restart unicorn
   after 'deploy:publishing', 'deploy:restart'
 end

lib/capistrano/tasks/delayed_job.rake

@@ -0,0 +1,44 @@
+namespace :delayed_job do
+
+  def args
+    fetch(:delayed_job_args, "")
+  end
+
+  def delayed_job_roles
+    fetch(:delayed_job_server_role, :app)
+  end
+
+  desc 'Stop the delayed_job process'
+  task :stop do
+    on roles(delayed_job_roles) do
+      within release_path do
+        with rails_env: fetch(:rails_env) do
+          execute :bundle, :exec, :'bin/delayed_job', :stop
+        end
+      end
+    end
+  end
+
+  desc 'Start the delayed_job process'
+  task :start do
+    on roles(delayed_job_roles) do
+      within release_path do
+        with rails_env: fetch(:rails_env) do
+          execute :bundle, :exec, :'bin/delayed_job', args, :start
+        end
+      end
+    end
+  end
+
+  desc 'Restart the delayed_job process'
+  task :restart do
+    on roles(delayed_job_roles) do
+      within release_path do
+        with rails_env: fetch(:rails_env) do
+          execute :bundle, :exec, :'bin/delayed_job', args, :restart
+        end
+      end
+    end
+  end
+
+end