foreman export from capistrano, then restart application using monit

foreman.rb

## export upstart config using foreman
namespace :foreman do

  desc "Export Procfile to upstart"
  task :export do
    links = {
      '.env'     => "~#{fetch(:foreman_user)}/#{fetch(:application)}/env",
      '.foreman' => "~#{fetch(:foreman_user)}/#{fetch(:application)}/foreman",
    }
    on roles(:app) do
      within(release_path) do
        links.each do |link, src|
          execute :if, "[ -f #{src} ];", :then, "ln -sf #{src} #{link};", :fi
        end
        execute :bundle, :exec, :foreman, :export, :upstart, '/etc/init'
      end
    end
  end

end

after 'deploy:updated', 'foreman:export'

monit.rb

## adds monit tasks to restart service
## this is preferential to using upstart directly, as it will prevent
## triggering alarms on deploy
namespace :monit do

  desc "Start the application services using monit"
  task :start do
    on roles(:app) do
      execute :sudo, 'monit start', fetch(:application)
    end
  end

  desc "Stop the application services using monit"
  task :stop do
    on roles(:app) do
      execute :sudo, 'monit stop', fetch(:application)
    end
  end

  ## do not use restart, it will error if nothing running, and if running
  ## will not reload the upstart configs, do a safe stop, then start
  desc "Restart the application services using monit"
  task :restart do
    on roles(:app) do
      execute :sudo, 'monit restart', fetch(:application)
    end
  end

end

after 'deploy:publishing', 'monit:restart'