Capistrano deployment script for play2 application

config.rb

namespace :deploy do

   task :restart do
     stop
     sleep 1
     start
   end

   task :start do
     targets = find_servers_for_task(current_task)
     failed_targets = targets.map do |target|
       cmd = "ssh #{user}@#{target.host} 'cd #{current_release}/my-app && ./start.sh'"
       target.host unless system cmd  
     end.compact

     raise "starting my play2 app failed on #{failed_targets.join(',')}" if failed_targets.any?
   end

   task :stop do
     targets = find_servers_for_task(current_task)
     failed_targets = targets.map do |target|
       cmd = "ssh #{user}@#{target.host} 'cd #{current_release}/my-app && ./stop.sh'"
       target.host unless system cmd
     end.compact

     raise "stopping my play2 app failed on #{failed_targets.join(',')}" if failed_targets.any?
   end
end

start.sh

#!/bin/bash

nohup bash -c "/var/lib/play2/play start &>> /tmp/my-app.log 2>&1" &> /dev/null &

stop.sh

#!/bin/bash

pid=`cat RUNNING_PID 2> /dev/null`
if [ "$pid" == "" ]; then echo "my play2 app is not running"; exit 0; fi
echo "Stopping my play2 app..."
kill -SIGTERM $pid