playbook.yml

---
- hosts: aws
  remote_user: ec2-user
  tasks:
    - name: test connection
      ping:
      remote_user: ec2-user

    - name: copy web app files
      copy: src=NodejsWebApp dest=/home/ec2-user owner=ec2-user group=ec2-user mode="u=rw"

    - name: yum install npm
      yum:  pkg=npm state=latest enablerepo=epel
      sudo: yes
   
    - name: npm install coffee-script
      npm: name=coffee-script global=yes
      sudo: yes

    - name: nmp install web app
      npm: path=/home/ec2-user/NodejsWebApp/

    - name: "Install forever (to run Node.js app)."
      npm: name=forever global=yes state=latest
      sudo: yes
   
    - name: "Check list of Node.js apps running."
      command: forever list
      register: forever_list
      changed_when: false

    - name: "Start example Node.js app."
      command: forever start /home/ec2-user/NodejsWebApp/server.js
      when: "forever_list.stdout.find('/home/ec2-user/NodejsWebApp/server.js') == -1"