playbookcentos.yml

---
- hosts: localhost
  become: yes

  vars:
    node_apps_location: /usr/local/opt/node

  tasks:
    #- name: Install EPEL repo.
    #  yum: name=epel-release state=present

    #- name: Import Remi GPG key.
    #  rpm_key:
    #    key: "https://rpms.remirepo.net/RPM-GPG-KEY-remi"
    #    state: present

    #- name: Install Remi repo.
    #  yum:
    #    name: "https://rpms.remirepo.net/enterprise/remi-release-7.rpm"
    #    state: present

    - name: Ensure firewalld is stopped (since this is a test server).
      service: name=firewalld state=stopped

    - name: Install Node.js and npm.
      yum: name=npm state=present enablerepo=epel

    - name: Install Forever (to run our Node.js app).
      npm: name=forever global=yes state=present

    - name: Ensure Node.js app folder exists.
      file: "path={{ node_apps_location }} state=directory"

    - name: Copy example Node.js app to server.
      copy: "src=app dest={{ node_apps_location }}"

    - name: Install app dependencies defined in package.json.
      npm: "path={{ node_apps_location }}/app"

    - name: Check list of running Node.js apps.
      command: forever list
      register: forever_list
      changed_when: false

    - name: Start example Node.js app.
      command: "forever start {{ node_apps_location }}/app/app.js"
      when: "forever_list.stdout.find(node_apps_location + '/app/app.js') == -1"