playbook.yml

---
- hosts: nodes
  sudo: yes

  vars:
    - homeDir: /home/ubuntu
    - appDir: tmbot
    - packages:
        - nodejs
        - nodejs-legacy
        - git-core
        - postgresql
  tasks:
   - name: Install NodeJs
     apt: pkg=nodejs state=present update_cache=yes cache_valid_time=20000
     become: yes
     
   - name: Install git
     apt: pkg=git state=present update_cache=yes cache_valid_time=20000
     become: yes
     
   - name: Install Postgres
     apt: name={{ item }} update_cache=yes cache_valid_time=3600 state=present
     sudo: yes
     with_items:
     - postgresql
     - postgresql-contrib
     - libpq-dev
     - python-psycopg2
     
   - name: Create TaskBotDB database
     sudo_user: postgres
     postgresql_db: name=TaskBotDB encoding='UTF-8' lc_collate='en_US.UTF-8' lc_ctype='en_US.UTF-8' state=present
     
   - name: Create TaskBotDB role for database
     sudo_user: postgres
     postgresql_user: db=TaskBotDB user=TaskUser password=taskbot priv=ALL state=present
     
   - name: Start the Postgresql service
     sudo: yes
     service:
       name: postgresql
       state: started
       enabled: true
       
   - name: Importing lexiiodb data
     sudo_user: postgres
     shell: pg_restore -U postgres -d TaskBotDB < TaskBotDB_backup
     
   - name: Install forever
     npm: name=forever global=yes state=present
     
   - name: Running npm install
     npm: path = {{homeDir}}/{{appDir}}/backened global=yes

   - name: "Check if any nodejs apps are running"
     command: forever list
     register: forever_list  
     changed_when: false
     
   - name: Clone repo
     git:
      repo: git@github.ncsu.edu:asoni3/CSC510-Project.git
      version: deployment_database
      key_file: /home/ubuntu/.ssh/id_rsa
      dest: slackapp
      accept_hostkey: yes
      
     
   - name: Starting application
     command: forever start {{homeDir}}/slackapp/{{appDir}}/tmbot.js
     when: "forever_list.stdout.find('/home/vagrant/App/main.js') == -1"  
     
     
     # emit a debug message with each package
   - debug:
       msg: "{{ item }}"
     with_items: "{{packages}}"
     
#When running again perform following commands:
# sudo rm /usr/bin/node
# cd
# sudo rm -rf App
# sudo apt-get remove nodejs     
#Combine two commands to install a list of packages