site.yml

---
# This is an Ansible playbook specifying the instructions for deploying the purl.obolibrary.org site.

- hosts: all
  user: ubuntu
  become: True
  become_method: sudo
  gather_facts: True

  vars:
    mode:      production
    domain:    purl.obolibrary.org
    owner:     OBOFoundry
    repo:      purl.obolibrary.org
    repo_dir:  "/var/www/{{ repo }}"
    repo_url:  "https://github.com/{{ owner }}/{{ repo }}.git"
    cron_job:  "cd {{ repo_dir }} && make safe-update"

  handlers:
    - name: restart apache
      service: name=apache2 state=restarted

  tasks:
    - name: Update apt-get cache
      shell: "apt-get update"

    - name: Install system-wide packages (not Travis)
      when: mode != "travis"
      apt: pkg={{ item }} state=present
      with_items:
        - ntp
        - git
        - python3

    - name: Install system-wide packages (All)
      apt: pkg={{ item }} state=present
      with_items:
        - apache2
        - python3-pip

    - name: Install PyYAML
      pip: name=PyYAML executable=pip3

    - name: Install pathlib2 for jsonschema
      pip: name=pathlib2 executable=pip3

    - name: Install jsonschema
      pip: name=jsonschema==3.0.2 executable=pip3

    - name: Clone the Git repo
      when: mode == "production"
      git: repo={{ repo_url }} dest={{ repo_dir }}

    - name: Build Apache Config 
      when: mode == "production"
      shell:  "cd {{ repo_dir }} && make all"

    - name: Immediately update the PURLs
      when: mode == "production"
      shell: "{{ cron_job }}; exit 0"

    - name: Set cron to update PURLs every 10 minutes
      when: mode == "production"
      cron: name="update PURLs" minute="*/10" job="PATH=/usr/local/bin:$PATH; {{ cron_job }} >> /var/log/obo-purl-cron 2>&1"

    - name: Disable default Apache site
      command: a2dissite 000-default removes=/etc/apache2/sites-enabled/000-default.conf
      notify: restart apache

    - name: Make the PURL site available
      template: src=etc_apache2_sites-available_site.j2 dest="/etc/apache2/sites-available/{{ repo }}.conf" group=root owner=root force=yes
      notify: restart apache

    - name: Enable the PURL site
      command: "a2ensite {{ repo }}.conf creates=/etc/apache2/sites-enabled/{{ repo }}.conf"
      notify: restart apache