ansible-role-djangoapp/tasks/main.yml

---
# tasks file for django
- name: 'install dependencies'
  package:
    name:
      - 'python3-django'
      - 'curl'
      - 'tar'
      - 'python3-psycopg2'
      - 'python3-gunicorn'
      - 'python3-whitenoise'
    state: 'present'

- name: Install multi python packages
  pip:
    name:
      - bootstrap4

- name: 'Create django user'
  user:
    name: "{{ django_user }}"
    comment: "django user"
    home: "{{ django_home }}"
    shell: "/bin/false"

- name: 'download latest stable version of the app'
  get_url:
    dest: "{{ django_home }}/latest.tar.gz"
    url: "{{ django_app_releaseurl }}"
    owner: "{{ django_user }}"
    group: "{{ django_group }}"
    mode: '0400'
    force: true

- name: 'remove previous install stable'
  file:
    dest: "{{django_home}}/{{ django_appname }}"
    state: absent

- name: 'unarchive latest stable'
  unarchive:
    src: "{{django_home}}/latest.tar.gz"
    remote_src: yes
    dest: "{{ django_home }}"
    owner: "{{ django_user }}"
    group: "{{ django_group }}"
  notify: "Restart djangoapp"


- name: 'install pip dependencies'
  pip:
    requirements: '{{ django_home }}/{{ django_appname }}/requirements.txt'
  notify: "Restart djangoapp"


- name: "Setup systemd service"
  template:
    src: djangoapp.service.j2
    dest: "/lib/systemd/system/{{ django_appname }}.service"
    owner: root
    group: root
    mode: 0644
  notify:
    - "Reload systemd"
    - "Restart djangoapp"
  when: ansible_service_mgr == "systemd"


- name: "Configure djangoapp"
  template:
    src: "{{ django_appname }}/settings_template.py.j2"
    dest: "{{django_home }}/{{ django_appname }}/settings.py"
    owner: "{{ django_user }}"
    group: "{{ django_group }}"
    mode: 0600
  notify: "Restart djangoapp"

- name: 'migrate django app'
  django_manage:
    command: migrate
    app_path: "{{django_home }}/{{ django_appname }}/"
  become: true
  become_user: "{{ django_user }}"

- name: check if django superuser exists
  django_manage:
    command: 'shell -c "from django.contrib.auth.models import User; print(User.objects.filter(is_superuser=True).exists())"'
    app_path: "{{django_home }}/{{ django_appname }}/"
  register: superuser_exists
  become: true
  become_user: "{{ django_user }}"

- name: "create superjuser for django app if it doesn't exist"
  django_manage:
    command: "createsuperuser --noinput --username=admin --email={{django_admin_email}}"
    app_path: "{{django_home }}/{{ django_appname }}/"
  become: true
  become_user: "{{ django_user }}"
  when: superuser_exists.out.find("True") == -1

- name: "set superuser password"
  django_manage:
    command: shell -c "from django.contrib.auth.models import User; usr = User.objects.get(username='admin'); usr.set_password('{{im_admin_password}}'); usr.save()"
    app_path: "{{django_home }}/{{ django_appname }}/"
  become: true
  become_user: "{{ django_user }}"

- name: 'collect static content'
  django_manage:
    command: "collectstatic"
    app_path: "{{django_home }}/{{ django_appname }}/"

- name: "Service djangoapp"
  service:
    name: "{{ django_appname }}"
    state: started
    enabled: true
  when: ansible_service_mgr == "systemd"