---
# target: alpine3.11
- name: Install Health Checks
  hosts: healthchecks

  vars_files:
    - ../variables.yml

  tasks:

  - name: Ensuring group exists
    group:
      name: "{{ healthchecks_user }}"
      state: present

  - name: Creating user and making home directory
    user:
      system: yes
      state: present
      name: "{{ healthchecks_user }}"
      groups: "{{ healthchecks_user }}"
      home: "{{ healthchecks_home }}"

  - name: Installing the required dependencies
    apk:
      state: present
      update_cache: yes
      name:
        - musl-dev
        - postgresql-dev
        - python3-dev
        - gcc
        - git
        - supervisor
        - sudo
        - uwsgi
        - uwsgi-python

  - block:

    - name: Cloning repository
      git:
        repo: "{{ healthchecks_repository }}"
        dest: "{{ healthchecks_home }}"
        version: "{{ healthchecks_version }}"

    - name: Setting up python virtual environment
      shell: python3 -m venv .
      args:
        chdir: "{{ healthchecks_home }}"
        creates: bin/activate

    - name: Pip installing application
      shell: |
        . bin/activate
        pip install -r requirements.txt
      args:
        chdir: "{{ healthchecks_home }}"
        creates: lib/python3.8/site-packages/django

    - name: Migrating database
      shell: |
        . bin/activate
        ./manage.py migrate
      args:
        chdir: "{{ healthchecks_home }}"
        creates: hc.sqlite

    - name: Setting up application assets
      blockinfile:
        path: "{{ healthchecks_home }}/uwsgi.ini"
        block: |
          [uwsgi]
          http-socket = 0.0.0.0:8000
          enable-threads
          plugin = python
          virtualenv = /opt/healthchecks
          module = hc.wsgi:application
          static-map = /static=static-collected
          static-gzip-dir = static-collected/CACHE
          hook-pre-app = exec:./manage.py collectstatic --noinput
          hook-pre-app = exec:./manage.py compress --force
          attach-daemon = ./manage.py sendalerts
        create: yes

    - name: Setting up application configuration
      blockinfile:
        path: "{{ healthchecks_home }}/hc/local_settings.py"
        block: |
          SITE_NAME = "Check"
          DEBUG = False
          COMPRESS_ENABLED = True
          REGISTRATION_OPEN = False
          SECRET = "{{ secret_key }}"
        create: yes

    become: true
    become_user: "{{ healthchecks_user }}"

  - name: Copying supervisord config file
    copy:
      src: supervisord.conf
      dest: /etc/supervisord.conf
      mode: '0644'
    register: supervisorConfig

  - name: Ensuring supervisord has been started and enabled
    service:
      name: supervisord
      state: started
      enabled: yes

  - name: Waiting for supervisor to become active
    wait_for:
      port: 9100

  - name: Restarting supervisord due to config change
    service:
      name: supervisord
      state: restarted
    when: supervisorConfig.changed