---

- name: Manage extinct_potato's personal cloud
  hosts: all
  vars:
    d_stuff: "/home/{{ ansible_ssh_user }}/dstuff"

  tasks:
    - name: Ensure Python3 is default
      become: yes
      community.general.alternatives:
        name: python
        path: /usr/bin/python3
        link: /usr/bin/python

    - name: Ensure initial prerequisites
      become: yes
      apt:
        update_cache: yes
        pkg:
          - git
          - apt-transport-https
          - ca-certificates
          - curl
          - software-properties-common
          - python3-pip
          - virtualenv
          - python3-setuptools
          - python3-docker
          - python3-requests

    - name: Add Docker GPG key
      become: yes
      apt_key:
        url: https://download.docker.com/linux/debian/gpg
        state: present

    - name: Add Docker repository
      become: yes
      apt_repository:
        repo: deb https://download.docker.com/linux/debian buster stable
        state: present

    - name: Install Docker
      become: yes
      apt:
        update_cache: yes
        pkg:
          - docker-ce
          - docker-ce-cli
          - containerd.io

    - name: Install docker-compose
      pip:
        name: docker-compose

    - name: Add the current SSH user to Docker group
      become: yes
      user:
        name: "{{ ansible_ssh_user }}"
        groups: docker
        append: yes

    - name: Ensure Docker service is enabled
      become: yes
      ansible.builtin.systemd:
        name: docker
        state: started
        enabled: yes

    - name: Create a network for related containers
      community.docker.docker_network:
        name: web

    - name: Ensure directory for stuff
      file:
        path: '{{ ansible_env.HOME }}/d'
        state: directory

    - name: Ensure the deploy key
      copy: 
        src: "{{ item }}"
        dest: "{{ ansible_env.HOME }}/.ssh/"
        mode: 0600
      with_fileglob:
        - secrets/id_rsa*

    - name: Clone the repository with compose files
      git:
        repo: 'ssh://git@git.hopeburn.eu:42367/dockerstuff/personal-cloud-docker-stuff.git'
        dest: "{{ d_stuff }}"
        accept_hostkey: yes
      register: d_stuff_ret

    - name: Update generic containers
      when: d_stuff_ret.changed
      block:
      - name: List generic container sets
        find:
          paths: "{{ d_stuff }}"
          patterns: "*"
          recurse: no
          file_type: directory
        register: generic_containers


      - name: List files
        debug:
          msg: "{{ [item.path] }}"
        with_items: "{{ generic_containers.files }}"

      - name: Tear down containers
        community.docker.docker_compose:
          project_src: "{{ [item.path] }}"
          state: absent
          debug: yes
        with_items: "{{ generic_containers.files }}"

      - name: Update and start containers
        community.docker.docker_compose:
          project_src: "{{ [item.path] }}"
          state: present
          stopped: yes
          build: yes
          pull: yes
        with_items: "{{ generic_containers.files }}"