playbook.yml

---
- name: "Manage weather application"
  hosts: all
  become: true
  tasks:
    - name: Install aptitude
      tags:
        - setup
      ansible.builtin.apt:
        name: aptitude
        update_cache: true

    - name: Install required system packages
      tags:
        - setup
      ansible.builtin.apt:
        pkg:
          - apt-transport-https
          - ca-certificates
          - curl
          - software-properties-common
          - python3-pip
          - virtualenv
          - python3-setuptools
          - git
        update_cache: true

    - name: Install Docker python module
      tags:
        - setup
      ansible.builtin.pip:
        name:
          - docker
          - docker-compose

    - name: Symlink docker-compose to /usr/bin
      tags:
        - setup
      ansible.builtin.file:
        src: /usr/libexec/docker/cli-plugins/docker-compose
        dest: /usr/bin/docker-compose
        state: link

    - name: Add Docker GPG apt Key
      tags:
        - setup
      ansible.builtin.apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        state: present

    - name: Add Docker Repository
      tags:
        - setup
      ansible.builtin.apt_repository:
        repo: deb https://download.docker.com/linux/ubuntu focal stable
        state: present

    - name: Update apt and install docker-ce
      tags:
        - setup
      ansible.builtin.apt:
        name: docker-ce
        update_cache: true

    - name: Add the user 'web'
      tags:
        - setup
      ansible.builtin.user:
        name: web
        comment: Web App

    - name: Recursively remove old application directory
      tags:
        - setup
      ansible.builtin.file:
        path: /app
        state: absent

    # - name: Move any existing repository away
    #   tags:
    #     - setup
    #   ansible.builtin.command: "mv -f /app /app.bak"
    #   args:
    #     removes: /app

    - name: Git checkout application repository
      tags:
        - setup
      ansible.builtin.git:
        repo: 'https://github.com/jirikivaari/example_weather'
        dest: /app
        version: master

    - name: Set env variables
      tags:
        - setup
      ansible.builtin.copy:
        content: "APPID={{ APPID }}\nNODE_ENV=production\n"
        dest: "/app/.env"
        mode: '0644'

    - name: Change ownership of application directory
      tags:
        - setup
      ansible.builtin.file:
        path: /app
        owner: web
        state: directory
        recurse: true

    - name: Tear down existing services
      tags:
        - start
      community.docker.docker_compose:
        project_src: /app
        state: absent

    - name: Start services with compose
      tags:
        - start
      community.docker.docker_compose:
        services:
          - nginx
          - frontend
          - backend
        project_src: /app
        build: true
        env_file: /app/.env
      register: output

    - name: "Print debug output"
      tags:
        - start
      ansible.builtin.debug:
        var: output

    - name: Restart services
      tags:
        - restart
      community.docker.docker_compose:
        project_src: /app
        build: false
        restarted: true
      register: output

    - name: Stop all services
      tags:
        - stop
      community.docker.docker_compose:
        project_src: /app
        build: false
        stopped: true
      register: output