---
- hosts: all
  become: True

  tasks:
    - name: Stop Apache
      ansible.builtin.systemd:
        name: apache2
        state: stopped

    - name: Install Varnish
      ansible.builtin.package:
        name: varnish
        state: present

    - name: Create conf directory
      ansible.builtin.file:
        path: /etc/systemd/system/varnish.service.d
        state: directory
        mode: '0655'

    - name: Dropping config in conf directory
      ansible.builtin.template:
        src: templates/customexec.conf.j2
        dest: /etc/systemd/system/varnish.service.d/customexec.conf
        mode: '0655'
        owner: root
        group: root

    - name: Dropping Varnish config (default.vcl)
      ansible.builtin.template:
        src: templates/default.vcl.j2
        dest: /etc/varnish/default.vcl
        mode: '0644'
        force: yes

    - name: Reload daemons, enable varnish
      ansible.builtin.systemd:
        daemon_reload: yes
        name: varnish.service
        enabled: yes
        state: stopped

    - name: Modfying Apache default port
      ansible.builtin.lineinfile:
        path: /etc/apache2/ports.conf
        regexp: '^Listen 80$'
        line: 'Listen 8080'
        
    - name: Find all enabled vhosts
      ansible.builtin.find:
        paths: /etc/apache2/sites-available
        patterns: "*.conf"
        follow: yes
        file_type: file
      register: vhosts

    - name: dbg
      ansible.builtin.debug:
        var: vhosts.files

    - name: Modfying VHosts
      ansible.builtin.replace:
        path: "{{ item.path }}"
        regexp: '^\<[Vv]irtual[Hh]ost \*:80\>$'
        replace: "<VirtualHost *:8080>"
      with_items:
        - "{{ vhosts.files }}"

    - name: Activating Apache Headers Mod
      community.general.apache2_module:
        state: present
        name: headers
        identifier: headers_module

    - name: Restart Varnish and Apache
      ansible.builtin.systemd:
        name: "{{ item }}"
        state: restarted
      with_items:
        - "apache2.service"
        - "varnish.service"