---
- name: Install Varnish
  apt:
    name: varnish
    state: present

- name: Remove default varnish configuration files
  file:
    path: "{{ item }}"
    state: absent
  with_fileglob: "/etc/defaults/varnish*"

- name: Copy Custom Varnish ExecReload script
  copy:
    src: "reload-vcl.sh"
    dest: "/etc/varnish/reload-vcl.sh"
    mode: "0700"
    owner: root
    group: root

- name: Create a system config directory for systemd overrides
  file:
    path: /etc/systemd/system/varnish.service.d
    state: directory

- name: Modify Varnish configuration files
  copy:
    src: varnish.conf
    dest: /etc/systemd/system/varnish.service.d/
  notify: reload systemctl

- name: Patch logrotate conf
  replace:
    name: /etc/logrotate.d/varnish
    regexp: "/usr/sbin/invoke-rc.d {{item}} reload.*$"
    replace: "systemctl -q is-active {{item}} && /usr/sbin/invoke-rc.d {{item}} reload > /dev/null ||true"
  with_items:
    - varnishlog
    - varnishncsa