---
- name: Install the required packages needed by the external varnish repo
  apt: pkg={{ item }} state=present
  with_items: varnish_repo_requirements
  when: varnish_repo
  tags: varnish

- name: Get the varnish repo key
  apt_key: url=https://repo.varnish-cache.org/GPG-key.txt state=present
  when: varnish_repo
  register: varnish_repo_list
  tags: varnish

- name: Define the varnish repository
  apt_repository: repo='deb {{ varnish_repo_url }}' state=present
  when: varnish_repo
  register: varnish_repo_list
  tags: varnish

- name: Update the apt cache if needed
  apt: update_cache=yes
  when: ( varnish_repo_list | changed )
  tags: varnish
  
- name: Install the varnish package
  apt: pkg={{ item }} state={{ varnish_pkg_state }}
  with_items: varnish_pkg_name
  tags: varnish

# - name: Install the varnish parameters file. The config file needs to be set by a local task
#   template: src={{ item }}.j2 dest=/etc/varnish/{{ item }} owner=root group=root mode=0444
#   with_items:
#     - varnish.params
#   notify: Reload varnish
#   tags:
#     - varnish
#     - varnishconf

# - name: Ensure that the varnish service is started and enabled
#   service: name=varnish state=started enabled=yes
#   when: varnish_enabled
#   tags:
#     - varnish

# - name: Ensure that the varnish service is stopped and disabled
#   service: name=varnish state=stopped enabled=no
#   when: not varnish_enabled
#   tags:
#     - varnish