# more or less as per http://wiki.znc.in/Running_ZNC_as_a_system_daemon

- name: Install znc
  apt: pkg={{ item }} state=installed
  with_items:
    - znc

- name: Create znc group
  group: name=znc state=present

- name: Create znc user
  user: name=znc state=present home=/usr/lib/znc system=yes group=znc shell=/usr/sbin/nologin

- name: Ensure pid directory exists
  file: state=directory path=/var/run/znc group=znc owner=znc

- name: Copy znc service file into place
  copy: src=etc_systemd_system_znc.service dest=/etc/systemd/system/znc.service mode=0644

- name: Create a combined version of the SSL private key and full certificate chain
  shell: cat /etc/letsencrypt/live/{{ domain }}/privkey.pem
    /etc/letsencrypt/live/{{ domain }}/fullchain.pem >
    /usr/lib/znc/znc.pem
    creates=/usr/lib/znc/znc.pem
  notify: restart znc

- name: Update certificate renwal cron job
  lineinfile: dest=/etc/cron.monthly/letsencrypt-renew state=present
    line="cat /etc/letsencrypt/live/{{ domain }}/{privkey,fullchain}.pem > /usr/lib/znc/znc.pem; chown znc.znc /usr/lib/znc/znc.pem; chmod 640 /usr/lib/znc/znc.pem; service znc restart"
    insertafter="EOF"

- name: Ensure znc user and group can read cert
  file: path=/usr/lib/znc/znc.pem group=znc owner=znc mode=640
  notify: restart znc

- name: Check for existing config file
  command: cat /usr/lib/znc/configs/znc.conf
  register: znc_config
  ignore_errors: True
  changed_when: False  # never report as "changed"

- name: Create znc config directory
  file: state=directory path=/usr/lib/znc/configs group=znc owner=znc

- name: Copy znc configuration file into place
  template: src=usr_lib_znc_configs_znc.conf.j2 dest=/usr/lib/znc/configs/znc.conf owner=znc group=znc
  when: znc_config.rc != 0
  notify: restart znc

- name: Set firewall rule for znc
  ufw: rule=allow port=6697 proto=tcp
  tags: ufw

- name: Ensure znc is a system service
  service: name=znc state=restarted enabled=true