---
# Tasks file for the fail2ban role

# Infrastructure
# Ansible instructions to deploy the infrastructure
# Copyright (C) 2020       Saibotk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

- name: Install fail2ban package.
  package:
    name: "{{ fail2ban_package }}"
    state: "{{ fail2ban_package_state }}"
  become: true

- name: Create fail2ban logging directory.
  file:
    path: "/var/log/fail2ban"
    state: directory
    mode: '0700'
    owner: 'root'
    group: 'root'
  become: true

- name: Create fail2ban systemd drop-in directory.
  file:
    path: "/etc/systemd/system/fail2ban.service.d"
    state: directory
    mode: '0755'
    owner: 'root'
    group: 'root'
  become: true

- name: Deploy fail2ban jail config.
  template:
    src: "jail.local.j2"
    dest: "/etc/fail2ban/jail.local"
    mode: '0644'
    owner: 'root'
    group: 'root'
  notify: restart fail2ban service
  become: true

- name: Deploy fail2ban config.
  template:
    src: "fail2ban.local.j2"
    dest: "/etc/fail2ban/fail2ban.local"
    mode: '0644'
    owner: 'root'
    group: 'root'
  notify: restart fail2ban service
  become: true

- name: Deploy fail2ban hardening systemd drop-in.
  template:
    src: override.conf.j2
    dest: /etc/systemd/system/fail2ban.service.d/override.conf
    mode: '0644'
    owner: 'root'
    group: 'root'
  notify: restart fail2ban service
  become: true

- name: Flush handlers
  meta: flush_handlers

- name: Ensure fail2ban service is enabled and started.
  systemd:
    name: fail2ban
    state: started
    enabled: true
    daemon_reload: true
  become: true