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- name: Install fail2ban
  apt: pkg=fail2ban

- name: Configure fail2ban (fail2ban.local)
  copy: src=etc/fail2ban/fail2ban.local
        dest=/etc/fail2ban/fail2ban.local
        owner=root group=root
        mode=0644
  register: r1
  notify:
    - Restart fail2ban

- name: Configure fail2ban (jail.local)
  template: src=etc/fail2ban/jail.local.j2
            dest=/etc/fail2ban/jail.local
            owner=root group=root
            mode=0644
  register: r2
  notify:
    - Restart fail2ban

- name: Configure fail2ban (action.d/nftables-allports.local)
  copy: src=etc/fail2ban/action.d/nftables-allports.local
        dest=/etc/fail2ban/action.d/nftables-allports.local
        owner=root group=root
        mode=0644
  register: r3
  notify:
    - Restart fail2ban

- name: Copy filters
  copy: src=etc/fail2ban/filter.d/
        dest=/etc/fail2ban/filter.d/
        owner=root group=root
        mode=0644
  register: r4
  notify:
    - Restart fail2ban

- name: Create directory /etc/systemd/system/fail2ban.service.d
  file: path=/etc/systemd/system/fail2ban.service.d
        state=directory
        owner=root group=root
        mode=0755

- name: Harden fail2ban.service
  copy: src=etc/systemd/system/fail2ban.service.d/override.conf
        dest=/etc/systemd/system/fail2ban.service.d/override.conf
        owner=root group=root
        mode=0644
  register: r5
  notify:
    - systemctl daemon-reload
    - Restart fail2ban

- name: Start fail2ban
  service: name=fail2ban state=started
  when: not (r1.changed or r2.changed or r3.changed or r4.changed or r5.changed)

- meta: flush_handlers

- name: Delete /var/lib/fail2ban/fail2ban.sqlite3
  file: path=/var/lib/fail2ban/fail2ban.sqlite3 state=absent