main.yml

---
- include: repos.yml

# Upgrade already installed packages to latest version and clean system

- name: apt update
  apt:
    force_apt_get: true
    install_recommends: false
    update_cache: true
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

- name: apt dist upgrade
  apt:
    force_apt_get: true
    install_recommends: false
    upgrade: dist
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

- name: apt clean and autoremove
  apt:
    force_apt_get: true
    install_recommends: false
    autoclean: true
    autoremove: true
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

# Install new packages and remove conflicts

- name: install system utilities
  apt:
    force_apt_get: true
    install_recommends: false
    name: "{{ sysconfig_packages }}"
    state: latest
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

- name: remove conflicting packages
  apt:
    force_apt_get: true
    install_recommends: false
    name:
      - exim4
      - exim4-base
      - exim4-config
      - exim4-daemon-light
    state: absent
    purge: true
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

# Enable automatic security upgrades

- name: install unattended-upgrades
  apt:
    force_apt_get: true
    install_recommends: false
    name: unattended-upgrades
    state: latest
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

- name: enable unattended upgrades
  copy:
    dest: /etc/apt/apt.conf.d/20auto-upgrades
    content: |
      APT::Periodic::Update-Package-Lists "1";
      APT::Periodic::Unattended-Upgrade "1";

- name: remove old kernel with unattended-upgrades
  replace:
    dest: /etc/apt/apt.conf.d/50unattended-upgrades
    regexp: '^//Unattended-Upgrade::Remove-Unused-Kernel-Packages.*$'
    replace: 'Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";'
  notify: restart unattended-upgrades

- name: allow automatic updates for ubicast security
  lineinfile:
    path: /etc/apt/apt.conf.d/50unattended-upgrades
    insertafter: '^Unattended-Upgrade::Origins-Pattern {$'
    line: '        "origin=UbiCast,label=UbiCast-Security";'
    backup: true

- name: enable root login via ssh with key
  replace:
    dest: /etc/ssh/sshd_config
    regexp: "^#PermitRootLogin (yes|without-password|prohibit-password)"
    replace: "PermitRootLogin without-password"
  notify: restart sshd

- name: remove disabled root login
  replace:
    dest: /root/.ssh/authorized_keys
    regexp: "^no-port-forwarding,(.+) ssh-"
    replace: "ssh-"
  ignore_errors: true

# FIREWALL

- name: firewall
  when: sysconfig_firewall_enabled
  vars:
    ferm_rules_filename: "{{ sysconfig_ferm_rules_filename }}"
    ferm_input_rules: "{{ sysconfig_ferm_input_rules }}"
    ferm_output_rules: "{{ sysconfig_ferm_output_rules }}"
    ferm_global_settings: "{{ sysconfig_ferm_global_settings }}"
  include_role:
    name: ferm-configure

- include: logs.yml

- include: locale.yml

- include: ntp.yml

...