---

- name: Enable use of proxy for retrieving system packages via apt
  template: src="apt_proxy.j2" dest="/etc/apt/apt.conf.d/00proxy"
            owner=root group=root mode=644
  when: apt_proxy is defined

- name: Disable use of proxy for retrieving system packages via apt
  file: path="/etc/apt/apt.conf.d/00proxy" state=absent
  when: apt_proxy is undefined

- name: Deploy pam-auth-update configuration file for enabling pam_umask
  copy: src=pam_umask dest=/usr/share/pam-configs/umask mode=644 owner=root group=root
  notify: Update PAM configuration

- name: Set login UMASK
  lineinfile: dest=/etc/login.defs state=present backrefs=yes regexp='^UMASK(\s+)' line='UMASK\g<1>027'

- name: Set home directory mask
  lineinfile: dest=/etc/adduser.conf state=present backrefs=yes regexp='^DIR_MODE=' line='DIR_MODE=0750'

- name: Install sudo
  apt: name=sudo state=present

- name: Install ssl-cert package
  apt: name=ssl-cert state=present

- name: Install common packages
  apt: name="{{ item }}" state="present"
  with_items: common_packages

- name: Set-up operating system groups
  group: name="{{ item.name }}" gid="{{ item.gid | default(omit) }}" state=present
  with_items: os_groups

- name: Set-up operating system user groups
  group: name="{{ item.name }}" gid="{{ item.uid | default(omit) }}" state=present
  with_items: os_users

- name: Set-up operating system users
  user: name="{{ item.name }}" uid="{{ item.uid | default(omit) }}" group="{{ item.name }}"
        groups="{{ ",".join(item.additional_groups | default([])) }}" append=yes shell=/bin/bash state=present
        password="{{ item.password | default('!') }}"
  with_items: os_users

- name: Set-up authorised keys
  authorized_key: user="{{ item.0.name }}" key="{{ item.1 }}"
  with_subelements:
    - "{{ os_users | selectattr('authorized_keys', 'defined') | list }}"
    - authorized_keys

- name: Disable remote logins for root
  lineinfile: dest="/etc/ssh/sshd_config" state=present regexp="^PermitRootLogin" line="PermitRootLogin no"
  notify:
    - Restart SSH

- name: Disable remote login authentication via password
  lineinfile: dest="/etc/ssh/sshd_config" state=present regexp="^PasswordAuthentication" line="PasswordAuthentication no"
  notify:
    - Restart SSH

- name: Deploy CA certificates
  copy: src="{{ item }}" dest="/etc/ssl/certs/{{ item | basename }}" mode=644 owner=root group=root
  with_items: ca_certificates
  notify:
    - Update CA certificate cache

- name: Install ferm (for firewall management)
  apt: name=ferm state=installed

- name: Configure ferm init script coniguration file
  copy: src=ferm dest=/etc/default/ferm owner=root group=root mode=644
  notify:
    - Restart ferm

- name: Create directory for storing ferm configuration files
  file: dest="/etc/ferm/conf.d/" mode=750 state=directory owner=root group=root

- name: Deploy main ferm configuration file
  copy: src=ferm.conf dest=/etc/ferm/ferm.conf
  notify:
    - Restart ferm

- name: Deploy ferm base rules
  template: src=00-base.conf.j2 dest=/etc/ferm/conf.d/00-base.conf
            owner=root group=root mode=640
  notify:
    - Restart ferm

- name: Enable ferm service
  service: name=ferm enabled=yes state=started