---
- name: only allow pubkey auth for root
  lineinfile:
     dest: /etc/ssh/sshd_config
     regexp: "^PermitRootLogin"
     line: "PermitRootLogin without-password"
  notify: restart ssh

- name: limit allowed users (1/2)
  lineinfile:
     dest: /etc/ssh/sshd_config
     regexp: "^AllowUsers"
     line: "AllowUsers {{ ' '.join([ 'root' ] | union(sshd_allowusers_group | default([])) | union(sshd_allowusers_host | default([]))) }}"
  when: "{{ sshd_allowusers_set | default(true) }}"
  notify: restart ssh

- name: limit allowed users (2/2)
  lineinfile:
     dest: /etc/ssh/sshd_config
     regexp: "^AllowUsers"
     state: absent
  when: "not {{ sshd_allowusers_set | default(true) }}"
  notify: restart ssh

- name: Set authorized keys for root user
  authorized_key:
    user: root
    key: "{{ lookup('pipe','cat ssh/noc/*.pub') }}"
    exclusive: yes

- name: disable apt suggests and recommends
  copy: src=02no-recommends dest=/etc/apt/apt.conf.d/ mode=0640

- name: install basic packages
  apt: name={{ item }} state=present
  with_items:
    - less
    - psmisc
    - sudo
    - htop
    - dstat
    - mtr-tiny
    - tcpdump
    - debian-goodies
    - dbus
    - libpam-systemd
    - lsof
    - haveged
    - ntp
    - screen
    - aptitude
    - unp
    - ca-certificates
    - file
    - zsh

- name: install zshrc
  copy: src={{ item.src }} dest={{ item.dest }} mode=0640
  with_items:
    - { "src": "zshrc", "dest": "/etc/zsh/zshrc" }
    - { "src": "zshrc.skel", "dest": "/etc/skel/.zshrc" }

- name: set root default shell to zsh
  user: name=root shell=/bin/zsh

- name: set default shell for adduser
  lineinfile: dest=/etc/adduser.conf regexp={{ item.regexp }} line={{ item.line }}
  with_items:
    - { regexp: "^DSHELL", line: "DSHELL=/bin/zsh" }