algo/roles/common/tasks/main.yml

---

- name: Gather Facts
  setup:

- name: Install software updates
  apt: update_cache=yes upgrade=dist

- name: Check if reboot is required
  shell: >
    if [[ $(readlink -f /vmlinuz) != /boot/vmlinuz-$(uname -r) ]]; then echo "required"; else echo "no"; fi
  args:
    executable: /bin/bash
  register: reboot_required

- name: Reboot
  shell: sleep 2 && shutdown -r now "Ansible updates triggered"
  async: 1
  poll: 0
  when: reboot_required is defined and reboot_required.stdout == 'required'
  ignore_errors: true

- name: Wait for shutdown
  local_action: wait_for host={{ inventory_hostname }} port=22 state=stopped timeout=120
  when: reboot_required is defined and reboot_required.stdout == 'required'
  become: false

- name: Wait until SSH becomes ready...
  local_action: wait_for host={{ inventory_hostname }} port=22 state=started timeout=120
  when: reboot_required is defined and reboot_required.stdout == 'required'
  become: false

- name: SSH config
  template: src=sshd_config.j2 dest=/etc/ssh/sshd_config owner=root group=root mode=0644
  notify:
    - restart ssh    

- name: Disable MOTD on login and SSHD
  replace: dest="{{ item.file }}" regexp="{{ item.regexp }}" replace="{{ item.line }}"
  with_items:
    - { regexp: '^session.*optional.*pam_motd.so.*', line: '# MOTD DISABLED', file: '/etc/pam.d/login' }
    - { regexp: '^session.*optional.*pam_motd.so.*', line: '# MOTD DISABLED', file: '/etc/pam.d/sshd' }

- name: Install tools
  apt: name="{{ item }}" state=latest
  with_items:
    - git
    - screen
    - apparmor-utils
    - uuid-runtime
    - coreutils
    - rsyslog
    - sendmail
    - unattended-upgrades
    - iptables-persistent

- name: Configure unattended-upgrades
  template: src=50unattended-upgrades.j2 dest=/etc/apt/apt.conf.d/50unattended-upgrades owner=root group=root mode=0644

- name: Periodic upgrades configured
  template: src=10periodic.j2 dest=/etc/apt/apt.conf.d/10periodic owner=root group=root mode=0644

- name: Loopback for services configured
  template: src=10-loopback-services.cfg.j2 dest=/etc/network/interfaces.d/10-loopback-services.cfg
  notify:
    - restart loopback

- name: Loopback included into the network config
  lineinfile: dest=/etc/network/interfaces line='source /etc/network/interfaces.d/10-loopback-services.cfg' state=present
  notify:
    - restart loopback
    
- meta: flush_handlers