---

# Gather facts specific to the Raspberry Pi platform
- include: raspi-facts.yml
- include: linux-facts.yml

# Basic hostname setup
- name: Get MAC address
  debug: 
    msg: "{{ hostvars[inventory_hostname].ansible_eth0.macaddress }}"
  tags:
    - raspi
    - sw

- name: store MAC address
  set_fact:
    my_macaddr: "{{ hostvars[inventory_hostname].ansible_eth0.macaddress }}"
  tags:
    - raspi
    - sw

- name: store system configuration
  set_fact:
    myconfig: "{{ macaddrs[my_macaddr] }}"
  tags:
    - raspi
    - sw

- name: set hostname
  shell: "raspi-config nonint do_hostname {{ myconfig.hostname }}"
  when: raspi_hostname != myconfig.hostname

- name: update /etc/hosts with new hostname
  lineinfile:
    dest=/etc/hosts
    regexp="^{{ ansible_default_ipv4.address }}"
    line="{{ ansible_default_ipv4.address }}{{'\t'}}{{ myconfig.hostname }}.{{ myconfig.domain }}{{'\t'}}{{ myconfig.hostname }}"
    state=present

- name: get rid of default 127.0.1.1 binding
  lineinfile:
    dest=/etc/hosts
    regexp="^127.0.1.1"
    state=absent

# Set timezone
- name: set timezone
  command: "timedatectl set-timezone {{ myconfig.timezone }}"
  when: linux_tz != myconfig.timezone

# Set locale
- name: set locale
  command: "raspi-config nonint do_change_locale {{ myconfig.locale }}"
  when: "'locale' in myconfig and linux_locale != myconfig.locale"

# Set X keyboard layout
- name: set X11 keyboard layout
  command: "raspi-config nonint do_configure_keyboard {{ myconfig.xkblayout }}"
  when: "'xkblayout' in myconfig and myconfig.xkblayout != linux_xkblayout"

# Set wifi country
- name: set wifi country
  command: "raspiconfig nonint do_wifi_country {{ myconfig.wifi_country }}"
  when: "'wifi_country' in myconfig and myconfig.wifi_country != raspi_wifi_country"

# Enable sshd
- name: disable ssh login for user pi
  lineinfile:
    dest=/etc/ssh/sshd_config
    line="DenyUsers pi"
    state=present
  tags:
    - raspi

- name: enable SSH via raspi-config
  shell: "raspi-config nonint do_ssh 0"
  when: not raspi_ssh_enabled
  tags:
    - raspi

# Other tasks
- include: software.yml
- include: users.yml
- include: raspi-config.yml
- include: darshan-dev.yml
  when: "'darshan_dev' in myconfig and myconfig.darshan_dev"

# Configure firewall
- name: allow SSH through UFW
  ufw:
    rule: allow
    port: ssh
    proto: tcp
    log: yes
  tags:
    - ufw

- name: allow mDNS through UFW
  ufw:
    rule: allow
    to_ip: 224.0.0.251
    proto: igmp
    log: no
  tags:
    - ufw

- name: drop multicast without logging
  ufw:
    rule: deny
    to_ip: 224.0.0.1
    log: no
  tags:
    - ufw

- name: set default incoming UFW policy to deny
  ufw:
    direction: incoming
    policy: deny
  tags:
    - ufw

- name: set default outgoing UFW policy to allow
  ufw:
    direction: outgoing
    policy: allow
  tags:
    - ufw

- name: enable UFW
  ufw:
    state: enabled
    logging: yes
  tags:
    - ufw