roles/compute-node/tasks/main.yml

---
- name: Verify Manditory Variables
  fail: msg="Variable '{{ item }}' is not defined"
  when: item not in hostvars[inventory_hostname]
  with_items:
    - fabric_ip
  tags:
    - interface_config

- name: Applications
  become: yes
  apt: name={{ item }} state=latest force=yes
  with_items:
    - build-essential
    - git
    - python-pip
    - ifenslave-2.6

- name: Ensure Docker Ansible Support
  become: yes
  pip:
    name=docker-py
    version=0.3.1

- name: Set Default Password
  become: yes
  user:
    name={{ ansible_user }}
    password="$6$TjhJuOgh8xp.v$z/4GwFbn5koVmkD6Ex9wY7bgP7L3uP2ujZkZSs1HNdzQdz9YclbnZH9GvqMC/M1iwC0MceL05.13HoFz/bai0/"
  when: '"{{ ansible_user }}" == "ubuntu"'

- name: Authorize SSH Key
  become: yes
  authorized_key:
    key="{{ pub_ssh_key }}"
    user={{ ansible_user }}
    state=present

- name: Verify Private SSH Key
  become: yes
  stat:
    path=/home/{{ ansible_user }}/.ssh/id_rsa
  register: private_key

- name: Ensure SSH Key
  become: yes
  copy:
    src=files/{{ item }}
    dest=/home/{{ ansible_user }}/.ssh/{{ item }}
    owner={{ ansible_user }}
    group={{ ansible_user }}
    mode=0600
  with_items:
    - id_rsa
    - id_rsa.pub
    - config

- name: Ensure CORD SUDO
  become: yes
  copy:
    src=files/99-cord-sudoers
    dest=/etc/sudoers.d/99-cord-sudoers
    owner=root
    group=root
    mode=0600

- name: Verify Mellanox 40Gb NIC
  shell: /usr/bin/lspci | grep "Ethernet controller" | grep -c ConnectX-3 || true
  register: mlx_nic_present
  changed_when: False

- name: Verify Intel 40Gb NIC
  shell: /usr/bin/lspci | grep "Ethernet controller" | grep -c "XL710 for 40GbE QSFP+" || true
  register: intel_nic_present
  changed_when: False

- name: Verify i40e Driver
  command: modinfo --field=version i40e
  register: i40e_version
  when: intel_nic_present.stdout == "1"
  changed_when: False
  failed_when: False
  tags:
    - interface_config

- name: Verify mlx4 Driver
  command: modinfo --field=version mlx4_core
  register: mlx4_version
  when: mlx_nic_present.stdout == "1"
  changed_when: False
  failed_when: False
  tags:
    - interface_config

- name: Update mlx4 Driver
  include: tasks/mlx4_driver.yml
  when: mlx_nic_present.stdout == "1" and mlx4_version.stdout != '3.1-1.0.4'
  tags:
    - interface_config

- name: Update i40e Driver
  include: tasks/i40e_driver.yml
  when: intel_nic_present.stdout == "1" and i40e_version.stdout != '1.4.25'
  tags:
    - interface_config

- name: Consistent Interface Naming
  become: yes
  script: files/rename_ifaces.sh {{ compute_node.interfaces.fabric }} {{ compute_node.addresses.fabric }} {{ compute_node.interfaces.external }} {{ compute_node.addresses.external }} {{ compute_node.interfaces.management }}
  register: ifaces_changed
  changed_when: ifaces_changed.stdout.find("true") != -1
  tags:
    - interface_config

- name: Load modules at boot
  become: yes
  lineinfile:
    dest: /etc/modules
    line: "{{ item }}"
  with_items:
   - lp
   - loop
   - rtc
   - bonding

- name: Reboot Required
  become: yes
  command: /sbin/reboot
  async: 0
  poll: 0
  ignore_errors: true
  when: ifaces_changed.stdout.find("true") != -1
  tags:
    - interface_config
    - reboot

- name: Wait For Restart
  local_action: wait_for port=22 host={{ inventory_hostname }} search_regex=OpenSSH delay=30 timeout=600 connect_timeout=15
  when: ifaces_changed.stdout.find("true") != -1
  tags:
    - interface_config
    - reboot