roles/compute-node/tasks/mlnx_driver.yml

---
- name:  Mellanox Constants
  set_fact:
    MLNX_PACK_VER: "mlnx-en-4.0-2.0.0.1-ubuntu14.04-x86_64"
    MLNX_URL_PATH: "MLNX_EN-4.0-2.0.0.1"
    MD5_MLNX: "b1581e2445c7832ec096b367e78303aa"

- name: Install Prerequesites
  become: yes
  apt: name={{ item }} state=installed
  with_items:
    - debhelper
    - autotools-dev
    - dkms
    - zlib1g-dev
    - make
    - python-libxml2
    - m4
    - automake
    - autoconf
    - libltdl-dev
    - chrpath
    - swig
    - quilt
    - graphviz
    - dpatch
    - gcc

- name: Check Mellanox install package
  become: yes
  stat:
    path: "{{ playbook_dir }}/roles/compute-node/files/{{MLNX_PACK_VER}}.tgz"
  register: mlnx_package_exists

- name: Download mlnx driver package
  become: yes
  local_action: >
    get_url url="http://www.mellanox.com/downloads/ofed/{{MLNX_URL_PATH}}/{{MLNX_PACK_VER}}.tgz"
    dest="{{ playbook_dir }}/roles/compute-node/files"
    checksum="md5:{{MD5_MLNX}}"
  when: mlnx_package_exists.stat.exists == False

- name: Unarchive mlnx driver package
  unarchive:
    copy=yes
    src="{{ playbook_dir }}/roles/compute-node/files/{{MLNX_PACK_VER}}.tgz"
    dest=/tmp

- name: Install mlnx driver
  become: yes
  command: /tmp/{{MLNX_PACK_VER}}/install --force
  changed_when: true

- name: Load mlnx Driver
  become: yes
  command: /etc/init.d/mlnx-en.d restart
  changed_when: true

- name: Remove Build Directory
  become: yes
  file:
    path=/tmp/{{MLNX_PACK_VER}}
    state=absent

- name: Remove Build files
  become: yes
  file:
    path=/tmp/{{MLNX_PACK_VER}}.tgz
    state=absent

- name: Remove Mellanox Service files
  become: yes
  file:
    path=/etc/init/mlnx-en.conf
    state=absent

- name: Remove Mellanox Init Script
  become: yes
  file:
    path=/etc/init.d/mlnx-en.d
    state=absent