---
# tasks file for ansible-role-cuda
- name: "Gather OS specific variables"
  include_vars: "{{ item }}"
  with_first_found:
    - "{{ ansible_distribution|lower }}-{{ ansible_distribution_version }}.yml"
    - "{{ ansible_distribution|lower }}-{{ ansible_distribution_major_version }}.yml"
    - "{{ ansible_distribution|lower }}.yml"
    - "{{ ansible_os_family|lower }}.yml"

- block:
  - include_tasks: configure_yum.yml
    when: ansible_pkg_mgr == 'yum' or  ansible_pkg_mgr == 'dnf'

  - include_tasks: configure_apt.yml
    when: ansible_pkg_mgr == 'apt'

  - name: Install kernel development files
    package: name=kernel-devel state=present
    register: result

  - name: Synchronize kernel and kernel-devel packages
    package: name=kernel state=latest
    when: (result | changed)

  - name: Install CUDA and related packages (1.5-2GB download, also restarts if cuda_restart_node_on_install is set to True)
    package:
      name: "{{ item }}"
      state: present
    with_items: "{{ cuda_packages }}"
    register: cuda_packages_installation
    notify:
     - ZZ CUDA Restart server
     - ZZ CUDA Wait for server to restart

  - name: Template CUDA paths to user environments
    template:
      src: cuda.sh.j2
      dest: /etc/profile.d/cuda.sh
      mode: 0755
    when: cuda_bash_profile

  - include_tasks: cuda_init.yml
    when: cuda_init == True

  # This is here because if we in the same playbook try to start slurmd without
  # having run the cuda_init.sh script then slurmd doesn't start and the play fails.
  # todo: reload nvidia modules/etc instead of restart
  - name: flush the handlers - so that the node is rebooted after CUDA is installed and that the GPUs are initialized before we start slurm
    meta: flush_handlers

  when: gpu == True

# vim:ft=ansible: