4 files changed, 145 insertions, 0 deletions
diff --git a/roles/cuda/tasks/configure_apt.yml b/roles/cuda/tasks/configure_apt.yml
new file mode 100644
index 0000000..53a38a5
--- /dev/null
+++ b/roles/cuda/tasks/configure_apt.yml
@@ -0,0 +1,15 @@
+---
+# tasks file for ansible-role-cuda
+- name: Trust packaging key for Nvidia repositories (apt)
+  apt_key:
+    data: "{{ lookup('file', 'files/nvidia_packaging_key.asc') }}"
+    id: "{{ cuda_packaging_key_id }}"
+    state: present
+
+- name: Configure Nvidia repository (apt)
+  apt_repository:
+    repo: "deb {{ cuda_repo_url }}/{{ cuda_repo_subfolder }}/x86_64 /"
+    filename: nvidia
+    state: present
+
+# vim:ft=ansible:
diff --git a/roles/cuda/tasks/configure_yum.yml b/roles/cuda/tasks/configure_yum.yml
new file mode 100644
index 0000000..e888468
--- /dev/null
+++ b/roles/cuda/tasks/configure_yum.yml
@@ -0,0 +1,28 @@
+---
+# tasks file for ansible-role-cuda
+- name: Upload packaging key for Nvidia repositories
+  copy:
+    src: nvidia_packaging_key.asc
+    dest: "{{ cuda_rpm_key_path }}"
+    mode: 0644
+
+- name: Trust packaging key for Nvidia repositories (rpm)
+  rpm_key:
+    key: "{{ cuda_rpm_key_path }}"
+    state: present
+
+- name: Remove trust for old Nvidia packaging key
+  rpm_key:
+    key: 5C37D3BE
+    state: absent
+
+- name: Configure Nvidia repository (yum)
+  yum_repository:
+    name: nvidia
+    description: Official Nvidia repository
+    baseurl: "{{ cuda_repo_url }}/{{ cuda_repo_subfolder }}/x86_64/"
+    gpgkey: "file://{{ cuda_rpm_key_path }}"
+    gpgcheck: yes
+    enabled: yes
+
+# vim:ft=ansible:
diff --git a/roles/cuda/tasks/cuda_init.yml b/roles/cuda/tasks/cuda_init.yml
new file mode 100644
index 0000000..ff54994
--- /dev/null
+++ b/roles/cuda/tasks/cuda_init.yml
@@ -0,0 +1,48 @@
+---
+- name: template in cuda_init.sh used during boot
+  template:
+    src: cuda_init.sh.j2
+    dest: /usr/local/bin/cuda_init.sh
+    mode: 0755
+  notify:
+    - Initialize the GPUs
+
+- name: lineinfile/make sure cuda_init.sh script is absent from rc.local
+  lineinfile:
+    dest: /etc/rc.local
+    insertafter: "^touch /var/lock/subsys/local"
+    regexp: "^/bin/bash /usr/local/bin/cuda_init.sh$"
+    line: "/bin/bash /usr/local/bin/cuda_init.sh"
+    state: absent
+
+- name: template in cuda_init.service systemd script
+  template:
+    src: cuda_init.service.j2
+    dest: /etc/systemd/system/cuda_init.service
+    mode: 0644
+  notify:
+    - reload systemd unit files
+    - Restart cuda_init service
+  when: ansible_service_mgr == "systemd"
+
+- name: enable the cuda_init systemd service
+  service:
+    name: cuda_init
+    enabled: yes
+  when: ansible_service_mgr == "systemd"
+
+- name: check if cuda_gpu_name0 ( /dev/nvidia0 ) exists
+  stat:
+    path: "{{ cuda_gpu_name0 }}"
+  register: reg_cuda_gpu_name0
+  check_mode: no
+  failed_when: false
+
+- name: Initialize the GPUs  - run cuda_init.sh if there is no /dev/nvidia0 
+  command: /bin/bash /usr/local/bin/cuda_init.sh
+  when:
+    - reg_cuda_gpu_name0.stat.exists is defined
+    - reg_cuda_gpu_name0.stat.exists == False
+    - cuda_init_restart_service
+
+# vim:ft=ansible:
diff --git a/roles/cuda/tasks/main.yml b/roles/cuda/tasks/main.yml
new file mode 100644
index 0000000..f292f67
--- /dev/null
+++ b/roles/cuda/tasks/main.yml
@@ -0,0 +1,54 @@
+---
+# 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: