# Copyright (c) 2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---
- name: check if hugepages are set by this role
  command: "grep -o '{{ hugepage_param_regex }}' /etc/default/grub"
  register: is_mine_huge
  ignore_errors: True

- name: check if hugepages are set by someone else
  command: "grep -o 'default_hugepagesz=' /etc/default/grub"
  register: is_huge
  ignore_errors: True

- fail:
    msg: "Hugepages already set by someone else"
  when: is_mine_huge.stdout == "" and is_huge.stdout != ""

- name: use 16 for auto num_hugepages and 1G size
  set_fact:
    num_hugepages: 16
  when: num_hugepages|default("auto") == "auto"

- name: set hugepages in grub
  lineinfile:
    dest: /etc/default/grub
    regexp: '{{ hugepage_param_regex }}'
    line: '{{ hugepage_param }}'
    state: present

- name: Update grub
  command: "{{ update_grub[ansible_os_family] }}"

- name: create hugetables mount
  file:
    path: "{{ hugetable_mount }}"
    state: directory


- name: mount hugetlbfs
  mount:
    name: "{{ hugetable_mount }}"
    src: nodev
    fstype: hugetlbfs
    state: present

- service:
    name: procps
    enabled: yes