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# 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
# won't work in chroot
#- name: Detect EFI
# stat: path="/sys/firmware/efi"
# register: efi
- 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: 8
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: 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
- include: manual_modify_grub.yml
# only tested on Ubuntu, kernel line is probably different on other distros
when: ansible_distribution == "Ubuntu"
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