# 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: Set up 1G hugepages
  become: true
  block:
    - name: Configure grub
      lineinfile:
        dest: "{{ grub_default_config }}"
        line: 'GRUB_CMDLINE_LINUX="default_hugepagesz={{ hugepages.size }} hugepagesz={{ hugepages.size }} hugepages={{ hugepages.number }}"'
        regexp: '^GRUB_CMDLINE_LINUX="'
    - name: Update grub configuration
      command: update-grub2
    - name: Reboot host
      reboot:
        reboot_timeout: 600
  when: hugepages.size == "1G"

- name: Set up 2M hugepages
  become: true
  sysctl:
    name: vm.nr_hugepages
    value: "{{ hugepages.number }}"
    sysctl_set: true
    reload: true
  when: hugepages.size == "2M"
...