---

# Copyright 2019 Nokia

# 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 vcpu_pin_set
  ini_file: dest=/etc/nova/nova.conf section=DEFAULT option=vcpu_pin_set value={{ ansible_local.cloud_cpu_allocation['vm']['list'] }} backup=no
  register: nova1_result

- name: Get performance profile configuration
  set_fact:
    perf_profile: "{{ performance_profiles[hosts[hostname]['performance_profiles'][0]] if 'performance_profiles' in hosts[hostname] else {} }}"

- debug:
    msg:
      - "Hugepagesz: {{perf_profile['hugepagesz']}}"

- name: Construct reserved_huge_pages line for 1G case
  set_fact:
      numa0line: "reserved_huge_pages=node:0,size:1GB,count:4"
      numa1line: "reserved_huge_pages=node:1,size:1GB,count:4"
  when:
    - perf_profile['hugepagesz'] == "1G"

- name: Construct reserved_huge_pages line for 2M case
  set_fact:
      numa0line: "reserved_huge_pages=node:0,size:2048,count:2048"
      numa1line: "reserved_huge_pages=node:1,size:2048,count:2048"
  when:
    - perf_profile['hugepagesz'] == "2M"

- debug:
    msg:
      - "CPUs: {{ansible_processor_count}}"
      - "NUMA0 conf: {{numa0line}}"
      - "NUMA1 conf: {{numa1line}}"

- name: Set huge page reservation for NUMA 0
  lineinfile:
    path: /etc/nova/nova.conf
    insertafter: 'DEFAULT'
    line: "{{numa0line}}"
  register: nova2_result

- name: Set huge page reservation for NUMA 1
  lineinfile:
    path: /etc/nova/nova.conf
    insertafter: '{{numa0line}}'
    line: "{{numa1line}}"
  when:
    - ansible_processor_count | int == 2
  register: nova3_result

- name: Restart nova compute
  systemd:
    name: nova-compute
    state: "restarted"
  when:
    - nova1_result.changed or nova2_result.changed or nova3_result.changed
    - "'compute' in hosts[ansible_hostname]['service_profiles']"