roles/performance_nodes_post/tasks/nova.yaml

   1 ---
   2
   3 # Copyright 2019 Nokia
   4
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 - name: Set vcpu_pin_set
  18   ini_file: dest=/etc/nova/nova.conf section=DEFAULT option=vcpu_pin_set value={{ ansible_local.ncir_cpu_allocation['vm']['list'] }} backup=no
  19   register: nova1_result
  20
  21 - name: Get performance profile configuration
  22   set_fact:
  23     perf_profile: "{{ performance_profiles[hosts[hostname]['performance_profiles'][0]] if 'performance_profiles' in hosts[hostname] else {} }}"
  24
  25 - debug:
  26     msg:
  27       - "Hugepagesz: {{perf_profile['hugepagesz']}}"
  28
  29 - name: Construct reserved_huge_pages line for 1G case
  30   set_fact:
  31       numa0line: "reserved_huge_pages=node:0,size:1GB,count:4"
  32       numa1line: "reserved_huge_pages=node:1,size:1GB,count:4"
  33   when:
  34     - perf_profile['hugepagesz'] == "1G"
  35
  36 - name: Construct reserved_huge_pages line for 2M case
  37   set_fact:
  38       numa0line: "reserved_huge_pages=node:0,size:2048,count:2048"
  39       numa1line: "reserved_huge_pages=node:1,size:2048,count:2048"
  40   when:
  41     - perf_profile['hugepagesz'] == "2M"
  42
  43 - debug:
  44     msg:
  45       - "CPUs: {{ansible_processor_count}}"
  46       - "NUMA0 conf: {{numa0line}}"
  47       - "NUMA1 conf: {{numa1line}}"
  48
  49 - name: Set huge page reservation for NUMA 0
  50   lineinfile:
  51     path: /etc/nova/nova.conf
  52     insertafter: 'DEFAULT'
  53     line: "{{numa0line}}"
  54   register: nova2_result
  55
  56 - name: Set huge page reservation for NUMA 1
  57   lineinfile:
  58     path: /etc/nova/nova.conf
  59     insertafter: '{{numa0line}}'
  60     line: "{{numa1line}}"
  61   when:
  62     - ansible_processor_count | int == 2
  63   register: nova3_result
  64
  65 - name: Restart nova compute
  66   systemd:
  67     name: nova-compute
  68     state: "restarted"
  69   when:
  70     - nova1_result.changed or nova2_result.changed or nova3_result.changed
  71     - "'compute' in hosts[ansible_hostname]['service_profiles']"