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Add NovaLibvirtMaxQueues role parameter to set [libvirt]/max_queues

Add NovaLibvirtMaxQueues role parameter to set [libvirt]/max_queues in
nova.conf of the compute. Default 0 corresponds to not set meaning the
legacy limits based on the reported kernel major version will be used.

Conflicts:
  deployment/nova/nova-compute-container-puppet.yaml

Depends-On: https://review.opendev.org/c/openstack/puppet-nova/+/772805
Change-Id: I353e8ca2676bbdceb056f8b2b084bc5102f52c1f
(cherry picked from commit 67a5a78897)
changes/04/773404/2
Martin Schuppert 8 months ago
parent
commit
ace2eb097e
  1. 24
      deployment/nova/nova-compute-container-puppet.yaml
  2. 6
      releasenotes/notes/nova_libvirt_max_queues-8024fc63105bd25d.yaml

24
deployment/nova/nova-compute-container-puppet.yaml

@ -527,6 +527,17 @@ parameters:
ownership and selinux context.
default:
- 'triliovault-mounts'
NovaLibvirtMaxQueues:
type: number
description: >
Add parameter to configure the libvirt max_queues. The maximum number
of virtio queue pairs that can be enabled when creating a multiqueue guest.
The number of virtio queues allocated will be the lesser of the CPUs
requested by the guest and the max value defined.
Default 0 corresponds to not set
default: 0
tags:
- role_specific
# DEPRECATED: the following options are deprecated and are currently maintained
# for backwards compatibility. They will be removed in future release.
@ -724,6 +735,8 @@ resources:
NovaDisableImageDownloadToRbd: {get_param: NovaDisableImageDownloadToRbd}
NovaLiveMigrationPermitPostCopy: {get_param: NovaLiveMigrationPermitPostCopy}
NovaLiveMigrationPermitAutoConverge: {get_param: NovaLiveMigrationPermitAutoConverge}
NovaLibvirtMaxQueues: {get_param: NovaLibvirtMaxQueues}
conditions:
enable_instance_ha: {equals: [{get_param: EnableInstanceHA}, true]}
@ -779,6 +792,12 @@ conditions:
- equals: [{get_param: [RoleParameters, NovaLiveMigrationPermitAutoConverge]}, '']
- equals: [{get_param: NovaLiveMigrationPermitAutoConverge}, '']
nova_libvirt_max_queues_set:
not:
or:
- equals: [{get_param: NovaLibvirtMaxQueues}, 0]
- equals: [{get_param: [RoleParameters, NovaLibvirtMaxQueues]}, 0]
outputs:
role_data:
description: Role data for the Nova Compute service.
@ -896,6 +915,11 @@ outputs:
- libvirt_file_backed_memory_enabled
- '1.0'
- {get_attr: [RoleParametersValue, value, 'nova::ram_allocation_ratio']}
-
if:
- nova_libvirt_max_queues_set
- nova::compute::libvirt::max_queues: {get_attr: [RoleParametersValue, value, nova_libvirt_max_queues]}
- {}
service_config_settings:
rsyslog:
tripleo_logging_sources_nova_compute:

6
releasenotes/notes/nova_libvirt_max_queues-8024fc63105bd25d.yaml

@ -0,0 +1,6 @@
---
features:
- |
Add NovaLibvirtMaxQueues role parameter to set [libvirt]/max_queues in
nova.conf of the compute. Default 0 corresponds to not set meaning the
legacy limits based on the reported kernel major version will be used.
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