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[libvirt_manager] Allow for multi-numa guest deployment #3686

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[libvirt_manager] Allow for multi-numa guest deployment #3686

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15 changes: 14 additions & 1 deletion roles/libvirt_manager/templates/domain.xml.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,20 @@
<boot dev='hd'/>
<bootmenu enable='{{ vm_data.bootmenu_enable | default('no') }}'/>
</os>
<cpu mode='host-passthrough' check='none'/>
<cpu mode='host-passthrough' check='none'>
{% if vm_data.numa is defined and vm_data.numa|int > 1 %}
<numa>
{% set cores_per_node = (vm_data.cpus|int // vm_data.numa|int) %}
{% set mem_per_node = (vm_data.memory|int // vm_data.numa|int) %}
{% set cpu_ns = namespace(cpu_start=0) %}
{% for i in range(vm_data.numa|int) %}
{% set cpu_end = cpu_ns.cpu_start + cores_per_node - 1 %}
<cell id='{{ i }}' cpus='{{ cpu_ns.cpu_start }}-{{ cpu_end }}' memory='{{ mem_per_node }}' unit='GB'/>
{% set cpu_ns.cpu_start = cpu_end + 1 %}
{% endfor %}
</numa>
{% endif %}
</cpu>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
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