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[devscripts] Preserve host-passthrough CPU in metal3 devscripts #3896

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[devscripts] Preserve host-passthrough CPU in metal3 devscripts #3896

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3 changes: 3 additions & 0 deletions roles/devscripts/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,9 @@ networks.
* `cifmw_devscripts_cinder_volume_pvs` (list) a list of physical disks to be
used for creating cinder-volumes volume-group. By default, the list contains
`/dev/vda`.
* `cifmw_devscripts_cpu_passthrough` (bool) Enable host-passthrough cpu model
to virtual machine instead of using QEMU on nested environment. Defaults
to `false`.

### Secrets management

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1 change: 1 addition & 0 deletions roles/devscripts/defaults/main.yml
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Expand Up @@ -74,3 +74,4 @@ cifmw_devscripts_config_overrides: {}
cifmw_devscripts_installer_timeout: 7200 # 2 hours
cifmw_devscripts_etcd_slow_profile: true
cifmw_devscripts_disable_console: false
cifmw_devscripts_cpu_passthrough: false
9 changes: 9 additions & 0 deletions roles/devscripts/tasks/135_patch_src.yml
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Expand Up @@ -50,3 +50,12 @@
owner: "{{ cifmw_devscripts_user }}"
group: "{{ cifmw_devscripts_user }}"
mode: "0644"

- name: Force KVM domain type in dev-scripts configure to preserve host-passthrough CPU
when:
- cifmw_devscripts_cpu_passthrough | bool
ansible.builtin.lineinfile:
path: "{{ cifmw_devscripts_repo_dir }}/02_configure_host.sh"
insertbefore: '.*-b -vvv.*setup-playbook.yml'
firstmatch: true
line: ' -e "libvirt_domain_type=kvm" \'
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