abe513cc90
This patch merges all the tox linters testenv into one. It also installs the required Ansible collections with ansible-galaxy before executing ansible-lint. Morever, the 'end-of-file-fixer' pre-commit hook is working again and this patch is fixing all the related issues. Signed-off-by: Gael Chamoulaud (Strider) <gchamoul@redhat.com> Change-Id: Ib823c6c65b4853e951cb001a6eed354ba2127965
1.4 KiB
compute_tsx
About The Role
An Ansible role to verify that the compute nodes have the appropriate TSX flags before proceeding with an upgrade.
RHEL-8.3 kernel disabled the Intel TSX
(Transactional Synchronization Extensions) feature by default as a
preemptive security measure, but it breaks live migration from
RHEL-7.9 (or even RHEL-8.1 or
RHEL-8.2) to RHEL-8.3.
Operators are expected to explicitly define the TSX flag in their KernelArgs for the compute role to prevent live-migration issues during the upgrade process.
This role is intended to be called by tripleo via the kernel deployment templates.
It's also possible to call the role as a standalone.
This also impacts upstream CentOS systems
Requirements
This role needs to be run on an Undercloud with a
deployed Overcloud.
Dependencies
No dependencies.
Example Playbook
Standard playbook:
- hosts: nova_libvirt
roles:
- { role: compute_tsx}Reporting playbook with no failure:
- hosts: nova_libvirt
vars:
- compute_tsx_warning: true
roles:
- { role: compute_tsx }License
Apache
Author Information
Red Hat TripleO DFG:Compute Squad:Deployment