From 6059928b5a18a9758d59034f63a680bdb9ea77f1 Mon Sep 17 00:00:00 2001
From: Bartosz Bezak <bartosz@stackhpc.com>
Date: Thu, 17 Jul 2025 13:09:11 +0200
Subject: [PATCH] kolla_base_arch: derive from local uname

Some playbooks skip fact gathering. Kayobe's default references
ansible_facts.architecture, which may be undefined. Derive from
`uname -m` so templating works without gathered facts.

Change-Id: Ic6795cdcdd49c6629d58a86edcc523bea64c2157
---
 etc/kayobe/kolla.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/etc/kayobe/kolla.yml b/etc/kayobe/kolla.yml
index 2c5235533a..5d0ed50e6f 100644
--- a/etc/kayobe/kolla.yml
+++ b/etc/kayobe/kolla.yml
@@ -62,6 +62,11 @@ kolla_ansible_source_version: "{{ stackhpc_kolla_ansible_source_version }}"
 ###############################################################################
 # Kolla configuration.
 
+# Kolla base container image architecture. Options are "x86_64", "aarch64".
+# Default is "{{ ansible_facts.architecture }}"
+# NOTE(bbezak): evaluating this var locally for non facts gathering playbooks
+kolla_base_arch: "{{ 'aarch64' if lookup('pipe','uname -m') in ['aarch64','arm64'] else 'x86_64' }}"
+
 # Kolla base container image distribution. Options are "centos", "debian",
 # "rocky", "ubuntu". Default is {{ os_distribution }}.
 #kolla_base_distro: