Add Debian/source aarch64 CI job

AArch64 is getting popular and not all changes working on x86-64 work
properly on aarch64 architecture. Let check them.

Job is running in separate pipeline due to low number of aarch64 nodes.

Authored-By: Xinliang Liu <xinliang.liu@linaro.org>
Co-Authored-By: Jeffrey Zhang <zhang.lei.fly@gmail.com>
Co-Authored-By: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>

Implements: blueprint aarch64-3rd-party-ci-kolla

Depends-On: https://review.opendev.org/#/c/698606

Change-Id: I7e7802dfa4f4d9c61d01dba4b77c01cfb24301c0

.zuul.d/base.yaml

@@ -43,6 +43,12 @@
       - name: primary
         label: debian-buster
 
+- nodeset:
+    name: kolla-debian-buster-aarch64
+    nodes:
+      - name: primary
+        label: debian-buster-arm64
+
 - job:
     name: kolla-base
     parent: base

.zuul.d/debian.yaml

@@ -5,6 +5,9 @@
         - kolla-build-debian-source
         - kolla-build-debian-binary
         - kolla-ansible-debian-source
+    check-arm64:
+      jobs:
+        - kolla-build-debian-source-aarch64
     periodic:
       jobs:
         - kolla-publish-debian-source
@@ -23,6 +26,16 @@
       base_distro: debian
       install_type: source
 
+- job:
+    name: kolla-build-debian-source-aarch64
+    parent: kolla-base
+    nodeset: kolla-debian-buster-aarch64
+    voting: false
+    vars:
+      action: build
+      base_distro: debian
+      install_type: source
+
 - job:
     name: kolla-build-debian-binary
     parent: kolla-base

tests/templates/template_overrides.j2

@@ -12,7 +12,7 @@ RUN echo registry={{ nodepool_npmjs_proxy }} > /etc/npmrc \
     && ln -s /etc/npmrc /usr/etc/npmrc
 
 {% raw %}
-{% if base_distro == 'ubuntu' %}
+{% if base_distro in ['debian', 'ubuntu'] %}
 {% endraw %}
 
 # NOTE(hrw): Debian 'buster' and Ubuntu 18.04 refuse to use unsigned repos