Support ansible-test integration for arm64

tests/integration/targets/setup_docker/tasks/Debian.yml

@@ -17,9 +17,22 @@
 - name: Add gpg key
   shell: curl -fsSL https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg >key && apt-key add key
 
+- name: Debug architecture
+  debug:
+    msg: '{{ ansible_architecture }}'
+
+- name: Set default arch amd64 for Docker repo
+  set_fact:
+    docker_arch: amd64
+
+- name: Set arch arm64 for Docker repo when on aarch64
+  set_fact:
+    docker_arch: arm64
+  when: ansible_architecture == 'aarch64'
+
 - name: Add Docker repo
   apt_repository:
-    repo: deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
+    repo: deb [arch={{ docker_arch }}] https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
     state: present
 
 - block: