Made docker role compatible with other architectures and ubuntu

galaxy.yml

@@ -2,7 +2,7 @@
 
 namespace: uumas
 name: docker
-version: 0.2.0
+version: 0.3.0
 readme: README.md
 repository: https://git.uumas.fi/uumas/ansible-docker
 license_file: LICENSE

roles/docker/tasks/main.yml

@@ -10,13 +10,22 @@
       - lsb-release
     update_cache: true
 
+- name: Set dpkg arch (amd64)
+  set_fact:
+    dpkg_arch: amd64
+  when: ansible_architecture == 'x86_64'
+- name: Set dpkg arch (arm64)
+  set_fact:
+    dpkg_arch: arm64
+  when: ansible_architecture == 'aarch64'
+
 - name: Add docker repo signing key
   apt_key:
     id: '9DC858229FC7DD38854AE2D88D81803C0EBFCD88'
     url: 'https://download.docker.com/linux/debian/gpg'
 - name: Add docker repo
   apt_repository:
-    repo: "deb [arch=amd64] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
+    repo: "deb [arch={{ dpkg_arch }}] https://download.docker.com/linux/{{ ansible_distribution|lower }} {{ ansible_distribution_release }} stable"
     filename: 'docker'
     mode: '644'