Verify role for Ubuntu 20.04

ansible/molecule/default/molecule.yml

@@ -4,6 +4,20 @@ dependency:
 driver:
   name: docker
 platforms:
+  - name: ubuntu_focal
+    image: jrei/systemd-ubuntu:20.04
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    tmpfs:
+      - /tmp
+      - /run
+      - /run/lock
+    override_command: False
+  # ubuntu 18.04 bionic works except that
+  #   the default redis configuration expects IPv6 which is not enabled in docker by default
+  #   the default Python environment is configured for ASCII instead of UTF-8
+  # ubuntu 16.04 xenial only has Python 3.5 which is EOL and breaks multiple dependencies
   - name: debian_buster
     image: jrei/systemd-debian:10
     privileged: true

ansible/tasks/main.yml

@@ -1,8 +1,8 @@
 ---
 - name: verify operating system
   fail:
-    msg: Sorry, only Debian supported at the moment.
-  when: ansible_distribution != 'Debian'
+    msg: Sorry, only Debian and Ubuntu supported at the moment.
+  when: not(ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu')
 
 - name: install base dependencies
   apt: