feat: add openSUSE MicroOS support (#13449)

Signed-off-by: Kay Yan <kay.yan@daocloud.io>

roles/kubernetes/preinstall/tasks/0040-verify-settings.yml

@@ -24,6 +24,14 @@
     msg: "{{ ansible_facts['distribution'] }} is not a known OS"
   when: not ignore_assert_errors
 
+- name: Stop if the container manager is unsupported on openSUSE MicroOS
+  assert:
+    that: container_manager == "containerd"
+    msg: "openSUSE MicroOS only supports containerd"
+  when:
+    - not ignore_assert_errors
+    - ansible_facts['distribution'] == "openSUSE MicroOS"
+
 - name: Stop if memory is too small for control plane nodes
   assert:
     that: ansible_facts['memtotal_mb'] >= minimal_master_memory_mb