Support extended settings for the Debian os family (#9943)

Signed-off-by: bo.jiang <bo.jiang@daocloud.io>

roles/kubernetes/preinstall/defaults/main.yml

@@ -136,3 +136,7 @@ redhat_os_family_extensions:
   - "openEuler"
   - "UnionTech"
   - "UniontechOS"
+
+# Extending some distributions into the debian os family
+debian_os_family_extensions:
+  - "UnionTech OS Server 20"

roles/kubernetes/preinstall/tasks/0020-set_facts.yml

@@ -6,7 +6,7 @@
   tags:
     - facts
 
-- name: Set os_family fact for Kylin Linux Advanced Server and openEuler
+- name: Set os_family fact for other redhat-based operating systems
   set_fact:
     ansible_os_family: "RedHat"
     ansible_distribution_major_version: "8"
@@ -14,6 +14,13 @@
   tags:
     - facts
 
+- name: Set os_family fact for other debian-based operating systems
+  set_fact:
+    ansible_os_family: "Debian"
+  when: ansible_distribution in debian_os_family_extensions
+  tags:
+    - facts
+
 - name: check if booted with ostree
   stat:
     path: /run/ostree-booted

roles/kubernetes/preinstall/tasks/main.yml

@@ -5,17 +5,17 @@
     - not dns_late
     - disable_swap
 
-- import_tasks: 0020-verify-settings.yml
+- import_tasks: 0020-set_facts.yml
+  tags:
+    - resolvconf
+    - facts
+
+- import_tasks: 0040-verify-settings.yml
   when:
     - not dns_late
   tags:
     - asserts
 
-- import_tasks: 0040-set_facts.yml
-  tags:
-    - resolvconf
-    - facts
-
 - import_tasks: 0050-create_directories.yml
   when:
     - not dns_late