Fix uniontech os installation failure (#9862)

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

roles/kubernetes/preinstall/defaults/main.yml

@@ -107,3 +107,32 @@ ntp_force_sync_immediately: false
 
 # Set the timezone for your server.  eg: "Etc/UTC","Etc/GMT-8". If not set, the timezone will not change.
 ntp_timezone: ""
+
+# Currently known os distributions
+supported_os_distributions:
+  - 'RedHat'
+  - 'CentOS'
+  - 'Fedora'
+  - 'Ubuntu'
+  - 'Debian'
+  - 'Flatcar'
+  - 'Flatcar Container Linux by Kinvolk'
+  - 'Suse'
+  - 'openSUSE Leap'
+  - 'openSUSE Tumbleweed'
+  - 'ClearLinux'
+  - 'OracleLinux'
+  - 'AlmaLinux'
+  - 'Rocky'
+  - 'Amazon'
+  - 'Kylin Linux Advanced Server'
+  - 'UnionTech'
+  - 'UniontechOS'
+  - 'openEuler'
+
+# Extending some distributions into the redhat os family
+redhat_os_family_extensions:
+  - "Kylin Linux Advanced Server"
+  - "openEuler"
+  - "UnionTech"
+  - "UniontechOS"