Feat: add kubeadm-client.conf support v1beta4

Remove kubeadm api version condition.
Currently there is not much difference between the files, if there are more changes in the future,
please use different files to distinguish them (you can use the kubeadm_config_api_version variable)

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

roles/kubernetes/kubeadm/tasks/main.yml

@@ -53,10 +53,6 @@
     kubeadm_token: "{{ temp_token.stdout }}"
   when: kubeadm_token is not defined
 
-- name: Set kubeadm api version to v1beta3
-  set_fact:
-    kubeadmConfig_api_version: v1beta3
-
 - name: Get kubeconfig for join discovery process
   command: "{{ kubectl }} -n kube-public get cm cluster-info -o jsonpath='{.data.kubeconfig}'"
   register: kubeconfig_file_discovery
@@ -77,7 +73,7 @@
 
 - name: Create kubeadm client config
   template:
-    src: "kubeadm-client.conf.{{ kubeadmConfig_api_version }}.j2"
+    src: "kubeadm-client.conf.j2"
     dest: "{{ kube_config_dir }}/kubeadm-client.conf"
     backup: true
     mode: "0640"

roles/kubernetes/kubeadm/templates/kubeadm-client.conf.j2

@@ -1,5 +1,5 @@
 ---
-apiVersion: kubeadm.k8s.io/v1beta3
+apiVersion: kubeadm.k8s.io/{{ kubeadm_config_api_version }}
 kind: JoinConfiguration
 discovery:
 {% if kubeadm_use_file_discovery %}