Refactor: var kube_override_hostname only reserve in kubespray-defaults

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

inventory/sample/group_vars/k8s_cluster/k8s-cluster.yml

@@ -140,11 +140,7 @@ kube_proxy_nodeport_addresses: >-
   {%- endif -%}
 
 # If non-empty, will use this string as identification instead of the actual hostname
-# kube_override_hostname: >-
-#   {%- if cloud_provider is defined -%}
-#   {%- else -%}
-#   {{ inventory_hostname }}
-#   {%- endif -%}
+# kube_override_hostname: {{ inventory_hostname }}
 
 ## Encrypting Secret Data at Rest
 kube_encrypt_secret_data: false

roles/kubernetes/control-plane/defaults/main/main.yml

@@ -184,13 +184,6 @@ kube_encryption_algorithm: "secretbox"
 # Which kubernetes resources to encrypt
 kube_encryption_resources: [secrets]
 
-# If non-empty, will use this string as identification instead of the actual hostname
-kube_override_hostname: >-
-  {%- if cloud_provider is defined -%}
-  {%- else -%}
-  {{ inventory_hostname }}
-  {%- endif -%}
-
 secrets_encryption_query: "resources[*].providers[0].{{ kube_encryption_algorithm }}.keys[0].secret"
 
 ## Support tls min version, Possible values: VersionTLS10, VersionTLS11, VersionTLS12, VersionTLS13.

roles/kubernetes/kubeadm/defaults/main.yml

@@ -6,10 +6,3 @@ kubeadm_join_timeout: 120s
 
 # Enable kubeadm file discovery if anonymous access has been removed
 kubeadm_use_file_discovery: "{{ remove_anonymous_access }}"
-
-# If non-empty, will use this string as identification instead of the actual hostname
-kube_override_hostname: >-
-  {%- if cloud_provider is defined -%}
-  {%- else -%}
-  {{ inventory_hostname }}
-  {%- endif -%}

roles/kubernetes/node/defaults/main.yml

@@ -134,13 +134,6 @@ kubelet_logfiles_max_size: 10Mi
 ## Support custom flags to be passed to kubelet
 kubelet_custom_flags: []
 
-# If non-empty, will use this string as identification instead of the actual hostname
-kube_override_hostname: >-
-  {%- if cloud_provider is defined -%}
-  {%- else -%}
-  {{ inventory_hostname }}
-  {%- endif -%}
-
 # The read-only port for the Kubelet to serve on with no authentication/authorization.
 kube_read_only_port: 0
 

roles/kubespray-defaults/defaults/main/main.yml

@@ -253,11 +253,7 @@ kube_apiserver_bind_address: 0.0.0.0
 kube_apiserver_port: 6443
 
 # If non-empty, will use this string as identification instead of the actual hostname
-kube_override_hostname: >-
-  {%- if cloud_provider is defined -%}
-  {%- else -%}
-  {{ inventory_hostname }}
-  {%- endif -%}
+kube_override_hostname: "{{ inventory_hostname }}"
 
 # define kubelet config dir for dynamic kubelet
 # kubelet_config_dir: