Refactor(defaults): centralize etcd defaults (#13161)

roles/etcd/tasks/gen_certs_script.yml

@@ -24,7 +24,7 @@
   run_once: true
   delegate_to: "{{ groups['etcd'][0] }}"
   when:
-    - gen_certs | default(false)
+    - gen_certs
     - inventory_hostname == groups['etcd'][0]
 
 - name: Gen_certs | copy certs generation script
@@ -43,7 +43,7 @@
     HOSTS: "{{ groups['gen_node_certs_True'] | ansible.builtin.intersect(groups['kube_control_plane']) | join(' ') }}"
   run_once: true
   delegate_to: "{{ groups['etcd'][0] }}"
-  when: gen_certs | default(false)
+  when: gen_certs
   notify: Set etcd_secret_changed
 
 - name: Gen_certs | run cert generation script for all clients
@@ -55,7 +55,7 @@
   when:
     - kube_network_plugin in ["calico", "flannel", "cilium"] or cilium_deploy_additionally
     - kube_network_plugin != "calico" or calico_datastore == "etcd"
-    - gen_certs | default(false)
+    - gen_certs
   notify: Set etcd_secret_changed
 
 - name: Gen_certs | Gather etcd member/admin and kube_control_plane client certs from first etcd node
@@ -78,7 +78,7 @@
   delegate_to: "{{ groups['etcd'][0] }}"
   when:
     - ('etcd' in group_names)
-    - sync_certs | default(false)
+    - sync_certs
     - inventory_hostname != groups['etcd'][0]
   notify: Set etcd_secret_changed
 
@@ -92,7 +92,7 @@
   with_items: "{{ etcd_master_certs.results }}"
   when:
     - ('etcd' in group_names)
-    - sync_certs | default(false)
+    - sync_certs
     - inventory_hostname != groups['etcd'][0]
   loop_control:
     label: "{{ item.item }}"
@@ -134,7 +134,7 @@
   include_tasks: gen_nodes_certs_script.yml
   when:
     - ('kube_control_plane' in group_names) and
-        sync_certs | default(false) and inventory_hostname not in groups['etcd']
+        sync_certs and inventory_hostname not in groups['etcd']
 
 - name: Gen_certs | Generate etcd certs on nodes if needed
   include_tasks: gen_nodes_certs_script.yml
@@ -142,7 +142,7 @@
     - kube_network_plugin in ["calico", "flannel", "cilium"] or cilium_deploy_additionally
     - kube_network_plugin != "calico" or calico_datastore == "etcd"
     - ('k8s_cluster' in group_names) and
-        sync_certs | default(false) and inventory_hostname not in groups['etcd']
+        sync_certs and inventory_hostname not in groups['etcd']
 
 # This is a hack around the fact kubeadm expect the same certs path on all kube_control_plane
 # TODO: fix certs generation to have the same file everywhere