Restart Kibana only when needed

roles/kibana/defaults/main.yml

@@ -18,6 +18,9 @@ kibana_cert_will_expire_soon: false
 kibana_sniff_on_start: false
 kibana_sniff_on_connection_fault: false
 
+kibana_freshstart:
+  changed: false
+
 # "global" variables for all roles
 elasticstack_release: 8
 elasticstack_full_stack: true

roles/kibana/handlers/main.yml

@@ -4,3 +4,5 @@
   ansible.builtin.service:
     name: kibana
     state: restarted
+  when:
+    - not kibana_freshstart.changed | bool

roles/kibana/tasks/main.yml

@@ -82,6 +82,7 @@
     state: started
     enabled: yes
   when: kibana_enable | bool
+  register: kibana_freshstart
 
 # the following is useful when running tests or extra tasks that need to
 # have Kibana running. Escape it on Rocky8, because it gets time out with Elastic 8