Check if certs already exists and skip the generation

roles/opendistro/opendistro-elasticsearch/tasks/local_actions.yml

@@ -1,4 +1,10 @@
 ---
+- name: Check if certificates already exists
+  stat:
+    path: "{{ local_certs_path }}"
+  register: certificates_folder
+  delegate_to: localhost
+
 - block:
 
   - name: Local action | Create local temporary directory for certificates generation
@@ -69,4 +75,6 @@
   run_once: true
   delegate_to: localhost
   tags:
-  - generate-certs
+    - generate-certs
+  when:
+    - not certificates_folder.stat.exists