tidy up

README.md

@@ -64,9 +64,21 @@ Set these to use custom certificates that are not self signed. Ensure you set es
 
 Example Playbook
 ----------------
+
+Normal playbook
 ```yaml
 ---
 - hosts: elastic
   roles:
       - pictowolf.elasticsearch
 ```
+
+Upgrade playbook
+```yaml
+---
+- hosts: elastic
+  serial: 1
+  roles:
+      - pictowolf.elasticsearch
+```
+

tasks/security.yml

@@ -78,17 +78,15 @@
         - ""
       creates: /etc/elasticsearch/certs/elastic-certs.p12
     register: certificate_generated
-    when: 
-      - inventory_hostname == groups['master'][0]
+    when: inventory_hostname == groups['master'][0]
 
   - name: Change certificate permissions
     ansible.builtin.file:
       path: /etc/elasticsearch/certs/elastic-certs.p12
       owner: root
       group: "{{ es_group }}"
       mode: '0666'
-    when: 
-      - inventory_hostname == groups['master'][0]
+    when: inventory_hostname == groups['master'][0]
 
   - name: Move certificate to Ansible server
     ansible.builtin.fetch:
@@ -110,5 +108,4 @@
     - inventory_hostname != groups['master'][0]
     - groups['master'] | length > 1
 
-  when: 
-    - es_generate_certs
+  when: es_generate_certs

tasks/upgrade.yml

@@ -25,7 +25,6 @@
     list: "elasticsearch-{{ es_major_version }}.{{ es_minor_version }}.x86_64"
   register: installed_es_version
 
-
 - name: Perform upgrade process
   block:
     - name: Disable shard allocation