Fix linting errors

Fixed linting on xpack_security.yml

roles/elastic-stack/ansible-elasticsearch/tasks/xpack_security.yml

@@ -39,7 +39,7 @@
   when:
     - node_certs_generator
 
-- name: Importing custom CA key 
+- name: Importing custom CA key
   copy:
     src: "{{ master_certs_path }}/ca/{{ ca_key_name }}"
     dest: "{{ node_certs_source }}/{{ ca_key_name }}"
@@ -61,7 +61,7 @@
 
 - name: Generating certificates for Elasticsearch security (generating CA)
   shell: >-
-    /usr/share/elasticsearch/bin/elasticsearch-certutil cert ca --pem --in 
+    /usr/share/elasticsearch/bin/elasticsearch-certutil cert ca --pem --in
     {{ node_certs_source }}/instances.yml --out {{ node_certs_source }}/certs.zip
   when:
     - node_certs_generator
@@ -70,37 +70,37 @@
   tags: xpack-security
 
 - name: Generating certificates for Elasticsearch security (using provided CA | Without CA Password)
-  shell: >- 
-    /usr/share/elasticsearch/bin/elasticsearch-certutil cert 
-    --ca-key {{ node_certs_source }}/{{ ca_key_name }} --ca-cert {{ node_certs_source }}/{{ ca_cert_name }} 
+  shell: >-
+    /usr/share/elasticsearch/bin/elasticsearch-certutil cert
+    --ca-key {{ node_certs_source }}/{{ ca_key_name }} --ca-cert {{ node_certs_source }}/{{ ca_cert_name }}
     --pem --in {{ node_certs_source }}/instances.yml --out {{ node_certs_source }}/certs.zip
   when:
     - node_certs_generator
     - not xpack_certs_zip.stat.exists
     - not generate_CA
-    - ca_password == ""
+    - ca_password | length == 0
   tags: xpack-security
 
 - name: Generating certificates for Elasticsearch security (using provided CA | Using CA Password)
-  shell: >- 
-    /usr/share/elasticsearch/bin/elasticsearch-certutil cert 
-    --ca-key {{ node_certs_source }}/{{ ca_key_name }} --ca-cert {{ node_certs_source }}/{{ ca_cert_name }} 
-    --pem --in {{ node_certs_source }}/instances.yml --out {{ node_certs_source }}/certs.zip 
-    --ca-pass {{ca_password}}
+  shell: >-
+    /usr/share/elasticsearch/bin/elasticsearch-certutil cert
+    --ca-key {{ node_certs_source }}/{{ ca_key_name }} --ca-cert {{ node_certs_source }}/{{ ca_cert_name }}
+    --pem --in {{ node_certs_source }}/instances.yml --out {{ node_certs_source }}/certs.zip
+    --ca-pass {{ ca_password }}
   when:
     - node_certs_generator
     - not xpack_certs_zip.stat.exists
     - not generate_CA
-    - ca_password != ""
-  tags: xpack-security 
-  
+    - ca_password | length > 0
+  tags: xpack-security
+
 - name: Verify the Elastic certificates directory
   file:
     path: "{{ master_certs_path }}"
     state: directory
     mode: '0700'
   delegate_to: "127.0.0.1"
-  when: 
+  when:
     - node_certs_generator
 
 - name: Verify the Certificates Authority directory
@@ -109,7 +109,7 @@
     state: directory
     mode: '0700'
   delegate_to: "127.0.0.1"
-  when: 
+  when:
     - node_certs_generator
 
 - name: Copying certificates to Ansible master
@@ -118,7 +118,7 @@
     dest: "{{ master_certs_path }}/"
     flat: yes
     mode: 0700
-  when: 
+  when:
     - node_certs_generator
   tags: xpack-security
 
@@ -126,39 +126,39 @@
   file:
     state: absent
     path: "{{ node_certs_source }}/certs.zip"
-  when: 
+  when:
     - node_certs_generator
-    
+
 - name: Unzip generated certs.zip
   unarchive:
-    src: "{{master_certs_path}}/certs.zip"
-    dest: "{{master_certs_path}}/"
+    src: "{{ master_certs_path }}/certs.zip"
+    dest: "{{ master_certs_path }}/"
   become: true
   delegate_to: "127.0.0.1"
-  when: 
+  when:
     - node_certs_generator
   tags: xpack-security
 
 - name: Copying node's certificate from master
   copy:
-    src: "{{item}}"
-    dest: "{{node_certs_destination}}/"
+    src: "{{ item }}"
+    dest: "{{ node_certs_destination }}/"
   with_items:
-    - "{{master_certs_path}}/{{elasticsearch_node_name}}/{{ elasticsearch_node_name }}.key" 
-    - "{{master_certs_path}}/{{elasticsearch_node_name}}/{{ elasticsearch_node_name }}.crt"
-    - "{{master_certs_path}}/ca/ca.crt"
+    - "{{ master_certs_path }}/{{ elasticsearch_node_name }}/{{ elasticsearch_node_name }}.key"
+    - "{{ master_certs_path }}/{{ elasticsearch_node_name }}/{{ elasticsearch_node_name }}.crt"
+    - "{{ master_certs_path }}/ca/ca.crt"
   when:
     - generate_CA
   tags: xpack-security
 
 - name: Copying node's certificate from master (Custom CA)
   copy:
-    src: "{{item}}"
-    dest: "{{node_certs_destination}}/"
-  with_items: 
-    - "{{master_certs_path}}/{{elasticsearch_node_name}}/{{ elasticsearch_node_name }}.key" 
-    - "{{master_certs_path}}/{{elasticsearch_node_name}}/{{ elasticsearch_node_name }}.crt"
-    - "{{master_certs_path}}/ca/{{ca_cert_name}}"
+    src: "{{ item }}"
+    dest: "{{ node_certs_destination }}/"
+  with_items:
+    - "{{ master_certs_path }}/{{ elasticsearch_node_name }}/{{ elasticsearch_node_name }}.key"
+    - "{{ master_certs_path }}/{{ elasticsearch_node_name }}/{{ elasticsearch_node_name }}.crt"
+    - "{{ master_certs_path }}/ca/{{ ca_cert_name }}"
   when:
     - not generate_CA
   tags: xpack-security
@@ -179,4 +179,3 @@
      echo {{ elasticsearch_xpack_security_password }} | {{ node_certs_source }}/bin/elasticsearch-keystore add -xf bootstrap.password
   when:
     - node_certs_generator
-