use become: yes when root is needed

tasks/xpack/security/elasticsearch-security-file.yml

@@ -3,12 +3,14 @@
 
 #Ensure x-pack conf directory is created
 - name: Ensure x-pack conf directory exists (file)
+  become: yes
   file: path={{ conf_dir }}/x-pack state=directory owner={{ es_user }} group={{ es_group }}
   changed_when: False
   when: es_enable_xpack and '"security" in es_xpack_features'
 
 #List current users
 - name: List Users
+  become: yes
   shell: cat {{conf_dir}}/x-pack/users | awk -F':' '{print $1}'
   register: current_file_users
   when: manage_file_users
@@ -19,6 +21,7 @@
 
 #Remove users
 - name: Remove Users
+  become: yes
   command: >
     {{es_home}}/bin/x-pack/users userdel {{item}}
   with_items: "{{users_to_remove | default([])}}"
@@ -33,6 +36,7 @@
 
 #Add users
 - name: Add Users
+  become: yes
   command: >
     {{es_home}}/bin/x-pack/users useradd {{item}} -p {{es_users.file[item].password}}
   with_items: "{{users_to_add | default([])}}"
@@ -44,6 +48,7 @@
 
 #Set passwords for all users declared - Required as the useradd will not change existing user passwords
 - name: Set User Passwords
+  become: yes
   command: >
     {{es_home}}/bin/x-pack/users passwd {{item.key}} -p {{item.value.password}}
   with_dict: "{{(es_users | default({'file':{}})).file}}"
@@ -60,14 +65,17 @@
 
 #Copy Roles files
 - name: Copy roles.yml File for Instance
+  become: yes
   template: src=security/roles.yml.j2 dest={{conf_dir}}/x-pack/roles.yml owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
   when: es_roles is defined and es_roles.file is defined
 
 #Overwrite users_roles file
 - name: Copy User Roles
+  become: yes
   template: src=security/users_roles.j2 dest={{conf_dir}}/x-pack/users_roles mode=0644 force=yes
   when: manage_file_users and users_roles | length > 0
 
 #Set permission on security directory. E.g. if 2 nodes are installed on the same machine, the second node will not get the users file created at install, causing the files being created at es_users call and then having the wrong Permissions.
 - name: Set Security Directory Permissions Recursive
-  file: state=directory path={{conf_dir}}/x-pack/ owner={{ es_user }} group={{ es_group }} recurse=yes
+  become: yes
+  file: state=directory path={{conf_dir}}/x-pack/ owner={{ es_user }} group={{ es_group }} recurse=yes