Systemd temp path for Debian 8

README.md

@@ -167,6 +167,6 @@ Following variables affect the versions installed:
 
 * The role assumes the user/group exists on the server.  The elasticsearch packages create the default elasticsearch user.  If this needs to be changed, ensure the user exists.
 * The playbook relies on the inventory_name of each host to ensure its directories are unique
-* Systemd scripts are by default installed in addition to init scripts.  This is pending improvement and currently relies on the user to determine the prefered mechanism.
+* Systemd scripts are by default installed in addition to init scripts - with the exception of Debian 8.  This is pending improvement and currently relies on the user to determine the preferred mechanism.
 * Changing an instance_name for a role application will result in the installation of a new component.  The previous component will remain.
 * KitchenCI has been used for testing.  This is used to confirm images reach the correct state after a play is first applied.  

tasks/elasticsearch-config.yml

@@ -6,8 +6,10 @@
 - stat: path={{sysd_script}}
   register: systemd_service
 
+- set_fact: use_system_d={{systemd_service.stat.exists and (ansible_os_family == 'RedHat' or ansible_distribution_version | version_compare('8', '<'))}}
+
 - set_fact: instance_sysd_script={{sysd_script | dirname }}/{{es_instance_name}}_{{sysd_script | basename}}
-  when: systemd_service.stat.exists
+  when: use_system_d
 
 #For directories we also use the {{inventory_hostname}}-{{ es_instance_name }} - this helps if we have a shared SAN.
 
@@ -58,7 +60,7 @@
 #Copy the systemd specific file if systemd is installed
 - name: Copy Systemd File for Instance
   template: src=systemd/elasticsearch.j2 dest={{instance_sysd_script}} mode=0644 force=yes
-  when: systemd_service.stat.exists
+  when: use_system_d
   notify: restart elasticsearch
 
 #Copy the logging.yml