Make use of ansible_service_mgr

Author: tersmitten

tasks/main.yml

@@ -13,15 +13,15 @@
     - supervisor-configure
 
 - include: service-initd.yml
-  when: (ansible_distribution == 'Ubuntu' and ansible_distribution_version | version_compare('15.04', '<') or ansible_distribution == 'Debian' and ansible_distribution_version | version_compare('8.0', '<'))
+  when: ansible_service_mgr != 'systemd'
   tags:
     - configuration
     - supervisor
     - supervisor-configure
     - supervisor-configure-initd
 
 - include: service-systemd.yml
-  when: (ansible_distribution == 'Ubuntu' and ansible_distribution_version | version_compare('15.04', '>=') or ansible_distribution == 'Debian' and ansible_distribution_version | version_compare('8.0', '>='))
+  when: ansible_service_mgr == 'systemd'
   tags:
     - configuration
     - supervisor