systemd vs upstart, detect it smart

tasks/supervisor.yml

@@ -25,17 +25,22 @@
   notify:
     - supervisor restart
 
-- name: Configure supervisor (Ubuntu) - pt. 2
-  template: src=supervisor.conf.j2 dest=/etc/init/supervisor.conf owner=root group=root mode=0755
-  when: ansible_distribution == 'Ubuntu'
+- name: Find systemd information
+  command: which systemctl
+  ignore_errors: yes
+  register: is_systemd
 
-- name: Configure supervisor (Debian) - pt. 2
-  template: src=supervisor_debian.conf.j2 dest=/etc/init.d/supervisor owner=root group=root mode=0755
-  when: ansible_distribution == 'Debian'
+- name: Configure upstart supervisor
+  template: src=supervisor_upstart.conf.j2 dest=/etc/init/supervisor.conf owner=root group=root mode=0755
+  when: not is_systemd
 
-- name: Enable supervisor service (Debian) - pt. 3
+- name: Configure systemd supervisor
+  template: src=supervisor_systemd.conf.j2 dest=/etc/init.d/supervisor owner=root group=root mode=0755
+  when: is_systemd
+
+- name: Enable systemd supervisor service
   service: name=supervisor enabled=yes
-  when: ansible_distribution == 'Debian'
+  when: is_systemd
 
 - name: Ensure the supervisor is started
   service: name=supervisor state=started