AZURE-211 determine the correct systemd service directory depending on the distribution

roles/product_startup/tasks/main.yml

@@ -1,9 +1,16 @@
----
+
+- name: "Set the systemd_dir"
+  set_fact:
+    systemd_dir: "{% if ansible_distribution|lower=='ubuntu' %}/lib/systemd/system{% else %}/usr/lib/systemd/system{% endif %}"
+
+- name: "systemd_dir debug"
+  debug:
+    msg: "systemd_dir {{systemd_dir}}"
 
 - name: "Install systemd service file"
   template:
     src: "product.service.j2"
-    dest: "/usr/lib/systemd/system/{{ atl_systemd_service_name }}"
+    dest: "{{systemd_dir}}/{{ atl_systemd_service_name }}"
     owner: root
     group: root
     mode: 0640