DCD-224: Create a role for installation with the binary installer.

roles/installer_download/tasks/main.yml

@@ -0,0 +1,23 @@
+---
+
+- name: Create installation directories
+  file:
+    path: "{{ item }}"
+    state: directory
+    mode: 0755
+  with_items:
+    - "{{ atl_installer_temp }}"
+    - "{{ atl_product_home_shared }}"
+
+
+# Common case for most products and Jira editions.
+- name: Fetch ServiceDesk metadata if necessary
+  include_tasks: "servicedesk_download.yml"
+  when: atl_product_edition == "jira-servicedesk"
+
+# Differences for ServiceDesk become fiddly enough that it's better to
+# just split them out and move common functionality into individual
+# task files.
+- name: Fetch product metadata if necessary
+  include_tasks: "product_download.yml"
+  when: atl_product_edition != "jira-servicedesk"