DCD-686: Add download of the backups.

roles/load_backup_manifest/tasks/main.yml

@@ -44,4 +44,26 @@
         file: "{{ atl_backup_manifest_dest }}"
         name: atl_backup_manifest
 
+    - name: Define the DB and home dump destinations
+      set_fact:
+        atl_backup_db_dest: "{{ atl_installer_temp }}/{{ atl_backup_manifest.db_dump | basename }}"
+        atl_backup_home_dest: "{{ atl_installer_temp }}/{{ atl_backup_manifest.shared_home_dump | basename }}"
+
+    # FIXME: Here we fetch the backups. However we may wish to stream
+    # these directly from S3 to the target DB/FS to avoid requiring
+    # disk-space for the intermediate files.
+    - name: Fetch DB backup from S3
+      aws_s3:
+        mode: get
+        bucket: "{{ atl_backup_manifest.db_dump | urlsplit('hostname') }}"
+        object: "{{ atl_backup_manifest.db_dump | urlsplit('path') }}"
+        dest: "{{ atl_backup_db_dest }}"
+
+    - name: Fetch Home backup from S3
+      aws_s3:
+        mode: get
+        bucket: "{{ atl_backup_manifest.shared_home_dump | urlsplit('hostname') }}"
+        object: "{{ atl_backup_manifest.shared_home_dump | urlsplit('path') }}"
+        dest: "{{ atl_backup_home_dest }}"
+
   when: atl_backup_manifest_url is defined and atl_backup_manifest_url != ''