openqa: hdd image creation fixups

image creation needs expect, and libvirtd.service to be running,
and the filename it creates was wrong.

roles/openqa/server/tasks/main.yml

@@ -55,6 +55,7 @@
   - nfs-utils
   - perl(Class::DBI::Pg)
   - perl(DateTime::Format::Pg)
+  - expect
   - libguestfs-tools-c
   tags:
   - packages
@@ -79,15 +80,21 @@
   - /var/lib/openqa/share/factory/hdd
   - /var/lib/openqa/share/factory/repo
 
+- name: Start libvirt service
+  service: name=libvirtd state=started
+
 # NOTE: this is very hacky, but we can't do much better with the current
 # disk creation script, I will try and make it better. We'll have to bump
 # this hardcoded release number every so often.
 - name: Create hard disk images (this may take a long time!)
   command: "/root/openqa_fedora_tools/tools/createhdds.sh 23"
   args:
-    creates: /var/lib/openqa/share/factory/hdd/disk_full.img
+    creates: /var/lib/openqa/share/factory/hdd/disk_full_mbr.img
     chdir: /var/lib/openqa/share/factory/hdd/
 
+- name: Stop libvirt service
+  service: name=libvirtd state=stopped
+
 - name: Create exports file
   copy: src=exports dest=/etc/exports.d/openqa.exports owner=root group=root mode=0644
   tags: