Try multiple attempts at extracting the VMDK from a vagrant box. This extraction appears to fail periodically.

Author: mvousden

jobs/hook_vm.yml

@@ -73,6 +73,9 @@
     chdir={{ artefact_dir }}
     creates={{ artefact_dir }}/box-disk1.vmdk
   when: not zip_status.stat.exists or (zip_status.stat.isreg and clobber_output)
+  register: result
+  until: result.rc == 0
+  retries: 3
 
 - name: Convert the virtual machine disk (VMDK) to a virtual hard disk (VHD).
   command: VBoxManage clonehd --format VHD box-disk1.vmdk {{ output_name }}.vhd