QA for allocator in recreate-disks
QA for allocator in recreate-disks

QA for recreate-disks called it twice with a list of node; the first call
now uses an allocator.

Signed-off-by: Adam Ingrassia <a033a528b603fed46f861d4b3542c417b99d41c8@google.com>
Signed-off-by: Bernardo Dal Seno <dcdd79c5479cb9d1329ec01d126f02cb045aa103@google.com>
Reviewed-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>

yiannist/ganeti,onponomarev/ganeti,apyrgio/ganeti,mbakke/ganeti,onponomarev/ganeti,yiannist/ganeti,apyrgio/snf-ganeti,andir/ganeti,dimara/ganeti,andir/ganeti,leshchevds/ganeti,grnet/snf-ganeti,leshchevds/ganeti,apyrgio/ganeti,apyrgio/snf-ganeti,grnet/snf-ganeti,bitemyapp/ganeti,yiannist/ganeti,ganeti/ganeti,ganeti/ganeti,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,mbakke/ganeti,leshchevds/ganeti,ganeti/ganeti