API microversion 2.25 introduced the 'block_migration=auto' value for
the os-migrateLive server action. This is a sensible default that we
should use, allowing users to avoid stating one of the
'--block-migration' or '--shared-migration' parameters explicitly.
While we're here, we take the opportunity to fix up some formatting in
the function, which is really rather messy.
Change-Id: Ieedc77d6dc3d4a3cd93b29672faa97dd4e8c1185
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
2bdf34dcc3