'Migrate the volume to the specified host.
Returns a boolean indicating whether the migration occurred, as well as
model_update.
:param ctxt: Context
:param volume: A dictionary describing the volume to migrate
:param host: A dictionary describing the host to migrate to, where
host[\'host\'] is its name, and host[\'capabilities\'] is a
dictionary of its reported capabilities.'

def migrate_volume(self, ctxt, volume, host):

    LOG.debug('migrate_volume    volume    id=%(volume_id)s    host=%(host)s', {'volume_id': volume['id'], 'host': host['host']})
    return self.common.migrate_volume(volume, host)
