'Return a list of hosts that can create instance_type.'

def host_passes(self, host_state, spec_obj):

    instance_type = spec_obj.flavor
    if (not self._satisfies_extra_specs(host_state, instance_type)):
        LOG.debug('%(host_state)s    fails    instance_type    extra_specs    requirements', {'host_state': host_state})
        return False
    return True
