def _make_heat_template(self, cluster, ng1, ng2):
heat_template = h.ClusterStack(cluster)
heat_template.add_node_group_extra(ng1['id'], 1,
get_ud_generator('line1\nline2'))
heat_template.add_node_group_extra(ng2['id'], 1,
get_ud_generator('line2\nline3'))
return heat_template
def _create_instances(self, cluster, target_count, update_stack=False,
disable_rollback=True):
stack = ht.ClusterStack(cluster)
self._update_instance_count(stack, cluster, target_count)
stack.instantiate(update_existing=update_stack,
disable_rollback=disable_rollback)
heat.wait_stack_completion(
cluster, is_update=update_stack,
last_updated_time=stack.last_updated_time)
return self._populate_cluster(cluster, stack)
