启动实例¶

在包含 Orchestration 服务的环境中，您可以创建一个启动实例的堆栈。

创建模板¶

Orchestration 服务使用模板来描述堆栈。要了解模板语言，请参阅模板指南。

创建 demo-template.yml 文件，内容如下

heat_template_version: 2015-10-15
description: Launch a basic instance with CirrOS image using the
             ``m1.tiny`` flavor, ``mykey`` key,  and one network.

parameters:
  NetID:
    type: string
    description: Network ID to use for the instance.

resources:
  server:
    type: OS::Nova::Server
    properties:
      image: cirros
      flavor: m1.tiny
      key_name: mykey
      networks:
      - network: { get_param: NetID }

outputs:
  instance_name:
    description: Name of the instance.
    value: { get_attr: [ server, name ] }
  instance_ip:
    description: IP address of the instance.
    value: { get_attr: [ server, first_address ] }

创建堆栈¶

使用 demo-template.yml 模板创建堆栈。

获取 demo 凭证，以非管理项目身份执行以下步骤
```
$ . demo-openrc
```

确定可用的网络。

$ openstack network list
+--------------------------------------+-------------+--------------------------------------+
| ID                                   | Name        | Subnets                              |
+--------------------------------------+-------------+--------------------------------------+
| 4716ddfe-6e60-40e7-b2a8-42e57bf3c31c | selfservice | 2112d5eb-f9d6-45fd-906e-7cabd38b7c7c |
| b5b6993c-ddf9-40e7-91d0-86806a42edb8 | provider    | 310911f6-acf0-4a47-824e-3032916582ff |
+--------------------------------------+-------------+--------------------------------------+

注意

此输出可能与您的环境不同。

将 NET_ID 环境变量设置为反映网络的 ID。例如，使用提供商网络

$ export NET_ID=$(openstack network list | awk '/ provider / { print $2 }')

在提供商网络上创建包含一个 CirrOS 实例的堆栈

$ openstack stack create -t demo-template.yml --parameter "NetID=$NET_ID" stack
+--------------------------------------+------------+--------------------+---------------------+--------------+
| ID                                   | Stack Name | Stack Status       | Creation Time       | Updated Time |
+--------------------------------------+------------+--------------------+---------------------+--------------+
| dbf46d1b-0b97-4d45-a0b3-9662a1eb6cf3 | stack      | CREATE_IN_PROGRESS | 2015-10-13T15:27:20 | None         |
+--------------------------------------+------------+--------------------+---------------------+--------------+

经过短时间后，验证堆栈是否成功创建

$ openstack stack list
+--------------------------------------+------------+-----------------+---------------------+--------------+
| ID                                   | Stack Name | Stack Status    | Creation Time       | Updated Time |
+--------------------------------------+------------+-----------------+---------------------+--------------+
| dbf46d1b-0b97-4d45-a0b3-9662a1eb6cf3 | stack      | CREATE_COMPLETE | 2015-10-13T15:27:20 | None         |
+--------------------------------------+------------+-----------------+---------------------+--------------+

显示实例的名称和 IP 地址，并与 OpenStack 客户端的输出进行比较

$ openstack stack output show --all stack
[
  {
    "output_value": "stack-server-3nzfyfofu6d4",
    "description": "Name of the instance.",
    "output_key": "instance_name"
  },
  {
    "output_value": "10.4.31.106",
    "description": "IP address of the instance.",
    "output_key": "instance_ip"
  }
]

$ openstack server list
+--------------------------------------+---------------------------+--------+---------------------------------+
| ID                                   | Name                      | Status | Networks                        |
+--------------------------------------+---------------------------+--------+---------------------------------+
| 0fc2af0c-ae79-4d22-8f36-9e860c257da5 | stack-server-3nzfyfofu6d4 | ACTIVE | public=10.4.31.106              |
+--------------------------------------+---------------------------+--------+---------------------------------+

删除堆栈。
```
$ openstack stack delete --yes stack
```

启动实例

启动实例¶

创建模板¶

创建堆栈¶

openstack-heat 25.0.1.dev4