红帽全球峰会23.4. 父标签
23.4.1. 父标签
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API 用户通过为标签分配一个
parent 项来为父标签创建一个分级结构链接。所有标签在 root 标签下面以一个平面的结构存在，而标签会包括一个到父标签的链接项。
注意
在没有指定父标签时，
root 标签被假设为默认的父标签。root 标签不能被删除，也不能为它分配一个父标签。
标签的分级结构以以下形式存在：
例 23.5. 标签分级结构
<tags>
<tag id="-1" href="/api/tags/-1">
<name>root</name>
<description>root</description>
<parent>
<tag id="-1" href="/api/tags/-1"/>
</parent>
</tag>
<tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"
href="/api/tags/f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e">
<name>Finance</name>
<description>Resources for the Finance department</description>
<parent>
<tag id="-1" href="/api/tags/-1"/>
</parent>
</tag>
<tag id="ac18dabf-23e5-12be-a383-a38b165ca7bd"
href="/api/tags/ac18dabf-23e5-12be-a383-a38b165ca7bd">
<name>Billing</name>
<description>Billing Resources</description>
<parent>
<tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"
href="/api/tags/f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"/>
</parent>
</tag>
</tags>
在 XML 表述中，标签有以下分级结构：
root (id: -1)
- Finance (id: f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e)
- Billing (id: ac18dabf-23e5-12be-a383-a38b165ca7bd)
23.4.2. 设置一个父标签
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使用带有
parent 项的 POST 请求可以为新标签分配一个父标签。使用 id 属性或 name 项来代表父标签。
例 23.6. 使用 id 属性设置一个父标签
POST /api/vms/5114bb3e-a4e6-44b2-b783-b3eea7d84720/tags HTTP/1.1
Accept: application/xml
Content-Type: application/xml
HTTP/1.1 200 OK
Content-Type: application/xml
<tag>
<name>Billing</name>
<description>Billing Resources</description>
<parent>
<tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"/>
</parent>
</tag>
例 23.7. 使用 name 项设置一个父标签
POST /api/vms/5114bb3e-a4e6-44b2-b783-b3eea7d84720/tags HTTP/1.1
Accept: application/xml
Content-Type: application/xml
HTTP/1.1 200 OK
Content-Type: application/xml
<tag>
<name>Billing</name>
<description>Billing Resources</description>
<parent>
<tag>
<name>Finance</name>
</tag>
</parent>
</tag>
23.4.3. 修改父标签
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使用
PUT 请求可以修改父标签：
例 23.8. 修改父标签
PUT /api/tags/ac18dabf-23e5-12be-a383-a38b165ca7bd HTTP/1.1
Accept: application/xml
Content-Type: application/xml
<tag>
<parent>
<tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"/>
</parent>
</tag>
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