红帽全球峰会1.2. OpenStack 区域
地区是 OpenStack 部署的一个部门。每个区域都有自己的完整的 OpenStack 部署，包括自己的 API 端点、网络和计算资源。不同的区域共享一组 Identity 服务(keystone)和 Dashboard 服务(horizon)服务，以提供访问控制和 Web 界面。Red Hat OpenStack Platform 部署了一个区域。默认情况下，您的 overcloud 区域名为 regionOne。您可以更改 Red Hat OpenStack Platform 中的默认区域名称。
流程
在
parameter_defaults下，定义KeystoneRegion参数：parameter_defaults: KeystoneRegion: '<sample_region>'将
<sample_region> 替换为您选择的区域名称。注意部署 overcloud 后，您无法修改区域名称。
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