openstack-nova源码分析(四）flavor-access访问权限

最新推荐文章于 2023-08-11 23:52:57 发布

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最新推荐文章于 2023-08-11 23:52:57 发布 · 904 阅读

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文章标签：

#openstack #nova #flavor #access

本文深入探讨了openstack-nova中flavor访问权限的控制，重点在于私有flavor的管理。内容包括flavor访问权限的API定义、URL及命令，以及源码分析，详细讲解了GET方法获取列表和POST方法添加、删除权限的操作流程，涉及到的对象和数据库交互过程。

Flavors access (flavors, os-flavor-access)

flavor访问权限控制
访问权限控制只针对私有的flavor，管理员可以访问私有flavor
openstack api access定义如下：

Lists tenants who have access to a private flavor and adds private flavor access to and 
removes private flavor access from tenants. By default, only administrators can manage private flavor access. A private flavor has is_public set to false while a public flavor has is_public set to true.

一. url及命令

涉及url：

/flavors/{flavor_id}/os-flavor-access
/flavors/{flavor_id}/action

涉及cmd功能列表

    flavor-access-add           Add flavor access for the given tenant.
    flavor-access-list          Print access information about the given
                                flavor.
    flavor-access-remove        Remove flavor access for the given tenant.

二. 源码分析

在setup.cfg 中找到对应处理类

flavor_access = nova.api.openstack.compute.flavor_access:FlavorAccess

找到对应文件，FlavorAccess源码定义如下：

class FlavorAccess(extensions.V21APIExtensionBase):
    """Flavor access support."""

    name = "FlavorAccess"
    alias = ALIAS
    version = 1

    def get_resources(self):
        res = extensions.ResourceExtension(
            ALIAS,
            controller=FlavorAccessController(),
            parent=dict(member_name='flavor', collect

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