On 19/10/15 14:57, Adam Young wrote:
> While I tend to play up bug 968696 for dramatic effect, the reality is
> we have a logical contradiction on what we mean by 'admin' when talking
> about RBAC.
>
> In early iterations of OpenStack, roles were global. This is reflected
> in many of the Policy checks that only look for the global role.
> However, prior to the Keystone-Light rewrite, role assignments became
> scoped to tenants. This shows up in the Keystone git history. As this
> pattern got established, some people wrote policy checks that assert:
>
> role==admin and tenant_id=resource.tenant_id
>
> This contradicts the global-ness of the admin roles. If I assign
> ('joeuser', 'admin','mytenant') I've just granted them the ability to
> perform all of the admin operations.
I'm afraid I'm not sure I follow. Do you mean all of the admin
operations on resources that are protected only by 'role==admin' ?
Neil
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