Hello, Kevin


The leakage risk may be one of the design purpose. But  Nova/Cinder has already 
stored the token into the context, because Nova needs to access 
Neutron.Cinder.Glance, And Cinder interact with Glance....



For Neutron, I think why the token has not been passed to the context, is 
because that Neutron only reactively provide service (exactly PORT ) to Nova 
currently, so Neutron has not call other services' API by using the token.



If the underlying agent or plugin wants to use the token, then the requirement 
will be asked by somebody.



BR



Joe



________________________________
发件人: Kevin Benton [blak...@gmail.com]
发送时间: 2014年7月19日 4:23
收件人: OpenStack Development Mailing List (not for usage questions)
主题: Re: [openstack-dev] [Neutron] Auth token in context

I suspect it was just excluded since it is authenticating information and there 
wasn't a good use case to pass it around everywhere in the context where it 
might be leaked into logs or other network requests unexpectedly.


On Fri, Jul 18, 2014 at 1:10 PM, Phillip Toohill 
<phillip.tooh...@rackspace.com<mailto:phillip.tooh...@rackspace.com>> wrote:
It was for more of a potential use to query another service. Don't think well 
go this route though, but was curious why it was one of the only values not 
populated even though there's a field for it.

From: Kevin Benton <blak...@gmail.com<mailto:blak...@gmail.com>>
Reply-To: "OpenStack Development Mailing List (not for usage questions)" 
<openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org>>
Date: Friday, July 18, 2014 2:16 PM
To: "OpenStack Development Mailing List (not for usage questions)" 
<openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org>>
Subject: Re: [openstack-dev] [Neutron] Auth token in context

What are you trying to use the token to do?


On Fri, Jul 18, 2014 at 9:16 AM, Phillip Toohill 
<phillip.tooh...@rackspace.com<mailto:phillip.tooh...@rackspace.com>> wrote:
Excellent! Thank you for the response, I figured it was possible, just
concerned me to why everything else made it to context except for the
token.

So to be clear, you agree that it should at least be passed to context and
because its not could be deemed a bug?

Thank you

On 7/18/14 2:03 AM, "joehuang" 
<joehu...@huawei.com<mailto:joehu...@huawei.com>> wrote:

>Hello, Phillip.
>
>Currently, Neutron did not pass the token to the context. But Nova/Cinder
>did that. It's easy to do that, just 'copy' from Nova/Cinder.
>
>1.  How Nova/Cinder did that
>class NovaKeystoneContext(wsgi.Middleware)
>///or CinderKeystoneContext for cinder
>
>              auth_token = req.headers.get('X_AUTH_TOKEN',
>                                     req.headers.get('X_STORAGE_TOKEN'))
>              ctx = context.RequestContext(user_id,
>                                     project_id,
>                                     user_name=user_name,
>                                     project_name=project_name,
>                                     roles=roles,
>                                     auth_token=auth_token,
>                                     remote_address=remote_address,
>                                     service_catalog=service_catalog)
>
>2.  Neutron not passed token. Also not good for the third part network
>infrastructure to integrate the authentication with KeyStone.
>class NeutronKeystoneContext(wsgi.Middleware)
>.................
>##### token not get from the header and not passed to context. Just
>change here like what Nova/Cinder did.
>        context.Context(user_id, tenant_id, roles=roles,
>                              user_name=user_name,
>tenant_name=tenant_name,
>                              request_id=req_id)
>        req.environ['neutron.context'] = ctx
>
>I think I'd better to report a bug for your case.
>
>Best Regards
>Chaoyi Huang ( Joe Huang )
>-----邮件原件-----
>发件人: Phillip Toohill 
>[mailto:phillip.tooh...@rackspace.com<mailto:phillip.tooh...@rackspace.com>]
>发送时间: 2014年7月18日 14:07
>收件人: OpenStack Development Mailing List (not for usage questions)
>主题: [openstack-dev] [Neutron] Auth token in context
>
>Hello all,
>
>I am wondering how to get the auth token from a user request passed down
>to the context so it can potentially be used by the plugin or driver?
>
>Thank you
>
>
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Kevin Benton

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