I tend to agree with Qihao at this point, from a conservative perspective
for the summer school.

How would you think Lei?

Best regards,
Jia


On Tue, Aug 2, 2016 at 4:14 PM, Qihao Bao <[email protected]> wrote:

> Lei,
>
> I think CMU_frontend is able to get user info through cookie.
> The issue is that entry.py needs to know who is the user. To realize that,
> the user info should have to be passed through a long chain:
>
> CMU_frontend --->> Benyang's web page -->> entry.py -->> and then finally
> CMU_backend.
>
> Changing so much code might be risky at this stage. That's why i think the
> method i mentioned before should be easier.
>
> Thanks
>
> Br.
> Qihao
>
>
> On Sat, Jul 30, 2016 at 2:03 AM, Pan, Lei (398K) <[email protected]>
> wrote:
>
> > Hi Qihao:
> >
> > The idea of identifying a user from a pre-defined, hard-coded
> > url to username map would work. However a more automatic way
> > is for a client to find out who he/she is after logging on to
> > the provenance server. Is there a cookie or query mechanism
> > that we can leverage? The login mechanism you use may provide
> > some programming interface.
> >
> > Thanks,
> > -Lei
> >
> > On 7/29/16, 3:28 PM, "Qihao Bao" <[email protected]> wrote:
> >
> > >Hi all,
> > >
> > >*I have thought about the user mapping issue based on Benyang's
> suggestion
> > >yesterday*. As we know, each user would be assigned to a VM instance.
> > >
> > >*Lei,*
> > >
> > >I think you can get the instance URL inside of the entry.py? For
> example,
> > >you can get http://ec2-52-53-198-227.us-west-1.compute.amazonaws.com/
> > >dynamically
> > >for one instance and another URL for another instance, right?
> > >
> > >So if you add a dict of 'I*nstance URL to UserId*' and still send UserId
> > >to
> > >CMU_provenance as identification, everything would still work and nobody
> > >else would have to change their code.
> > >
> > >What i can do is to provide you the mapping of 'UserName to UserID in
> > >CMU_provenance', since you already have the mapping of ' instance URL to
> > >UserName', you will be able to join them together.
> > >
> > >Thanks a lot.
> > >
> > >
> > >Qihao
> >
> >
>

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