Would direct-sharing histories work as a significantly lighter weight solution? Each student could just create a history named "DannonBaker_SharedResults" or the like, share it directly with their instructor, and put via dataset copy and/or perform any work to be shared in that?
-Dannon On Wed, Jan 15, 2014 at 11:21 PM, John Chilton <chil...@msi.umn.edu> wrote: > On Wed, Jan 15, 2014 at 12:03 PM, Fernandez Edgar > <edgar.fernan...@umontreal.ca> wrote: > > Hello John, > > > > Thank you very much for your answer! > > It's sounds logical and do-able. > > > > However, I've thought of the following and I would like your opinion > about it: > > (this is to create a workspace for each student which is accessible only > by them and their teacher) > > 1. create a data library for each user (student, teacher and class) > > 2. the data library for each student will have the following permissions: > > a. modify library item = student private role (email > address) > > b. access library = student private role (email > address) and teacher private role > > Here is where this starts to break down. I think roles do not work the > way most people I talk to about them find intuitive (myself included). > When determining if action X can be performed on a library item - a > user must belong to an intersection of all of the roles not a union of > them. Put another way - each role is restricting the universe of > people that can perform action X on an item not expanding it. > > So I am pretty sure Galaxy will not even let you specify this. The > workaround is to create a new role for each student and teacher > combination. This joint role would be the access role and all of the > rest would be the student private role. > > > c. add library item = student private role (email > address) > > d. manage library permissions = student private role (email > address) > > 3. the data library for each teacher will have the following permissions: > > a. modify library item = teacher private role (email > address) > > b. access library = teacher private role (email > address) > > c. add library item = teacher private role (email > address) > > d. manage library permissions = teacher private role (email > address) > > 4. the data library for each class will have the following permissions: > > a. modify library item = teacher private role (email > address) > > b. access library = teacher private role (email > address) > > c. add library item = teacher private role (email > address) and all students privates roles > > I think add library item has to be a subset of access library. So I > suspect this will not work (though feel free to try). > > A work around here might again be to create a new data library for > each combination of student and teacher. This is obviously more > overhead for the teacher though :(. > > -John > > > d. manage library permissions = teacher private role (email > address) > > > > Now, here's the one million dollar questions: > > Will the permission 4c permit to every student to drop some work into > the class workspace but not cheap by seeing the work of another student ? > > > > Cordialement / Regards, > > Edgar Fernandez > > > > > > -----Message d'origine----- > > De : jmchil...@gmail.com [mailto:jmchil...@gmail.com] De la part de > John Chilton > > Envoyé : January-15-14 12:12 PM > > À : Fernandez Edgar > > Cc : galaxy-...@bx.psu.edu > > Objet : Re: [galaxy-dev] creating a hierarchy of students teachers and > courses > > > > Galaxy can do some these and maybe not others. This is a really big > topic, and I hope you let us all know how progress on this goes - it is a > really interesting use case. I can comment a little on each part of this, > but they are all connected and there are different ways to approach each of > these things. > > > > On Tue, Jan 14, 2014 at 12:03 PM, Fernandez Edgar < > edgar.fernan...@umontreal.ca> wrote: > >> Hello galaxy team, > >> > >> > >> > >> First and foremost, I would like to thank you for your assistance with > >> my galaxy installation with apache proxy. > >> > >> It works very well. > >> > >> > >> > >> Secondly, I would like your help with creating users, groups, roles > >> and permissions that would allow me to: > >> > >> 1. differentiate a student from a teacher > > > > Are you creating these accounts inside of Galaxy or using an external > authentication method? > > > > Because if your are creating these accounts yourself - I would suggest > using naming scheme to distinguish these: > > > > std_cls_lastname > > teach_cls_lastname > > > > Another idea to consider is to make all teachers admins. This provides a > lot of extra functionality that can cover some additional requirements > below and can serve as the basis for differentiating. > > > >> > >> 2. differentiate a student in course A or in course B > > > > You could use a naming scheme, or your could create a group and role for > each course. It looks like there is an API for managing groups and roles. > This can help automate some of this - it would be very laborious to do this > through the UI I imagine. > > > >> > >> 3. teachers having read access to students' work > > > > This one is why I would give the teachers admin access - I think they > could impersonate the students to access their work (set > allow_user_impersonation = True in universe_wsgi.ini). It would mean that > every teacher would have full access to every students work - if this is a > problem you might want to consider standing up a Galaxy instance per class > - there is some up front overhead with this - but it would make cleaning > things up really easy. > > > > If these aren't realistic solutions, I think producing course > documentation describing for students how to manually share their work with > teachers is probably the best bet. Any user can share a history with any > other user or produce links and e-mail these to the teacher. > > > >> > >> 4. teachers sharing with students > > > > I would look at having the teachers setup pages for individual courses > or lesson plans. These can be made public and students would be able to > import histories, datasets, and workflows right in from these. If more > targeted sharing is needed again I think the best bet right now might just > use Galaxy's history sharing capabilities. > > > >> > >> Right now, I just have created users. There is no group or roles or > >> permissions or datasets. > >> > >> > >> > >> On another note, how can I disable the account of one specific user or > >> a whole group ? > > > > To enable this functionality for individual users and groups in the UI > you need to set allow_user_deletion to True in universe_wsgi.ini. I don't > think deleting a group will delete all the users in it though. > > This can be automated either by extending the API to support deleting > users and then writing a script to iterate over a group and delete all the > users or by writing a script that talks to the database directly or using > scripts/db_shell.py (which provides an external script access to the > Galaxy's data connection and model classes). > > > > Hope this helps, > > > > -John > > > >> > >> > >> > >> Cordialement / Regards, > >> > >> > >> > >> Edgar Fernandez > >> > >> System Administrator (Linux) > >> > >> Direction Générale des Technologies de l'Information et de la > >> Communication > >> > >> ( Bur. : 1-514-343-6111 poste 16568 > >> > >> > >> > >> Université de Montréal > >> > >> PAVILLON ROGER-GAUDRY, bureau X-218 > >> > >> > >> > >> > >> ___________________________________________________________ > >> Please keep all replies on the list by using "reply all" > >> in your mail client. To manage your subscriptions to this and other > >> Galaxy lists, please use the interface at: > >> http://lists.bx.psu.edu/ > >> > >> To search Galaxy mailing lists use the unified search at: > >> http://galaxyproject.org/search/mailinglists/ > > ___________________________________________________________ > Please keep all replies on the list by using "reply all" > in your mail client. To manage your subscriptions to this > and other Galaxy lists, please use the interface at: > http://lists.bx.psu.edu/ > > To search Galaxy mailing lists use the unified search at: > http://galaxyproject.org/search/mailinglists/ >
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