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Re: [cross-project-issues-dev] End of an Era: shell access.
Dear Webmasters,

back from vacation I find this conversation about shell access again. After the one earlier this year I believed that you will rethink your decision, and my and other concerns were heard, especially because the discussion went quiet so quickly.

I have to say that I am not in any way prepared for the shell access removal, and that I won't have any time and energy to spend on the preparation in the next weeks because of too many more important duties on my list. But without shell access I won't be able to release any of the packages in the future, and short term I cannot help anyone to setup a Jenkins job that would copy and rename the packages into the correct location, and prepare the other configuration files for the download page.

I'm asking you to either postpone this access removal until the end of the year, or rethink the whole removal, but it needs more time for preparation and communication with the teams.

Regards,
Markus




On Tue, 27 Aug 2019 at 18:46, Ed Merks <ed.merks@xxxxxxxxx> wrote:

Matt,

So in the end, a restricted shell is essentially so crippled as to be effectively useless, and there exists no actual concrete "definition" of what, if anything, useful might in reality be accomplished with a restricted shell.

I should point out that this is quite different from the impression that was presented earlier in this process, so I'm disappointed in how this has been presented and handled.  It feels to me like a process of decree where there is no recourse:

  "We've come to claim your property to build a new highway; we're very sorry that you'll have to move out before the end of October, but it is for the greater good."

Regards,
Ed


On 27.08.2019 16:44, Matthew Ward wrote:
Hi Ed,

  The restricted shell was originally created with the goal of providing committers a way to interact with the downloads/archive filesystems for releng activities, and version control systems without providing a general purpose shell.  So naturally the command set available leans in that direction(mv,cp,mkdir,git etc).  

We are certainly willing to discuss adding extra commands either temporarily or permanently, but I want to make it clear that the goal is not to reproduce bash.  

-Matt.




On Mon, Aug 26, 2019 at 9:58 AM Ed Merks <ed.merks@xxxxxxxxx> wrote:

What will we be able to do in restricted shell?  Using vi is a very basic activity.  I suppose there must be some good reason why that's restricted?  Earlier I was under the impression that such simple things would continue to work, but now I have to wonder.  But then it was mentioned that things we discover needed could become unrestricted...


On 26.08.2019 15:35, Matthew Ward wrote:
Hi David,

  Thanks for the questions.   

Users with the restricted shell will have the same home directories that they do currently, which will remain the place for authorized keys.   You won't be able to edit(vi/emacs/ed) files directly within the restricted shell, so you will need to upload them via scp/rsync.  If you want a more 'interactive' type of access I'd suggest looking into using libfuse, and specifically the sshfs file system.

The restricted shell allows rsync, so there should be zero impact.  If you'd like to test in advance, drop me a line and I'll set you up.

-Matt.

On Sat, Aug 24, 2019 at 3:23 PM David Williams <david_williams@xxxxxxx> wrote:
On 8/23/19 14:24, Matthew Ward wrote:
Hi Everyone,

  I just wanted to follow up with a reminder that on August 28th we will be moving committers that have an actual shell on Eclipse.org to our restricted shell.

I'd like to thank both Donat and Etienne on the Buildship RelEng team who volunteered to test this change, and helped me confirm that this change should be minimally disruptive.

If you have any questions, please let me know.

-Matt.


Thanks for the reminder.

Will those of use that still want to use 'scp' and similar still have a 'home directory' (on "build"?) and is that still the place for .ssh/authorized_keys2? Or, does all that change with "restricted shell"?

If a change, can you point me to instructions on how to set that up? I would assume some form of "ssh-copy-id hostname" but thought best not to assume and ask explicitly.

In case you are wondering, the use case, for using scp and similar is to download a number of builds to my local machine (without going through web interfaces).
Now that I think of it, I currently use rsync via ssh, such as

 rsync -a -e ssh ${committer_id}@build.eclipse.org:${dlpath} "${output_dir}"

Will that still work with a restricted shell? Or, will I need to convert to "scp"?

Thanks,


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