Add registration info to the image structure & a GET endpoint.

[MrCreosote]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 52.17391% with 11 lines in your changes missing coverage. Please review.

Project coverage is 54.38%. Comparing base (2390381) to head (0edfb8a).
Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
cdmtaskservice/images.py	44.44%	5 Missing ⚠️
cdmtaskservice/job_state.py	33.33%	2 Missing ⚠️
cdmtaskservice/routes.py	66.66%	2 Missing ⚠️
cdmtaskservice/app.py	0.00%	1 Missing ⚠️
cdmtaskservice/app_state.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #164      +/-   ##
==========================================
+ Coverage   54.32%   54.38%   +0.06%     
==========================================
  Files          34       34              
  Lines        2222     2234      +12     
==========================================
+ Hits         1207     1215       +8     
- Misses       1015     1019       +4     

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[Tianhao-Gu]

LGTM. As we develop the API, I’m feeling more uncertain about how comfortable the team will feel using it. Overall, the task service demands more effort than simply setting up and running a local tool—something people already seem reluctant/having trouble to do, in my opinion. We should sync with the science team to ensure they’re open to drafting a Docker file, registering images, and using the system to schedule jobs. It was intentionally designed this way, but I feel that people often gain a clearer understanding when they see the final product or how the API is actually used.

[MrCreosote]

Let's talk about it on Tuesday, but if we want to run reproducible tasks on NERSC there isn't really another reasonable option other than containers.

drafting a Docker file

I suspect that the tech team will be doing that, at least early on. That being said, the CTS is designed to make this as trivial as possible

registering images

Only system admins can do that

schedule jobs

This is the one that users will be doing a lot. I'm pretty sure we're going to need some sort of UI, but we'll see