Add lxd gpu passthrough tests (New)

[pedro-avalos]

Description

• Refactored virtualization.py to reduce code duplication
• Added LXD container and VM tests for GPU passthrough setups.

Resolved issues

• Addresses CHECKBOX-1451 and CHECKBOX-970.

Documentation

n/a

Tests

NVIDIA tests run on Luma.
AMD tests run on my personal device (TODO: find a device to test these on)

[pedro-avalos]

My list of things I still need to do before this can be merged:

1. Find a machine with an AMD GPU to test on that is not my personal machine
2. Resolve any merge conflicts with Create a test for SRIOV Intel NIC's (New) #1293
3. Create Checkbox jobs that use the new tests with the correct GPU vendor set
4. Rebase

There may be other items to still work on, but that's what I can think of at the moment

[pedro-avalos]

I've added the test plan and jobs, but for some reason, the template doesn't find any jobs to run. Any ideas on what is going on?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.14%. Comparing base (37dcd06) to head (e3571a4).
Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1535      +/-   ##
==========================================
+ Coverage   47.76%   57.14%   +9.37%     
==========================================
  Files         370        1     -369     
  Lines       39750       42   -39708     
  Branches     6720        6    -6714     
==========================================
- Hits        18987       24   -18963     
+ Misses      20048       18   -20030     
+ Partials      715        0     -715     

Flag	Coverage Δ
checkbox-ng	?
checkbox-support	?
contrib-provider-ce-oem	?
provider-base	?
provider-certification-client	?
provider-certification-server	?
provider-genio	?
provider-gpgpu	57.14% <ø> (ø)
provider-iiotg	?
provider-resource	?
provider-sru	?
release-tools	?

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[pedro-avalos]

@fernando79513 Thinking this over, this PR could probably be closed and reopened. I don't see any hard reason why the GPU tests should live in the virtualization.py script. It is making the file extremely long and complicated. I think I should make a new PR where I make a separate script in the gpgpu provider.

The only things I was using from this script were the run command wrapper, but that isn't a strong enough reason in my opinion.

Let me know what you think. I just want to make your life easier with reviewing PRs.

[pedro-avalos]

Closing this PR, the PR is way too large, and as discussed, it will be extracted to its own script. We will need to revisit refactoring virtualization.py at some point, though.