WIP: Add venv and caching to accelerate CIs

[j4m3s-s]

This PR adds a cache for pip dependencies to speed up the CIs.
This introduces the problem when dependencies are upgraded we need to fix the cache.

What type of PR is this?

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/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
CI have been failing quite a bit recently (for various reasons that I'm not entirely aware of). Speeding them up would probably free up a lot of CI time and make it easier to land PR upstream.
Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[k8s-ci-robot]

Hi @j4m3s-s. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[MrFreezeex]

I think I would rather wait a bit more to have this #10032 (and #10034) than introducing a cache here.

[j4m3s-s]

I don't mind either, although I usually prefer using python dependencies from pip rather than system ones, especially since it's probably how people use it (at least that's how I would expect them to).

I can close it if you still think this is not worth pursuing though.

[MrFreezeex]

I think it could be worth it to add some venv directly in the dockerfile and if we still wants to support two versions of Ansible we could have two venv there for instance.

[k8s-ci-robot]

PR needs rebase.

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/lifecycle stale

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/lifecycle rotten

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/close

[k8s-ci-robot]

@k8s-triage-robot: Closed this PR.

In response to this:

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/close

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