Add OCI artifact layer cache

[saschagrunert]

What type of PR is this?

/kind feature

What this PR does / why we need it:

We now utilize an on-disk key/value cache for OCI artifacts. The digests will be used to identify if a layer has to be re-pulled or not. The artifact API now returns a path to the file on disk.

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

None

Does this PR introduce a user-facing change?

Added OCI artifact layer cache to avoid repeatedly pulling the same container image.

[codecov]

Codecov Report

Merging #7837 (863e514) into main (c0c2b89) will increase coverage by 0.15%.
Report is 8 commits behind head on main.
The diff coverage is 86.84%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7837      +/-   ##
==========================================
+ Coverage   48.72%   48.88%   +0.15%     
==========================================
  Files         151      151              
  Lines       16265    16339      +74     
==========================================
+ Hits         7925     7987      +62     
- Misses       7377     7388      +11     
- Partials      963      964       +1     

[saschagrunert]

/unhold

ready for review.

[saschagrunert]

Added a cache max age. @cri-o/cri-o-maintainers @kwilczynski PTAL again

[saschagrunert]

/override ci/prow/ci-cgroupv2-integration

[openshift-ci]

@saschagrunert: Overrode contexts on behalf of saschagrunert: ci/prow/ci-cgroupv2-integration

In response to this:

/override ci/prow/ci-cgroupv2-integration

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[saschagrunert]

/retest

[kwilczynski]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kwilczynski, saschagrunert

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [saschagrunert]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[kwilczynski]

/remove-label release-note-none
/release-note-edit release-note Add OCI artifact layer cache to avoid repeatedly pulling the same container image.

[openshift-ci]

@kwilczynski: The label(s) /remove-label release-note-none cannot be applied. These labels are supported: acknowledge-critical-fixes-only, platform/aws, platform/azure, platform/baremetal, platform/google, platform/libvirt, platform/openstack, ga, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, px-approved, docs-approved, qe-approved, no-qe, downstream-change-needed, rebase/manual, cluster-config-api-changed, approved, backport-risk-assessed, bugzilla/valid-bug, cherry-pick-approved, jira/valid-bug, staff-eng-approved. Is this label configured under labels -> additional_labels or labels -> restricted_labels in plugin.yaml?

In response to this:

/remove-label release-note-none
/release-note-edit release-note Add OCI artifact layer cache to avoid repeatedly pulling the same container image.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[kwilczynski]

/release-note-edit release-note Add OCI artifact layer cache to avoid repeatedly pulling the same container image.

@saschagrunert, not sure why bot does not seem to do what I ask. 🙂

If you could help me out here. Thank you!

[saschagrunert]

Done 👍

[kwilczynski]

/retest-required