kubernetes-1.31: Add kube-proxy-default-compat subpackage.

[wlynch]

kube-proxy deployments assume the binary sits at
/usr/local/bin/kube-proxy (see
https://github.com/kubernetes/kubernetes/blob/a35bca903e24ea3cdbecb743c001b4c8f4db9e9c/cmd/kubeadm/app/phases/addons/proxy/manifests.go#L79). This adds a compat package based off of kube-proxy-default (which installs the binary at /usr/bin/kube-proxy) to add a symlink to /usr/local/bin.

Related: https://github.com/chainguard-dev/image-requests/issues/3667

[wlynch]

cc @Aditvil-Dev - saw you were also looking at kube-proxy

[Aditvil-Dev]

Need to bump CVEs.
Also, can you make these changes across all enterprises packages as well.

[wlynch]

yup! i'll get a enterprise PR open after this one

[Aditvil-Dev]

• name: kube-proxy-compat-${{vars.kubernetes-version}}
  dependencies:
  runtime:
  - kube-proxy-${{vars.kubernetes-version}}
  pipeline:
  - runs: |
  mkdir -p ${{targets.subpkgdir}}/usr/local/bin
  # kube-proxy deployments usually use /usr/local/bin/kube-proxy
  # See https://github.com/kubernetes/kubernetes/blob/a35bca903e24ea3cdbecb743c001b4c8f4db9e9c/cmd/kubeadm/app/phases/addons/proxy/manifests.go#L79
  ln -s usr/bin/kube-proxy ${{targets.subpkgdir}}/usr/local/bin/kube-proxy
  test:
  pipeline:
  - runs: stat /usr/local/bin/kube-proxy

[Aditvil-Dev]

Can you also add that to the kubernetes-${{vars.kubernetes-version}}-default subpackage as well.

[wlynch]

name: kube-proxy-compat-${{vars.kubernetes-version}}

Done, though kube-proxy-${{vars.kubernetes-version}}-default-compat to match other package naming conventions.

Can you also add that to the kubernetes-${{vars.kubernetes-version}}-default subpackage as well.

I don't think we want to? kubernetes-${{vars.kubernetes-version}}-default configures it's own set of symlinks in /usr/bin. This is specifically for kube-proxy where the common config defaults to /usr/local/bin.

I could maybe see making a kubernetes-${{vars.kubernetes-version}}-default-compat package if there are other components that need something similar. I know kube-apiserver does not, I don't know about the others.

[Aditvil-Dev]

Reopend a new PR: #30447