[BPF] use FelixConfiguration.CgroupV2Path to set CALICO_CGROUP_PATH

[tomastigera]

Read the CgroupV2Path value from FelixConfiguration and set it as env var for the mount-bpffs node's init container.

fixes projectcalico/calico#7892

Description

For PR author

• Tests for change.
• If changing pkg/apis/, run make gen-files
• If changing versions, run make gen-versions

For PR reviewers

A note for code reviewers - all pull requests must have the following:

• Milestone set according to targeted release.
• Appropriate labels:
  • kind/bug if this is a bugfix.
  • kind/enhancement if this is a a new feature.
  • enterprise if this PR applies to Calico Enterprise only.

[agmimidi]

Hi all,

Thanks for looking into this issue! Do you know if this is still scheduled for release 1.34.0 of the operator?
From what I can see support from Calico is already there. We are running on Talos OS and would really like to enable eBPF soon on our clusters.