Block IPVS on 1.23 clusters running Canal/Calico CNI #1695
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Signed-off-by: Marko Mudrinić <mudrinic.mare@gmail.com>
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: xmudrii The full list of commands accepted by this bot can be found here. The pull request process is described here
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Dec 17, 2021
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LGTM label has been added. Git tree hash: b616cbf47ba9caf799a98898c8a68e51e1643cd7
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What this PR does / why we need it:
Canal and Calico VXLAN CNIs are not working when kube-proxy is used in the IPVS mode. This is a known issue and more details can be found here: projectcalico/calico#5011
Because of that, this PR adds validation to reject IPVS on Kubernetes 1.23 clusters using Canal or Calico VXLAN addon.
Which issue(s) this PR fixes (optional, in
fixes #<issue number>(, fixes #<issue_number>, ...)format, will close the issue(s) when PR gets merged):xref #1670
Does this PR introduce a user-facing change?:
/assign @kron4eg