[release-1.12] Cherry-pick Fix coredns network policies. #3163
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Now they allow traffic from the Pod network. This is needed because traffic might come from the calico tunnel IP which is part of the Pod network. Before this, Pods with `hostNetwork: true` and `dnsPolicy: ClusterFirstWithHostNet` could not talk to coredns if they are running on a different Node than CoreDNS.
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@mvladev Label area/neworking does not exist. |
gardener-robot
added
kind/bug
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/assign @schrodit |
schrodit
approved these changes
Nov 16, 2020
gardener-robot
added
priority/3
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How to categorize this PR?
/area neworking
/kind bug
/priority normal
What this PR does / why we need it:
Now they allow traffic from the Pod network. This is needed because traffic might come from the calico tunnel IP which is part of the Pod network.
Before this, Pods with
hostNetwork: trueanddnsPolicy: ClusterFirstWithHostNetcould not talk to coredns if they are running on a different Node than CoreDNS.Which issue(s) this PR fixes:
n/a
Special notes for your reviewer:
Cherry-pick of #3162
Release note: