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Validate resolv.conf for presence of nameserver entries
Signed-off-by: linxin [email protected]
Proposed Changes
Validate resolv.conf for presence of nameserver entries
Adding this validation is necessary to prevent the scenario where not having any upstream is considered invalid.
Types of Changes
New Feature
Verification
Create a resolv.conf without a nameserver and start k3s. If coredns can run, or any pod using the default DNS policy has a resolv.conf with nameserver 8.8.8.8, it means the proposed changes are correct.
Testing
Linked Issues
#9874