[release-1.31] add node-internal-dns/node-external-dns address pass-through support …

[brandond]

Proposed Changes

• Backport add node-internal-dns/node-external-dns address pass-through support #10852
  Add support for setting NodeInternalDNS and NodeExternalDNS addresses via stub cloud provider

Types of Changes

enhancement

Verification

k3s server --node-external-dns node.example.com

now yields:

As you can see it correctly sets the ExternalDNS address.

Testing

Linked Issues

• [Release-1.31] - Support for NodeExternalDNS #10854

User-Facing Change

Further Comments

[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 20 lines in your changes missing coverage. Please review.

Project coverage is 43.30%. Comparing base (b62f474) to head (3488239).
Report is 1 commits behind head on release-1.31.

Files with missing lines	Patch %	Lines
pkg/cloudprovider/instances.go	0.00%	6 Missing and 2 partials ⚠️
pkg/agent/config/config.go	50.00%	4 Missing and 2 partials ⚠️
pkg/agent/run.go	40.00%	2 Missing and 4 partials ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.31   #11464      +/-   ##
================================================
- Coverage         47.64%   43.30%   -4.34%     
================================================
  Files               181      181              
  Lines             18752    18784      +32     
================================================
- Hits               8934     8135     -799     
- Misses             8486     9449     +963     
+ Partials           1332     1200     -132     

Flag	Coverage Δ
e2etests	35.40% <37.50%> (-7.57%)	⬇️
inttests	34.79% <37.50%> (+16.06%)	⬆️
unittests	14.27% <0.00%> (-0.02%)	⬇️

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