kubeovn / kube-ovn / 27260652328

24%

master: 27%

Build Type

push

github

Committed by oilbeater

Commit Message

fix(controller): avoid nil queue panic in DNS name resolver handlers (#6845)

When the controller starts with --enable-dns-name-resolver=true but
--enable-anp=false, updateAnpQueue and updateCnpQueue are never
constructed. Any DNSNameResolver CR carrying the "anp" label (e.g. left
over from a period when ANP was enabled) then drives
handleAddOrUpdateDNSNameResolver/handleDeleteDNSNameResolver into
calling Add on a nil workqueue, which panics the whole controller
process and forms a crash loop on every restart.

Skip the handlers when ANP support is disabled and warn at startup
about the ineffective configuration.

Signed-off-by: Mengxin Liu <liumengxinfly@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
(cherry picked from commit 4d9089020)

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10 of 13 new or added lines in 2 files covered. (76.92%)

2 existing lines in 1 file now uncovered.

13339 of 54907 relevant lines covered (24.29%)

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