kubeovn / kube-ovn / 23225776628

23%

Build Type

push

github

Committed by web-flow

Commit Message

fix(daemon): race condition between setExGateway and configProviderNic (#6469)

setExGateway uses `port-to-br` to check whether a provider network is
using the external bridge. However, configProviderNic transfers addresses
before calling `add-port`, creating a window where `port-to-br` fails
and setExGateway mistakenly deletes the bridge. This causes permanent
IP address loss on the bridge since the retry finds no addresses left
on the original NIC to transfer.

Replace the OVS runtime check with a declarative bridge name match
derived from the ProviderNetwork CR, which exists in the informer
cache before the bridge is created and eliminates the race window.

Signed-off-by: Mengxin Liu <liumengxinfly@gmail.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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