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plugin/kubernetes: short-circuit matchPortAndProtocol and fast-path string match (#8344)

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Signed-off-by: Manuel Rüger <manuel@rueg.eu>
This commit is contained in:
Manuel Rüger
2026-07-30 03:38:04 +02:00
committed by GitHub
parent 951f146c68
commit 03260d5b67
1 changed files with 4 additions and 1 deletions
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5
plugin/kubernetes/kubernetes.go
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@@ -683,12 +683,15 @@ func (k *Kubernetes) isMultiClusterZone(zone string) bool {
// match checks if a and b are equal. // match checks if a and b are equal.
func match(a, b string) bool { func match(a, b string) bool {
if a == b {
return true
}
return strings.EqualFold(a, b) return strings.EqualFold(a, b)
} }
// matchPortAndProtocol matches port and protocol, permitting the 'a' inputs to be wild // matchPortAndProtocol matches port and protocol, permitting the 'a' inputs to be wild
func matchPortAndProtocol(aPort, bPort, aProtocol, bProtocol string) bool { func matchPortAndProtocol(aPort, bPort, aProtocol, bProtocol string) bool {
return (match(aPort, bPort) || aPort == "") && (match(aProtocol, bProtocol) || aProtocol == "") return (aPort == "" || match(aPort, bPort)) && (aProtocol == "" || match(aProtocol, bProtocol))
} }
const coredns = "c" // used as a fake key prefix in msg.Service const coredns = "c" // used as a fake key prefix in msg.Service