fix: Default to TCP protocol when proto empty

hrak · hrak · commit 5e06350827ee · 2026-03-20T12:16:40.000+01:00
When createLoadBalancerRule is called with an empty protocol,
the API will return the loadbalancerrule without a protocol
field defined when calling listLoadBalancerRules.

CloudStack appears to default to TCP in this case, but this
is not reflected in listLoadBalancerRulesResponse
diff --git a/cloudstack/protocol.go b/cloudstack/protocol.go
@@ -101,6 +101,8 @@ func ProtocolFromServicePort(port corev1.ServicePort, service *corev1.Service) L
 // CloudStack load balancer protocol name.
 func ProtocolFromLoadBalancer(protocol string) LoadBalancerProtocol {
 	switch protocol {
+	case "":
+		fallthrough
 	case ProtoTCP:
 		return LoadBalancerProtocolTCP
 	case ProtoUDP:
