mdedetrich commented on code in PR #11478:
URL: https://github.com/apache/kafka/pull/11478#discussion_r923366063
##########
core/src/main/scala/kafka/utils/CoreUtils.scala:
##########
@@ -252,16 +255,62 @@ object CoreUtils {
listenerListToEndPoints(listeners, securityProtocolMap, true)
}
+ def validateOneIsIpv4AndOtherIpv6(first: String, second: String): Boolean =
+ (inetAddressValidator.isValidInet4Address(first) &&
inetAddressValidator.isValidInet6Address(second)) ||
+ (inetAddressValidator.isValidInet6Address(first) &&
inetAddressValidator.isValidInet4Address(second))
+
+ def checkDuplicateListenerNames(endpoints: Seq[EndPoint], listeners:
String): Unit = {
+ val distinctListenerNames = endpoints.map(_.listenerName).distinct
+ require(distinctListenerNames.size == endpoints.size, s"Each listener must
have a different name unless you have exactly " +
+ s"one listener on IPv4 and the other IPv6 on the same port, listeners:
$listeners")
+ }
+
+ def checkDuplicateListenerPorts(endpoints: Seq[EndPoint], listeners:
String): Unit = {
+ val distinctPorts = endpoints.map(_.port).distinct
+ require(distinctPorts.size == endpoints.map(_.port).size, s"Each listener
must have a different port, listeners: $listeners")
+ }
+
def listenerListToEndPoints(listeners: String, securityProtocolMap:
Map[ListenerName, SecurityProtocol], requireDistinctPorts: Boolean):
Seq[EndPoint] = {
def validate(endPoints: Seq[EndPoint]): Unit = {
- // filter port 0 for unit tests
- val portsExcludingZero = endPoints.map(_.port).filter(_ != 0)
- val distinctListenerNames = endPoints.map(_.listenerName).distinct
-
- require(distinctListenerNames.size == endPoints.size, s"Each listener
must have a different name, listeners: $listeners")
- if (requireDistinctPorts) {
- val distinctPorts = portsExcludingZero.distinct
- require(distinctPorts.size == portsExcludingZero.size, s"Each listener
must have a different port, listeners: $listeners")
+ // Exception case, lets allow duplicate ports if the host is on IPv4 and
the other is on IPv6
Review Comment:
Moved it to where you suggested, let me know if it corresponds to what you
had in mind.
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