soarez commented on code in PR #12727:
URL: https://github.com/apache/kafka/pull/12727#discussion_r990671188
##########
core/src/main/scala/kafka/server/ZkAdminManager.scala:
##########
@@ -779,8 +780,30 @@ class ZkAdminManager(val config: KafkaConfig,
}
}
}
- if (!validateOnly)
+ if (!validateOnly) {
adminZkClient.changeConfigs(configType, path, props)
+ if (props.isEmpty) {
+ // try to clean empty quota nodes
+ val currPath = ConfigEntityZNode.path(configType, path)
+ if (zkClient.getChildren(currPath).isEmpty) {
+ var pathToDelete = currPath
+ if (userClientQuota) {
+ val clientsPath = ConfigEntityZNode.path(ConfigType.User,
userOpt.get + "/" + ConfigType.Client)
+ val clientsChildren = zkClient.getChildren(clientsPath)
+ if (clientsChildren.size == 1 &&
clientsChildren.head.equals(clientIdOpt.get)) {
+ pathToDelete = clientsPath
+ val userData =
adminZkClient.fetchEntityConfig(ConfigType.User, userOpt.get)
+ val userPath = ConfigEntityZNode.path(ConfigType.User,
userOpt.get)
+ val userChildren = zkClient.getChildren(userPath)
+ if (userData.isEmpty && userChildren.size == 1 &&
userChildren.head.equals(ConfigType.Client)) {
+ pathToDelete = userPath
+ }
+ }
+ }
+ zkClient.deletePath(pathToDelete)
+ }
+ }
+ }
Review Comment:
It seems to me that `ZkAdminManager` is not the right place for this logic,
it might make more sense to have this in `AdminZkClient`, perhaps in
`hangeConfigs()` or `changeUserOrUserClientIdConfig()`. WDYT?
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