Re: [PR] [WIP]KAFKA-18896 add KIP-877 support for Login [kafka]

["m1a2st (via GitHub)" <gi...@apache.org>]

m1a2st commented on code in PR #19527:
URL: https://github.com/apache/kafka/pull/19527#discussion_r2336660317


##########
clients/src/main/java/org/apache/kafka/common/security/authenticator/LoginManager.java:
##########
@@ -53,20 +56,30 @@ public class LoginManager {
     // dynamic configs (broker or client)
     private static final Map<LoginMetadata<Password>, LoginManager> DYNAMIC_INSTANCES = new HashMap<>();
 
-    private final Login login;
+    private final Plugin<Login> loginPlugin;
     private final LoginMetadata<?> loginMetadata;
     private final AuthenticateCallbackHandler loginCallbackHandler;
     private int refCount;
 
-    private LoginManager(JaasContext jaasContext, String saslMechanism, Map<String, ?> configs,
-                 LoginMetadata<?> loginMetadata) throws LoginException {
+    private LoginManager(
+        JaasContext jaasContext, 
+        String saslMechanism, 
+        Map<String, ?> configs,
+        LoginMetadata<?> loginMetadata,
+        ConnectionMode connectionMode,
+        Metrics metrics
+    ) throws LoginException {
         this.loginMetadata = loginMetadata;
-        this.login = Utils.newInstance(loginMetadata.loginClass);
+        Login login = Utils.newInstance(loginMetadata.loginClass);
+        if (connectionMode == ConnectionMode.SERVER)  
+            this.loginPlugin = Plugin.wrapInstance(login, metrics, SaslConfigs.SASL_LOGIN_CLASS, "mechanism", saslMechanism);

Review Comment:
   Gentle ping @mimaison 



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