pan3793 commented on code in PR #7431:
URL: https://github.com/apache/kyuubi/pull/7431#discussion_r3467121108
##########
externals/kyuubi-data-agent-engine/src/main/java/org/apache/kyuubi/engine/dataagent/provider/chatcompletion/ChatCompletionProvider.java:
##########
@@ -118,18 +118,46 @@ private static DataSource attachJdbcDataSource(
if (jdbcUrl == null) {
return null;
}
- LOG.info("Data Agent JDBC URL configured ({})",
jdbcUrl.replaceAll("//.*@", "//<redacted>@"));
-
- String sessionUser =
- ConfUtils.optionalString(conf,
KyuubiReservedKeys.KYUUBI_SESSION_USER_KEY());
+ JdbcDialect dialect = JdbcDialect.fromUrl(jdbcUrl);
+ if (dialect == null) {
+ throw new IllegalArgumentException(
+ "Invalid " + KyuubiConf.ENGINE_DATA_AGENT_JDBC_URL().key());
+ }
+ LOG.info("Data Agent JDBC datasource configured ({})",
dialect.datasourceName());
+
+ // For Kyuubi/HiveServer2 backends, pass the session user for proxy-user
impersonation —
+ // but only when the URL does not already carry explicit credentials,
because URL-supplied
+ // credentials should win (some users pass credentials via session
variables).
+ String subprotocol = JdbcDialect.extractSubprotocol(jdbcUrl);
+ boolean isKyuubiBackend = "kyuubi".equals(subprotocol) ||
"hive2".equals(subprotocol);
+ String hikariUser = null;
+ if (isKyuubiBackend && !hasKyuubiUrlCredentials(jdbcUrl)) {
+ hikariUser = ConfUtils.optionalString(conf,
KyuubiReservedKeys.KYUUBI_SESSION_USER_KEY());
+ }
- DataSource ds = DataSourceFactory.create(jdbcUrl, sessionUser);
+ DataSource ds = DataSourceFactory.create(jdbcUrl, hikariUser);
Review Comment:
@wangzhigang1999 as a temporary workaround, we can ban Kerberos auth to
unblock this PR
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