jerqi commented on code in PR #9569:
URL: https://github.com/apache/gravitino/pull/9569#discussion_r2659511205
##########
catalogs/hadoop-common/src/main/java/org/apache/gravitino/catalog/hadoop/fs/HDFSFileSystemProxy.java:
##########
@@ -148,46 +143,41 @@ public Object intercept(Object o, Method method, Object[]
objects, MethodProxy m
}
}
- /** Schedule periodic Kerberos re-login to refresh TGT before expiry. */
- private void startKerberosRenewalTask(String principal) {
- kerberosRenewExecutor =
- Executors.newSingleThreadScheduledExecutor(
- r -> {
- Thread t = new Thread(r, "HDFSFileSystemProxy
Kerberos-Renewal-Thread");
- t.setDaemon(true);
- return t;
- });
-
- kerberosRenewExecutor.scheduleAtFixedRate(
- () -> {
- try {
- if (ugi.hasKerberosCredentials()) {
- ugi.checkTGTAndReloginFromKeytab();
- }
- } catch (Exception e) {
- LOG.error(
- "[Kerberos] Failed to renew TGT for principal {}: {}",
- principal,
- e.getMessage(),
- e);
- }
- },
- DEFAULT_RENEW_INTERVAL_MS,
- DEFAULT_RENEW_INTERVAL_MS,
- TimeUnit.MILLISECONDS);
+ @SuppressWarnings("removal")
+ public static Principal getCurrentPrincipal() {
+ java.security.AccessControlContext context =
java.security.AccessController.getContext();
+ Subject subject = Subject.getSubject(context);
+ if (subject == null ||
subject.getPrincipals(UserPrincipal.class).isEmpty()) {
+ return null;
+ }
+ return subject.getPrincipals(UserPrincipal.class).iterator().next();
}
- /** Close the Kerberos renewal executor service to prevent resource leaks. */
- private void close() {
- if (kerberosRenewExecutor != null) {
- kerberosRenewExecutor.shutdownNow();
- kerberosRenewExecutor = null;
+ private UserGroupInformation getCurrentUgi() throws Exception {
+ UserGroupInformation currentUgi = UserGroupInformation.getLoginUser();
Review Comment:
LoginUser isn't equal to current user.
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