liuml07 commented on a change in pull request #2249:
URL: https://github.com/apache/hadoop/pull/2249#discussion_r477613166
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File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
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@@ -1232,7 +1232,29 @@ public void reloginFromKeytab() throws IOException {
reloginFromKeytab(false);
}
+ /**
+ * Force re-Login a user in from a keytab file irrespective of the last login
+ * time. Loads a user identity from a keytab file and logs them in. They
+ * become the currently logged-in user. This method assumes that
+ * {@link #loginUserFromKeytab(String, String)} had happened already. The
+ * Subject field of this UserGroupInformation object is updated to have the
+ * new credentials.
+ *
+ * @throws IOException
+ * @throws KerberosAuthException on a failure
+ */
+ @InterfaceAudience.Public
+ @InterfaceStability.Evolving
+ public void forceReloginFromKeytab() throws IOException {
+ reloginFromKeytab(false, true);
+ }
+
private void reloginFromKeytab(boolean checkTGT) throws IOException {
+ reloginFromKeytab(checkTGT, false);
+ }
+
+ private void reloginFromKeytab(boolean checkTGT, boolean ignoreTimeElapsed)
Review comment:
nit: add javadoc for this method, OR name `ignoreTimeElapsed` with
`ignoreLastLoginTime` to make it a bit clearer?
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