steveloughran commented on a change in pull request #2178:
URL: https://github.com/apache/hadoop/pull/2178#discussion_r463232170
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
##########
@@ -528,6 +528,10 @@ private HadoopLoginContext getLogin() {
private void setLogin(LoginContext login) {
user.setLogin(login);
}
+
+ private void setLastLogin(long now) {
Review comment:
add javadoc, note unit of time. Milliseconds, right?
##########
File path:
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGILoginFromKeytab.java
##########
@@ -100,13 +101,34 @@ public void stopMiniKdc() {
executor.shutdownNow();
}
}
+
+ /**
+ * Login from keytab using the MiniKDC
+ */
+ @Test
+ public void testUGILoginFromKeytab() throws Exception {
+ long beforeLogin = Time.now();
+ String principal = "foo";
+ File keytab = new File(workDir, "foo.keytab");
+ kdc.createPrincipal(keytab, principal);
+
+ UserGroupInformation.loginUserFromKeytab(principal, keytab.getPath());
+ UserGroupInformation ugi = UserGroupInformation.getLoginUser();
+ Assert.assertTrue("UGI should be configured to login from keytab",
+ ugi.isFromKeytab());
+
+ User user = getUser(ugi.getSubject());
+ Assert.assertNotNull(user.getLogin());
+ Assert.assertTrue("User last login time is not set correctly",
Review comment:
error text should include the values at fault, so we can debug better
from nothing but a junit report
##########
File path:
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGILoginFromKeytab.java
##########
@@ -121,6 +143,9 @@ public void testUGILoginFromKeytab() throws Exception {
final long firstLogin = user.getLastLogin();
final LoginContext login1 = user.getLogin();
Assert.assertNotNull(login1);
+
+ // Sleep for 1 sec to have a difference between first and second login
+ Thread.sleep(1000);
Review comment:
if you really want >1s of interval, make it a 2s, delay. There's too
much risk of clock/sleep granularity issues
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