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HDFS-10516. Fix bug when warming up EDEK cache of more than one encryption zone. Contributed by Xiao Chen. 

(cherry picked from commit 709a814fe0)
(cherry picked from commit ff4466fe15)
This commit is contained in:
Andrew Wang 2016-06-13 11:50:19 -07:00
parent 08ff8d7482
commit 56e29d2711
3 changed files with 10 additions and 2 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionZoneManager.java
View File

@ -417,7 +417,7 @@ String[] getKeyNames() {
int index = 0;
for (Map.Entry<Long, EncryptionZoneInt> entry : encryptionZones
.entrySet()) {
ret[index] = entry.getValue().getKeyName();
ret[index++] = entry.getValue().getKeyName();
}
return ret;
}

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirEncryptionZoneOp.java
View File

@ -370,6 +370,9 @@ public void run() {
} else {
NameNode.LOG.debug("Failed to warm up EDEKs.", ioe);
}
} catch (Exception e) {
NameNode.LOG.error("Cannot warm up EDEKs.", e);
throw e;
}
try {
Thread.sleep(retryInterval);

7
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesWithKMS.java
View File

@ -100,9 +100,14 @@ public void testDelegationToken() throws Exception {
@Test(timeout = 120000)
public void testWarmupEDEKCacheOnStartup() throws Exception {
final Path zonePath = new Path("/TestEncryptionZone");
Path zonePath = new Path("/TestEncryptionZone");
fsWrapper.mkdir(zonePath, FsPermission.getDirDefault(), false);
dfsAdmin.createEncryptionZone(zonePath, TEST_KEY, NO_TRASH);
final String anotherKey = "k2";
zonePath = new Path("/TestEncryptionZone2");
DFSTestUtil.createKey(anotherKey, cluster, conf);
fsWrapper.mkdir(zonePath, FsPermission.getDirDefault(), false);
dfsAdmin.createEncryptionZone(zonePath, anotherKey, NO_TRASH);
@SuppressWarnings("unchecked")
KMSClientProvider spy = (KMSClientProvider) Whitebox