HDFS-10879. TestEncryptionZonesWithKMS#testReadWrite fails intermittently. Contributed by Xiao Chen.

This commit is contained in:
Xiao Chen 2016-09-20 16:52:05 -07:00
parent e80386d69d
commit 0e918dff59

View File

@ -45,7 +45,9 @@
import org.apache.hadoop.crypto.CryptoProtocolVersion;
import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
import org.apache.hadoop.crypto.key.KeyProviderFactory;
import org.apache.hadoop.crypto.key.kms.server.EagerKeyGeneratorKeyProviderCryptoExtension;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FSDataOutputStream;
@ -734,14 +736,33 @@ public void testReadWrite() throws Exception {
// Roll the key of the encryption zone
assertNumZones(1);
String keyName = dfsAdmin.listEncryptionZones().next().getKeyName();
FileEncryptionInfo feInfo1 = getFileEncryptionInfo(encFile1);
cluster.getNamesystem().getProvider().rollNewVersion(keyName);
/**
* due to the cache on the server side, client may get old keys.
* @see EagerKeyGeneratorKeyProviderCryptoExtension#rollNewVersion(String)
*/
boolean rollSucceeded = false;
for (int i = 0; i <= EagerKeyGeneratorKeyProviderCryptoExtension
.KMS_KEY_CACHE_SIZE_DEFAULT + CommonConfigurationKeysPublic.
KMS_CLIENT_ENC_KEY_CACHE_SIZE_DEFAULT; ++i) {
KeyProviderCryptoExtension.EncryptedKeyVersion ekv2 =
cluster.getNamesystem().getProvider().generateEncryptedKey(TEST_KEY);
if (!(feInfo1.getEzKeyVersionName()
.equals(ekv2.getEncryptionKeyVersionName()))) {
rollSucceeded = true;
break;
}
}
Assert.assertTrue("rollover did not generate a new key even after"
+ " queue is drained", rollSucceeded);
// Read them back in and compare byte-by-byte
verifyFilesEqual(fs, baseFile, encFile1, len);
// Write a new enc file and validate
final Path encFile2 = new Path(zone, "myfile2");
DFSTestUtil.createFile(fs, encFile2, len, (short) 1, 0xFEED);
// FEInfos should be different
FileEncryptionInfo feInfo1 = getFileEncryptionInfo(encFile1);
FileEncryptionInfo feInfo2 = getFileEncryptionInfo(encFile2);
assertFalse("EDEKs should be different", Arrays
.equals(feInfo1.getEncryptedDataEncryptionKey(),