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HADOOP-11071. KMSClientProvider should drain the local generated EEK cache on key rollover. (tucu)

This commit is contained in:
Alejandro Abdelnur 2014-09-08 10:12:16 -07:00
parent c1f8323234
commit df8c84cba8
7 changed files with 88 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -771,6 +771,9 @@ Release 2.6.0 - UNRELEASED
HADOOP-11073. Credential Provider related Unit Tests Failure on Windows.
(Xiaoyu Yao via cnauroth)
HADOOP-11071. KMSClientProvider should drain the local generated EEK cache
on key rollover. (tucu)
Release 2.5.1 - UNRELEASED
INCOMPATIBLE CHANGES

11
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderCryptoExtension.java
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@ -178,6 +178,13 @@ public interface CryptoExtension extends KeyProviderExtension.Extension {
public void warmUpEncryptedKeys(String... keyNames)
throws IOException;
/**
* Drains the Queue for the provided key.
*
* @param keyName the key to drain the Queue for
*/
public void drain(String keyName);
/**
* Generates a key material and encrypts it using the given key version name
* and initialization vector. The generated key material is of the same
@ -313,6 +320,10 @@ public void warmUpEncryptedKeys(String... keyNames)
// NO-OP since the default version does not cache any keys
}
@Override
public void drain(String keyName) {
// NO-OP since the default version does not cache any keys
}
}
/**

9
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/KMSClientProvider.java
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@ -590,7 +590,9 @@ private KeyVersion rollNewVersionInternal(String name, byte[] material)
conn.setRequestProperty(CONTENT_TYPE, APPLICATION_JSON_MIME);
Map response = call(conn, jsonMaterial,
HttpURLConnection.HTTP_OK, Map.class);
return parseJSONKeyVersion(response);
KeyVersion keyVersion = parseJSONKeyVersion(response);
encKeyVersionQueue.drain(name);
return keyVersion;
}
@ -712,6 +714,11 @@ public void warmUpEncryptedKeys(String... keyNames)
}
}
@Override
public void drain(String keyName) {
encKeyVersionQueue.drain(keyName);
}
@Override
public Token<?>[] addDelegationTokens(String renewer,
Credentials credentials) throws IOException {

13
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
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@ -227,6 +227,19 @@ public E getNext(String keyName)
return getAtMost(keyName, 1).get(0);
}
/**
* Drains the Queue for the provided key.
*
* @param keyName the key to drain the Queue for
*/
public void drain(String keyName ) {
try {
keyQueues.get(keyName).clear();
} catch (ExecutionException ex) {
//NOP
}
}
/**
* This removes the "num" values currently at the head of the Queue for the
* provided key. Will immediately fire the Queue filler function if key

14
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestValueQueue.java
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@ -187,4 +187,18 @@ public void testgetAtMostPolicyLOW_WATERMARK() throws Exception {
Assert.assertEquals(10, filler.getTop().num);
vq.shutdown();
}
@Test
public void testDrain() throws Exception {
MockFiller filler = new MockFiller();
ValueQueue<String> vq =
new ValueQueue<String>(10, 0.1f, 300, 1,
SyncGenerationPolicy.ALL, filler);
Assert.assertEquals("test", vq.getNext("k1"));
Assert.assertEquals(1, filler.getTop().num);
vq.drain("k1");
Assert.assertNull(filler.getTop());
vq.shutdown();
}
}

22
hadoop-common-project/hadoop-kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java
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@ -20,6 +20,7 @@
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.NoSuchAlgorithmException;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
@ -27,6 +28,7 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
import org.apache.hadoop.crypto.key.kms.ValueQueue;
import org.apache.hadoop.crypto.key.kms.ValueQueue.SyncGenerationPolicy;
@ -112,6 +114,11 @@ public void warmUpEncryptedKeys(String... keyNames) throws
}
}
@Override
public void drain(String keyName) {
encKeyVersionQueue.drain(keyName);
}
@Override
public EncryptedKeyVersion generateEncryptedKey(String encryptionKeyName)
throws IOException, GeneralSecurityException {
@ -146,4 +153,19 @@ public EagerKeyGeneratorKeyProviderCryptoExtension(Configuration conf,
new CryptoExtension(conf, keyProviderCryptoExtension));
}
@Override
public KeyVersion rollNewVersion(String name)
throws NoSuchAlgorithmException, IOException {
KeyVersion keyVersion = super.rollNewVersion(name);
getExtension().drain(name);
return keyVersion;
}
@Override
public KeyVersion rollNewVersion(String name, byte[] material)
throws IOException {
KeyVersion keyVersion = super.rollNewVersion(name, material);
getExtension().drain(name);
return keyVersion;
}
}

17
hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMS.java
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@ -531,6 +531,7 @@ public Void call() throws Exception {
Assert.assertEquals("d", meta.getDescription());
Assert.assertEquals(attributes, meta.getAttributes());
// test delegation token retrieval
KeyProviderDelegationTokenExtension kpdte =
KeyProviderDelegationTokenExtension.
createKeyProviderDelegationTokenExtension(kp);
@ -542,6 +543,22 @@ public Void call() throws Exception {
Assert.assertEquals(new Text("kms-dt"), credentials.getToken(
SecurityUtil.buildTokenService(kmsAddr)).getKind());
// test rollover draining
KeyProviderCryptoExtension kpce = KeyProviderCryptoExtension.
createKeyProviderCryptoExtension(kp);
options = new KeyProvider.Options(conf);
options.setCipher("AES/CTR/NoPadding");
options.setBitLength(128);
kpce.createKey("k6", options);
EncryptedKeyVersion ekv1 = kpce.generateEncryptedKey("k6");
kpce.rollNewVersion("k6");
EncryptedKeyVersion ekv2 = kpce.generateEncryptedKey("k6");
Assert.assertNotEquals(ekv1.getEncryptionKeyVersionName(),
ekv2.getEncryptionKeyVersionName());
return null;
}
});