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HADOOP-11054. Add a KeyProvider instantiation based on a URI. (tucu)

This commit is contained in:
Alejandro Abdelnur 2014-09-04 09:08:31 -07:00
parent 8f1a668575
commit 41f1662d46
3 changed files with 41 additions and 10 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -496,6 +496,8 @@ Release 2.6.0 - UNRELEASED
HADOOP-10863. KMS should have a blacklist for decrypting EEKs.
(asuresh via tucu)
HADOOP-11054. Add a KeyProvider instantiation based on a URI. (tucu)
OPTIMIZATIONS
HADOOP-10838. Byte array native checksumming. (James Thomas via todd)

36
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderFactory.java
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@ -63,16 +63,10 @@ public abstract class KeyProviderFactory {
for(String path: conf.getStringCollection(KEY_PROVIDER_PATH)) {
try {
URI uri = new URI(path);
boolean found = false;
for(KeyProviderFactory factory: serviceLoader) {
KeyProvider kp = factory.createProvider(uri, conf);
if (kp != null) {
result.add(kp);
found = true;
break;
}
}
if (!found) {
KeyProvider kp = get(uri, conf);
if (kp != null) {
result.add(kp);
} else {
throw new IOException("No KeyProviderFactory for " + uri + " in " +
KEY_PROVIDER_PATH);
}
@ -83,4 +77,26 @@ public abstract class KeyProviderFactory {
}
return result;
}
/**
* Create a KeyProvider based on a provided URI.
*
* @param uri key provider URI
* @param conf configuration to initialize the key provider
* @return the key provider for the specified URI, or <code>NULL</code> if
* a provider for the specified URI scheme could not be found.
* @throws IOException thrown if the provider failed to initialize.
*/
public static KeyProvider get(URI uri, Configuration conf)
throws IOException {
KeyProvider kp = null;
for (KeyProviderFactory factory : serviceLoader) {
kp = factory.createProvider(uri, conf);
if (kp != null) {
break;
}
}
return kp;
}
}

13
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyProviderFactory.java
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@ -357,4 +357,17 @@ public class TestKeyProviderFactory {
}
}
@Test
public void testGetProviderViaURI() throws Exception {
Configuration conf = new Configuration(false);
URI uri = new URI(JavaKeyStoreProvider.SCHEME_NAME + "://file" + tmpDir +
"/test.jks");
KeyProvider kp = KeyProviderFactory.get(uri, conf);
Assert.assertNotNull(kp);
Assert.assertEquals(JavaKeyStoreProvider.class, kp.getClass());
uri = new URI("foo://bar");
kp = KeyProviderFactory.get(uri, conf);
Assert.assertNull(kp);
}
}