Examples with ValueQueue org.apache.hadoop.crypto.key.kms.ValueQueue used on opensource projects

Example 1 with ValueQueue

use of org.apache.hadoop.crypto.key.kms.ValueQueue in project hadoop by apache.

the class TestKMS method testKMSProviderCaching.

@Test
public void testKMSProviderCaching() throws Exception {
    Configuration conf = new Configuration();
    File confDir = getTestDir();
    conf = createBaseKMSConf(confDir, conf);
    conf.set(KeyAuthorizationKeyProvider.KEY_ACL + "k1.ALL", "*");
    writeConf(confDir, conf);
    runServer(null, null, confDir, new KMSCallable<Void>() {

        @Override
        public Void call() throws Exception {
            final String keyName = "k1";
            final String mockVersionName = "mock";
            final Configuration conf = new Configuration();
            final URI uri = createKMSUri(getKMSUrl());
            KMSClientProvider kmscp = createKMSClientProvider(uri, conf);
            // get the reference to the internal cache, to test invalidation.
            ValueQueue vq = (ValueQueue) Whitebox.getInternalState(kmscp, "encKeyVersionQueue");
            LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>> kq = ((LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>>) Whitebox.getInternalState(vq, "keyQueues"));
            EncryptedKeyVersion mockEKV = Mockito.mock(EncryptedKeyVersion.class);
            when(mockEKV.getEncryptionKeyName()).thenReturn(keyName);
            when(mockEKV.getEncryptionKeyVersionName()).thenReturn(mockVersionName);
            // createKey()
            KeyProvider.Options options = new KeyProvider.Options(conf);
            options.setCipher("AES/CTR/NoPadding");
            options.setBitLength(128);
            options.setDescription("l1");
            KeyProvider.KeyVersion kv0 = kmscp.createKey(keyName, options);
            assertNotNull(kv0.getVersionName());
            assertEquals("Default key version name is incorrect.", "k1@0", kmscp.generateEncryptedKey(keyName).getEncryptionKeyVersionName());
            kmscp.invalidateCache(keyName);
            kq.get(keyName).put(mockEKV);
            assertEquals("Key version incorrect after invalidating cache + putting" + " mock key.", mockVersionName, kmscp.generateEncryptedKey(keyName).getEncryptionKeyVersionName());
            // test new version is returned after invalidation.
            for (int i = 0; i < 100; ++i) {
                kq.get(keyName).put(mockEKV);
                kmscp.invalidateCache(keyName);
                assertEquals("Cache invalidation guarantee failed.", "k1@0", kmscp.generateEncryptedKey(keyName).getEncryptionKeyVersionName());
            }
            return null;
        }
    });
}