Examples with RouterException com.github.ambry.router.RouterException used on opensource projects

Example 1 with RouterException

use of com.github.ambry.router.RouterException in project ambry by linkedin.

the class UndeleteHandlerTest method verifyUndelete.

/**
 * Verifies that the blob is undeleted
 * @param restRequest the {@link RestRequest} to get a signed URL.
 * @param expectedAccount the {@link Account} that should be populated in {@link RestRequest}.
 * @param expectedContainer the {@link Container} that should be populated in {@link RestRequest}.
 * @throws Exception
 */
private void verifyUndelete(RestRequest restRequest, Account expectedAccount, Container expectedContainer) throws Exception {
    try {
        router.getBlob(blobId, new GetBlobOptionsBuilder().build()).get(1, TimeUnit.SECONDS);
        fail("Get blob should fail on a deleted blob");
    } catch (ExecutionException e) {
        RouterException routerException = (RouterException) e.getCause();
        assertEquals(RouterErrorCode.BlobDeleted, routerException.getErrorCode());
    }
    RestResponseChannel restResponseChannel = new MockRestResponseChannel();
    sendRequestGetResponse(restRequest, restResponseChannel);
    assertEquals("ResponseStatus not as expected", ResponseStatus.Ok, restResponseChannel.getStatus());
    assertNotNull("Date has not been set", restResponseChannel.getHeader(RestUtils.Headers.DATE));
    assertEquals("Content-length is not as expected", 0, Integer.parseInt((String) restResponseChannel.getHeader(RestUtils.Headers.CONTENT_LENGTH)));
    assertEquals("Account not as expected", expectedAccount, restRequest.getArgs().get(RestUtils.InternalKeys.TARGET_ACCOUNT_KEY));
    assertEquals("Container not as expected", expectedContainer, restRequest.getArgs().get(RestUtils.InternalKeys.TARGET_CONTAINER_KEY));
    router.getBlob(blobId, new GetBlobOptionsBuilder().build()).get(1, TimeUnit.SECONDS);
}

Example 2 with RouterException

use of com.github.ambry.router.RouterException in project ambry by linkedin.

the class FrontendTestUrlSigningServiceFactory method routerExceptionPipelineTest.

/**
 * Tests for cases where the {@link Router} returns valid {@link RouterException}.
 * @throws InstantiationException
 * @throws JSONException
 */
@Test
public void routerExceptionPipelineTest() throws Exception {
    FrontendTestRouter testRouter = new FrontendTestRouter();
    String exceptionMsg = TestUtils.getRandomString(10);
    testRouter.exceptionToReturn = new RouterException(exceptionMsg, RouterErrorCode.UnexpectedInternalError);
    doRouterExceptionPipelineTest(testRouter, exceptionMsg + " Error: " + RouterErrorCode.UnexpectedInternalError);
}

Example 3 with RouterException

use of com.github.ambry.router.RouterException in project ambry by linkedin.

the class FrontendTestUrlSigningServiceFactory method updateTtlRejectedTest.

/**
 * Tests the case when the TTL update is rejected
 * @throws Exception
 */
@Test
public void updateTtlRejectedTest() throws Exception {
    FrontendTestRouter testRouter = new FrontendTestRouter();
    String exceptionMsg = TestUtils.getRandomString(10);
    testRouter.exceptionToReturn = new RouterException(exceptionMsg, RouterErrorCode.BlobUpdateNotAllowed);
    testRouter.exceptionOpType = FrontendTestRouter.OpType.UpdateBlobTtl;
    frontendRestRequestService = new FrontendRestRequestService(frontendConfig, frontendMetrics, testRouter, clusterMap, idConverterFactory, securityServiceFactory, urlSigningService, idSigningService, null, accountService, accountAndContainerInjector, datacenterName, hostname, clusterName, accountStatsStore, QUOTA_MANAGER);
    frontendRestRequestService.setupResponseHandler(responseHandler);
    frontendRestRequestService.start();
    String blobId = new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, (byte) -1, Account.UNKNOWN_ACCOUNT_ID, Container.UNKNOWN_CONTAINER_ID, clusterMap.getAllPartitionIds(null).get(0), false, BlobId.BlobDataType.DATACHUNK).getID();
    JSONObject headers = new JSONObject();
    setUpdateTtlHeaders(headers, blobId, "updateTtlRejectedTest");
    RestRequest restRequest = createRestRequest(RestMethod.PUT, Operations.UPDATE_TTL, headers, null);
    MockRestResponseChannel restResponseChannel = verifyOperationFailure(restRequest, RestServiceErrorCode.NotAllowed);
    assertEquals("Unexpected response status", ResponseStatus.MethodNotAllowed, restResponseChannel.getStatus());
    assertEquals("Unexpected value for the 'allow' header", FrontendRestRequestService.TTL_UPDATE_REJECTED_ALLOW_HEADER_VALUE, restResponseChannel.getHeader(RestUtils.Headers.ALLOW));
}

Example 4 with RouterException

use of com.github.ambry.router.RouterException in project ambry by linkedin.

the class ServerTestUtil method undeleteCornerCasesTest.

static void undeleteCornerCasesTest(MockCluster cluster, PortType portType, SSLConfig clientSSLConfig1, SSLConfig clientSSLConfig2, SSLConfig clientSSLConfig3, SSLSocketFactory clientSSLSocketFactory1, SSLSocketFactory clientSSLSocketFactory2, SSLSocketFactory clientSSLSocketFactory3, MockNotificationSystem notificationSystem, Properties routerProps, boolean testEncryption) {
    MockClusterMap clusterMap = cluster.getClusterMap();
    byte[] userMetadata = new byte[1000];
    byte[] data = new byte[31870];
    byte[] encryptionKey = new byte[100];
    short accountId = Utils.getRandomShort(TestUtils.RANDOM);
    short containerId = Utils.getRandomShort(TestUtils.RANDOM);
    BlobProperties properties = new BlobProperties(31870, "serviceid1", accountId, containerId, testEncryption, cluster.time.milliseconds());
    TestUtils.RANDOM.nextBytes(userMetadata);
    TestUtils.RANDOM.nextBytes(data);
    if (testEncryption) {
        TestUtils.RANDOM.nextBytes(encryptionKey);
    }
    short blobIdVersion = CommonTestUtils.getCurrentBlobIdVersion();
    Map<String, List<DataNodeId>> dataNodesPerDC = clusterMap.getDataNodes().stream().collect(Collectors.groupingBy(DataNodeId::getDatacenterName));
    Map<String, Pair<SSLConfig, SSLSocketFactory>> sslSettingPerDC = new HashMap<>();
    sslSettingPerDC.put("DC1", new Pair<>(clientSSLConfig1, clientSSLSocketFactory1));
    sslSettingPerDC.put("DC2", new Pair<>(clientSSLConfig2, clientSSLSocketFactory2));
    sslSettingPerDC.put("DC3", new Pair<>(clientSSLConfig3, clientSSLSocketFactory3));
    List<PartitionId> partitionIds = clusterMap.getWritablePartitionIds(MockClusterMap.DEFAULT_PARTITION_CLASS);
    DataNodeId dataNodeId = dataNodesPerDC.get("DC1").get(0);
    Router router = null;
    try {
        Properties routerProperties = getRouterProps("DC1");
        routerProperties.putAll(routerProps);
        VerifiableProperties routerVerifiableProps = new VerifiableProperties(routerProperties);
        AccountService accountService = new InMemAccountService(false, true);
        router = new NonBlockingRouterFactory(routerVerifiableProps, clusterMap, new MockNotificationSystem(clusterMap), getSSLFactoryIfRequired(routerVerifiableProps), accountService).getRouter();
        // channels to all datanodes
        List<ConnectedChannel> channels = new ArrayList<>();
        for (Map.Entry<String, List<DataNodeId>> entry : dataNodesPerDC.entrySet()) {
            Pair<SSLConfig, SSLSocketFactory> pair = sslSettingPerDC.get(entry.getKey());
            for (DataNodeId node : entry.getValue()) {
                ConnectedChannel connectedChannel = getBlockingChannelBasedOnPortType(portType, node, pair.getSecond(), pair.getFirst());
                connectedChannel.connect();
                channels.add(connectedChannel);
            }
        }
        // ////////////////////////////////////////////////////
        // Corner case 1: When only one datacenter has delete
        // ////////////////////////////////////////////////////
        BlobId blobId1 = new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, clusterMap.getLocalDatacenterId(), properties.getAccountId(), properties.getContainerId(), partitionIds.get(0), false, BlobId.BlobDataType.DATACHUNK);
        ConnectedChannel channel = getBlockingChannelBasedOnPortType(portType, dataNodeId, clientSSLSocketFactory1, clientSSLConfig1);
        channel.connect();
        PutRequest putRequest = new PutRequest(1, "client1", blobId1, properties, ByteBuffer.wrap(userMetadata), Unpooled.wrappedBuffer(data), properties.getBlobSize(), BlobType.DataBlob, testEncryption ? ByteBuffer.wrap(encryptionKey) : null);
        DataInputStream putResponseStream = channel.sendAndReceive(putRequest).getInputStream();
        PutResponse response = PutResponse.readFrom(putResponseStream);
        releaseNettyBufUnderneathStream(putResponseStream);
        assertEquals(ServerErrorCode.No_Error, response.getError());
        notificationSystem.awaitBlobCreations(blobId1.toString());
        // Now stop the replications this partition.
        PartitionId partitionId = blobId1.getPartition();
        controlReplicationForPartition(channels, partitionId, false);
        // Now send the delete to two data nodes in the same DC
        List<DataNodeId> toBeDeleteDataNodes = dataNodesPerDC.values().stream().findFirst().get();
        Pair<SSLConfig, SSLSocketFactory> pair = sslSettingPerDC.get(toBeDeleteDataNodes.get(0).getDatacenterName());
        ConnectedChannel channel1 = getBlockingChannelBasedOnPortType(portType, toBeDeleteDataNodes.get(0), pair.getSecond(), pair.getFirst());
        channel1.connect();
        ConnectedChannel channel2 = getBlockingChannelBasedOnPortType(portType, toBeDeleteDataNodes.get(1), pair.getSecond(), pair.getFirst());
        channel2.connect();
        DeleteRequest deleteRequest1 = new DeleteRequest(1, "deleteClient", blobId1, System.currentTimeMillis());
        DataInputStream stream = channel1.sendAndReceive(deleteRequest1).getInputStream();
        DeleteResponse deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        DeleteRequest deleteRequest2 = new DeleteRequest(1, "deleteClient", blobId1, deleteRequest1.getDeletionTimeInMs());
        stream = channel2.sendAndReceive(deleteRequest2).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        // Now send the undelete operation through router, and it should fail because of not deleted error.
        Future<Void> future = router.undeleteBlob(blobId1.toString(), "service");
        try {
            future.get();
            fail("Undelete blob " + blobId1.toString() + " should fail");
        } catch (ExecutionException e) {
            assertTrue(e.getCause() instanceof RouterException);
            assertEquals(RouterErrorCode.BlobNotDeleted, ((RouterException) e.getCause()).getErrorCode());
        }
        // Now see if either data node 1 or data node 2 has undelete or not, if so, undelete would replicate. If not,
        // delete would replicate.
        List<PartitionRequestInfo> partitionRequestInfoList = getPartitionRequestInfoListFromBlobId(blobId1);
        boolean hasUndelete = false;
        for (ConnectedChannel connectedChannel : new ConnectedChannel[] { channel1, channel2 }) {
            GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
            stream = channel1.sendAndReceive(getRequest).getInputStream();
            GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
            assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
            MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
            hasUndelete = getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion() == (short) 1;
            if (hasUndelete) {
                break;
            }
        }
        releaseNettyBufUnderneathStream(stream);
        // Now restart the replication
        controlReplicationForPartition(channels, partitionId, true);
        if (hasUndelete) {
            notificationSystem.awaitBlobUndeletes(blobId1.toString());
        } else {
            notificationSystem.awaitBlobDeletions(blobId1.toString());
        }
        for (ConnectedChannel connectedChannel : channels) {
            GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
            stream = connectedChannel.sendAndReceive(getRequest).getInputStream();
            GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
            releaseNettyBufUnderneathStream(stream);
            assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
            MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
            if (hasUndelete) {
                assertEquals((short) 1, getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion());
                assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
                assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
            } else {
                assertEquals((short) 0, getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion());
                assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
                assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
            }
        }
        // ///////////////////////////////////////////////////////////
        // Corner case 2: two data nodes have different life versions
        // //////////////////////////////////////////////////////////
        BlobId blobId2 = new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, clusterMap.getLocalDatacenterId(), properties.getAccountId(), properties.getContainerId(), partitionIds.get(0), false, BlobId.BlobDataType.DATACHUNK);
        putRequest = new PutRequest(1, "client1", blobId2, properties, ByteBuffer.wrap(userMetadata), Unpooled.wrappedBuffer(data), properties.getBlobSize(), BlobType.DataBlob, testEncryption ? ByteBuffer.wrap(encryptionKey) : null);
        putResponseStream = channel.sendAndReceive(putRequest).getInputStream();
        response = PutResponse.readFrom(putResponseStream);
        releaseNettyBufUnderneathStream(putResponseStream);
        assertEquals(ServerErrorCode.No_Error, response.getError());
        notificationSystem.awaitBlobCreations(blobId2.toString());
        // Now delete this blob on all servers.
        DeleteRequest deleteRequest = new DeleteRequest(1, "deleteClient", blobId2, System.currentTimeMillis());
        stream = channel.sendAndReceive(deleteRequest).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        notificationSystem.awaitBlobDeletions(blobId2.toString());
        // Now stop the replication
        partitionId = blobId2.getPartition();
        controlReplicationForPartition(channels, partitionId, false);
        // Now send the undelete to two data nodes in the same DC and then send delete
        UndeleteRequest undeleteRequest = new UndeleteRequest(1, "undeleteClient", blobId2, System.currentTimeMillis());
        stream = channel1.sendAndReceive(undeleteRequest).getInputStream();
        UndeleteResponse undeleteResponse = UndeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, undeleteResponse.getError());
        assertEquals((short) 1, undeleteResponse.getLifeVersion());
        undeleteRequest = new UndeleteRequest(1, "undeleteClient", blobId2, undeleteRequest.getOperationTimeMs());
        stream = channel2.sendAndReceive(undeleteRequest).getInputStream();
        undeleteResponse = UndeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, undeleteResponse.getError());
        assertEquals((short) 1, undeleteResponse.getLifeVersion());
        deleteRequest1 = new DeleteRequest(1, "deleteClient", blobId2, System.currentTimeMillis());
        stream = channel1.sendAndReceive(deleteRequest1).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        deleteRequest2 = new DeleteRequest(1, "deleteClient", blobId2, deleteRequest1.getDeletionTimeInMs());
        stream = channel2.sendAndReceive(deleteRequest2).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        // Now send the undelete operation through router, and it should fail because of lifeVersion conflict error.
        future = router.undeleteBlob(blobId2.toString(), "service");
        try {
            future.get();
            fail("Undelete blob " + blobId2.toString() + " should fail");
        } catch (ExecutionException e) {
            assertTrue(e.getCause() instanceof RouterException);
            assertEquals(RouterErrorCode.LifeVersionConflict, ((RouterException) e.getCause()).getErrorCode());
        }
        // Now restart the replication
        controlReplicationForPartition(channels, partitionId, true);
        notificationSystem.awaitBlobUndeletes(blobId2.toString());
        // Now after replication is resumed, the undelete of lifeversion 2 will eventually be replicated to all servers.
        partitionRequestInfoList = getPartitionRequestInfoListFromBlobId(blobId2);
        for (ConnectedChannel connectedChannel : channels) {
            // Even if the notificationSystem acknowledged the undelete, it might be triggered by undelete at lifeversion 1.
            // So check in a loop with a time out.
            long deadline = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(10);
            while (true) {
                GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
                stream = connectedChannel.sendAndReceive(getRequest).getInputStream();
                GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
                assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
                MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
                if (getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion() == 2) {
                    assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
                    assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
                    break;
                } else {
                    Thread.sleep(1000);
                    if (System.currentTimeMillis() > deadline) {
                        throw new TimeoutException("Fail to get blob " + blobId2 + " at lifeversion 2 at " + connectedChannel.getRemoteHost());
                    }
                }
            }
        }
        releaseNettyBufUnderneathStream(stream);
        for (ConnectedChannel connectedChannel : channels) {
            connectedChannel.disconnect();
        }
        channel1.disconnect();
        channel2.disconnect();
        channel.disconnect();
    } catch (Exception e) {
        e.printStackTrace();
        fail();
    } finally {
        if (router != null) {
            try {
                router.close();
            } catch (Exception e) {
            }
        }
    }
}

Example 5 with RouterException

use of com.github.ambry.router.RouterException in project ambry by linkedin.

the class FrontendRestRequestService method handlePut.

@Override
public void handlePut(RestRequest restRequest, RestResponseChannel restResponseChannel) {
    ThrowingConsumer<RequestPath> routingAction = requestPath -> {
        if (requestPath.matchesOperation(Operations.UPDATE_TTL)) {
            ttlUpdateHandler.handle(restRequest, restResponseChannel, (r, e) -> {
                if (e instanceof RouterException && ((RouterException) e).getErrorCode() == RouterErrorCode.BlobUpdateNotAllowed) {
                    restResponseChannel.setHeader(Headers.ALLOW, TTL_UPDATE_REJECTED_ALLOW_HEADER_VALUE);
                }
                submitResponse(restRequest, restResponseChannel, null, e);
            });
        } else if (requestPath.matchesOperation(Operations.UNDELETE) && frontendConfig.enableUndelete) {
            // If the undelete is not enabled, then treat it as unrecognized operation.
            // And always send failure reason back to client for undelete
            restRequest.setArg(SEND_FAILURE_REASON, Boolean.TRUE);
            undeleteHandler.handle(restRequest, restResponseChannel, (r, e) -> {
                submitResponse(restRequest, restResponseChannel, null, e);
            });
        } else if (requestPath.matchesOperation(Operations.NAMED_BLOB)) {
            restRequest.setArg(SEND_FAILURE_REASON, Boolean.TRUE);
            namedBlobPutHandler.handle(restRequest, restResponseChannel, (r, e) -> submitResponse(restRequest, restResponseChannel, null, e));
        } else {
            throw new RestServiceException("Unrecognized operation: " + requestPath.getOperationOrBlobId(false), RestServiceErrorCode.BadRequest);
        }
    };
    preProcessAndRouteRequest(restRequest, restResponseChannel, frontendMetrics.putPreProcessingMetrics, routingAction);
}