http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishKafkaTest.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishKafkaTest.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishKafkaTest.java new file mode 100644 index 0000000..07ae2da --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishKafkaTest.java @@ -0,0 +1,329 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.pubsub; + +import java.nio.charset.StandardCharsets; +import org.apache.kafka.clients.producer.Producer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.common.serialization.ByteArraySerializer; +import org.apache.nifi.util.MockFlowFile; +import org.apache.nifi.util.TestRunner; +import org.apache.nifi.util.TestRunners; +import org.junit.Test; +import org.mockito.Mockito; +import static org.mockito.Mockito.times; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; +import static org.mockito.Mockito.verify; + +public class PublishKafkaTest { + + @Test + public void validateCustomSerilaizerDeserializerSettings() throws Exception { + PublishKafka publishKafka = new PublishKafka(); + TestRunner runner = TestRunners.newTestRunner(publishKafka); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "okeydokey:1234"); + runner.setProperty(PublishKafka.TOPIC, "foo"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "3 sec"); + runner.setProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName()); + runner.assertValid(); + runner.setProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "Foo"); + runner.assertNotValid(); + } + + @Test + public void validatePropertiesValidation() throws Exception { + PublishKafka publishKafka = new PublishKafka(); + TestRunner runner = TestRunners.newTestRunner(publishKafka); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "okeydokey:1234"); + runner.setProperty(PublishKafka.TOPIC, "foo"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "foo"); + + try { + runner.assertValid(); + fail(); + } catch (AssertionError e) { + assertTrue(e.getMessage().contains("'max.block.ms' validated against 'foo' is invalid")); + } + } + + @Test + public void validateCustomValidation() { + String topicName = "validateCustomValidation"; + PublishKafka publishKafka = new PublishKafka(); + + /* + * Validates that Kerberos principle is required if one of SASL set for + * secirity protocol + */ + TestRunner runner = TestRunners.newTestRunner(publishKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(KafkaProcessorUtils.SECURITY_PROTOCOL, KafkaProcessorUtils.SEC_SASL_PLAINTEXT); + try { + runner.run(); + fail(); + } catch (Throwable e) { + assertTrue(e.getMessage().contains("'Kerberos Service Name' is invalid because")); + } + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateSingleCharacterDemarcatedMessages() { + String topicName = "validateSingleCharacterDemarcatedMessages"; + StubPublishKafka putKafka = new StubPublishKafka(100); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + + runner.enqueue("Hello World\nGoodbye\n1\n2\n3\n4\n5".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(7)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateMultiCharacterDemarcatedMessagesAndCustomPartitionerA() { + String topicName = "validateMultiCharacterDemarcatedMessagesAndCustomPartitioner"; + StubPublishKafka putKafka = new StubPublishKafka(100); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.PARTITION_CLASS, Partitioners.RoundRobinPartitioner.class.getName()); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "foo"); + + runner.enqueue("Hello WorldfooGoodbyefoo1foo2foo3foo4foo5".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(7)).send(Mockito.any(ProducerRecord.class)); + + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateMultiCharacterDemarcatedMessagesAndCustomPartitionerB() { + String topicName = "validateMultiCharacterDemarcatedMessagesAndCustomPartitioner"; + StubPublishKafka putKafka = new StubPublishKafka(1); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.PARTITION_CLASS, Partitioners.RoundRobinPartitioner.class.getName()); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "foo"); + + runner.enqueue("Hello WorldfooGoodbyefoo1foo2foo3foo4foo5".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(7)).send(Mockito.any(ProducerRecord.class)); + + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateOnSendFailureAndThenResendSuccessA() throws Exception { + String topicName = "validateSendFailureAndThenResendSuccess"; + StubPublishKafka putKafka = new StubPublishKafka(100); + + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "3000 millis"); + + final String text = "Hello World\nGoodbye\nfail\n2"; + runner.enqueue(text.getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + assertEquals(1, runner.getQueueSize().getObjectCount()); // due to failure + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(4)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + putKafka.destroy(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateOnSendFailureAndThenResendSuccessB() throws Exception { + String topicName = "validateSendFailureAndThenResendSuccess"; + StubPublishKafka putKafka = new StubPublishKafka(1); + + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "500 millis"); + + final String text = "Hello World\nGoodbye\nfail\n2"; + runner.enqueue(text.getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + assertEquals(1, runner.getQueueSize().getObjectCount()); // due to failure + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(4)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateOnFutureGetFailureAndThenResendSuccessFirstMessageFail() throws Exception { + String topicName = "validateSendFailureAndThenResendSuccess"; + StubPublishKafka putKafka = new StubPublishKafka(100); + + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "500 millis"); + + final String text = "futurefail\nHello World\nGoodbye\n2"; + runner.enqueue(text.getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + MockFlowFile ff = runner.getFlowFilesForRelationship(PublishKafka.REL_FAILURE).get(0); + assertNotNull(ff); + runner.enqueue(ff); + + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + // 6 sends due to duplication + verify(producer, times(5)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateOnFutureGetFailureAndThenResendSuccess() throws Exception { + String topicName = "validateSendFailureAndThenResendSuccess"; + StubPublishKafka putKafka = new StubPublishKafka(100); + + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + runner.setProperty(PublishKafka.META_WAIT_TIME, "500 millis"); + + final String text = "Hello World\nGoodbye\nfuturefail\n2"; + runner.enqueue(text.getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + MockFlowFile ff = runner.getFlowFilesForRelationship(PublishKafka.REL_FAILURE).get(0); + assertNotNull(ff); + runner.enqueue(ff); + + runner.run(1, false); + assertEquals(0, runner.getQueueSize().getObjectCount()); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + // 6 sends due to duplication + verify(producer, times(6)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateDemarcationIntoEmptyMessages() { + String topicName = "validateDemarcationIntoEmptyMessages"; + StubPublishKafka putKafka = new StubPublishKafka(100); + final TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(PublishKafka.KEY, "key1"); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "\n"); + + final byte[] bytes = "\n\n\n1\n2\n\n\n\n3\n4\n\n\n".getBytes(StandardCharsets.UTF_8); + runner.enqueue(bytes); + runner.run(1); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(4)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateComplexRightPartialDemarcatedMessages() { + String topicName = "validateComplexRightPartialDemarcatedMessages"; + StubPublishKafka putKafka = new StubPublishKafka(100); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "å <å WILDSTUFFå >å "); + + runner.enqueue("Hello Worldå <å WILDSTUFFå >å Goodbyeå <å WILDSTUFFå >å I Mean IT!å <å WILDSTUFFå >".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(3)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateComplexLeftPartialDemarcatedMessages() { + String topicName = "validateComplexLeftPartialDemarcatedMessages"; + StubPublishKafka putKafka = new StubPublishKafka(100); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "å <å WILDSTUFFå >å "); + + runner.enqueue("Hello Worldå <å WILDSTUFFå >å Goodbyeå <å WILDSTUFFå >å I Mean IT!å <å WILDSTUFFå >å <å WILDSTUFFå >å ".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + + runner.assertAllFlowFilesTransferred(PublishKafka.REL_SUCCESS, 1); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(4)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } + + @SuppressWarnings("unchecked") + @Test + public void validateComplexPartialMatchDemarcatedMessages() { + String topicName = "validateComplexPartialMatchDemarcatedMessages"; + StubPublishKafka putKafka = new StubPublishKafka(100); + TestRunner runner = TestRunners.newTestRunner(putKafka); + runner.setProperty(PublishKafka.TOPIC, topicName); + runner.setProperty(KafkaProcessorUtils.BOOTSTRAP_SERVERS, "localhost:1234"); + runner.setProperty(PublishKafka.MESSAGE_DEMARCATOR, "å <å WILDSTUFFå >å "); + + runner.enqueue("Hello Worldå <å WILDSTUFFå >å Goodbyeå <å WILDBOOMSTUFFå >å ".getBytes(StandardCharsets.UTF_8)); + runner.run(1, false); + + runner.assertAllFlowFilesTransferred(PublishKafka.REL_SUCCESS, 1); + Producer<byte[], byte[]> producer = putKafka.getProducer(); + verify(producer, times(2)).send(Mockito.any(ProducerRecord.class)); + runner.shutdown(); + } +}
http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishingContextTest.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishingContextTest.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishingContextTest.java new file mode 100644 index 0000000..4a9a1c0 --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/PublishingContextTest.java @@ -0,0 +1,106 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.pubsub; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.fail; +import static org.mockito.Mockito.mock; + +import java.io.InputStream; +import java.nio.charset.StandardCharsets; + +import org.junit.Test; + +public class PublishingContextTest { + + @Test + public void failInvalidConstructorArgs() { + try { + new PublishingContext(null, null); + fail(); + } catch (IllegalArgumentException e) { + // success + } + try { + new PublishingContext(mock(InputStream.class), null); + fail(); + } catch (IllegalArgumentException e) { + // success + } + + try { + new PublishingContext(mock(InputStream.class), ""); + fail(); + } catch (IllegalArgumentException e) { + // success + } + + try { + new PublishingContext(mock(InputStream.class), "mytopic", -3); + fail(); + } catch (IllegalArgumentException e) { + // success + } + } + + @Test + public void validateFullSetting() { + PublishingContext publishingContext = new PublishingContext(mock(InputStream.class), "topic", 3); + publishingContext.setDelimiterBytes("delimiter".getBytes(StandardCharsets.UTF_8)); + publishingContext.setKeyBytes("key".getBytes(StandardCharsets.UTF_8)); + + assertEquals("delimiter", new String(publishingContext.getDelimiterBytes(), StandardCharsets.UTF_8)); + assertEquals("key", new String(publishingContext.getKeyBytes(), StandardCharsets.UTF_8)); + assertEquals("topic", publishingContext.getTopic()); + assertEquals("topic: 'topic'; delimiter: 'delimiter'", publishingContext.toString()); + } + + @Test + public void validateOnlyOnceSetPerInstance() { + PublishingContext publishingContext = new PublishingContext(mock(InputStream.class), "topic"); + publishingContext.setKeyBytes(new byte[]{0}); + try { + publishingContext.setKeyBytes(new byte[]{0}); + fail(); + } catch (IllegalArgumentException e) { + // success + } + + publishingContext.setDelimiterBytes(new byte[]{0}); + try { + publishingContext.setDelimiterBytes(new byte[]{0}); + fail(); + } catch (IllegalArgumentException e) { + // success + } + + publishingContext.setMaxRequestSize(1024); + try { + publishingContext.setMaxRequestSize(1024); + fail(); + } catch (IllegalArgumentException e) { + // success + } + + try { + publishingContext.setMaxRequestSize(-10); + fail(); + } catch (IllegalArgumentException e) { + // success + } + } +} http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/StubPublishKafka.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/StubPublishKafka.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/StubPublishKafka.java new file mode 100644 index 0000000..950d623 --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/StubPublishKafka.java @@ -0,0 +1,133 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.pubsub; + +import java.lang.reflect.Field; +import static org.mockito.Mockito.when; + +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.Map; +import java.util.concurrent.Callable; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +import org.apache.kafka.clients.producer.Producer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.clients.producer.RecordMetadata; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.errors.TopicAuthorizationException; +import org.apache.kafka.common.serialization.ByteArraySerializer; +import org.apache.nifi.logging.ComponentLog; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.exception.ProcessException; +import static org.apache.nifi.processors.kafka.pubsub.KafkaProcessorUtils.BOOTSTRAP_SERVERS; +import org.mockito.Mockito; +import static org.mockito.Mockito.mock; +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; + +public class StubPublishKafka extends PublishKafka { + + private volatile Producer<byte[], byte[]> producer; + + private volatile boolean failed; + + private final int ackCheckSize; + + private final ExecutorService executor = Executors.newCachedThreadPool(); + + StubPublishKafka(int ackCheckSize) { + this.ackCheckSize = ackCheckSize; + } + + public Producer<byte[], byte[]> getProducer() { + return producer; + } + + public void destroy() { + this.executor.shutdownNow(); + } + + @SuppressWarnings("unchecked") + @Override + protected KafkaPublisher buildKafkaResource(ProcessContext context, ProcessSession session) + throws ProcessException { + final Map<String, String> kafkaProperties = new HashMap<>(); + KafkaProcessorUtils.buildCommonKafkaProperties(context, ProducerConfig.class, kafkaProperties); + kafkaProperties.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName()); + kafkaProperties.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName()); + KafkaPublisher publisher; + try { + Field f = PublishKafka.class.getDeclaredField("brokers"); + f.setAccessible(true); + f.set(this, context.getProperty(BOOTSTRAP_SERVERS).evaluateAttributeExpressions().getValue()); + publisher = (KafkaPublisher) TestUtils.getUnsafe().allocateInstance(KafkaPublisher.class); + publisher.setAckWaitTime(15000); + producer = mock(Producer.class); + this.instrumentProducer(producer, false); + Field kf = KafkaPublisher.class.getDeclaredField("kafkaProducer"); + kf.setAccessible(true); + kf.set(publisher, producer); + + Field componentLogF = KafkaPublisher.class.getDeclaredField("componentLog"); + componentLogF.setAccessible(true); + componentLogF.set(publisher, mock(ComponentLog.class)); + + Field ackCheckSizeField = KafkaPublisher.class.getDeclaredField("ackCheckSize"); + ackCheckSizeField.setAccessible(true); + ackCheckSizeField.set(publisher, this.ackCheckSize); + } catch (Exception e) { + e.printStackTrace(); + throw new IllegalStateException(e); + } + return publisher; + } + + @SuppressWarnings("unchecked") + private void instrumentProducer(Producer<byte[], byte[]> producer, boolean failRandomly) { + + when(producer.send(Mockito.any(ProducerRecord.class))).then(new Answer<Future<RecordMetadata>>() { + @Override + public Future<RecordMetadata> answer(InvocationOnMock invocation) throws Throwable { + ProducerRecord<byte[], byte[]> record = (ProducerRecord<byte[], byte[]>) invocation.getArguments()[0]; + String value = new String(record.value(), StandardCharsets.UTF_8); + if ("fail".equals(value) && !StubPublishKafka.this.failed) { + StubPublishKafka.this.failed = true; + throw new RuntimeException("intentional"); + } + Future<RecordMetadata> future = executor.submit(new Callable<RecordMetadata>() { + @Override + public RecordMetadata call() throws Exception { + if ("futurefail".equals(value) && !StubPublishKafka.this.failed) { + StubPublishKafka.this.failed = true; + throw new TopicAuthorizationException("Unauthorized"); + } else { + TopicPartition partition = new TopicPartition("foo", 0); + RecordMetadata meta = new RecordMetadata(partition, 0, 0); + return meta; + } + } + }); + return future; + } + }); + } +} http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/TestUtils.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/TestUtils.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/TestUtils.java new file mode 100644 index 0000000..819e3b7 --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/pubsub/TestUtils.java @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.pubsub; + +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; + +import sun.misc.Unsafe; + +class TestUtils { + + public static void setFinalField(Field field, Object instance, Object newValue) throws Exception { + field.setAccessible(true); + Field modifiersField = Field.class.getDeclaredField("modifiers"); + modifiersField.setAccessible(true); + modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL); + + field.set(instance, newValue); + } + + static Unsafe getUnsafe() { + try { + Field f = Unsafe.class.getDeclaredField("theUnsafe"); + f.setAccessible(true); + return (Unsafe) f.get(null); + } catch (Exception e) { + throw new IllegalStateException(e); + } + } + +} http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafka.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafka.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafka.java new file mode 100644 index 0000000..802f889 --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafka.java @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.test; + +import java.io.File; +import java.io.IOException; +import java.net.ServerSocket; +import java.util.Properties; + +import org.apache.commons.io.FileUtils; +import org.apache.zookeeper.server.ServerCnxnFactory; +import org.apache.zookeeper.server.ServerConfig; +import org.apache.zookeeper.server.ZooKeeperServer; +import org.apache.zookeeper.server.persistence.FileTxnSnapLog; +import org.apache.zookeeper.server.quorum.QuorumPeerConfig; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import kafka.server.KafkaConfig; +import kafka.server.KafkaServerStartable; + +/** + * Embedded Kafka server, primarily to be used for testing. + */ +public class EmbeddedKafka { + + private final KafkaServerStartable kafkaServer; + + private final Properties zookeeperConfig; + + private final Properties kafkaConfig; + + private final ZooKeeperServer zkServer; + + private final Logger logger = LoggerFactory.getLogger(EmbeddedKafka.class); + + private final int kafkaPort; + + private final int zookeeperPort; + + private boolean started; + + /** + * Will create instance of the embedded Kafka server. Kafka and Zookeeper + * configuration properties will be loaded from 'server.properties' and + * 'zookeeper.properties' located at the root of the classpath. + */ + public EmbeddedKafka() { + this(loadPropertiesFromClasspath("/server.properties"), loadPropertiesFromClasspath("/zookeeper.properties")); + } + + /** + * Will create instance of the embedded Kafka server. + * + * @param kafkaConfig + * Kafka configuration properties + * @param zookeeperConfig + * Zookeeper configuration properties + */ + public EmbeddedKafka(Properties kafkaConfig, Properties zookeeperConfig) { + this.cleanupKafkaWorkDir(); + this.zookeeperConfig = zookeeperConfig; + this.kafkaConfig = kafkaConfig; + this.kafkaPort = this.availablePort(); + this.zookeeperPort = this.availablePort(); + + this.kafkaConfig.setProperty("port", String.valueOf(this.kafkaPort)); + this.kafkaConfig.setProperty("zookeeper.connect", "localhost:" + this.zookeeperPort); + this.zookeeperConfig.setProperty("clientPort", String.valueOf(this.zookeeperPort)); + this.zkServer = new ZooKeeperServer(); + this.kafkaServer = new KafkaServerStartable(new KafkaConfig(kafkaConfig)); + } + + /** + * + * @return port for Kafka server + */ + public int getKafkaPort() { + if (!this.started) { + throw new IllegalStateException("Kafka server is not started. Kafka port can't be determined."); + } + return this.kafkaPort; + } + + /** + * + * @return port for Zookeeper server + */ + public int getZookeeperPort() { + if (!this.started) { + throw new IllegalStateException("Kafka server is not started. Zookeeper port can't be determined."); + } + return this.zookeeperPort; + } + + /** + * Will start embedded Kafka server. Its data directories will be created + * at 'kafka-tmp' directory relative to the working directory of the current + * runtime. The data directories will be deleted upon JVM exit. + * + */ + public void start() { + if (!this.started) { + logger.info("Starting Zookeeper server"); + this.startZookeeper(); + + logger.info("Starting Kafka server"); + this.kafkaServer.startup(); + + logger.info("Embeded Kafka is started at localhost:" + this.kafkaServer.serverConfig().port() + + ". Zookeeper connection string: " + this.kafkaConfig.getProperty("zookeeper.connect")); + this.started = true; + } + } + + /** + * Will stop embedded Kafka server, cleaning up all working directories. + */ + public void stop() { + if (this.started) { + logger.info("Shutting down Kafka server"); + this.kafkaServer.shutdown(); + this.kafkaServer.awaitShutdown(); + logger.info("Shutting down Zookeeper server"); + this.shutdownZookeeper(); + logger.info("Embeded Kafka is shut down."); + this.cleanupKafkaWorkDir(); + this.started = false; + } + } + + /** + * + */ + private void cleanupKafkaWorkDir() { + File kafkaTmp = new File("target/kafka-tmp"); + try { + FileUtils.deleteDirectory(kafkaTmp); + } catch (Exception e) { + logger.warn("Failed to delete " + kafkaTmp.getAbsolutePath()); + } + } + + /** + * Will start Zookeeper server via {@link ServerCnxnFactory} + */ + private void startZookeeper() { + QuorumPeerConfig quorumConfiguration = new QuorumPeerConfig(); + try { + quorumConfiguration.parseProperties(this.zookeeperConfig); + + ServerConfig configuration = new ServerConfig(); + configuration.readFrom(quorumConfiguration); + + FileTxnSnapLog txnLog = new FileTxnSnapLog(new File(configuration.getDataLogDir()), new File(configuration.getDataDir())); + + zkServer.setTxnLogFactory(txnLog); + zkServer.setTickTime(configuration.getTickTime()); + zkServer.setMinSessionTimeout(configuration.getMinSessionTimeout()); + zkServer.setMaxSessionTimeout(configuration.getMaxSessionTimeout()); + ServerCnxnFactory zookeeperConnectionFactory = ServerCnxnFactory.createFactory(); + zookeeperConnectionFactory.configure(configuration.getClientPortAddress(), + configuration.getMaxClientCnxns()); + zookeeperConnectionFactory.startup(zkServer); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + } catch (Exception e) { + throw new IllegalStateException("Failed to start Zookeeper server", e); + } + } + + /** + * Will shut down Zookeeper server. + */ + private void shutdownZookeeper() { + zkServer.shutdown(); + } + + /** + * Will load {@link Properties} from properties file discovered at the + * provided path relative to the root of the classpath. + */ + private static Properties loadPropertiesFromClasspath(String path) { + try { + Properties kafkaProperties = new Properties(); + kafkaProperties.load(Class.class.getResourceAsStream(path)); + return kafkaProperties; + } catch (Exception e) { + throw new IllegalStateException(e); + } + } + + /** + * Will determine the available port used by Kafka/Zookeeper servers. + */ + private int availablePort() { + ServerSocket s = null; + try { + s = new ServerSocket(0); + s.setReuseAddress(true); + return s.getLocalPort(); + } catch (Exception e) { + throw new IllegalStateException("Failed to discover available port.", e); + } finally { + try { + s.close(); + } catch (IOException e) { + // ignore + } + } + } +} http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafkaProducerHelper.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafkaProducerHelper.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafkaProducerHelper.java new file mode 100644 index 0000000..0ed00fb --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/java/org/apache/nifi/processors/kafka/test/EmbeddedKafkaProducerHelper.java @@ -0,0 +1,110 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.processors.kafka.test; + +import java.io.Closeable; +import java.io.IOException; +import java.util.Properties; + +import kafka.producer.KeyedMessage; +import kafka.producer.OldProducer; + +/** + * Helper class which helps to produce events targeting {@link EmbeddedKafka} + * server. + */ +public class EmbeddedKafkaProducerHelper implements Closeable { + + private final EmbeddedKafka kafkaServer; + + private final OldProducer producer; + + /** + * Will create an instance of EmbeddedKafkaProducerHelper based on default + * configurations.<br> + * Default configuration includes:<br> + * <i> + * metadata.broker.list=[determined from the instance of EmbeddedKafka]<br> + * serializer.class=kafka.serializer.DefaultEncoder<br> + * key.serializer.class=kafka.serializer.DefaultEncoder<br> + * auto.create.topics.enable=true + * </i><br> + * <br> + * If you wish to supply additional configuration properties or override + * existing use + * {@link EmbeddedKafkaProducerHelper#EmbeddedKafkaProducerHelper(EmbeddedKafka, Properties)} + * constructor. + * + * @param kafkaServer + * instance of {@link EmbeddedKafka} + */ + public EmbeddedKafkaProducerHelper(EmbeddedKafka kafkaServer) { + this(kafkaServer, null); + } + + /** + * Will create an instance of EmbeddedKafkaProducerHelper based on default + * configurations and additional configuration properties.<br> + * Default configuration includes:<br> + * metadata.broker.list=[determined from the instance of EmbeddedKafka]<br> + * serializer.class=kafka.serializer.DefaultEncoder<br> + * key.serializer.class=kafka.serializer.DefaultEncoder<br> + * auto.create.topics.enable=true<br> + * <br> + * + * @param kafkaServer + * instance of {@link EmbeddedKafka} + * @param additionalProperties + * instance of {@link Properties} specifying additional producer + * configuration properties. + */ + public EmbeddedKafkaProducerHelper(EmbeddedKafka kafkaServer, Properties additionalProperties) { + this.kafkaServer = kafkaServer; + Properties producerProperties = new Properties(); + producerProperties.put("metadata.broker.list", "localhost:" + this.kafkaServer.getKafkaPort()); + producerProperties.put("serializer.class", "kafka.serializer.DefaultEncoder"); + producerProperties.put("key.serializer.class", "kafka.serializer.DefaultEncoder"); + producerProperties.put("auto.create.topics.enable", "true"); + if (additionalProperties != null) { + producerProperties.putAll(additionalProperties); + } + this.producer = new OldProducer(producerProperties); + } + + /** + * Will send an event to a Kafka topic. If topic doesn't exist it will be + * auto-created. + * + * @param topicName + * Kafka topic name. + * @param event + * string representing an event(message) to be sent to Kafka. + */ + public void sendEvent(String topicName, String event) { + KeyedMessage<byte[], byte[]> data = new KeyedMessage<byte[], byte[]>(topicName, event.getBytes()); + this.producer.send(data.topic(), data.key(), data.message()); + } + + /** + * Will close the underlying Kafka producer. + */ + @Override + public void close() throws IOException { + this.producer.close(); + } + +} http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/log4j.properties ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/log4j.properties b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/log4j.properties new file mode 100644 index 0000000..57cd63f --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/log4j.properties @@ -0,0 +1,21 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +log4j.rootCategory=INFO, stdout + +log4j.appender.stdout=org.apache.log4j.ConsoleAppender +log4j.appender.stdout.layout=org.apache.log4j.PatternLayout +log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %t %c{2}:%L - %m%n + +#og4j.category.org.apache.nifi.processors.kafka=DEBUG http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/server.properties ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/server.properties b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/server.properties new file mode 100644 index 0000000..2ecb1b2 --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/server.properties @@ -0,0 +1,121 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# see kafka.server.KafkaConfig for additional details and defaults + +############################# Server Basics ############################# + +# The id of the broker. This must be set to a unique integer for each broker. +broker.id=0 + +############################# Socket Server Settings ############################# + +# The port the socket server listens on +#port=9092 + +# Hostname the broker will bind to. If not set, the server will bind to all interfaces +#host.name=localhost + +# Hostname the broker will advertise to producers and consumers. If not set, it uses the +# value for "host.name" if configured. Otherwise, it will use the value returned from +# java.net.InetAddress.getCanonicalHostName(). +#advertised.host.name=<hostname routable by clients> + +# The port to publish to ZooKeeper for clients to use. If this is not set, +# it will publish the same port that the broker binds to. +#advertised.port=<port accessible by clients> + +# The number of threads handling network requests +num.network.threads=3 + +# The number of threads doing disk I/O +num.io.threads=8 + +# The send buffer (SO_SNDBUF) used by the socket server +socket.send.buffer.bytes=102400 + +# The receive buffer (SO_RCVBUF) used by the socket server +socket.receive.buffer.bytes=102400 + +# The maximum size of a request that the socket server will accept (protection against OOM) +socket.request.max.bytes=104857600 + + +############################# Log Basics ############################# + +# A comma seperated list of directories under which to store log files +log.dirs=target/kafka-tmp/kafka-logs + +# The default number of log partitions per topic. More partitions allow greater +# parallelism for consumption, but this will also result in more files across +# the brokers. +num.partitions=1 + +# The number of threads per data directory to be used for log recovery at startup and flushing at shutdown. +# This value is recommended to be increased for installations with data dirs located in RAID array. +num.recovery.threads.per.data.dir=1 + +############################# Log Flush Policy ############################# + +# Messages are immediately written to the filesystem but by default we only fsync() to sync +# the OS cache lazily. The following configurations control the flush of data to disk. +# There are a few important trade-offs here: +# 1. Durability: Unflushed data may be lost if you are not using replication. +# 2. Latency: Very large flush intervals may lead to latency spikes when the flush does occur as there will be a lot of data to flush. +# 3. Throughput: The flush is generally the most expensive operation, and a small flush interval may lead to exceessive seeks. +# The settings below allow one to configure the flush policy to flush data after a period of time or +# every N messages (or both). This can be done globally and overridden on a per-topic basis. + +# The number of messages to accept before forcing a flush of data to disk +#log.flush.interval.messages=10000 + +# The maximum amount of time a message can sit in a log before we force a flush +#log.flush.interval.ms=1000 + +############################# Log Retention Policy ############################# + +# The following configurations control the disposal of log segments. The policy can +# be set to delete segments after a period of time, or after a given size has accumulated. +# A segment will be deleted whenever *either* of these criteria are met. Deletion always happens +# from the end of the log. + +# The minimum age of a log file to be eligible for deletion +log.retention.hours=168 + +# A size-based retention policy for logs. Segments are pruned from the log as long as the remaining +# segments don't drop below log.retention.bytes. +#log.retention.bytes=1073741824 + +# The maximum size of a log segment file. When this size is reached a new log segment will be created. +log.segment.bytes=1073741824 + +# The interval at which log segments are checked to see if they can be deleted according +# to the retention policies +log.retention.check.interval.ms=300000 + +# By default the log cleaner is disabled and the log retention policy will default to just delete segments after their retention expires. +# If log.cleaner.enable=true is set the cleaner will be enabled and individual logs can then be marked for log compaction. +log.cleaner.enable=false + +############################# Zookeeper ############################# + +# Zookeeper connection string (see zookeeper docs for details). +# This is a comma separated host:port pairs, each corresponding to a zk +# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002". +# You can also append an optional chroot string to the urls to specify the +# root directory for all kafka znodes. +zookeeper.connect=localhost:2181 + +# Timeout in ms for connecting to zookeeper +zookeeper.connection.timeout.ms=6000 http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/zookeeper.properties ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/zookeeper.properties b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/zookeeper.properties new file mode 100644 index 0000000..f5c257e --- /dev/null +++ b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-0-9-processors/src/test/resources/zookeeper.properties @@ -0,0 +1,20 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# the directory where the snapshot is stored. +dataDir=target/kafka-tmp/zookeeper +# the port at which the clients will connect +#clientPort=2181 +# disable the per-ip limit on the number of connections since this is a non-production config +maxClientCnxns=0 http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/pom.xml ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/pom.xml b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/pom.xml deleted file mode 100644 index 1b98f6a..0000000 --- a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/pom.xml +++ /dev/null @@ -1,35 +0,0 @@ -<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> - <!-- - Licensed to the Apache Software Foundation (ASF) under one or more - contributor license agreements. See the NOTICE file distributed with - this work for additional information regarding copyright ownership. - The ASF licenses this file to You under the Apache License, Version 2.0 - (the "License"); you may not use this file except in compliance with - the License. You may obtain a copy of the License at - http://www.apache.org/licenses/LICENSE-2.0 - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - --> - <modelVersion>4.0.0</modelVersion> - <parent> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-kafka-bundle</artifactId> - <version>1.0.0-SNAPSHOT</version> - </parent> - <artifactId>nifi-kafka-nar</artifactId> - <packaging>nar</packaging> - <description>NiFi NAR for interacting with Apache Kafka</description> - <properties> - <maven.javadoc.skip>true</maven.javadoc.skip> - <source.skip>true</source.skip> - </properties> - <dependencies> - <dependency> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-kafka-processors</artifactId> - </dependency> - </dependencies> -</project> http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/LICENSE ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/LICENSE b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/LICENSE deleted file mode 100644 index 304dd69..0000000 --- a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/LICENSE +++ /dev/null @@ -1,299 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - APPENDIX: How to apply the Apache License to your work. - - To apply the Apache License to your work, attach the following - boilerplate notice, with the fields enclosed by brackets "[]" - replaced with your own identifying information. (Don't include - the brackets!) The text should be enclosed in the appropriate - comment syntax for the file format. We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -APACHE NIFI SUBCOMPONENTS: - -The Apache NiFi project contains subcomponents with separate copyright -notices and license terms. Your use of the source code for the these -subcomponents is subject to the terms and conditions of the following -licenses. - - The binary distribution of this product bundles 'Scala Library' under a BSD - style license. - - Copyright (c) 2002-2015 EPFL - Copyright (c) 2011-2015 Typesafe, Inc. - - All rights reserved. - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright notice, this list of - conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright notice, this list of - conditions and the following disclaimer in the documentation and/or other materials - provided with the distribution. - - Neither the name of the EPFL nor the names of its contributors may be used to endorse - or promote products derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS âAS ISâ AND ANY EXPRESS - OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - The binary distribution of this product bundles 'JLine' under a BSD - style license. - - Copyright (c) 2002-2006, Marc Prud'hommeaux <[email protected]> - All rights reserved. - - Redistribution and use in source and binary forms, with or - without modification, are permitted provided that the following - conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer - in the documentation and/or other materials provided with - the distribution. - - Neither the name of JLine nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, - BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - OF THE POSSIBILITY OF SUCH DAMAGE. - - The binary distribution of this product bundles 'JOpt Simple' under an MIT - style license. - - Copyright (c) 2009 Paul R. Holser, Jr. - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ No newline at end of file http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/NOTICE ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/NOTICE b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/NOTICE deleted file mode 100644 index 832e68d..0000000 --- a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-nar/src/main/resources/META-INF/NOTICE +++ /dev/null @@ -1,72 +0,0 @@ -nifi-kafka-nar -Copyright 2014-2016 The Apache Software Foundation - -This product includes software developed at -The Apache Software Foundation (http://www.apache.org/). - -****************** -Apache Software License v2 -****************** - -The following binary components are provided under the Apache Software License v2 - - (ASLv2) Apache Commons Lang - The following NOTICE information applies: - Apache Commons Lang - Copyright 2001-2014 The Apache Software Foundation - - This product includes software from the Spring Framework, - under the Apache License 2.0 (see: StringUtils.containsWhitespace()) - - (ASLv2) Apache Kafka - The following NOTICE information applies: - Apache Kafka - Copyright 2012 The Apache Software Foundation. - - (ASLv2) Yammer Metrics - The following NOTICE information applies: - Metrics - Copyright 2010-2012 Coda Hale and Yammer, Inc. - - This product includes software developed by Coda Hale and Yammer, Inc. - - This product includes code derived from the JSR-166 project (ThreadLocalRandom), which was released - with the following comments: - - Written by Doug Lea with assistance from members of JCP JSR-166 - Expert Group and released to the public domain, as explained at - http://creativecommons.org/publicdomain/zero/1.0/ - - (ASLv2) Snappy Java - The following NOTICE information applies: - This product includes software developed by Google - Snappy: http://code.google.com/p/snappy/ (New BSD License) - - This product includes software developed by Apache - PureJavaCrc32C from apache-hadoop-common http://hadoop.apache.org/ - (Apache 2.0 license) - - This library containd statically linked libstdc++. This inclusion is allowed by - "GCC RUntime Library Exception" - http://gcc.gnu.org/onlinedocs/libstdc++/manual/license.html - - (ASLv2) Apache ZooKeeper - The following NOTICE information applies: - Apache ZooKeeper - Copyright 2009-2012 The Apache Software Foundation - -************************ -Common Development and Distribution License 1.1 -************************ - -The following binary components are provided under the Common Development and Distribution License 1.1. See project link for details. - - (CDDL 1.1) (GPL2 w/ CPE) JavaMail API (compat) (javax.mail:mail:jar:1.4.7 - http://kenai.com/projects/javamail/mail) - -************************ -Common Development and Distribution License 1.0 -************************ - -The following binary components are provided under the Common Development and Distribution License 1.0. See project link for details. - - (CDDL 1.0) JavaBeans Activation Framework (JAF) (javax.activation:activation:jar:1.1 - http://java.sun.com/products/javabeans/jaf/index.jsp) http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/pom.xml ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/pom.xml b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/pom.xml deleted file mode 100644 index 98da7b2..0000000 --- a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/pom.xml +++ /dev/null @@ -1,79 +0,0 @@ -<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> - <!-- - Licensed to the Apache Software Foundation (ASF) under one or more - contributor license agreements. See the NOTICE file distributed with - this work for additional information regarding copyright ownership. - The ASF licenses this file to You under the Apache License, Version 2.0 - (the "License"); you may not use this file except in compliance with - the License. You may obtain a copy of the License at - http://www.apache.org/licenses/LICENSE-2.0 - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - --> - <parent> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-kafka-bundle</artifactId> - <version>1.0.0-SNAPSHOT</version> - </parent> - <modelVersion>4.0.0</modelVersion> - <artifactId>nifi-kafka-processors</artifactId> - <packaging>jar</packaging> - <dependencies> - <dependency> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-api</artifactId> - </dependency> - <dependency> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-processor-utils</artifactId> - </dependency> - <dependency> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-utils</artifactId> - </dependency> - <dependency> - <groupId>org.apache.kafka</groupId> - <artifactId>kafka-clients</artifactId> - <version>0.8.2.2</version> - </dependency> - <dependency> - <groupId>org.apache.kafka</groupId> - <artifactId>kafka_2.10</artifactId> - <version>0.8.2.2</version> - <exclusions> - <!-- Transitive dependencies excluded because they are located - in a legacy Maven repository, which Maven 3 doesn't support. --> - <exclusion> - <groupId>javax.jms</groupId> - <artifactId>jms</artifactId> - </exclusion> - <exclusion> - <groupId>com.sun.jdmk</groupId> - <artifactId>jmxtools</artifactId> - </exclusion> - <exclusion> - <groupId>com.sun.jmx</groupId> - <artifactId>jmxri</artifactId> - </exclusion> - </exclusions> - </dependency> - <dependency> - <groupId>org.apache.nifi</groupId> - <artifactId>nifi-mock</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>commons-io</groupId> - <artifactId>commons-io</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.slf4j</groupId> - <artifactId>slf4j-simple</artifactId> - <scope>test</scope> - </dependency> - </dependencies> -</project> http://git-wip-us.apache.org/repos/asf/nifi/blob/1745c127/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/main/java/org/apache/nifi/processors/kafka/AbstractKafkaProcessor.java ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/main/java/org/apache/nifi/processors/kafka/AbstractKafkaProcessor.java b/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/main/java/org/apache/nifi/processors/kafka/AbstractKafkaProcessor.java deleted file mode 100644 index 5a470b3..0000000 --- a/nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/main/java/org/apache/nifi/processors/kafka/AbstractKafkaProcessor.java +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.apache.nifi.processors.kafka; - -import java.io.Closeable; -import java.util.concurrent.atomic.AtomicInteger; - -import org.apache.kafka.clients.consumer.KafkaConsumer; -import org.apache.nifi.annotation.lifecycle.OnStopped; -import org.apache.nifi.processor.AbstractSessionFactoryProcessor; -import org.apache.nifi.processor.ProcessContext; -import org.apache.nifi.processor.ProcessSession; -import org.apache.nifi.processor.ProcessSessionFactory; -import org.apache.nifi.processor.Processor; -import org.apache.nifi.processor.exception.ProcessException; - -/** - * Base class for {@link Processor}s to publish and consume messages from Kafka - * - * @see PutKafka - */ -abstract class AbstractKafkaProcessor<T extends Closeable> extends AbstractSessionFactoryProcessor { - - - private volatile boolean acceptTask = true; - - private final AtomicInteger taskCounter = new AtomicInteger(); - - - /** - * @see KafkaPublisher - */ - volatile T kafkaResource; - - /** - * - */ - @Override - public final void onTrigger(final ProcessContext context, final ProcessSessionFactory sessionFactory) throws ProcessException { - if (this.acceptTask) { // acts as a circuit breaker to allow existing tasks to wind down so 'kafkaResource' can be reset before new tasks are accepted. - this.taskCounter.incrementAndGet(); - final ProcessSession session = sessionFactory.createSession(); - try { - /* - * We can't be doing double null check here since as a pattern - * it only works for lazy init but not reset, which is what we - * are doing here. In fact the first null check is dangerous - * since 'kafkaResource' can become null right after its null - * check passed causing subsequent NPE. - */ - synchronized (this) { - if (this.kafkaResource == null) { - this.kafkaResource = this.buildKafkaResource(context, session); - } - } - - /* - * The 'processed' boolean flag does not imply any failure or success. It simply states that: - * - ConsumeKafka - some messages were received form Kafka and 1_ FlowFile were generated - * - PublishKafka - some messages were sent to Kafka based on existence of the input FlowFile - */ - boolean processed = this.rendezvousWithKafka(context, session); - session.commit(); - if (processed) { - this.postCommit(context); - } else { - context.yield(); - } - } catch (Throwable e) { - this.acceptTask = false; - session.rollback(true); - this.getLogger().error("{} failed to process due to {}; rolling back session", new Object[] { this, e }); - } finally { - synchronized (this) { - if (this.taskCounter.decrementAndGet() == 0 && !this.acceptTask) { - this.close(); - this.acceptTask = true; - } - } - } - } else { - context.yield(); - } - } - - /** - * Will call {@link Closeable#close()} on the target resource after which - * the target resource will be set to null. Should only be called when there - * are no more threads being executed on this processor or when it has been - * verified that only a single thread remains. - * - * @see KafkaPublisher - */ - @OnStopped - public void close() { - if (this.taskCounter.get() == 0) { - try { - if (this.kafkaResource != null) { - try { - this.kafkaResource.close(); - } catch (Exception e) { - this.getLogger().warn("Failed while closing " + this.kafkaResource, e); - } - } - } finally { - this.kafkaResource = null; - } - } - } - - /** - * This operation will be executed after {@link ProcessSession#commit()} has - * been called. - */ - protected void postCommit(ProcessContext context) { - - } - - /** - * This operation is called from - * {@link #onTrigger(ProcessContext, ProcessSessionFactory)} method and - * contains main processing logic for this Processor. - */ - protected abstract boolean rendezvousWithKafka(ProcessContext context, ProcessSession session); - - /** - * Builds target resource for interacting with Kafka. The target resource - * could be one of {@link KafkaPublisher} or {@link KafkaConsumer} - */ - protected abstract T buildKafkaResource(ProcessContext context, ProcessSession session) throws ProcessException; -}
