[FLINK-8983] End-to-end test: Confluent schema registry
This closes #6083.
diff --git a/flink-confluent-schema-registry-e2e-tests/pom.xml b/flink-confluent-schema-registry-e2e-tests/pom.xml
new file mode 100644
index 0000000..576fca6
--- /dev/null
+++ b/flink-confluent-schema-registry-e2e-tests/pom.xml
@@ -0,0 +1,155 @@
+<!--
+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.
+-->
+<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">
+ <parent>
+ <artifactId>flink-end-to-end-tests</artifactId>
+ <groupId>org.apache.flink</groupId>
+ <version>1.6-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>flink-confluent-schema-registry</artifactId>
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <confluent.version>4.1.0</confluent.version>
+ </properties>
+
+ <repositories>
+ <repository>
+ <id>confluent</id>
+ <url>http://packages.confluent.io/maven/</url>
+ </repository>
+ </repositories>
+
+ <dependencies>
+ <!-- Apache Flink dependencies -->
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-core</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <!-- This dependency is required to actually execute jobs. It is currently pulled in by
+ flink-streaming-java, but we explicitly depend on it to safeguard against future changes. -->
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-clients_${scala.binary.version}</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-streaming-java_${scala.binary.version}</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-connector-kafka-0.10 -->
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-connector-kafka-0.10_${scala.binary.version}</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-avro</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-avro-confluent-registry</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-shade-plugin</artifactId>
+ <version>3.0.0</version>
+ <executions>
+ <execution>
+ <phase>package</phase>
+ <goals>
+ <goal>shade</goal>
+ </goals>
+ <configuration>
+ <finalName>TestAvroConsumerConfluent</finalName>
+ <artifactSet>
+ <excludes>
+ <exclude>com.google.code.findbugs:jsr305</exclude>
+ </excludes>
+ </artifactSet>
+ <filters>
+ <filter>
+ <artifact>*:*</artifact>
+ <excludes>
+ <exclude>META-INF/*.SF</exclude>
+ <exclude>META-INF/*.DSA</exclude>
+ <exclude>META-INF/*.RSA</exclude>
+ </excludes>
+ </filter>
+ </filters>
+ <transformers>
+ <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+ <mainClass>org.apache.flink.schema.registry.test.TestAvroConsumerConfluent</mainClass>
+ </transformer>
+ </transformers>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.avro</groupId>
+ <artifactId>avro-maven-plugin</artifactId>
+ <version>${avro.version}</version>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>schema</goal>
+ </goals>
+ <configuration>
+ <sourceDirectory>${project.basedir}/src/main/avro/</sourceDirectory>
+ <outputDirectory>${project.basedir}/src/main/java/</outputDirectory>
+ <fieldVisibility>PRIVATE</fieldVisibility>
+ <includes>
+ <include>**/*.avsc</include>
+ </includes>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>dependency-convergence</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <skip>true</skip>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/flink-confluent-schema-registry-e2e-tests/src/main/avro/user.avsc b/flink-confluent-schema-registry-e2e-tests/src/main/avro/user.avsc
new file mode 100644
index 0000000..aca9b83
--- /dev/null
+++ b/flink-confluent-schema-registry-e2e-tests/src/main/avro/user.avsc
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+ {"namespace": "example.avro",
+ "type": "record",
+ "name": "User",
+ "fields": [
+ {"name": "name", "type": "string", "default": ""},
+ {"name": "favoriteNumber", "type": "string", "default": ""},
+ {"name": "favoriteColor", "type": "string", "default": ""},
+ {"name": "eventType","type": {"name": "EventType","type": "enum", "symbols": ["meeting"] }}
+ ]
+}
diff --git a/flink-confluent-schema-registry-e2e-tests/src/main/java/org/apache/flink/schema/registry/test/TestAvroConsumerConfluent.java b/flink-confluent-schema-registry-e2e-tests/src/main/java/org/apache/flink/schema/registry/test/TestAvroConsumerConfluent.java
new file mode 100644
index 0000000..9149832
--- /dev/null
+++ b/flink-confluent-schema-registry-e2e-tests/src/main/java/org/apache/flink/schema/registry/test/TestAvroConsumerConfluent.java
@@ -0,0 +1,86 @@
+/*
+ * 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.flink.schema.registry.test;
+
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.common.serialization.SimpleStringSchema;
+import org.apache.flink.api.java.utils.ParameterTool;
+import org.apache.flink.formats.avro.registry.confluent.ConfluentRegistryAvroDeserializationSchema;
+import org.apache.flink.streaming.api.datastream.DataStreamSource;
+import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator;
+import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer010;
+import org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer010;
+
+import example.avro.User;
+
+import java.util.Properties;
+
+/**
+ * A simple example that shows how to read from and write to Kafka with Confluent Schema Registry.
+ * This will read AVRO messages from the input topic, parse them into a POJO type via checking the Schema by calling Schema registry.
+ * Then this example publish the POJO type to kafka by converting the POJO to AVRO and verifying the schema.
+ * --input-topic test-input --output-topic test-output --bootstrap.servers localhost:9092 --zookeeper.connect localhost:2181 --schema-registry-url http://localhost:8081 --group.id myconsumer
+ */
+public class TestAvroConsumerConfluent {
+
+ public static void main(String[] args) throws Exception {
+ Properties config = new Properties();
+ // parse input arguments
+ final ParameterTool parameterTool = ParameterTool.fromArgs(args);
+
+ if (parameterTool.getNumberOfParameters() < 6) {
+ System.out.println("Missing parameters!\n" +
+ "Usage: Kafka --input-topic <topic> --output-topic <topic> " +
+ "--bootstrap.servers <kafka brokers> " +
+ "--zookeeper.connect <zk quorum> " +
+ "--schema-registry-url <confluent schema registry> --group.id <some id>");
+ return;
+ }
+ config.setProperty("bootstrap.servers", parameterTool.getRequired("bootstrap.servers"));
+ config.setProperty("group.id", parameterTool.getRequired("group.id"));
+ config.setProperty("zookeeper.connect", parameterTool.getRequired("zookeeper.connect"));
+ String schemaRegistryUrl = parameterTool.getRequired("schema-registry-url");
+
+ StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
+ env.getConfig().disableSysoutLogging();
+
+ DataStreamSource<User> input = env
+ .addSource(
+ new FlinkKafkaConsumer010(
+ parameterTool.getRequired("input-topic"),
+ ConfluentRegistryAvroDeserializationSchema.forSpecific(User.class, schemaRegistryUrl),
+ config).setStartFromEarliest());
+
+ SingleOutputStreamOperator<String> mapToString = input
+ .map(new MapFunction<User, String>() {
+ @Override
+ public String map(User value) throws Exception {
+ return value.toString();
+ }
+ });
+
+ FlinkKafkaProducer010<String> stringFlinkKafkaProducer010 = new FlinkKafkaProducer010(
+ parameterTool.getRequired("output-topic"),
+ new SimpleStringSchema(),
+ config);
+
+ mapToString.addSink(stringFlinkKafkaProducer010);
+ env.execute("Kafka 0.10 Confluent Schema Registry AVRO Example");
+ }
+}
