SPOI-7941 Add Kafka 0.9 example -- kafka to hdfs SPOI-8632 Example to read from HDFS and write to Kafka -- hdfs to kafka
Project: http://git-wip-us.apache.org/repos/asf/apex-malhar/repo Commit: http://git-wip-us.apache.org/repos/asf/apex-malhar/commit/24027edf Tree: http://git-wip-us.apache.org/repos/asf/apex-malhar/tree/24027edf Diff: http://git-wip-us.apache.org/repos/asf/apex-malhar/diff/24027edf Branch: refs/heads/master Commit: 24027edf5b45f54815722ae14fcef9c5e13ff3f8 Parents: a4551b4 Author: Munagala V. Ramanath <[email protected]> Authored: Wed Mar 29 10:33:00 2017 -0700 Committer: Lakshmi Prasanna Velineni <[email protected]> Committed: Mon Apr 24 09:06:40 2017 -0700 ---------------------------------------------------------------------- examples/hdfs2kafka/README.md | 4 + .../hdfs2kafka/XmlJavadocCommentsExtractor.xsl | 44 +++ examples/hdfs2kafka/pom.xml | 315 +++++++++++++++++++ examples/hdfs2kafka/src/assemble/appPackage.xml | 43 +++ .../java/com/example/myapexapp/Application.java | 26 ++ .../src/main/resources/META-INF/properties.xml | 16 + .../com/example/myapexapp/ApplicationTest.java | 132 ++++++++ .../src/test/resources/log4j.properties | 22 ++ examples/kafka/README.md | 6 + examples/kafka/XmlJavadocCommentsExtractor.xsl | 44 +++ examples/kafka/pom.xml | 307 ++++++++++++++++++ examples/kafka/src/assemble/appPackage.xml | 43 +++ .../java/com/example/myapexapp/KafkaApp.java | 26 ++ .../example/myapexapp/LineOutputOperator.java | 34 ++ .../src/main/resources/META-INF/properties.xml | 48 +++ .../com/example/myapexapp/ApplicationTest.java | 152 +++++++++ .../kafka/src/test/resources/log4j.properties | 21 ++ 17 files changed, 1283 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/README.md ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/README.md b/examples/hdfs2kafka/README.md new file mode 100644 index 0000000..166abd3 --- /dev/null +++ b/examples/hdfs2kafka/README.md @@ -0,0 +1,4 @@ +This sample application shows how to read lines from files in HDFS and write +them out to a Kafka topic. Each line of the input file is considered a separate +message. The topic name, the name of the directory that is monitored for input +files, and other parameters are configurable in `META_INF/properties.xml`. http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/XmlJavadocCommentsExtractor.xsl ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/XmlJavadocCommentsExtractor.xsl b/examples/hdfs2kafka/XmlJavadocCommentsExtractor.xsl new file mode 100644 index 0000000..08075a9 --- /dev/null +++ b/examples/hdfs2kafka/XmlJavadocCommentsExtractor.xsl @@ -0,0 +1,44 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + + 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. + +--> + +<!-- + Document : XmlJavadocCommentsExtractor.xsl + Created on : September 16, 2014, 11:30 AM + Description: + The transformation strips off all information except for comments and tags from xml javadoc generated by xml-doclet. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"> + <xsl:output method="xml" standalone="yes"/> + + <!-- copy xml by selecting only the following nodes, attributes and text --> + <xsl:template match="node()|text()|@*"> + <xsl:copy> + <xsl:apply-templates select="root|package|class|interface|method|field|type|comment|tag|text()|@name|@qualified|@text"/> + </xsl:copy> + </xsl:template> + + <!-- Strip off the following paths from the selected xml --> + <xsl:template match="//root/package/interface/interface + |//root/package/interface/method/@qualified + |//root/package/class/interface + |//root/package/class/class + |//root/package/class/method/@qualified + |//root/package/class/field/@qualified" /> + + <xsl:strip-space elements="*"/> +</xsl:stylesheet> http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/pom.xml ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/pom.xml b/examples/hdfs2kafka/pom.xml new file mode 100644 index 0000000..75cfb6d --- /dev/null +++ b/examples/hdfs2kafka/pom.xml @@ -0,0 +1,315 @@ +<?xml version="1.0" encoding="UTF-8"?> +<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";> + <modelVersion>4.0.0</modelVersion> + + <groupId>com.example</groupId> + <version>1.0-SNAPSHOT</version> + <artifactId>hdfsToKafka</artifactId> + <packaging>jar</packaging> + + <!-- change these to the appropriate values --> + <name>HDFS to Kafka</name> + <description>Simple application to transfer data from HDFS to Kafka</description> + + <properties> + <!-- change this if you desire to use a different version of Apex Core --> + <apex.version>3.5.0</apex.version> + <malhar.version>3.6.0</malhar.version> + <apex.apppackage.classpath>lib/*.jar</apex.apppackage.classpath> + </properties> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-eclipse-plugin</artifactId> + <version>2.9</version> + <configuration> + <downloadSources>true</downloadSources> + </configuration> + </plugin> + <plugin> + <artifactId>maven-compiler-plugin</artifactId> + <version>3.3</version> + <configuration> + <encoding>UTF-8</encoding> + <source>1.7</source> + <target>1.7</target> + <debug>true</debug> + <optimize>false</optimize> + <showDeprecation>true</showDeprecation> + <showWarnings>true</showWarnings> + </configuration> + </plugin> + <plugin> + <artifactId>maven-dependency-plugin</artifactId> + <version>2.8</version> + <executions> + <execution> + <id>copy-dependencies</id> + <phase>prepare-package</phase> + <goals> + <goal>copy-dependencies</goal> + </goals> + <configuration> + <outputDirectory>target/deps</outputDirectory> + <includeScope>runtime</includeScope> + </configuration> + </execution> + </executions> + </plugin> + + <plugin> + <artifactId>maven-assembly-plugin</artifactId> + <executions> + <execution> + <id>app-package-assembly</id> + <phase>package</phase> + <goals> + <goal>single</goal> + </goals> + <configuration> + <finalName>${project.artifactId}-${project.version}-apexapp</finalName> + <appendAssemblyId>false</appendAssemblyId> + <descriptors> + <descriptor>src/assemble/appPackage.xml</descriptor> + </descriptors> + <archiverConfig> + <defaultDirectoryMode>0755</defaultDirectoryMode> + </archiverConfig> + <archive> + <manifestEntries> + <Class-Path>${apex.apppackage.classpath}</Class-Path> + <DT-Engine-Version>${apex.version}</DT-Engine-Version> + <DT-App-Package-Group-Id>${project.groupId}</DT-App-Package-Group-Id> + <DT-App-Package-Name>${project.artifactId}</DT-App-Package-Name> + <DT-App-Package-Version>${project.version}</DT-App-Package-Version> + <DT-App-Package-Display-Name>${project.name}</DT-App-Package-Display-Name> + <DT-App-Package-Description>${project.description}</DT-App-Package-Description> + </manifestEntries> + </archive> + </configuration> + </execution> + </executions> + </plugin> + + <plugin> + <artifactId>maven-antrun-plugin</artifactId> + <version>1.7</version> + <executions> + <execution> + <phase>package</phase> + <configuration> + <target> + <move file="${project.build.directory}/${project.artifactId}-${project.version}-apexapp.jar" + tofile="${project.build.directory}/${project.artifactId}-${project.version}.apa" /> + </target> + </configuration> + <goals> + <goal>run</goal> + </goals> + </execution> + <execution> + <!-- create resource directory for xml javadoc--> + <id>createJavadocDirectory</id> + <phase>generate-resources</phase> + <configuration> + <tasks> + <delete dir="${project.build.directory}/generated-resources/xml-javadoc"/> + <mkdir dir="${project.build.directory}/generated-resources/xml-javadoc"/> + </tasks> + </configuration> + <goals> + <goal>run</goal> + </goals> + </execution> + </executions> + </plugin> + + <plugin> + <groupId>org.codehaus.mojo</groupId> + <artifactId>build-helper-maven-plugin</artifactId> + <version>1.9.1</version> + <executions> + <execution> + <id>attach-artifacts</id> + <phase>package</phase> + <goals> + <goal>attach-artifact</goal> + </goals> + <configuration> + <artifacts> + <artifact> + <file>target/${project.artifactId}-${project.version}.apa</file> + <type>apa</type> + </artifact> + </artifacts> + <skipAttach>false</skipAttach> + </configuration> + </execution> + </executions> + </plugin> + + <!-- generate javdoc --> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-javadoc-plugin</artifactId> + <executions> + <!-- generate xml javadoc --> + <execution> + <id>xml-doclet</id> + <phase>generate-resources</phase> + <goals> + <goal>javadoc</goal> + </goals> + <configuration> + <doclet>com.github.markusbernhardt.xmldoclet.XmlDoclet</doclet> + <additionalparam>-d ${project.build.directory}/generated-resources/xml-javadoc -filename ${project.artifactId}-${project.version}-javadoc.xml</additionalparam> + <useStandardDocletOptions>false</useStandardDocletOptions> + <docletArtifact> + <groupId>com.github.markusbernhardt</groupId> + <artifactId>xml-doclet</artifactId> + <version>1.0.4</version> + </docletArtifact> + </configuration> + </execution> + </executions> + </plugin> + <!-- Transform xml javadoc to stripped down version containing only class/interface comments and tags--> + <plugin> + <groupId>org.codehaus.mojo</groupId> + <artifactId>xml-maven-plugin</artifactId> + <version>1.0</version> + <executions> + <execution> + <id>transform-xmljavadoc</id> + <phase>generate-resources</phase> + <goals> + <goal>transform</goal> + </goals> + </execution> + </executions> + <configuration> + <transformationSets> + <transformationSet> + <dir>${project.build.directory}/generated-resources/xml-javadoc</dir> + <includes> + <include>${project.artifactId}-${project.version}-javadoc.xml</include> + </includes> + <stylesheet>XmlJavadocCommentsExtractor.xsl</stylesheet> + <outputDir>${project.build.directory}/generated-resources/xml-javadoc</outputDir> + </transformationSet> + </transformationSets> + </configuration> + </plugin> + <!-- copy xml javadoc to class jar --> + <plugin> + <artifactId>maven-resources-plugin</artifactId> + <version>2.6</version> + <executions> + <execution> + <id>copy-resources</id> + <phase>process-resources</phase> + <goals> + <goal>copy-resources</goal> + </goals> + <configuration> + <outputDirectory>${basedir}/target/classes</outputDirectory> + <resources> + <resource> + <directory>${project.build.directory}/generated-resources/xml-javadoc</directory> + <includes> + <include>${project.artifactId}-${project.version}-javadoc.xml</include> + </includes> + <filtering>true</filtering> + </resource> + </resources> + </configuration> + </execution> + </executions> + </plugin> + + </plugins> + + </build> + + <dependencies> + <!-- add your dependencies here --> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>malhar-library</artifactId> + <version>3.4.0</version> + <!-- + If you know that your application does not need transitive dependencies pulled in by malhar-library, + uncomment the following to reduce the size of your app package. + --> + <!-- + <exclusions> + <exclusion> + <groupId>*</groupId> + <artifactId>*</artifactId> + </exclusion> + </exclusions> + --> + </dependency> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>malhar-contrib</artifactId> + <version>3.4.0</version> + </dependency> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>apex-common</artifactId> + <version>${apex.version}</version> + <scope>provided</scope> + </dependency> + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + <version>4.10</version> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>apex-engine</artifactId> + <version>${apex.version}</version> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.apache.kafka</groupId> + <artifactId>kafka_2.8.2</artifactId> + <version>0.8.1</version> + <exclusions> + <exclusion> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-log4j12</artifactId> + </exclusion> + <exclusion> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-simple</artifactId> + </exclusion> + <exclusion> + <groupId>log4j</groupId> + <artifactId>log4j</artifactId> + </exclusion> + <exclusion> + <groupId>org.apache.zookeeper</groupId> + <artifactId>zookeeper</artifactId> + </exclusion> + </exclusions> + </dependency> + <dependency> + <groupId>info.batey.kafka</groupId> + <artifactId>kafka-unit</artifactId> + <version>0.3</version> + <exclusions> + <exclusion> + <groupId>*</groupId> + <artifactId>*</artifactId> + </exclusion> + </exclusions> + </dependency> + + </dependencies> + +</project> http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/src/assemble/appPackage.xml ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/src/assemble/appPackage.xml b/examples/hdfs2kafka/src/assemble/appPackage.xml new file mode 100644 index 0000000..7ad071c --- /dev/null +++ b/examples/hdfs2kafka/src/assemble/appPackage.xml @@ -0,0 +1,43 @@ +<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"; + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; + xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd";> + <id>appPackage</id> + <formats> + <format>jar</format> + </formats> + <includeBaseDirectory>false</includeBaseDirectory> + <fileSets> + <fileSet> + <directory>${basedir}/target/</directory> + <outputDirectory>/app</outputDirectory> + <includes> + <include>${project.artifactId}-${project.version}.jar</include> + </includes> + </fileSet> + <fileSet> + <directory>${basedir}/target/deps</directory> + <outputDirectory>/lib</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/site/conf</directory> + <outputDirectory>/conf</outputDirectory> + <includes> + <include>*.xml</include> + </includes> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/META-INF</directory> + <outputDirectory>/META-INF</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/app</directory> + <outputDirectory>/app</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/resources</directory> + <outputDirectory>/resources</outputDirectory> + </fileSet> + </fileSets> + +</assembly> + http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/src/main/java/com/example/myapexapp/Application.java ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/src/main/java/com/example/myapexapp/Application.java b/examples/hdfs2kafka/src/main/java/com/example/myapexapp/Application.java new file mode 100644 index 0000000..447ae1c --- /dev/null +++ b/examples/hdfs2kafka/src/main/java/com/example/myapexapp/Application.java @@ -0,0 +1,26 @@ +package com.example.myapexapp; + +import org.apache.hadoop.conf.Configuration; + +import com.datatorrent.api.annotation.ApplicationAnnotation; +import com.datatorrent.api.StreamingApplication; +import com.datatorrent.api.DAG; +import com.datatorrent.api.DAG.Locality; +import com.datatorrent.contrib.kafka.KafkaSinglePortOutputOperator; +import org.apache.apex.malhar.lib.fs.LineByLineFileInputOperator; + +@ApplicationAnnotation(name="Hdfs2Kafka") +public class Application implements StreamingApplication +{ + + @Override + public void populateDAG(DAG dag, Configuration conf) + { + LineByLineFileInputOperator in = dag.addOperator("lines", + LineByLineFileInputOperator.class); + + KafkaSinglePortOutputOperator<String,String> out = dag.addOperator("kafkaOutput", new KafkaSinglePortOutputOperator<String,String>()); + + dag.addStream("data", in.output, out.inputPort).setLocality(Locality.CONTAINER_LOCAL); + } +} http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/src/main/resources/META-INF/properties.xml ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/src/main/resources/META-INF/properties.xml b/examples/hdfs2kafka/src/main/resources/META-INF/properties.xml new file mode 100644 index 0000000..7c624ca --- /dev/null +++ b/examples/hdfs2kafka/src/main/resources/META-INF/properties.xml @@ -0,0 +1,16 @@ +<?xml version="1.0"?> +<configuration> + <property> + <name>dt.operator.kafkaOutput.prop.topic</name> + <value>hdfs2kafka</value> + </property> + <property> + <name>dt.operator.lines.prop.directory</name> + <value>/tmp/hdfs2kafka</value> + </property> + <property> + <name>dt.operator.kafkaOutput.prop.producerProperties</name> + <value>serializer.class=kafka.serializer.StringEncoder,producer.type=async,metadata.broker.list=localhost:9092</value> + </property> +</configuration> + http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/src/test/java/com/example/myapexapp/ApplicationTest.java ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/src/test/java/com/example/myapexapp/ApplicationTest.java b/examples/hdfs2kafka/src/test/java/com/example/myapexapp/ApplicationTest.java new file mode 100644 index 0000000..2c415be --- /dev/null +++ b/examples/hdfs2kafka/src/test/java/com/example/myapexapp/ApplicationTest.java @@ -0,0 +1,132 @@ +package com.example.myapexapp; + +import java.io.File; +import java.io.IOException; + +import java.util.List; +import java.util.concurrent.TimeoutException; + +import javax.validation.ConstraintViolationException; + +import org.junit.Assert; +import org.junit.Rule; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.commons.io.FileUtils; +import org.apache.commons.lang3.StringUtils; +import org.apache.hadoop.conf.Configuration; + +import org.junit.Test; + +import info.batey.kafka.unit.KafkaUnitRule; +import info.batey.kafka.unit.KafkaUnit; + +import kafka.producer.KeyedMessage; + +import com.datatorrent.api.LocalMode; +import com.example.myapexapp.Application; + +import static org.junit.Assert.assertTrue; + +/** + * Test the DAG declaration in local mode. + */ +public class ApplicationTest { + private static final Logger LOG = LoggerFactory.getLogger(ApplicationTest.class); + private static final String TOPIC = "hdfs2kafka"; + private static final String directory = "target/hdfs2kafka"; + private static final String FILE_NAME = "messages.txt"; + + private static final int zkPort = 2181; + private static final int brokerPort = 9092; + private static final String BROKER = "localhost:" + brokerPort; + //private static final String FILE_PATH = FILE_DIR + "/" + FILE_NAME + ".0"; // first part + + // test messages + private static String[] lines = + { + "1st line", + "2nd line", + "3rd line", + "4th line", + "5th line", + }; + + // broker port must match properties.xml + @Rule + public KafkaUnitRule kafkaUnitRule = new KafkaUnitRule(zkPort, brokerPort); + + + @Test + public void testApplication() throws IOException, Exception { + try { + // create file in monitored HDFS directory + createFile(); + + // run app asynchronously; terminate after results are checked + LocalMode.Controller lc = asyncRun(); + + // get messages from Kafka topic and compare with input + chkOutput(); + + lc.shutdown(); + } catch (ConstraintViolationException e) { + Assert.fail("constraint violations: " + e.getConstraintViolations()); + } + } + + // create a file with content from 'lines' + private void createFile() throws IOException { + // remove old file and create new one + File file = new File(directory, FILE_NAME); + FileUtils.deleteQuietly(file); + try { + String data = StringUtils.join(lines, "\n") + "\n"; // add final newline + FileUtils.writeStringToFile(file, data, "UTF-8"); + } catch (IOException e) { + LOG.error("Error: Failed to create file {} in {}", FILE_NAME, directory); + e.printStackTrace(); + } + LOG.debug("Created file {} with {} lines in {}", + FILE_NAME, lines.length, directory); + } + + private LocalMode.Controller asyncRun() throws Exception { + Configuration conf = getConfig(); + LocalMode lma = LocalMode.newInstance(); + lma.prepareDAG(new Application(), conf); + LocalMode.Controller lc = lma.getController(); + lc.runAsync(); + return lc; + } + + private Configuration getConfig() { + Configuration conf = new Configuration(false); + conf.addResource(this.getClass().getResourceAsStream("/META-INF/properties.xml")); + conf.set("dt.operator.lines.prop.directory", directory); + return conf; + } + + private void chkOutput() throws Exception { + KafkaUnit ku = kafkaUnitRule.getKafkaUnit(); + List<String> messages = null; + + // wait for messages to appear in kafka + Thread.sleep(10000); + + try { + messages = ku.readMessages(TOPIC, lines.length); + } catch (Exception e) { + LOG.error("Error: Got exception {}", e); + } + + int i = 0; + for (String msg : messages) { + assertTrue("Error: message mismatch", msg.equals(lines[i])); + ++i; + } + } + +} http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/hdfs2kafka/src/test/resources/log4j.properties ---------------------------------------------------------------------- diff --git a/examples/hdfs2kafka/src/test/resources/log4j.properties b/examples/hdfs2kafka/src/test/resources/log4j.properties new file mode 100644 index 0000000..98544e8 --- /dev/null +++ b/examples/hdfs2kafka/src/test/resources/log4j.properties @@ -0,0 +1,22 @@ +log4j.rootLogger=DEBUG,CONSOLE + +log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender +log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout +log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c{2} %M - %m%n + +log4j.appender.RFA=org.apache.log4j.RollingFileAppender +log4j.appender.RFA.layout=org.apache.log4j.PatternLayout +log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c{2} %M - %m%n +log4j.appender.RFA.File=/tmp/app.log + +# to enable, add SYSLOG to rootLogger +log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender +log4j.appender.SYSLOG.syslogHost=127.0.0.1 +log4j.appender.SYSLOG.layout=org.apache.log4j.PatternLayout +log4j.appender.SYSLOG.layout.conversionPattern=${dt.cid} %-5p [%t] %c{2} %x - %m%n +log4j.appender.SYSLOG.Facility=LOCAL1 + +#log4j.logger.org.apache.commons.beanutils=warn +log4j.logger.com.datatorrent=debug +log4j.logger.org.apache.apex=debug +log4j.logger.org=info http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/README.md ---------------------------------------------------------------------- diff --git a/examples/kafka/README.md b/examples/kafka/README.md new file mode 100644 index 0000000..1cecdaa --- /dev/null +++ b/examples/kafka/README.md @@ -0,0 +1,6 @@ +This sample application show how to read lines from a Kafka topic using the new (0.9) +Kafka input operator and write them out to HDFS using rolling files with a bounded size. + +The output files start out with a `.tmp` extension and get renamed when they reach the +size bound. Additional operators to perform parsing, aggregation or filtering can be +inserted into this pipeline as needed. http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/XmlJavadocCommentsExtractor.xsl ---------------------------------------------------------------------- diff --git a/examples/kafka/XmlJavadocCommentsExtractor.xsl b/examples/kafka/XmlJavadocCommentsExtractor.xsl new file mode 100644 index 0000000..08075a9 --- /dev/null +++ b/examples/kafka/XmlJavadocCommentsExtractor.xsl @@ -0,0 +1,44 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + + 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. + +--> + +<!-- + Document : XmlJavadocCommentsExtractor.xsl + Created on : September 16, 2014, 11:30 AM + Description: + The transformation strips off all information except for comments and tags from xml javadoc generated by xml-doclet. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"> + <xsl:output method="xml" standalone="yes"/> + + <!-- copy xml by selecting only the following nodes, attributes and text --> + <xsl:template match="node()|text()|@*"> + <xsl:copy> + <xsl:apply-templates select="root|package|class|interface|method|field|type|comment|tag|text()|@name|@qualified|@text"/> + </xsl:copy> + </xsl:template> + + <!-- Strip off the following paths from the selected xml --> + <xsl:template match="//root/package/interface/interface + |//root/package/interface/method/@qualified + |//root/package/class/interface + |//root/package/class/class + |//root/package/class/method/@qualified + |//root/package/class/field/@qualified" /> + + <xsl:strip-space elements="*"/> +</xsl:stylesheet> http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/pom.xml ---------------------------------------------------------------------- diff --git a/examples/kafka/pom.xml b/examples/kafka/pom.xml new file mode 100644 index 0000000..ce325bf --- /dev/null +++ b/examples/kafka/pom.xml @@ -0,0 +1,307 @@ +<?xml version="1.0" encoding="UTF-8"?> +<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";> + <modelVersion>4.0.0</modelVersion> + + <groupId>com.example</groupId> + <version>1.0-SNAPSHOT</version> + <artifactId>kafka2hdfs</artifactId> + <packaging>jar</packaging> + + <!-- change these to the appropriate values --> + <name>New Kafka Input Operator</name> + <description>Example Use of New Kafka Input Operator</description> + + <properties> + <!-- change this if you desire to use a different version of Apex Core --> + <apex.version>3.5.0</apex.version> + <apex.apppackage.classpath>lib/*.jar</apex.apppackage.classpath> + <malhar.version>3.6.0</malhar.version> + </properties> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-eclipse-plugin</artifactId> + <version>2.9</version> + <configuration> + <downloadSources>true</downloadSources> + </configuration> + </plugin> + <plugin> + <artifactId>maven-compiler-plugin</artifactId> + <version>3.3</version> + <configuration> + <encoding>UTF-8</encoding> + <source>1.7</source> + <target>1.7</target> + <debug>true</debug> + <optimize>false</optimize> + <showDeprecation>true</showDeprecation> + <showWarnings>true</showWarnings> + </configuration> + </plugin> + <plugin> + <artifactId>maven-dependency-plugin</artifactId> + <version>2.8</version> + <executions> + <execution> + <id>copy-dependencies</id> + <phase>prepare-package</phase> + <goals> + <goal>copy-dependencies</goal> + </goals> + <configuration> + <outputDirectory>target/deps</outputDirectory> + <includeScope>runtime</includeScope> + </configuration> + </execution> + </executions> + </plugin> + + <plugin> + <artifactId>maven-assembly-plugin</artifactId> + <executions> + <execution> + <id>app-package-assembly</id> + <phase>package</phase> + <goals> + <goal>single</goal> + </goals> + <configuration> + <finalName>${project.artifactId}-${project.version}-apexapp</finalName> + <appendAssemblyId>false</appendAssemblyId> + <descriptors> + <descriptor>src/assemble/appPackage.xml</descriptor> + </descriptors> + <archiverConfig> + <defaultDirectoryMode>0755</defaultDirectoryMode> + </archiverConfig> + <archive> + <manifestEntries> + <Class-Path>${apex.apppackage.classpath}</Class-Path> + <DT-Engine-Version>${apex.version}</DT-Engine-Version> + <DT-App-Package-Group-Id>${project.groupId}</DT-App-Package-Group-Id> + <DT-App-Package-Name>${project.artifactId}</DT-App-Package-Name> + <DT-App-Package-Version>${project.version}</DT-App-Package-Version> + <DT-App-Package-Display-Name>${project.name}</DT-App-Package-Display-Name> + <DT-App-Package-Description>${project.description}</DT-App-Package-Description> + </manifestEntries> + </archive> + </configuration> + </execution> + </executions> + </plugin> + + <plugin> + <artifactId>maven-antrun-plugin</artifactId> + <version>1.7</version> + <executions> + <execution> + <phase>package</phase> + <configuration> + <target> + <move file="${project.build.directory}/${project.artifactId}-${project.version}-apexapp.jar" + tofile="${project.build.directory}/${project.artifactId}-${project.version}.apa" /> + </target> + </configuration> + <goals> + <goal>run</goal> + </goals> + </execution> + <execution> + <!-- create resource directory for xml javadoc--> + <id>createJavadocDirectory</id> + <phase>generate-resources</phase> + <configuration> + <tasks> + <delete dir="${project.build.directory}/generated-resources/xml-javadoc"/> + <mkdir dir="${project.build.directory}/generated-resources/xml-javadoc"/> + </tasks> + </configuration> + <goals> + <goal>run</goal> + </goals> + </execution> + </executions> + </plugin> + + <plugin> + <groupId>org.codehaus.mojo</groupId> + <artifactId>build-helper-maven-plugin</artifactId> + <version>1.9.1</version> + <executions> + <execution> + <id>attach-artifacts</id> + <phase>package</phase> + <goals> + <goal>attach-artifact</goal> + </goals> + <configuration> + <artifacts> + <artifact> + <file>target/${project.artifactId}-${project.version}.apa</file> + <type>apa</type> + </artifact> + </artifacts> + <skipAttach>false</skipAttach> + </configuration> + </execution> + </executions> + </plugin> + + <!-- generate javdoc --> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-javadoc-plugin</artifactId> + <executions> + <!-- generate xml javadoc --> + <execution> + <id>xml-doclet</id> + <phase>generate-resources</phase> + <goals> + <goal>javadoc</goal> + </goals> + <configuration> + <doclet>com.github.markusbernhardt.xmldoclet.XmlDoclet</doclet> + <additionalparam>-d ${project.build.directory}/generated-resources/xml-javadoc -filename ${project.artifactId}-${project.version}-javadoc.xml</additionalparam> + <useStandardDocletOptions>false</useStandardDocletOptions> + <docletArtifact> + <groupId>com.github.markusbernhardt</groupId> + <artifactId>xml-doclet</artifactId> + <version>1.0.4</version> + </docletArtifact> + </configuration> + </execution> + </executions> + </plugin> + <!-- Transform xml javadoc to stripped down version containing only class/interface comments and tags--> + <plugin> + <groupId>org.codehaus.mojo</groupId> + <artifactId>xml-maven-plugin</artifactId> + <version>1.0</version> + <executions> + <execution> + <id>transform-xmljavadoc</id> + <phase>generate-resources</phase> + <goals> + <goal>transform</goal> + </goals> + </execution> + </executions> + <configuration> + <transformationSets> + <transformationSet> + <dir>${project.build.directory}/generated-resources/xml-javadoc</dir> + <includes> + <include>${project.artifactId}-${project.version}-javadoc.xml</include> + </includes> + <stylesheet>XmlJavadocCommentsExtractor.xsl</stylesheet> + <outputDir>${project.build.directory}/generated-resources/xml-javadoc</outputDir> + </transformationSet> + </transformationSets> + </configuration> + </plugin> + <!-- copy xml javadoc to class jar --> + <plugin> + <artifactId>maven-resources-plugin</artifactId> + <version>2.6</version> + <executions> + <execution> + <id>copy-resources</id> + <phase>process-resources</phase> + <goals> + <goal>copy-resources</goal> + </goals> + <configuration> + <outputDirectory>${basedir}/target/classes</outputDirectory> + <resources> + <resource> + <directory>${project.build.directory}/generated-resources/xml-javadoc</directory> + <includes> + <include>${project.artifactId}-${project.version}-javadoc.xml</include> + </includes> + <filtering>true</filtering> + </resource> + </resources> + </configuration> + </execution> + </executions> + </plugin> + + </plugins> + + </build> + + <dependencies> + <!-- add your dependencies here --> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>malhar-kafka</artifactId> + <version>${malhar.version}</version> + <exclusions> + <exclusion> + <groupId>org.apache.kafka</groupId> + <artifactId>kafka-clients</artifactId> + </exclusion> + </exclusions> + </dependency> + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>malhar-library</artifactId> + <version>${malhar.version}</version> + <!-- + If you know that your application does not need transitive dependencies pulled in by malhar-library, + uncomment the following to reduce the size of your app package. + --> + <exclusions> + <exclusion> + <groupId>*</groupId> + <artifactId>*</artifactId> + </exclusion> + </exclusions> + </dependency> + + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>apex-common</artifactId> + <version>${apex.version}</version> + <scope>provided</scope> + </dependency> + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + <version>4.10</version> + <scope>test</scope> + </dependency> + + <dependency> + <groupId>org.apache.apex</groupId> + <artifactId>apex-engine</artifactId> + <version>${apex.version}</version> + <scope>test</scope> + </dependency> + + <dependency> + <groupId>org.apache.kafka</groupId> + <artifactId>kafka_2.11</artifactId> + <version>0.9.0.1</version> + </dependency> + + <dependency> + <groupId>info.batey.kafka</groupId> + <artifactId>kafka-unit</artifactId> + <version>0.4</version> + <exclusions> + <exclusion> + <groupId>*</groupId> + <artifactId>*</artifactId> + </exclusion> + </exclusions> + </dependency> + + + + </dependencies> + +</project> http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/assemble/appPackage.xml ---------------------------------------------------------------------- diff --git a/examples/kafka/src/assemble/appPackage.xml b/examples/kafka/src/assemble/appPackage.xml new file mode 100644 index 0000000..7ad071c --- /dev/null +++ b/examples/kafka/src/assemble/appPackage.xml @@ -0,0 +1,43 @@ +<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"; + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; + xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd";> + <id>appPackage</id> + <formats> + <format>jar</format> + </formats> + <includeBaseDirectory>false</includeBaseDirectory> + <fileSets> + <fileSet> + <directory>${basedir}/target/</directory> + <outputDirectory>/app</outputDirectory> + <includes> + <include>${project.artifactId}-${project.version}.jar</include> + </includes> + </fileSet> + <fileSet> + <directory>${basedir}/target/deps</directory> + <outputDirectory>/lib</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/site/conf</directory> + <outputDirectory>/conf</outputDirectory> + <includes> + <include>*.xml</include> + </includes> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/META-INF</directory> + <outputDirectory>/META-INF</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/app</directory> + <outputDirectory>/app</outputDirectory> + </fileSet> + <fileSet> + <directory>${basedir}/src/main/resources/resources</directory> + <outputDirectory>/resources</outputDirectory> + </fileSet> + </fileSets> + +</assembly> + http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/main/java/com/example/myapexapp/KafkaApp.java ---------------------------------------------------------------------- diff --git a/examples/kafka/src/main/java/com/example/myapexapp/KafkaApp.java b/examples/kafka/src/main/java/com/example/myapexapp/KafkaApp.java new file mode 100644 index 0000000..09089eb --- /dev/null +++ b/examples/kafka/src/main/java/com/example/myapexapp/KafkaApp.java @@ -0,0 +1,26 @@ +package com.example.myapexapp; + +import org.apache.apex.malhar.kafka.AbstractKafkaInputOperator; +import org.apache.apex.malhar.kafka.KafkaSinglePortInputOperator; +import org.apache.hadoop.conf.Configuration; + +import com.datatorrent.api.DAG; +import com.datatorrent.api.StreamingApplication; +import com.datatorrent.api.annotation.ApplicationAnnotation; + +@ApplicationAnnotation(name="Kafka2HDFS") +public class KafkaApp implements StreamingApplication +{ + + @Override + public void populateDAG(DAG dag, Configuration conf) + { + KafkaSinglePortInputOperator in + = dag.addOperator("kafkaIn", new KafkaSinglePortInputOperator()); + + in.setInitialOffset(AbstractKafkaInputOperator.InitialOffset.EARLIEST.name()); + LineOutputOperator out = dag.addOperator("fileOut", new LineOutputOperator()); + + dag.addStream("data", in.outputPort, out.input); + } +} http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/main/java/com/example/myapexapp/LineOutputOperator.java ---------------------------------------------------------------------- diff --git a/examples/kafka/src/main/java/com/example/myapexapp/LineOutputOperator.java b/examples/kafka/src/main/java/com/example/myapexapp/LineOutputOperator.java new file mode 100644 index 0000000..2b184c6 --- /dev/null +++ b/examples/kafka/src/main/java/com/example/myapexapp/LineOutputOperator.java @@ -0,0 +1,34 @@ +package com.example.myapexapp; + +import java.nio.charset.Charset; +import java.nio.charset.StandardCharsets; + +import javax.validation.constraints.NotNull; + +import com.datatorrent.lib.io.fs.AbstractFileOutputOperator; + +/** + * Converts each tuple to a string and writes it as a new line to the output file + */ +public class LineOutputOperator extends AbstractFileOutputOperator<byte[]> +{ + private static final String NL = System.lineSeparator(); + private static final Charset CS = StandardCharsets.UTF_8; + + @NotNull + private String baseName; + + @Override + public byte[] getBytesForTuple(byte[] t) { + String result = new String(t, CS) + NL; + return result.getBytes(CS); + } + + @Override + protected String getFileName(byte[] tuple) { + return baseName; + } + + public String getBaseName() { return baseName; } + public void setBaseName(String v) { baseName = v; } +} http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/main/resources/META-INF/properties.xml ---------------------------------------------------------------------- diff --git a/examples/kafka/src/main/resources/META-INF/properties.xml b/examples/kafka/src/main/resources/META-INF/properties.xml new file mode 100644 index 0000000..a896168 --- /dev/null +++ b/examples/kafka/src/main/resources/META-INF/properties.xml @@ -0,0 +1,48 @@ +<?xml version="1.0"?> +<configuration> + <!-- + <property> + <name>dt.application.{appName}.operator.{opName}.prop.{propName}</name> + <value>some-default-value (if value is not specified, it is required from the user or custom config when launching)</value> + </property> + --> + <!-- memory assigned to app master + <property> + <name>dt.attr.MASTER_MEMORY_MB</name> + <value>2048</value> + </property> + --> + + <!-- kafka input operator (0.9) --> + <property> + <name>dt.application.Kafka2HDFS.operator.kafkaIn.prop.initialPartitionCount</name> + <value>1</value> + </property> + <property> + <name>dt.application.Kafka2HDFS.operator.kafkaIn.prop.topics</name> + <value>kafka2hdfs</value> + </property> + <property> + <name>dt.application.Kafka2HDFS.operator.kafkaIn.prop.clusters</name> + <value>localhost:9092</value> <!-- broker (NOT zookeeper) address --> + </property> + + <!-- file output operator --> + <property> + <name>dt.application.Kafka2HDFS.operator.fileOut.prop.filePath</name> + <value>/tmp/FromKafka</value> + </property> + <property> + <name>dt.application.Kafka2HDFS.operator.fileOut.prop.baseName</name> + <value>test</value> + </property> + <property> + <name>dt.application.Kafka2HDFS.operator.fileOut.prop.maxLength</name> + <value>1024</value> + </property> + <property> + <name>dt.application.Kafka2HDFS.operator.fileOut.prop.rotationWindows</name> + <value>4</value> + </property> +</configuration> + http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/test/java/com/example/myapexapp/ApplicationTest.java ---------------------------------------------------------------------- diff --git a/examples/kafka/src/test/java/com/example/myapexapp/ApplicationTest.java b/examples/kafka/src/test/java/com/example/myapexapp/ApplicationTest.java new file mode 100644 index 0000000..635d25a --- /dev/null +++ b/examples/kafka/src/test/java/com/example/myapexapp/ApplicationTest.java @@ -0,0 +1,152 @@ +/** + * Put your copyright and license info here. + */ +package com.example.myapexapp; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileReader; + +import java.util.ArrayList; + +import javax.validation.ConstraintViolationException; + +import org.apache.apex.malhar.kafka.AbstractKafkaInputOperator; +import org.apache.hadoop.conf.Configuration; + +import org.junit.Assert; +import org.junit.Rule; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import info.batey.kafka.unit.KafkaUnitRule; +import info.batey.kafka.unit.KafkaUnit; + +import kafka.producer.KeyedMessage; + +import com.datatorrent.api.LocalMode; + +import static org.junit.Assert.assertTrue; + +/** + * Test the DAG declaration in local mode. + */ +public class ApplicationTest { + private static final Logger LOG = LoggerFactory.getLogger(ApplicationTest.class); + private static final String TOPIC = "kafka2hdfs"; + + private static final int zkPort = 2181; + private static final int brokerPort = 9092; + private static final String BROKER = "localhost:" + brokerPort; + private static final String FILE_NAME = "test"; + private static final String FILE_DIR = "/tmp/FromKafka"; + private static final String FILE_PATH = FILE_DIR + "/" + FILE_NAME + ".0"; // first part + + // test messages + private static String[] lines = + { + "1st line", + "2nd line", + "3rd line", + "4th line", + "5th line", + }; + + // broker port must match properties.xml + @Rule + public KafkaUnitRule kafkaUnitRule = new KafkaUnitRule(zkPort, brokerPort); + + @Test + public void testApplication() throws Exception { + try { + // delete output file if it exists + File file = new File(FILE_PATH); + file.delete(); + + // write messages to Kafka topic + writeToTopic(); + + // run app asynchronously; terminate after results are checked + LocalMode.Controller lc = asyncRun(); + + // check for presence of output file + chkOutput(); + + // compare output lines to input + compare(); + + lc.shutdown(); + } catch (ConstraintViolationException e) { + Assert.fail("constraint violations: " + e.getConstraintViolations()); + } + } + + private void writeToTopic() { + KafkaUnit ku = kafkaUnitRule.getKafkaUnit(); + ku.createTopic(TOPIC); + for (String line : lines) { + KeyedMessage<String, String> kMsg = new KeyedMessage<>(TOPIC, line); + ku.sendMessages(kMsg); + } + LOG.debug("Sent messages to topic {}", TOPIC); + } + + private Configuration getConfig() { + Configuration conf = new Configuration(false); + String pre = "dt.operator.kafkaIn.prop."; + conf.setEnum(pre + "initialOffset", + AbstractKafkaInputOperator.InitialOffset.EARLIEST); + conf.setInt(pre + "initialPartitionCount", 1); + conf.set( pre + "topics", TOPIC); + conf.set( pre + "clusters", BROKER); + + pre = "dt.operator.fileOut.prop."; + conf.set( pre + "filePath", FILE_DIR); + conf.set( pre + "baseName", FILE_NAME); + conf.setInt(pre + "maxLength", 40); + conf.setInt(pre + "rotationWindows", 3); + + return conf; + } + + private LocalMode.Controller asyncRun() throws Exception { + Configuration conf = getConfig(); + LocalMode lma = LocalMode.newInstance(); + lma.prepareDAG(new KafkaApp(), conf); + LocalMode.Controller lc = lma.getController(); + lc.runAsync(); + return lc; + } + + private static void chkOutput() throws Exception { + File file = new File(FILE_PATH); + final int MAX = 60; + for (int i = 0; i < MAX && (! file.exists()); ++i ) { + LOG.debug("Sleeping, i = {}", i); + Thread.sleep(1000); + } + if (! file.exists()) { + String msg = String.format("Error: %s not found after %d seconds%n", FILE_PATH, MAX); + throw new RuntimeException(msg); + } + } + + private static void compare() throws Exception { + // read output file + File file = new File(FILE_PATH); + BufferedReader br = new BufferedReader(new FileReader(file)); + ArrayList<String> list = new ArrayList<>(); + String line; + while (null != (line = br.readLine())) { + list.add(line); + } + br.close(); + + // compare + Assert.assertEquals("number of lines", list.size(), lines.length); + for (int i = 0; i < lines.length; ++i) { + assertTrue("line", lines[i].equals(list.get(i))); + } + } +} http://git-wip-us.apache.org/repos/asf/apex-malhar/blob/24027edf/examples/kafka/src/test/resources/log4j.properties ---------------------------------------------------------------------- diff --git a/examples/kafka/src/test/resources/log4j.properties b/examples/kafka/src/test/resources/log4j.properties new file mode 100644 index 0000000..3bfcdc5 --- /dev/null +++ b/examples/kafka/src/test/resources/log4j.properties @@ -0,0 +1,21 @@ +log4j.rootLogger=DEBUG,CONSOLE + +log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender +log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout +log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c{2} %M - %m%n + +log4j.appender.RFA=org.apache.log4j.RollingFileAppender +log4j.appender.RFA.layout=org.apache.log4j.PatternLayout +log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c{2} %M - %m%n +log4j.appender.RFA.File=/tmp/app.log + +# to enable, add SYSLOG to rootLogger +log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender +log4j.appender.SYSLOG.syslogHost=127.0.0.1 +log4j.appender.SYSLOG.layout=org.apache.log4j.PatternLayout +log4j.appender.SYSLOG.layout.conversionPattern=${dt.cid} %-5p [%t] %c{2} %x - %m%n +log4j.appender.SYSLOG.Facility=LOCAL1 + +log4j.logger.org=info +#log4j.logger.org.apache.commons.beanutils=warn +log4j.logger.com.datatorrent=debug
