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NIFI-4428: Replaced JSON input with RecordReader 

using per-record flowfiles
NIFI-4428: Added initial L&N, fixed dependency hierarchy

NIFI-4428: Exposed additional ZK properties

NIFI-4428: More work to reduce dependencies in Druid artifacts

NIFI-4428: Removed inaccessible attribute

NIFI-4428: Fixed typo in property description

NIFI-4428: Updates to Druid NAR L&N

NIFI-4428: Updated LICENSE to refer to ICU License for icu4j
This commit is contained in:
Matthew Burgess 2017-11-22 11:36:30 -05:00 committed by joewitt
parent 7fa0a34aba
commit ecb8067883
26 changed files with 2761 additions and 474 deletions
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90
nifi-assembly/LICENSE
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@ -2073,3 +2073,93 @@ style license.
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.
The binary distribution of this product bundles 'ANTLR 4' which is available
under a "3-clause BSD" license. For details see http://www.antlr.org/license.html
Copyright (c) 2012 Terence Parr and Sam Harwell
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 author 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 'icu4j'
which is available under a X-style license.
COPYRIGHT AND PERMISSION NOTICE
Copyright (c) 1995-2011 International Business Machines Corporation and others
All rights reserved.
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, and/or
sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
provided that the above copyright notice(s) and this permission notice appear in all copies of
the Software and that both the above copyright notice(s) and this permission notice appear in
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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
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authorization of the copyright holder.
The binary distribution of this product bundles 'Scala Library, Scala Parser, Scala Reflect' which is available
under a "3-clause BSD" license. For details see https://github.com/scala/scala/blob/v2.11.7/doc/LICENSE.md)
This software includes projects with other licenses -- see `doc/LICENSE.md`.
Copyright (c) 2002-2017 EPFL
Copyright (c) 2011-2017 Lightbend, 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.
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155
nifi-assembly/NOTICE
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@ -1553,6 +1553,160 @@ The following binary components are provided under the Apache Software License v
The following NOTICE information applies:
DataStax Java Driver for Apache Cassandra - Core
Copyright (C) 2012-2017 DataStax Inc.
(ASLv2) bytebuffer-collections
The following NOTICE information applies:
bytebuffer-collections
Copyright 2011-2015 Metamarkets Group Inc.
(ASLv2) Druid
The following NOTICE information applies:
Druid - a distributed column store.
Copyright 2012-2016 Metamarkets Group Inc.
Copyright 2015-2016 Yahoo! Inc.
Copyright 2015-2016 Imply Data, Inc.
-------------------------------------------------------------------------------
This product contains a modified version of Andrew Duffy's java-alphanum library
* LICENSE:
* https://github.com/amjjd/java-alphanum/blob/5c036e2e492cc7f3b7bcdebd46b8f9e2a87927e5/LICENSE.txt (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/amjjd/java-alphanum
This product contains conjunctive normal form conversion code and a variance aggregator algorithm adapted from Apache Hive
* LICENSE:
* https://github.com/apache/hive/blob/branch-2.0/LICENSE (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/apache/hive
This product contains variable length long deserialization code adapted from Apache Lucene
* LICENSE:
* https://github.com/apache/lucene-solr/blob/master/lucene/LICENSE.txt (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/apache/lucene-solr
This product contains a modified version of Metamarkets java-util library
* LICENSE:
* https://github.com/metamx/java-util/blob/master/LICENSE (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/metamx/java-util
* COMMIT TAG:
* https://github.com/metamx/java-util/commit/826021f
This product contains a modified version of TestNG 6.8.7
* LICENSE:
* http://testng.org/license/ (Apache License, Version 2.0)
* HOMEPAGE:
* http://testng.org/
This product contains a modified version of Metamarkets bytebuffer-collections library
* LICENSE:
* https://github.com/metamx/bytebuffer-collections/blob/master/LICENSE (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/metamx/bytebuffer-collections
* COMMIT TAG:
* https://github.com/metamx/bytebuffer-collections/commit/3d1e7c8
This product contains SQL query planning code adapted from Apache Calcite
* LICENSE:
* https://github.com/apache/calcite/blob/master/LICENSE (Apache License, Version 2.0)
* HOMEPAGE:
* https://calcite.apache.org/
This product contains a modified version of Metamarkets extendedset library
* LICENSE:
* https://github.com/metamx/extendedset/blob/master/LICENSE (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/metamx/extendedset
* COMMIT TAG:
* https://github.com/metamx/extendedset/commit/c9d647d
This product contains a modified version of Alessandro Colantonio's CONCISE
(COmpressed 'N' Composable Integer SEt) library, extending the functionality of
ConciseSet to use IntBuffers.
* (c) 2010 Alessandro Colantonio
* <mailto:colanton@mat.uniroma3.it>
* <http://ricerca.mat.uniroma3.it/users/colanton>
* LICENSE:
* Apache License, Version 2.0
* HOMEPAGE:
* https://sourceforge.net/projects/concise/
This product contains a modified version of The Guava Authors's Closer class from Guava library:
* LICENSE:
* https://github.com/google/guava/blob/c462d69329709f72a17a64cb229d15e76e72199c/COPYING (Apache License, Version 2.0)
* HOMEPAGE:
* https://github.com/google/guava
* COMMIT TAG:
* https://github.com/google/guava/blob/c462d69329709f72a17a64cb229d15e76e72199c
This product contains code adapted from Apache Hadoop
* LICENSE:
* https://github.com/apache/hadoop/blob/trunk/LICENSE.txt (Apache License, Version 2.0)
* HOMEPAGE:
* http://hadoop.apache.org/
(ASLv2) Emitter
The following NOTICE information applies:
emitter
Copyright 2012-2015 Metamarkets Group Inc.
(ASLv2) Finagle
The following NOTICE information applies:
Copyright 2017, Twitter Inc.
This software contains portions of code from other open-source projects, including:
>>>>>>>>>>>>>>
Apache Thrift
Copyright 2006-2010 The Apache Software Foundation.
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).
(ASLv2) java-util
The following NOTICE information applies:
java-util
Copyright 2011-2017 Metamarkets Group Inc.
(ASLv2) jdbi
The following NOTICE information applies:
This product includes software developed by Brian McCallister
(ASLv2) Joda Convert
The following NOTICE information applies:
Joda Convert
Copyright 2010-present Stephen Colebourne
This product includes software developed by
Joda.org (http://www.joda.org/).
Joda-Convert includes code from Google Guava, which is licensed as follows:
Copyright (C) 2011 The Guava Authors
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.
(ASLv2) loglady
The following NOTICE information applies:
Copyright (c) 2013 Daniel Lundin
(ASLv2) scala_util
The following NOTICE information applies:
Copyright 2012 Metamarkets Group Inc.
(ASLv2) server-metrics
The following NOTICE information applies:
server-metrics
Copyright 2011-2015 Metamarkets Group Inc.
************************
Common Development and Distribution License 1.1
@ -1663,6 +1817,7 @@ Mozilla Public License v2.0
The following binary components are provided under the Mozilla Public License v2.0. See project link for details.
(MPL 2.0) Saxon HE (net.sf.saxon:Saxon-HE:jar:9.6.0-5 - http://www.saxonica.com/)
(MPL 2.0) Rhino (org.mozilla:rhino:jar:1.7R5 - https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Rhino/Download_Rhino)
*****************
Mozilla Public License v1.1

86
nifi-commons/nifi-record/src/main/java/org/apache/nifi/serialization/record/util/DataTypeUtils.java
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@ -28,6 +28,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@ -45,12 +46,14 @@ import org.apache.nifi.serialization.record.Record;
import org.apache.nifi.serialization.record.RecordField;
import org.apache.nifi.serialization.record.RecordFieldType;
import org.apache.nifi.serialization.record.RecordSchema;
import org.apache.nifi.serialization.record.type.ArrayDataType;
import org.apache.nifi.serialization.record.type.ChoiceDataType;
import org.apache.nifi.serialization.record.type.MapDataType;
import org.apache.nifi.serialization.record.type.RecordDataType;
public class DataTypeUtils {
// Regexes for parsing Floting-Point numbers
// Regexes for parsing Floating-Point numbers
private static final String OptionalSign = "[\\-\\+]?";
private static final String Infinity = "(Infinity)";
private static final String NotANumber = "(NaN)";
@ -326,6 +329,87 @@ public class DataTypeUtils {
throw new IllegalTypeConversionException("Cannot convert value [" + value + "] of type " + value.getClass() + " to Map for field " + fieldName);
}
/**
* Creates a native Java object from a given object of a specified type. Non-scalar (complex, nested, etc.) data types are processed iteratively/recursively, such that all
* included objects are native Java objects, rather than Record API objects or implementation-specific objects.
* @param value The object to be converted
* @param dataType The type of the provided object
* @return An object representing a native Java conversion of the given input object
*/
public static Object convertRecordFieldtoObject(final Object value, final DataType dataType) {
if (value == null) {
return null;
}
if (value instanceof Record) {
Record record = (Record) value;
RecordSchema recordSchema = record.getSchema();
if (recordSchema == null) {
throw new IllegalTypeConversionException("Cannot convert value of type Record to Map because Record does not have an associated Schema");
}
final Map<String, Object> recordMap = new HashMap<>();
for (RecordField field : recordSchema.getFields()) {
final DataType fieldDataType = field.getDataType();
final String fieldName = field.getFieldName();
Object fieldValue = record.getValue(fieldName);
if (fieldValue == null) {
recordMap.put(fieldName, null);
} else if (isScalarValue(fieldDataType, fieldValue)) {
recordMap.put(fieldName, fieldValue);
} else if (fieldDataType instanceof RecordDataType) {
Record nestedRecord = (Record) fieldValue;
recordMap.put(fieldName, convertRecordFieldtoObject(nestedRecord, fieldDataType));
} else if (fieldDataType instanceof MapDataType) {
recordMap.put(fieldName, convertRecordMapToJavaMap((Map) fieldValue, ((MapDataType)fieldDataType).getValueType()));
} else if (fieldDataType instanceof ArrayDataType) {
recordMap.put(fieldName, convertRecordArrayToJavaArray((Object[])fieldValue, ((ArrayDataType) fieldDataType).getElementType()));
} else {
throw new IllegalTypeConversionException("Cannot convert value [" + fieldValue + "] of type " + fieldDataType.toString()
+ " to Map for field " + fieldName + " because the type is not supported");
}
}
return recordMap;
} else if (value instanceof Map) {
return convertRecordMapToJavaMap((Map)value, ((MapDataType)dataType).getValueType());
} else if (dataType != null && isScalarValue(dataType, value)) {
return value;
}
throw new IllegalTypeConversionException("Cannot convert value of class " + value.getClass().getName() + " because the type is not supported");
}
public static Map<String, Object> convertRecordMapToJavaMap(final Map<String, Object> map, DataType valueDataType) {
if (map == null) {
return null;
}
Map<String, Object> resultMap = new LinkedHashMap<>();
for (Map.Entry<String, Object> entry : map.entrySet()) {
resultMap.put(entry.getKey(), convertRecordFieldtoObject(entry.getValue(), valueDataType));
}
return resultMap;
}
public static Object[] convertRecordArrayToJavaArray(final Object[] array, DataType elementDataType) {
if (array == null || array.length == 0 || isScalarValue(elementDataType, array[0])) {
return array;
} else {
// Must be an array of complex types, build an array of converted values
Object[] resultArray = new Object[array.length];
for (int i = 0; i < array.length; i++) {
resultArray[i] = convertRecordFieldtoObject(array[i], elementDataType);
}
return resultArray;
}
}
public static boolean isMapTypeCompatible(final Object value) {
return value != null && value instanceof Map;
}

134
nifi-commons/nifi-record/src/test/java/org/apache/nifi/serialization/record/TestDataTypeUtils.java
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@ -17,11 +17,21 @@
package org.apache.nifi.serialization.record;
import org.apache.nifi.serialization.SimpleRecordSchema;
import org.apache.nifi.serialization.record.util.DataTypeUtils;
import org.junit.Assert;
import org.junit.Test;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class TestDataTypeUtils {
/**
@ -33,12 +43,126 @@ public class TestDataTypeUtils {
java.util.Date date = new java.util.Date();
Timestamp ts = DataTypeUtils.toTimestamp(date, null, null);
Assert.assertNotNull(ts);
Assert.assertEquals("Times didn't match", ts.getTime(), date.getTime());
assertNotNull(ts);
assertEquals("Times didn't match", ts.getTime(), date.getTime());
java.sql.Date sDate = new java.sql.Date(date.getTime());
ts = DataTypeUtils.toTimestamp(date, null, null);
Assert.assertNotNull(ts);
Assert.assertEquals("Times didn't match", ts.getTime(), sDate.getTime());
assertNotNull(ts);
assertEquals("Times didn't match", ts.getTime(), sDate.getTime());
}
@Test
public void testConvertRecordMapToJavaMap() {
assertNull(DataTypeUtils.convertRecordMapToJavaMap(null, null));
assertNull(DataTypeUtils.convertRecordMapToJavaMap(null, RecordFieldType.MAP.getDataType()));
Map<String,Object> resultMap = DataTypeUtils.convertRecordMapToJavaMap(new HashMap<>(), RecordFieldType.MAP.getDataType());
assertNotNull(resultMap);
assertTrue(resultMap.isEmpty());
int[] intArray = {3,2,1};
Map<String,Object> inputMap = new HashMap<String,Object>() {{
put("field1", "hello");
put("field2", 1);
put("field3", intArray);
}};
resultMap = DataTypeUtils.convertRecordMapToJavaMap(inputMap, RecordFieldType.STRING.getDataType());
assertNotNull(resultMap);
assertFalse(resultMap.isEmpty());
assertEquals("hello", resultMap.get("field1"));
assertEquals(1, resultMap.get("field2"));
assertTrue(resultMap.get("field3") instanceof int[]);
assertNull(resultMap.get("field4"));
}
@Test
public void testConvertRecordArrayToJavaArray() {
assertNull(DataTypeUtils.convertRecordArrayToJavaArray(null, null));
assertNull(DataTypeUtils.convertRecordArrayToJavaArray(null, RecordFieldType.STRING.getDataType()));
String[] stringArray = {"Hello", "World!"};
Object[] resultArray = DataTypeUtils.convertRecordArrayToJavaArray(stringArray, RecordFieldType.STRING.getDataType());
assertNotNull(resultArray);
for(Object o : resultArray) {
assertTrue(o instanceof String);
}
}
@Test
public void testConvertRecordFieldToObject() {
assertNull(DataTypeUtils.convertRecordFieldtoObject(null, null));
assertNull(DataTypeUtils.convertRecordFieldtoObject(null, RecordFieldType.MAP.getDataType()));
final List<RecordField> fields = new ArrayList<>();
fields.add(new RecordField("defaultOfHello", RecordFieldType.STRING.getDataType(), "hello"));
fields.add(new RecordField("noDefault", RecordFieldType.CHOICE.getChoiceDataType(RecordFieldType.STRING.getDataType())));
fields.add(new RecordField("intField", RecordFieldType.INT.getDataType()));
fields.add(new RecordField("intArray", RecordFieldType.ARRAY.getArrayDataType(RecordFieldType.INT.getDataType())));
// Map of Records with Arrays
List<RecordField> nestedRecordFields = new ArrayList<>();
nestedRecordFields.add(new RecordField("a", RecordFieldType.ARRAY.getArrayDataType(RecordFieldType.INT.getDataType())));
nestedRecordFields.add(new RecordField("b", RecordFieldType.ARRAY.getArrayDataType(RecordFieldType.STRING.getDataType())));
RecordSchema nestedRecordSchema = new SimpleRecordSchema(nestedRecordFields);
fields.add(new RecordField("complex", RecordFieldType.MAP.getMapDataType(RecordFieldType.RECORD.getRecordDataType(nestedRecordSchema))));
final RecordSchema schema = new SimpleRecordSchema(fields);
final Map<String, Object> values = new HashMap<>();
values.put("noDefault", "world");
values.put("intField", 5);
values.put("intArray", new Integer[] {3,2,1});
final Map<String, Object> complexValues = new HashMap<>();
final Map<String, Object> complexValueRecord1 = new HashMap<>();
complexValueRecord1.put("a",new Integer[] {3,2,1});
complexValueRecord1.put("b",new Integer[] {5,4,3});
final Map<String, Object> complexValueRecord2 = new HashMap<>();
complexValueRecord2.put("a",new String[] {"hello","world!"});
complexValueRecord2.put("b",new String[] {"5","4","3"});
complexValues.put("complex1", DataTypeUtils.toRecord(complexValueRecord1, nestedRecordSchema, "complex1"));
complexValues.put("complex2", DataTypeUtils.toRecord(complexValueRecord2, nestedRecordSchema, "complex2"));
values.put("complex", complexValues);
final Record inputRecord = new MapRecord(schema, values);
Object o = DataTypeUtils.convertRecordFieldtoObject(inputRecord, RecordFieldType.RECORD.getRecordDataType(schema));
assertTrue(o instanceof Map);
Map<String,Object> outputMap = (Map<String,Object>) o;
assertEquals("hello", outputMap.get("defaultOfHello"));
assertEquals("world", outputMap.get("noDefault"));
o = outputMap.get("intField");
assertEquals(5,o);
o = outputMap.get("intArray");
assertTrue(o instanceof Integer[]);
Integer[] intArray = (Integer[])o;
assertEquals(3, intArray.length);
assertEquals((Integer)3, intArray[0]);
o = outputMap.get("complex");
assertTrue(o instanceof Map);
Map<String,Object> nestedOutputMap = (Map<String,Object>)o;
o = nestedOutputMap.get("complex1");
assertTrue(o instanceof Map);
Map<String,Object> complex1 = (Map<String,Object>)o;
o = complex1.get("a");
assertTrue(o instanceof Integer[]);
assertEquals((Integer)2, ((Integer[])o)[1]);
o = complex1.get("b");
assertTrue(o instanceof Integer[]);
assertEquals((Integer)3, ((Integer[])o)[2]);
o = nestedOutputMap.get("complex2");
assertTrue(o instanceof Map);
Map<String,Object> complex2 = (Map<String,Object>)o;
o = complex2.get("a");
assertTrue(o instanceof String[]);
assertEquals("hello", ((String[])o)[0]);
o = complex2.get("b");
assertTrue(o instanceof String[]);
assertEquals("4", ((String[])o)[1]);
}
}

5
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service-api-nar/pom.xml
View File

@ -26,6 +26,11 @@
<packaging>nar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-standard-services-api-nar</artifactId>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service-api</artifactId>

329
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service-api-nar/src/main/resources/META-INF/LICENSE Normal file
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@ -0,0 +1,329 @@
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******************
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It is currently developed by a community of developers, as well as supported
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## Licensing
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(ASLv2) server-metrics
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(ASLv2) Apache ZooKeeper
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179
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service-api/pom.xml
View File

@ -13,72 +13,125 @@
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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-bundle</artifactId>
<version>1.5.0-SNAPSHOT</version>
</parent>
<artifactId>nifi-druid-controller-service-api</artifactId>
<dependencies>
<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>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-bundle</artifactId>
<version>1.5.0-SNAPSHOT</version>
</parent>
<artifactId>nifi-druid-controller-service-api</artifactId>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>tranquility-core_2.10</artifactId>
<version>0.8.2</version>
<exclusions>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-console</artifactId>
</exclusion>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-aws-common</artifactId>
</exclusion>
<exclusion>
<groupId>com.twitter</groupId>
<artifactId>finagle-core_2.10</artifactId>
</exclusion>
<exclusion>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
</exclusion>
<exclusion>
<groupId>io.tesla.aether</groupId>
<artifactId>tesla-aether</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jersey</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-api</artifactId>
</exclusion>
<exclusion>
<groupId>com.maxmind.geoip2</groupId>
<artifactId>geoip2</artifactId>
</exclusion>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<dependency>
<groupId>io.druid</groupId>
<artifactId>tranquility-core_2.11</artifactId>
<exclusions>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-console</artifactId>
</exclusion>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-aws-common</artifactId>
</exclusion>
<exclusion>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
</exclusion>
<exclusion>
<groupId>io.tesla.aether</groupId>
<artifactId>tesla-aether</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jersey</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-api</artifactId>
</exclusion>
<exclusion>
<groupId>com.maxmind.geoip2</groupId>
<artifactId>geoip2</artifactId>
</exclusion>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
</exclusion>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-server</artifactId>
</exclusion>
<exclusion>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</exclusion>
<exclusion>
<groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
</exclusion>
<exclusion>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>druid-server</artifactId>
<version>${druid.version}</version>
<exclusions>
<exclusion>
<groupId>*</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>druid-processing</artifactId>
<version>${druid.version}</version>
<exclusions>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
</exclusion>
<exclusion>
<groupId>io.airlift</groupId>
<artifactId>airline</artifactId>
</exclusion>
<exclusion>
<groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.github.stephenc.findbugs</groupId>
<artifactId>findbugs-annotations</artifactId>
<version>1.3.9-1</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

8
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service-api/src/main/java/org/apache/nifi/controller/api/DruidTranquilityService.java → nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service-api/src/main/java/org/apache/nifi/controller/api/druid/DruidTranquilityService.java
View File

@ -15,7 +15,7 @@
* limitations under the License.
*/
package org.apache.nifi.controller.api;
package org.apache.nifi.controller.api.druid;
import java.util.Map;
@ -23,6 +23,8 @@ import org.apache.nifi.controller.ControllerService;
import com.metamx.tranquility.tranquilizer.Tranquilizer;
public interface DruidTranquilityService extends ControllerService{
Tranquilizer<Map<String,Object>> getTranquilizer();
public interface DruidTranquilityService extends ControllerService {
Tranquilizer<Map<String, Object>> getTranquilizer();
String getTransitUri();
}

57
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/pom.xml
View File

@ -35,61 +35,22 @@
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-utils</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-processor-utils</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service-api</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>tranquility-core_2.10</artifactId>
<version>0.8.2</version>
<exclusions>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-console</artifactId>
</exclusion>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-aws-common</artifactId>
</exclusion>
<exclusion>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
</exclusion>
<exclusion>
<groupId>io.tesla.aether</groupId>
<artifactId>tesla-aether</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jersey</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-api</artifactId>
</exclusion>
<exclusion>
<groupId>com.maxmind.geoip2</groupId>
<artifactId>geoip2</artifactId>
</exclusion>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
</exclusion>
</exclusions>
<artifactId>tranquility-core_2.11</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-mock</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

278
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/src/main/java/org/apache/nifi/controller/DruidTranquilityController.java → nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/src/main/java/org/apache/nifi/controller/druid/DruidTranquilityController.java
View File

@ -15,31 +15,38 @@
* limitations under the License.
*/
package org.apache.nifi.controller;
package org.apache.nifi.controller.druid;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.annotation.lifecycle.OnDisabled;
import org.apache.nifi.annotation.lifecycle.OnEnabled;
import org.apache.nifi.components.AllowableValue;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.controller.api.DruidTranquilityService;
import org.apache.nifi.components.ValidationContext;
import org.apache.nifi.components.ValidationResult;
import org.apache.nifi.controller.AbstractControllerService;
import org.apache.nifi.controller.ConfigurationContext;
import org.apache.nifi.controller.api.druid.DruidTranquilityService;
import org.apache.nifi.logging.ComponentLog;
import org.apache.nifi.processor.util.StandardValidators;
import org.apache.nifi.reporting.InitializationException;
import org.codehaus.jackson.map.ObjectMapper;
import org.joda.time.DateTime;
import org.joda.time.Period;
import com.metamx.common.Granularity;
import com.metamx.tranquility.beam.Beam;
@ -63,37 +70,74 @@ import io.druid.query.aggregation.DoubleSumAggregatorFactory;
import io.druid.query.aggregation.LongMaxAggregatorFactory;
import io.druid.query.aggregation.LongMinAggregatorFactory;
import io.druid.query.aggregation.LongSumAggregatorFactory;
import org.joda.time.DateTime;
import org.joda.time.Period;
@Tags({"Druid", "Timeseries", "OLAP", "ingest"})
@CapabilityDescription("Asynchronously sends flowfiles to Druid Indexing Task using Tranquility API. "
+ "If aggregation and roll-up of data is required, an Aggregator JSON descriptor needs to be provided."
+ "Details on how describe aggregation using JSON can be found at: http://druid.io/docs/latest/querying/aggregations.html")
public class DruidTranquilityController extends AbstractControllerService implements DruidTranquilityService {
private String firehosePattern = "druid:firehose:%s";
private int clusterPartitions = 1;
private int clusterReplication = 1;
private String indexRetryPeriod = "PT10M";
private final static String FIREHOSE_PATTERN = "druid:firehose:%s";
private final static AllowableValue PT1M = new AllowableValue("PT1M", "1 minute", "1 minute");
private final static AllowableValue PT10M = new AllowableValue("PT10M", "10 minutes", "10 minutes");
private final static AllowableValue PT60M = new AllowableValue("PT60M", "60 minutes", "1 hour");
private final static List<String> TIME_ORDINALS = Arrays.asList("SECOND", "MINUTE", "FIVE_MINUTE", "TEN_MINUTE", "FIFTEEN_MINUTE", "HOUR", "SIX_HOUR", "DAY", "WEEK", "MONTH", "YEAR");
private Tranquilizer tranquilizer = null;
private String transitUri = "";
public static final PropertyDescriptor DATASOURCE = new PropertyDescriptor.Builder()
.name("druid-cs-data-source")
.displayName("Druid Data Source")
.description("Druid Data Source") //TODO description, example
.description("A data source is the Druid equivalent of a database table.")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.required(true)
.expressionLanguageSupported(true)
.build();
public static final PropertyDescriptor CONNECT_STRING = new PropertyDescriptor.Builder()
public static final PropertyDescriptor ZOOKEEPER_CONNECTION_STRING = new PropertyDescriptor.Builder()
.name("druid-cs-zk-connect-string")
.displayName("Zookeeper Connection String")
.description("ZK Connect String for Druid") //TODO example
.description("A comma-separated list of host:port pairs, each corresponding to a ZooKeeper server. Ex: localhost:2181")
.required(true)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.expressionLanguageSupported(true)
.build();
public static final PropertyDescriptor ZOOKEEPER_RETRY_BASE_SLEEP_TIME = new PropertyDescriptor.Builder()
.name("druid-cs-zk-retry-base-sleep")
.displayName("Zookeeper Retry Base Sleep Time")
.description("When a connection to Zookeeper needs to be retried, this property specifies the amount of time (in milliseconds) to wait at first before retrying.")
.required(true)
.defaultValue("1000")
.expressionLanguageSupported(true)
.addValidator(StandardValidators.NON_NEGATIVE_INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor ZOOKEEPER_RETRY_MAX_RETRIES = new PropertyDescriptor.Builder()
.name("druid-cs-zk-retry-max-retries")
.displayName("Zookeeper Retry Max Retries")
.description("When a connection to Zookeeper needs to be retried, this property specifies how many times to attempt reconnection.")
.required(true)
.defaultValue("20")
.expressionLanguageSupported(true)
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor ZOOKEEPER_RETRY_SLEEP_TIME = new PropertyDescriptor.Builder()
.name("druid-cs-zk-retry-sleep")
.displayName("Zookeeper Retry Sleep Time")
.description("When a connection to Zookeeper needs to be retried, this property specifies the amount of time to sleep (in milliseconds) between retries.")
.required(true)
.defaultValue("30000")
.expressionLanguageSupported(true)
.addValidator(StandardValidators.NON_NEGATIVE_INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor DRUID_INDEX_SERVICE_PATH = new PropertyDescriptor.Builder()
.name("druid-cs-index-service-path")
.displayName("Index Service Path")
@ -114,10 +158,30 @@ public class DruidTranquilityController extends AbstractControllerService implem
.expressionLanguageSupported(true)
.build();
public static final PropertyDescriptor CLUSTER_PARTITIONS = new PropertyDescriptor.Builder()
.name("druid-cs-cluster-partitions")
.displayName("Cluster Partitions")
.description("The number of partitions in the Druid cluster.")
.required(true)
.defaultValue("1")
.expressionLanguageSupported(true)
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor CLUSTER_REPLICATION = new PropertyDescriptor.Builder()
.name("druid-cs-cluster-replication")
.displayName("Cluster Replication")
.description("The replication factor for the Druid cluster.")
.required(true)
.defaultValue("1")
.expressionLanguageSupported(true)
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor TIMESTAMP_FIELD = new PropertyDescriptor.Builder()
.name("druid-cs-timestamp-field")
.displayName("Timestamp field")
.description("The name of the field that will be used as the timestamp. Should be in ISO format.")
.description("The name of the field that will be used as the timestamp. Should be in ISO8601 format.")
.required(true)
.defaultValue("timestamp")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
@ -151,7 +215,17 @@ public class DruidTranquilityController extends AbstractControllerService implem
+ "}"
+ "]")
.required(true)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.addValidator((subject, value, context) -> { // Non-empty and valid JSON validator
if (value == null || value.isEmpty()) {
return new ValidationResult.Builder().subject(subject).input(value).valid(false).explanation(subject + " cannot be empty").build();
}
try {
DruidTranquilityController.parseJsonString(value);
return new ValidationResult.Builder().subject(subject).input(value).valid(true).build();
} catch (IllegalArgumentException iae) {
return new ValidationResult.Builder().subject(subject).input(value).valid(false).explanation(subject + " is not valid Aggregator JSON").build();
}
})
.expressionLanguageSupported(true)
.build();
@ -167,20 +241,30 @@ public class DruidTranquilityController extends AbstractControllerService implem
public static final PropertyDescriptor SEGMENT_GRANULARITY = new PropertyDescriptor.Builder()
.name("druid-cs-segment-granularity")
.displayName("Segment Granularity")
.description("Time unit by which to group and aggregate/rollup events.")
.description("Time unit by which to group and aggregate/rollup events. The value must be at least as large as the value of Query Granularity.")
.required(true)
.allowableValues("NONE", "SECOND", "MINUTE", "TEN_MINUTE", "HOUR", "DAY", "MONTH", "YEAR", "Use druid.segment.granularity variable")
.defaultValue("MINUTE")
.allowableValues("NONE", "SECOND", "MINUTE", "TEN_MINUTE", "HOUR", "DAY", "MONTH", "YEAR")
.defaultValue("TEN_MINUTE")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
public static final PropertyDescriptor QUERY_GRANULARITY = new PropertyDescriptor.Builder()
.name("druid-cs-query-granularity")
.displayName("Query Granularity")
.description("Time unit by which to group and aggregate/rollup events. The value must be at least as large as the value of Segment Granularity.")
.description("Time unit by which to group and aggregate/rollup events. The value must be less than or equal to the value of Segment Granularity.")
.required(true)
.allowableValues("NONE", "SECOND", "MINUTE", "TEN_MINUTE", "HOUR", "DAY", "MONTH", "YEAR", "Use druid.query.granularity variable")
.defaultValue("TEN_MINUTE")
.allowableValues("NONE", "SECOND", "MINUTE", "FIFTEEN_MINUTE", "THIRTY_MINUTE", "HOUR", "DAY", "MONTH", "YEAR")
.defaultValue("MINUTE")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
public static final PropertyDescriptor INDEX_RETRY_PERIOD = new PropertyDescriptor.Builder()
.name("druid-cs-index-retry-period")
.displayName("Index Retry Period")
.description("Grace period to allow late arriving events for real time ingest.")
.required(true)
.allowableValues(PT1M, PT10M, PT60M)
.defaultValue(PT10M.getValue())
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
@ -189,8 +273,8 @@ public class DruidTranquilityController extends AbstractControllerService implem
.displayName("Late Event Grace Period")
.description("Grace period to allow late arriving events for real time ingest.")
.required(true)
.allowableValues("PT1M", "PT10M", "PT60M")// TODO possibly friendly name
.defaultValue("PT10M")
.allowableValues(PT1M, PT10M, PT60M)
.defaultValue(PT10M.getValue())
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
@ -201,6 +285,7 @@ public class DruidTranquilityController extends AbstractControllerService implem
.required(true)
.defaultValue("2000")
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.expressionLanguageSupported(true)
.build();
public static final PropertyDescriptor MAX_PENDING_BATCHES = new PropertyDescriptor.Builder()
@ -210,6 +295,7 @@ public class DruidTranquilityController extends AbstractControllerService implem
.required(true)
.defaultValue("5")
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.expressionLanguageSupported(true)
.build();
public static final PropertyDescriptor LINGER_MILLIS = new PropertyDescriptor.Builder()
@ -221,16 +307,27 @@ public class DruidTranquilityController extends AbstractControllerService implem
.required(true)
.defaultValue("1000")
.addValidator(StandardValidators.INTEGER_VALIDATOR)
.expressionLanguageSupported(true)
.build();
private static final List<PropertyDescriptor> properties;
private volatile CuratorFramework curator;
private volatile int zkBaseSleepMillis;
private volatile int zkMaxRetries;
private volatile int zkSleepMillis;
static {
final List<PropertyDescriptor> props = new ArrayList<>();
props.add(DATASOURCE);
props.add(CONNECT_STRING);
props.add(ZOOKEEPER_CONNECTION_STRING);
props.add(ZOOKEEPER_RETRY_BASE_SLEEP_TIME);
props.add(ZOOKEEPER_RETRY_MAX_RETRIES);
props.add(ZOOKEEPER_RETRY_SLEEP_TIME);
props.add(DRUID_INDEX_SERVICE_PATH);
props.add(DRUID_DISCOVERY_PATH);
props.add(CLUSTER_PARTITIONS);
props.add(CLUSTER_REPLICATION);
props.add(DIMENSIONS_LIST);
props.add(AGGREGATOR_JSON);
props.add(SEGMENT_GRANULARITY);
@ -249,24 +346,47 @@ public class DruidTranquilityController extends AbstractControllerService implem
return properties;
}
@Override
protected Collection<ValidationResult> customValidate(ValidationContext validationContext) {
Set<ValidationResult> results = new HashSet<>();
final String segmentGranularity = validationContext.getProperty(SEGMENT_GRANULARITY).getValue();
final String queryGranularity = validationContext.getProperty(QUERY_GRANULARITY).getValue();
// Verify that segment granularity is as least as large as query granularity
if (TIME_ORDINALS.indexOf(segmentGranularity) < TIME_ORDINALS.indexOf(queryGranularity)) {
results.add(new ValidationResult.Builder().valid(false).explanation(
"Segment Granularity must be at least as large as Query Granularity").build());
}
return results;
}
@OnEnabled
public void onConfigured(final ConfigurationContext context) throws InitializationException {
public void onConfigured(final ConfigurationContext context) {
ComponentLog log = getLogger();
log.info("Starting Druid Tranquility Controller Service...");
final String dataSource = context.getProperty(DATASOURCE).getValue();
final String zkConnectString = context.getProperty(CONNECT_STRING).getValue();
final String indexService = context.getProperty(DRUID_INDEX_SERVICE_PATH).getValue();
final String discoveryPath = context.getProperty(DRUID_DISCOVERY_PATH).getValue();
final String timestampField = context.getProperty(TIMESTAMP_FIELD).getValue();
final String dataSource = context.getProperty(DATASOURCE).evaluateAttributeExpressions().getValue();
final String zkConnectString = context.getProperty(ZOOKEEPER_CONNECTION_STRING).evaluateAttributeExpressions().getValue();
zkBaseSleepMillis = context.getProperty(ZOOKEEPER_RETRY_BASE_SLEEP_TIME).evaluateAttributeExpressions().asInteger();
zkMaxRetries = context.getProperty(ZOOKEEPER_RETRY_BASE_SLEEP_TIME).evaluateAttributeExpressions().asInteger();
zkSleepMillis = context.getProperty(ZOOKEEPER_RETRY_SLEEP_TIME).evaluateAttributeExpressions().asInteger();
final String indexService = context.getProperty(DRUID_INDEX_SERVICE_PATH).evaluateAttributeExpressions().getValue();
final String discoveryPath = context.getProperty(DRUID_DISCOVERY_PATH).evaluateAttributeExpressions().getValue();
final int clusterPartitions = context.getProperty(CLUSTER_PARTITIONS).evaluateAttributeExpressions().asInteger();
final int clusterReplication = context.getProperty(CLUSTER_REPLICATION).evaluateAttributeExpressions().asInteger();
final String timestampField = context.getProperty(TIMESTAMP_FIELD).evaluateAttributeExpressions().getValue();
final String segmentGranularity = context.getProperty(SEGMENT_GRANULARITY).getValue();
final String queryGranularity = context.getProperty(QUERY_GRANULARITY).getValue();
final String windowPeriod = context.getProperty(WINDOW_PERIOD).getValue();
final String aggregatorJSON = context.getProperty(AGGREGATOR_JSON).getValue();
final String indexRetryPeriod = context.getProperty(INDEX_RETRY_PERIOD).getValue();
final String aggregatorJSON = context.getProperty(AGGREGATOR_JSON).evaluateAttributeExpressions().getValue();
final String dimensionsStringList = context.getProperty(DIMENSIONS_LIST).getValue();
final int maxBatchSize = Integer.valueOf(context.getProperty(MAX_BATCH_SIZE).getValue());
final int maxPendingBatches = Integer.valueOf(context.getProperty(MAX_PENDING_BATCHES).getValue());
final int lingerMillis = Integer.valueOf(context.getProperty(LINGER_MILLIS).getValue());
final int maxBatchSize = context.getProperty(MAX_BATCH_SIZE).evaluateAttributeExpressions().asInteger();
final int maxPendingBatches = context.getProperty(MAX_PENDING_BATCHES).evaluateAttributeExpressions().asInteger();
final int lingerMillis = context.getProperty(LINGER_MILLIS).evaluateAttributeExpressions().asInteger();
transitUri = String.format(FIREHOSE_PATTERN, dataSource) + ";indexServicePath=" + indexService;
final List<String> dimensions = getDimensions(dimensionsStringList);
final List<AggregatorFactory> aggregator = getAggregatorList(aggregatorJSON);
@ -282,36 +402,50 @@ public class DruidTranquilityController extends AbstractControllerService implem
Iterator<AggregatorFactory> aggIterator = aggregator.iterator();
AggregatorFactory currFactory;
log.debug("Number of Aggregations Defined: " + aggregator.size());
log.debug("Number of Aggregations Defined: {}", new Object[]{aggregator.size()});
while (aggIterator.hasNext()) {
currFactory = aggIterator.next();
log.debug("Verifying Aggregator Definition");
log.debug("Aggregator Name: " + currFactory.getName());
log.debug("Aggregator Type: " + currFactory.getTypeName());
log.debug("Aggregator Req Fields: " + currFactory.requiredFields());
log.debug("Verifying Aggregator Definition\n\tAggregator Name: {}\n\tAggregator Type: {}\n\tAggregator Req Fields: {}",
new Object[]{currFactory.getName(), currFactory.getTypeName(), currFactory.requiredFields()});
}
// Tranquility uses ZooKeeper (through Curator) for coordination.
final CuratorFramework curator = CuratorFrameworkFactory
.builder()
.connectString(zkConnectString)
.retryPolicy(new ExponentialBackoffRetry(1000, 20, 30000)) // TODO expose as properties, maybe fibonacci backoff
.build();
curator = getCurator(zkConnectString);
curator.start();
// The JSON serialization of your object must have a timestamp field in a format that Druid understands. By default,
// Druid expects the field to be called "timestamp" and to be an ISO8601 timestamp.
final TimestampSpec timestampSpec = new TimestampSpec(timestampField, "auto", null);
final Beam<Map<String, Object>> beam = DruidBeams.builder(timestamper)
final Beam<Map<String, Object>> beam = buildBeam(dataSource, indexService, discoveryPath, clusterPartitions, clusterReplication,
segmentGranularity, queryGranularity, windowPeriod, indexRetryPeriod, dimensions, aggregator, timestamper, timestampSpec);
tranquilizer = buildTranquilizer(maxBatchSize, maxPendingBatches, lingerMillis, beam);
tranquilizer.start();
}
Tranquilizer<Map<String, Object>> buildTranquilizer(int maxBatchSize, int maxPendingBatches, int lingerMillis, Beam<Map<String, Object>> beam) {
return Tranquilizer.builder()
.maxBatchSize(maxBatchSize)
.maxPendingBatches(maxPendingBatches)
.lingerMillis(lingerMillis)
.blockOnFull(true)
.build(beam);
}
Beam<Map<String, Object>> buildBeam(String dataSource, String indexService, String discoveryPath, int clusterPartitions, int clusterReplication,
String segmentGranularity, String queryGranularity, String windowPeriod, String indexRetryPeriod, List<String> dimensions,
List<AggregatorFactory> aggregator, Timestamper<Map<String, Object>> timestamper, TimestampSpec timestampSpec) {
return DruidBeams.builder(timestamper)
.curator(curator)
.discoveryPath(discoveryPath)
.location(DruidLocation.create(DruidEnvironment.create(indexService, firehosePattern), dataSource))
.location(DruidLocation.create(DruidEnvironment.create(indexService, FIREHOSE_PATTERN), dataSource))
.timestampSpec(timestampSpec)
.rollup(DruidRollup.create(DruidDimensions.specific(dimensions), aggregator, QueryGranularity.fromString(queryGranularity)))
.tuning(
ClusteredBeamTuning
.builder()
.segmentGranularity(getSegmentGranularity(segmentGranularity))
.segmentGranularity(getGranularity(segmentGranularity))
.windowPeriod(new Period(windowPeriod))
.partitions(clusterPartitions)
.replicants(clusterReplication)
@ -323,24 +457,46 @@ public class DruidTranquilityController extends AbstractControllerService implem
.indexRetryPeriod(new Period(indexRetryPeriod))
.build())
.buildBeam();
}
tranquilizer = Tranquilizer.builder()
.maxBatchSize(maxBatchSize)
.maxPendingBatches(maxPendingBatches)
.lingerMillis(lingerMillis)
.blockOnFull(true)
.build(beam);
@OnDisabled
public void onDisabled() {
if (tranquilizer != null) {
tranquilizer.flush();
tranquilizer.stop();
tranquilizer = null;
}
tranquilizer.start();
if (curator != null) {
curator.close();
curator = null;
}
}
public Tranquilizer getTranquilizer() {
return tranquilizer;
}
private List<Map<String, String>> parseJsonString(String aggregatorJson) {
CuratorFramework getCurator(String zkConnectString) {
return CuratorFrameworkFactory
.builder()
.connectString(zkConnectString)
.retryPolicy(new ExponentialBackoffRetry(zkBaseSleepMillis, zkMaxRetries, zkSleepMillis))
.build();
}
@Override
public String getTransitUri() {
return transitUri;
}
@SuppressWarnings("unchecked")
private static List<Map<String, String>> parseJsonString(String aggregatorJson) {
if (aggregatorJson == null) {
return Collections.EMPTY_LIST;
}
ObjectMapper mapper = new ObjectMapper();
List<Map<String, String>> aggSpecList = null;
final List<Map<String, String>> aggSpecList;
try {
aggSpecList = mapper.readValue(aggregatorJson, List.class);
return aggSpecList;
@ -350,7 +506,13 @@ public class DruidTranquilityController extends AbstractControllerService implem
}
private List<String> getDimensions(String dimensionStringList) {
List<String> dimensionList = new LinkedList(Arrays.asList(dimensionStringList.split(",")));
List<String> dimensionList = new ArrayList<>();
if (dimensionStringList != null) {
Arrays.stream(dimensionStringList.split(","))
.filter(StringUtils::isNotBlank)
.map(String::trim)
.forEach(dimensionList::add);
}
return dimensionList;
}
@ -407,10 +569,10 @@ public class DruidTranquilityController extends AbstractControllerService implem
return new CountAggregatorFactory(map.get("name"));
}
private Granularity getSegmentGranularity(String segmentGranularity) {
private Granularity getGranularity(String granularityString) {
Granularity granularity = Granularity.HOUR;
switch (segmentGranularity) {
switch (granularityString) {
case "SECOND":
granularity = Granularity.SECOND;
break;

2
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/src/main/resources/META-INF/services/org.apache.nifi.controller.ControllerService
View File

@ -13,4 +13,4 @@
# See the License for the specific language governing permissions and
# limitations under the License.
org.apache.nifi.controller.DruidTranquilityController
org.apache.nifi.controller.druid.DruidTranquilityController

22
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/src/test/java/org/apache/nifi/controller/DruidTranquilityControllerTest.java
View File

@ -1,22 +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.controller;
public class DruidTranquilityControllerTest {
}

100
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-controller-service/src/test/java/org/apache/nifi/controller/druid/DruidTranquilityControllerTest.java Normal file
View File

@ -0,0 +1,100 @@
/*
* 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.controller.druid;
import com.metamx.tranquility.tranquilizer.Tranquilizer;
import org.apache.curator.framework.CuratorFramework;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.controller.api.druid.DruidTranquilityService;
import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.ProcessSession;
import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.Before;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.mockito.Mockito.mock;
public class DruidTranquilityControllerTest {
private TestRunner runner;
private MockDruidTranquilityController service;
@Before
public void setup() throws Exception {
runner = TestRunners.newTestRunner(TestControllerServiceProcessor.class);
service = new MockDruidTranquilityController();
runner.addControllerService("Client Service", service);
}
@Test
public void testValid() {
runner.assertNotValid(service);
runner.setProperty(service, DruidTranquilityController.DATASOURCE, "test");
runner.assertNotValid(service);
runner.setProperty(service, DruidTranquilityController.ZOOKEEPER_CONNECTION_STRING, "localhost:2181");
runner.assertNotValid(service);
runner.setProperty(service, DruidTranquilityController.AGGREGATOR_JSON, "[{\"type\": \"count\", \"name\": \"count\"}]");
runner.assertNotValid(service);
runner.setProperty(service, DruidTranquilityController.DIMENSIONS_LIST, "dim1,dim2");
runner.assertValid(service);
}
public static class MockDruidTranquilityController extends DruidTranquilityController {
Tranquilizer t = mock(Tranquilizer.class);
CuratorFramework c = mock(CuratorFramework.class);
@Override
public Tranquilizer getTranquilizer() {
return t;
}
@Override
CuratorFramework getCurator(String zkConnectString) {
return c;
}
}
public static class TestControllerServiceProcessor extends AbstractProcessor {
static final PropertyDescriptor CLIENT_SERVICE = new PropertyDescriptor.Builder()
.name("Client Service")
.description("DruidTranquilityService")
.identifiesControllerService(DruidTranquilityService.class)
.required(true)
.build();
@Override
public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {
}
@Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
List<PropertyDescriptor> propertyDescriptors = new ArrayList<>();
propertyDescriptors.add(CLIENT_SERVICE);
return propertyDescriptors;
}
}
}

5
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-nar/pom.xml
View File

@ -25,6 +25,11 @@
<packaging>nar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service-api-nar</artifactId>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service</artifactId>

209
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-nar/src/main/resources/META-INF/LICENSE Normal file
View File

@ -0,0 +1,209 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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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.

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nifi-nar-bundles/nifi-druid-bundle/nifi-druid-nar/src/main/resources/META-INF/NOTICE Normal file
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@ -0,0 +1,5 @@
nifi-druid-nar
Copyright 2015-2017 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).

81
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/pom.xml
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@ -27,69 +27,48 @@
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId>
<version>1.3.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-utils</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-processor-utils</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-record</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-record-serialization-service-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service-api</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>tranquility-core_2.10</artifactId>
<version>0.8.2</version>
<exclusions>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-console</artifactId>
</exclusion>
<exclusion>
<groupId>io.druid</groupId>
<artifactId>druid-aws-common</artifactId>
</exclusion>
<exclusion>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
</exclusion>
<exclusion>
<groupId>io.tesla.aether</groupId>
<artifactId>tesla-aether</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jersey</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-api</artifactId>
</exclusion>
<exclusion>
<groupId>com.maxmind.geoip2</groupId>
<artifactId>geoip2</artifactId>
</exclusion>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
</exclusion>
</exclusions>
<artifactId>tranquility-core_2.11</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-mock</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-mock-record-utils</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-druid-controller-service</artifactId>
<version>1.5.0-SNAPSHOT</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

196
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/main/java/org/apache/nifi/processors/PutDruid.java
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@ -1,196 +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;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.nifi.annotation.behavior.InputRequirement;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.logging.ComponentLog;
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.ProcessorInitializationContext;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.stream.io.StreamUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.apache.nifi.controller.api.DruidTranquilityService;
import com.metamx.tranquility.tranquilizer.MessageDroppedException;
import com.metamx.tranquility.tranquilizer.Tranquilizer;
import com.twitter.util.Await;
import com.twitter.util.Future;
import com.twitter.util.FutureEventListener;
import scala.runtime.BoxedUnit;
@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
@Tags({"Druid", "Timeseries", "OLAP", "ingest"})
@CapabilityDescription("Sends events to Apache Druid for Indexing. "
+ "Leverages Druid Tranquility Controller service."
+ "Incoming flow files are expected to contain 1 or many JSON objects, one JSON object per line")
public class PutDruid extends AbstractSessionFactoryProcessor {
private List<PropertyDescriptor> properties;
private Set<Relationship> relationships;
private final Map<Object, String> messageStatus = new HashMap<>();
public static final PropertyDescriptor DRUID_TRANQUILITY_SERVICE = new PropertyDescriptor.Builder()
.name("putdruid-tranquility-service")
.displayName("Tranquility Service")
.description("Tranquility Service to use for sending events to Druid")
.required(true)
.identifiesControllerService(DruidTranquilityService.class)
.build();
public static final Relationship REL_SUCCESS = new Relationship.Builder()
.name("success")
.description("Success relationship")
.build();
public static final Relationship REL_FAIL = new Relationship.Builder()
.name("failure")
.description("FlowFiles are routed to this relationship when they cannot be parsed")
.build();
public static final Relationship REL_DROPPED = new Relationship.Builder()
.name("dropped")
.description("FlowFiles are routed to this relationship when they are outside of the configured time window, timestamp format is invalid, ect...")
.build();
public void init(final ProcessorInitializationContext context) {
List<PropertyDescriptor> properties = new ArrayList<>();
properties.add(DRUID_TRANQUILITY_SERVICE);
this.properties = Collections.unmodifiableList(properties);
Set<Relationship> relationships = new HashSet<>();
relationships.add(REL_SUCCESS);
relationships.add(REL_DROPPED);
relationships.add(REL_FAIL);
this.relationships = Collections.unmodifiableSet(relationships);
}
@Override
public Set<Relationship> getRelationships() {
return relationships;
}
@Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return properties;
}
//Method breaks down incoming flow file and sends it to Druid Indexing service
private void processFlowFile(ProcessContext context, ProcessSession session) {
final ComponentLog log = getLogger();
//Get handle on Druid Tranquility session
DruidTranquilityService tranquilityController = context.getProperty(DRUID_TRANQUILITY_SERVICE)
.asControllerService(DruidTranquilityService.class);
Tranquilizer<Map<String, Object>> tranquilizer = tranquilityController.getTranquilizer();
final FlowFile flowFile = session.get();
if (flowFile == null || flowFile.getSize() == 0) {
return;
}
//Get data from flow file body
final byte[] buffer = new byte[(int) flowFile.getSize()];
session.read(flowFile, in -> StreamUtils.fillBuffer(in, buffer));
String contentString = new String(buffer, StandardCharsets.UTF_8);
Map<String, Object> contentMap = null;
//Create payload array from flow file content, one element per line
String[] messageArray = contentString.split("\\R");
//Convert each array element from JSON to HashMap and send to Druid
for (String message : messageArray) {
try {
contentMap = new ObjectMapper().readValue(message, HashMap.class);
} catch (IOException e1) {
log.error("Error parsing incoming message array in the flowfile body");
}
log.debug("Tranquilizer Status: " + tranquilizer.status().toString());
messageStatus.put(flowFile, "pending");
//Send data element to Druid, Asynch
Future<BoxedUnit> future = tranquilizer.send(contentMap);
log.debug(" Sent Payload to Druid: " + contentMap);
//Wait for Druid to call back with status
future.addEventListener(new FutureEventListener<Object>() {
@Override
public void onFailure(Throwable cause) {
if (cause instanceof MessageDroppedException) {
//This happens when event timestamp targets a Druid Indexing task that has closed (Late Arriving Data)
log.error(" FlowFile Dropped due to MessageDroppedException: " + cause.getMessage() + " : " + cause);
cause.getStackTrace();
log.error(" Transferring FlowFile to DROPPED relationship");
session.transfer(flowFile, REL_DROPPED);
} else {
log.error("FlowFile Processing Failed due to: {} : {}", new Object[]{cause.getMessage(), cause});
cause.printStackTrace();
log.error(" Transferring FlowFile to FAIL relationship");
session.transfer(flowFile, REL_FAIL);
}
}
@Override
public void onSuccess(Object value) {
log.debug(" FlowFile Processing Success : " + value.toString());
session.transfer(flowFile, REL_SUCCESS);
session.getProvenanceReporter().send(flowFile, "Druid Tranquility Service");
}
});
try {
//Wait for result from Druid
//This method will be asynch since this is a SessionFactoryProcessor and OnTrigger will create a new Thread
Await.result(future);
} catch (Exception e) {
getLogger().error("Caught exception while waiting for result of put request: " + e.getMessage());
}
}
//session.transfer(flowFile, REL_SUCCESS);
session.commit();
}
public void onTrigger(ProcessContext context, ProcessSessionFactory factory) throws ProcessException {
final ProcessSession session = factory.createSession();
//Create new Thread to ensure that waiting for callback does not reduce throughput
new Thread(() -> {
processFlowFile(context, session);
}).start();
}
}

373
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/main/java/org/apache/nifi/processors/druid/PutDruidRecord.java Normal file
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@ -0,0 +1,373 @@
/*
* 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.druid;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import com.metamx.tranquility.tranquilizer.MessageDroppedException;
import com.twitter.util.Future;
import com.twitter.util.FutureEventListener;
import org.apache.nifi.annotation.behavior.InputRequirement;
import org.apache.nifi.annotation.behavior.WritesAttribute;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.logging.ComponentLog;
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.ProcessorInitializationContext;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.schema.access.SchemaNotFoundException;
import org.apache.nifi.serialization.MalformedRecordException;
import org.apache.nifi.serialization.RecordReader;
import org.apache.nifi.serialization.RecordReaderFactory;
import org.apache.nifi.controller.api.druid.DruidTranquilityService;
import com.metamx.tranquility.tranquilizer.Tranquilizer;
import org.apache.nifi.serialization.RecordSetWriter;
import org.apache.nifi.serialization.RecordSetWriterFactory;
import org.apache.nifi.serialization.record.Record;
import org.apache.nifi.serialization.record.RecordFieldType;
import org.apache.nifi.serialization.record.RecordSchema;
import org.apache.nifi.serialization.record.util.DataTypeUtils;
import scala.runtime.BoxedUnit;
@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
@Tags({"druid", "timeseries", "olap", "ingest", "put", "record"})
@CapabilityDescription("Sends records to Druid for Indexing. Leverages Druid Tranquility Controller service.")
@WritesAttribute(attribute = "record.count", description = "The number of messages that were sent to Druid for this FlowFile. FlowFiles on the success relationship will have a value "
+ "of this attribute that indicates the number of records successfully processed by Druid, and the FlowFile content will be only the successful records. This behavior applies "
+ "to the failure and dropped relationships as well.")
public class PutDruidRecord extends AbstractSessionFactoryProcessor {
static final String RECORD_COUNT = "record.count";
private List<PropertyDescriptor> properties;
private Set<Relationship> relationships;
static final PropertyDescriptor RECORD_READER_FACTORY = new PropertyDescriptor.Builder()
.name("putdruid-record-reader")
.displayName("Record Reader")
.description("Specifies the Controller Service to use for parsing incoming data and determining the data's schema.")
.identifiesControllerService(RecordReaderFactory.class)
.required(true)
.build();
static final PropertyDescriptor RECORD_WRITER_FACTORY = new PropertyDescriptor.Builder()
.name("putdruid-record-writer")
.displayName("Record Writer")
.description("The Record Writer to use in order to serialize the data to outgoing relationships.")
.identifiesControllerService(RecordSetWriterFactory.class)
.expressionLanguageSupported(false)
.required(true)
.build();
static final PropertyDescriptor DRUID_TRANQUILITY_SERVICE = new PropertyDescriptor.Builder()
.name("putdruid-tranquility-service")
.displayName("Tranquility Service")
.description("Tranquility Service to use for sending events to Druid.")
.required(true)
.identifiesControllerService(DruidTranquilityService.class)
.build();
static final Relationship REL_SUCCESS = new Relationship.Builder()
.name("success")
.description("FlowFiles are routed to this relationship when they are successfully processed by Druid")
.build();
static final Relationship REL_FAILURE = new Relationship.Builder()
.name("failure")
.description("FlowFiles are routed to this relationship when they cannot be parsed or otherwise processed by Druid")
.build();
static final Relationship REL_DROPPED = new Relationship.Builder()
.name("dropped")
.description("FlowFiles are routed to this relationship when they are outside of the configured time window, timestamp format is invalid, ect...")
.build();
public void init(final ProcessorInitializationContext context) {
List<PropertyDescriptor> properties = new ArrayList<>();
properties.add(RECORD_READER_FACTORY);
properties.add(RECORD_WRITER_FACTORY);
properties.add(DRUID_TRANQUILITY_SERVICE);
this.properties = Collections.unmodifiableList(properties);
Set<Relationship> relationships = new HashSet<>();
relationships.add(REL_SUCCESS);
relationships.add(REL_DROPPED);
relationships.add(REL_FAILURE);
this.relationships = Collections.unmodifiableSet(relationships);
}
@Override
public Set<Relationship> getRelationships() {
return relationships;
}
@Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return properties;
}
/**
* Parses the record(s), converts each to a Map, and sends via Tranquility to the Druid Indexing Service
*
* @param context The process context
* @param session The process session
*/
@SuppressWarnings("unchecked")
private void processFlowFile(ProcessContext context, final ProcessSession session) {
final ComponentLog log = getLogger();
// Get handle on Druid Tranquility session
DruidTranquilityService tranquilityController = context.getProperty(DRUID_TRANQUILITY_SERVICE)
.asControllerService(DruidTranquilityService.class);
Tranquilizer<Map<String, Object>> tranquilizer = tranquilityController.getTranquilizer();
FlowFile flowFile = session.get();
if (flowFile == null) {
return;
}
// Create the outgoing flow files and output streams
FlowFile droppedFlowFile = session.create(flowFile);
final AtomicInteger droppedFlowFileCount = new AtomicInteger(0);
FlowFile failedFlowFile = session.create(flowFile);
final AtomicInteger failedFlowFileCount = new AtomicInteger(0);
FlowFile successfulFlowFile = session.create(flowFile);
final AtomicInteger successfulFlowFileCount = new AtomicInteger(0);
final AtomicInteger recordWriteErrors = new AtomicInteger(0);
int recordCount = 0;
final OutputStream droppedOutputStream = session.write(droppedFlowFile);
final RecordSetWriter droppedRecordWriter;
final OutputStream failedOutputStream = session.write(failedFlowFile);
final RecordSetWriter failedRecordWriter;
final OutputStream successfulOutputStream = session.write(successfulFlowFile);
final RecordSetWriter successfulRecordWriter;
try (final InputStream in = session.read(flowFile)) {
final RecordReaderFactory recordParserFactory = context.getProperty(RECORD_READER_FACTORY)
.asControllerService(RecordReaderFactory.class);
final RecordSetWriterFactory writerFactory = context.getProperty(RECORD_WRITER_FACTORY).asControllerService(RecordSetWriterFactory.class);
final Map<String, String> attributes = flowFile.getAttributes();
final RecordReader reader = recordParserFactory.createRecordReader(flowFile, in, getLogger());
final RecordSchema outSchema = writerFactory.getSchema(attributes, reader.getSchema());
droppedRecordWriter = writerFactory.createWriter(log, outSchema, droppedOutputStream);
droppedRecordWriter.beginRecordSet();
failedRecordWriter = writerFactory.createWriter(log, outSchema, failedOutputStream);
failedRecordWriter.beginRecordSet();
successfulRecordWriter = writerFactory.createWriter(log, outSchema, successfulOutputStream);
successfulRecordWriter.beginRecordSet();
Record r;
while ((r = reader.nextRecord()) != null) {
final Record record = r;
recordCount++;
// Convert each Record to HashMap and send to Druid
Map<String, Object> contentMap = (Map<String, Object>) DataTypeUtils.convertRecordFieldtoObject(r, RecordFieldType.RECORD.getRecordDataType(r.getSchema()));
log.debug("Tranquilizer Status: {}", new Object[]{tranquilizer.status().toString()});
// Send data element to Druid asynchronously
Future<BoxedUnit> future = tranquilizer.send(contentMap);
log.debug("Sent Payload to Druid: {}", new Object[]{contentMap});
// Wait for Druid to call back with status
future.addEventListener(new FutureEventListener<Object>() {
@Override
public void onFailure(Throwable cause) {
if (cause instanceof MessageDroppedException) {
// This happens when event timestamp targets a Druid Indexing task that has closed (Late Arriving Data)
log.debug("Record Dropped due to MessageDroppedException: {}, transferring record to dropped.", new Object[]{cause.getMessage()}, cause);
try {
synchronized (droppedRecordWriter) {
droppedRecordWriter.write(record);
droppedRecordWriter.flush();
droppedFlowFileCount.incrementAndGet();
}
} catch (final IOException ioe) {
log.error("Error transferring record to dropped, this may result in data loss.", new Object[]{ioe.getMessage()}, ioe);
recordWriteErrors.incrementAndGet();
}
} else {
log.error("FlowFile Processing Failed due to: {}", new Object[]{cause.getMessage()}, cause);
try {
synchronized (failedRecordWriter) {
failedRecordWriter.write(record);
failedRecordWriter.flush();
failedFlowFileCount.incrementAndGet();
}
} catch (final IOException ioe) {
log.error("Error transferring record to failure, this may result in data loss.", new Object[]{ioe.getMessage()}, ioe);
recordWriteErrors.incrementAndGet();
}
}
}
@Override
public void onSuccess(Object value) {
log.debug(" FlowFile Processing Success: {}", new Object[]{value.toString()});
try {
synchronized (successfulRecordWriter) {
successfulRecordWriter.write(record);
successfulRecordWriter.flush();
successfulFlowFileCount.incrementAndGet();
}
} catch (final IOException ioe) {
log.error("Error transferring record to success, this may result in data loss. "
+ "However the record was successfully processed by Druid", new Object[]{ioe.getMessage()}, ioe);
recordWriteErrors.incrementAndGet();
}
}
});
}
} catch (IOException | SchemaNotFoundException | MalformedRecordException e) {
log.error("FlowFile Processing Failed due to: {}", new Object[]{e.getMessage()}, e);
// The FlowFile will be obtained and the error logged below, when calling publishResult.getFailedFlowFiles()
flowFile = session.putAttribute(flowFile, RECORD_COUNT, Integer.toString(recordCount));
session.transfer(flowFile, REL_FAILURE);
try {
droppedOutputStream.close();
session.remove(droppedFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with dropped records.", ioe);
}
try {
failedOutputStream.close();
session.remove(failedFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with failed records.", ioe);
}
try {
successfulOutputStream.close();
session.remove(successfulFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with successful records.", ioe);
}
session.commit();
return;
}
if (recordCount == 0) {
// Send original (empty) flow file to success, remove the rest
flowFile = session.putAttribute(flowFile, RECORD_COUNT, "0");
session.transfer(flowFile, REL_SUCCESS);
try {
droppedOutputStream.close();
session.remove(droppedFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with dropped records.", ioe);
}
try {
failedOutputStream.close();
session.remove(failedFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with failed records.", ioe);
}
try {
successfulOutputStream.close();
session.remove(successfulFlowFile);
} catch (IOException ioe) {
log.error("Error closing output stream for FlowFile with successful records.", ioe);
}
} else {
// Wait for all the records to finish processing
while (recordCount != (droppedFlowFileCount.get() + failedFlowFileCount.get() + successfulFlowFileCount.get() + recordWriteErrors.get())) {
Thread.yield();
}
// Send partitioned flow files out to their relationships (or remove them if empty)
try {
droppedRecordWriter.finishRecordSet();
droppedRecordWriter.close();
} catch (IOException ioe) {
log.error("Error closing FlowFile with dropped records: {}", new Object[]{ioe.getMessage()}, ioe);
session.rollback();
throw new ProcessException(ioe);
}
if (droppedFlowFileCount.get() > 0) {
droppedFlowFile = session.putAttribute(droppedFlowFile, RECORD_COUNT, Integer.toString(droppedFlowFileCount.get()));
session.transfer(droppedFlowFile, REL_DROPPED);
} else {
session.remove(droppedFlowFile);
}
try {
failedRecordWriter.finishRecordSet();
failedRecordWriter.close();
} catch (IOException ioe) {
log.error("Error closing FlowFile with failed records: {}", new Object[]{ioe.getMessage()}, ioe);
session.rollback();
throw new ProcessException(ioe);
}
if (failedFlowFileCount.get() > 0) {
failedFlowFile = session.putAttribute(failedFlowFile, RECORD_COUNT, Integer.toString(failedFlowFileCount.get()));
session.transfer(failedFlowFile, REL_FAILURE);
} else {
session.remove(failedFlowFile);
}
try {
successfulRecordWriter.finishRecordSet();
successfulRecordWriter.close();
} catch (IOException ioe) {
log.error("Error closing FlowFile with successful records: {}", new Object[]{ioe.getMessage()}, ioe);
session.rollback();
throw new ProcessException(ioe);
}
if (successfulFlowFileCount.get() > 0) {
successfulFlowFile = session.putAttribute(successfulFlowFile, RECORD_COUNT, Integer.toString(successfulFlowFileCount.get()));
session.transfer(successfulFlowFile, REL_SUCCESS);
session.getProvenanceReporter().send(successfulFlowFile, tranquilityController.getTransitUri());
} else {
session.remove(successfulFlowFile);
}
session.remove(flowFile);
}
session.commit();
}
public void onTrigger(ProcessContext context, ProcessSessionFactory factory) throws ProcessException {
final ProcessSession session = factory.createSession();
processFlowFile(context, session);
}
}

2
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor
View File

@ -13,4 +13,4 @@
# See the License for the specific language governing permissions and
# limitations under the License.
org.apache.nifi.processors.PutDruid
org.apache.nifi.processors.druid.PutDruidRecord

150
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/test/java/org/apache/nifi/controller/druid/MockDruidTranquilityController.java Normal file
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@ -0,0 +1,150 @@
/*
* 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.controller.druid;
import com.metamx.tranquility.beam.Beam;
import com.metamx.tranquility.tranquilizer.MessageDroppedException;
import com.metamx.tranquility.tranquilizer.Tranquilizer;
import com.metamx.tranquility.typeclass.Timestamper;
import com.twitter.finagle.Status;
import com.twitter.util.Awaitable;
import com.twitter.util.Duration;
import com.twitter.util.Future;
import com.twitter.util.FutureEventListener;
import com.twitter.util.TimeoutException;
import com.twitter.util.Try;
import io.druid.data.input.impl.TimestampSpec;
import io.druid.query.aggregation.AggregatorFactory;
import org.apache.curator.framework.CuratorFramework;
import scala.Function1;
import scala.Option;
import scala.runtime.BoxedUnit;
import java.util.List;
import java.util.Map;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class MockDruidTranquilityController extends DruidTranquilityController {
private final Tranquilizer t;
private final CuratorFramework cf;
private int numCalls = 0;
public MockDruidTranquilityController() {
this(-1, -1);
}
/**
* Creates a mock/stub Druid controller for testing. The failAfterN parameter must be higher than the dropAfterN parameter in order for messages to be dropped.
*
* @param dropAfterN The number of records after which to start calling the "dropped" callback, namely onFailure(MessageDroppedException)
* @param failAfterN The number of records after which to start calling the "failure" callback, namely onFailure(Exception)
*/
public MockDruidTranquilityController(final int dropAfterN, final int failAfterN) {
t = mock(Tranquilizer.class);
final Future<BoxedUnit> future = new Future<BoxedUnit>() {
FutureEventListener<? super BoxedUnit> listener;
@Override
public Future<BoxedUnit> addEventListener(FutureEventListener<? super BoxedUnit> listener) {
this.listener = listener;
numCalls++;
if (dropAfterN >= 0 && numCalls > failAfterN) {
listener.onFailure(new Exception());
} else if (dropAfterN >= 0 && numCalls > dropAfterN) {
listener.onFailure(MessageDroppedException.Instance());
} else {
listener.onSuccess(BoxedUnit.UNIT);
}
return this;
}
@Override
public Awaitable<BoxedUnit> ready(Duration timeout, CanAwait permit) throws InterruptedException, TimeoutException {
return null;
}
@Override
public BoxedUnit result(Duration timeout, CanAwait permit) throws Exception {
return null;
}
@Override
public boolean isReady(CanAwait permit) {
return true;
}
@Override
public Future<BoxedUnit> respond(Function1<Try<BoxedUnit>, BoxedUnit> k) {
return null;
}
@Override
public Option<Try<BoxedUnit>> poll() {
return null;
}
@Override
public void raise(Throwable interrupt) {
}
@Override
public <B> Future<B> transform(Function1<Try<BoxedUnit>, Future<B>> f) {
return null;
}
};
when(t.send(anyObject())).thenReturn(future);
when(t.status()).thenReturn(new Status() {
});
cf = mock(CuratorFramework.class);
}
@Override
public Tranquilizer getTranquilizer() {
return t;
}
@Override
CuratorFramework getCurator(String zkConnectString) {
return cf;
}
@SuppressWarnings("unchecked")
@Override
Tranquilizer<Map<String, Object>> buildTranquilizer(int maxBatchSize, int maxPendingBatches, int lingerMillis, Beam<Map<String, Object>> beam) {
return t;
}
@SuppressWarnings("unchecked")
@Override
Beam<Map<String, Object>> buildBeam(String dataSource, String indexService, String discoveryPath, int clusterPartitions, int clusterReplication,
String segmentGranularity, String queryGranularity, String windowPeriod, String indexRetryPeriod, List<String> dimensions,
List<AggregatorFactory> aggregator, Timestamper<Map<String, Object>> timestamper, TimestampSpec timestampSpec) {
return mock(Beam.class);
}
@Override
public String getTransitUri() {
return "";
}
}

22
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/test/java/org/apache/nifi/processors/PutDruidTest.java
View File

@ -1,22 +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;
public class PutDruidTest {
}

113
nifi-nar-bundles/nifi-druid-bundle/nifi-druid-processors/src/test/java/org/apache/nifi/processors/druid/PutDruidRecordTest.java Normal file
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@ -0,0 +1,113 @@
/*
* 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.druid;
import org.apache.nifi.controller.druid.DruidTranquilityController;
import org.apache.nifi.controller.druid.MockDruidTranquilityController;
import org.apache.nifi.controller.api.druid.DruidTranquilityService;
import org.apache.nifi.provenance.ProvenanceEventType;
import org.apache.nifi.serialization.record.MockRecordParser;
import org.apache.nifi.serialization.record.MockRecordWriter;
import org.apache.nifi.serialization.record.RecordFieldType;
import org.apache.nifi.util.MockFlowFile;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class PutDruidRecordTest {
private TestRunner runner;
private DruidTranquilityService druidTranquilityController;
private MockRecordParser recordReader;
private MockRecordWriter recordWriter;
@Before
public void setUp() throws Exception {
runner = TestRunners.newTestRunner(PutDruidRecord.class);
druidTranquilityController = new MockDruidTranquilityController(2,3);
recordReader = new MockRecordParser();
recordWriter = new MockRecordWriter(null, true, 2);
runner.addControllerService("reader", recordReader);
runner.enableControllerService(recordReader);
runner.addControllerService("writer", recordWriter);
runner.enableControllerService(recordWriter);
runner.addControllerService("tranquility", druidTranquilityController);
runner.setProperty(druidTranquilityController, DruidTranquilityController.DATASOURCE, "test");
runner.setProperty(druidTranquilityController, DruidTranquilityController.ZOOKEEPER_CONNECTION_STRING, "localhost:2181");
runner.setProperty(druidTranquilityController, DruidTranquilityController.AGGREGATOR_JSON, "[{\"type\": \"count\", \"name\": \"count\"}]");
runner.setProperty(druidTranquilityController, DruidTranquilityController.DIMENSIONS_LIST, "dim1,dim2");
runner.assertValid(druidTranquilityController);
runner.enableControllerService(druidTranquilityController);
runner.setProperty(PutDruidRecord.RECORD_READER_FACTORY, "reader");
runner.setProperty(PutDruidRecord.RECORD_WRITER_FACTORY, "writer");
runner.setProperty(PutDruidRecord.DRUID_TRANQUILITY_SERVICE, "tranquility");
}
@Test
public void testEmptyRecord() throws Exception {
recordReader.addSchemaField("name", RecordFieldType.STRING);
recordReader.addSchemaField("age", RecordFieldType.INT);
recordReader.addSchemaField("sport", RecordFieldType.STRING);
runner.enqueue("");
runner.run();
runner.assertTransferCount(PutDruidRecord.REL_SUCCESS, 1);
runner.assertTransferCount(PutDruidRecord.REL_FAILURE, 0);
runner.assertTransferCount(PutDruidRecord.REL_DROPPED, 0);
MockFlowFile flowFile = runner.getFlowFilesForRelationship(PutDruidRecord.REL_SUCCESS).get(0);
flowFile.assertAttributeEquals(PutDruidRecord.RECORD_COUNT, "0");
}
@Test
public void testPutRecords() throws Exception {
recordReader.addSchemaField("name", RecordFieldType.STRING);
recordReader.addSchemaField("age", RecordFieldType.INT);
recordReader.addSchemaField("sport", RecordFieldType.STRING);
recordReader.addRecord("John Doe", 48, "Soccer");
recordReader.addRecord("Jane Doe", 47, "Tennis");
recordReader.addRecord("Sally Doe", 47, "Curling"); // Will be dropped due to the "drop after 2" parameter on the MockDruidTranquilityController
recordReader.addRecord("Jimmy Doe", 14, null); // Will fail due to the "fail after 3" parameter on the MockDruidTranquilityController
recordReader.addRecord("Pizza Doe", 14, null); // Will fail due to the "fail after 3" parameter on the MockDruidTranquilityController
recordReader.addRecord("Bad Record", "X", 13); // RecordWriter fail due to the "fail after 2" parameter on the MockRecordWriter, not written to output
runner.enqueue("");
runner.run();
runner.assertTransferCount(PutDruidRecord.REL_SUCCESS, 1);
runner.assertTransferCount(PutDruidRecord.REL_FAILURE, 1);
runner.assertTransferCount(PutDruidRecord.REL_DROPPED, 1);
MockFlowFile flowFile = runner.getFlowFilesForRelationship(PutDruidRecord.REL_SUCCESS).get(0);
flowFile.assertAttributeEquals(PutDruidRecord.RECORD_COUNT, "2");
flowFile = runner.getFlowFilesForRelationship(PutDruidRecord.REL_DROPPED).get(0);
flowFile.assertAttributeEquals(PutDruidRecord.RECORD_COUNT, "1");
flowFile = runner.getFlowFilesForRelationship(PutDruidRecord.REL_FAILURE).get(0);
flowFile.assertAttributeEquals(PutDruidRecord.RECORD_COUNT, "2");
// Assert a single SEND event present for the successful flow file
assertEquals(1, runner.getProvenanceEvents().stream().filter((e) -> ProvenanceEventType.SEND.equals(e.getEventType())).count());
}
}

21
nifi-nar-bundles/nifi-druid-bundle/pom.xml
View File

@ -27,10 +27,25 @@
<packaging>pom</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<druid.version>0.9.1</druid.version>
<tranquility.version>0.8.2</tranquility.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.druid</groupId>
<artifactId>tranquility-core_2.11</artifactId>
<version>${tranquility.version}</version>
</dependency>
<dependency>
<groupId>io.druid</groupId>
<artifactId>druid-processing</artifactId>
<version>${druid.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<modules>
<module>nifi-druid-nar</module>
<module>nifi-druid-controller-service-api-nar</module>

1
nifi-nar-bundles/pom.xml
View File

@ -91,6 +91,7 @@
<module>nifi-metrics-reporting-bundle</module>
<module>nifi-spark-bundle</module>
<module>nifi-atlas-bundle</module>
<module>nifi-druid-bundle</module>
</modules>
<build>