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Adding to PutElasticsearch - validators, unit tests, etc.

This commit is contained in:
Matt Burgess 2015-12-29 13:43:54 -05:00
parent e6cfcf40d0
commit 943d0a6e53
13 changed files with 833 additions and 418 deletions
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5
nifi-assembly/pom.xml
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@ -267,6 +267,11 @@ language governing permissions and limitations under the License. -->
<artifactId>nifi-scripting-nar</artifactId>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-elasticsearch-nar</artifactId>
<type>nar</type>
</dependency>
</dependencies>
<properties>

6
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-nar/pom.xml
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@ -6,10 +6,10 @@
<parent>
<artifactId>nifi-elasticsearch-bundle</artifactId>
<groupId>org.apache.nifi</groupId>
<version>0.4.1-SNAPSHOT</version>
<version>0.4.2-SNAPSHOT</version>
</parent>
<groupId>gov.pnnl.nifi</groupId>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-elasticsearch-nar</artifactId>
<packaging>nar</packaging>
@ -17,7 +17,7 @@
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-elasticsearch-processors</artifactId>
<version>0.4.1-SNAPSHOT</version>
<version>${project.version}</version>
</dependency>
</dependencies>

212
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-nar/src/main/resources/META-INF/LICENSE Normal file
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@ -0,0 +1,212 @@
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0
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-nar/src/main/resources/META-INF/NOTICE.txt → nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-nar/src/main/resources/META-INF/NOTICE
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9
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/pom.xml
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@ -6,7 +6,7 @@
<parent>
<artifactId>nifi-elasticsearch-bundle</artifactId>
<groupId>org.apache.nifi</groupId>
<version>0.4.1-SNAPSHOT</version>
<version>0.4.2-SNAPSHOT</version>
</parent>
<groupId>org.apache.nifi</groupId>
@ -14,7 +14,7 @@
<properties>
<slf4jversion>1.7.12</slf4jversion>
<es.version>1.7.1</es.version>
<es.version>2.1.0</es.version>
<gsonversion>2.4</gsonversion>
<jodatimeversion>2.9.1</jodatimeversion>
</properties>
@ -28,6 +28,11 @@
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-processor-utils</artifactId>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-core</artifactId>
<version>${lucene.version}</version>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-mock</artifactId>

232
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/AbstractElasticSearchProcessor.java
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@ -1,232 +0,0 @@
package org.apache.nifi.processors.elasticsearch;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.annotation.lifecycle.OnStopped;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.util.StandardValidators;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import com.google.gson.*;
public abstract class AbstractElasticSearchProcessor extends AbstractProcessor{
protected static final PropertyDescriptor CLUSTER_NAME = new PropertyDescriptor.Builder()
.name("Cluster Name")
.description("Name of the ES cluster. For example, elasticsearch_brew")
.required(true)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected static final PropertyDescriptor HOSTS = new PropertyDescriptor.Builder()
.name("ElasticSearch Hosts")
.description("ElasticSearch Hosts, which should be comma separated and colon for hostname/port " +
"host1:port,host2:port,.... For example testcluster:9300")
.required(true)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected static final PropertyDescriptor PING_TIMEOUT = new PropertyDescriptor.Builder()
.name("ElasticSearch Ping Timeout")
.description("The ping timeout used to determine when a node is unreachable. " +
"For example, 5s (5 seconds). If non-local recommended is 30s")
.required(true)
.defaultValue("5s")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected static final PropertyDescriptor SAMPLER_INTERVAL = new PropertyDescriptor.Builder()
.name("Sampler Interval")
.description("Node sampler interval. For example, 5s (5 seconds) If non-local recommended is 30s")
.required(true)
.defaultValue("5s")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected static final PropertyDescriptor INDEX_STRATEGY = new PropertyDescriptor.Builder()
.name("Index Strategy")
.description("Pick the index strategy. Yearly, Monthly, Daily, Hourly")
.required(true)
.defaultValue("Monthly")
.allowableValues("Yearly", "Monthly", "Daily", "Hourly")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected TransportClient esClient;
protected List<InetSocketAddress> esHosts;
protected String indexPrefix;
protected static String indexStrategy;
/**
* Instantiate ElasticSearch Client
* @param context
* @throws IOException
*/
@OnScheduled
public final void createClient(ProcessContext context) throws IOException {
if (esClient != null) {
closeClient();
}
getLogger().info("Creating ElasticSearch Client");
try {
final String clusterName = context.getProperty(CLUSTER_NAME).toString();
final String pingTimeout = context.getProperty(PING_TIMEOUT).toString();
final String samplerInterval = context.getProperty(SAMPLER_INTERVAL).toString();
indexStrategy = context.getProperty(INDEX_STRATEGY).toString();
//create new transport client
esClient = new TransportClient(
ImmutableSettings.builder()
.put("cluster.name", clusterName)
.put("client.transport.ping_timeout", pingTimeout)
.put("client.transport.nodes_sampler_interval", samplerInterval),
false);
final String hosts = context.getProperty(HOSTS).toString();
esHosts = GetEsHosts(hosts);
for (final InetSocketAddress host : esHosts) {
esClient.addTransportAddress(new InetSocketTransportAddress(host));
}
} catch (Exception e) {
getLogger().error("Failed to schedule PutElasticSearch due to {}", new Object[] { e }, e);
throw e;
}
}
/**
* Dispose of ElasticSearch client
*/
@OnStopped
public final void closeClient() {
if (esClient != null) {
getLogger().info("Closing ElasticSearch Client");
esClient.close();
esClient = null;
}
}
/**
* Get the ElasticSearch hosts from the Nifi attribute
* @param hosts A comma separted list of ElasticSearch hosts
* @return List of InetSockeAddresses for the ES hosts
*/
private List<InetSocketAddress> GetEsHosts(String hosts){
final List<String> esList = Arrays.asList(hosts.split(","));
List<InetSocketAddress> esHosts = new ArrayList<>();
for(String item : esList){
String[] addresses = item.split(":");
final String hostName = addresses[0];
final int port = Integer.parseInt(addresses[1]);
esHosts.add(new InetSocketAddress(hostName, port));
}
return esHosts;
}
/**
* Get ElasticSearch index for data
* @param input
* @return
*/
public String getIndex(final JsonObject input) {
return extractIndexString(input);
}
/**
* Get ElasticSearch Type
* @param input
* @return
*/
public String getType(final JsonObject input) {
return "status";
}
/**
* Get id for ElasticSearch
* @param input
* @return
*/
public String getId(final JsonObject input) {
return input.get("id").getAsString();
}
/**
* Get Source for ElasticSearch
* @param input
* @return
*/
public byte[] getSource(final JsonObject input) {
String jsonString = input.toString();
jsonString = jsonString.replace("\r\n", " ").replace('\n', ' ').replace('\r', ' ');
return jsonString.getBytes(StandardCharsets.UTF_8);
}
/**
* Identify ElasticSearch index where data will land
* @param parsedJson
* @return
*/
private static String extractIndexString(final JsonObject parsedJson) {
final String extractedDate = "created_at";
if(!parsedJson.has(extractedDate))
throw new IllegalArgumentException("Message is missing " + extractedDate);
final DateTimeFormatter format =
DateTimeFormat.forPattern("EEE MMM dd HH:mm:ss Z yyyy").withLocale(Locale.ENGLISH);
final String dateElement = parsedJson.get(extractedDate).getAsString();
final DateTimeFormatter isoFormat = ISODateTimeFormat.dateTime();
final DateTime dateTime = isoFormat.parseDateTime(format.parseDateTime(dateElement).toString());
final DateTimeFormatter dateFormat;
//Create ElasticSearch Index
switch (indexStrategy){
case "Yearly":
dateFormat = DateTimeFormat.forPattern("yyyy_MM");
break;
case "Monthly":
dateFormat = DateTimeFormat.forPattern("yyyy_MM");
break;
case "Daily":
dateFormat = DateTimeFormat.forPattern("yyyy_MM_dd");
break;
case "Hourly":
dateFormat = DateTimeFormat.forPattern("yyyy_MM_dd_HH");
break;
default:
throw new IllegalArgumentException("Invalid index strategy selected: " + indexStrategy);
}
//ElasticSearch indexes must be lowercase
final String strategy = indexStrategy.toLowerCase() + "_" + dateFormat.print(dateTime);
return strategy;
}
}

227
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/AbstractElasticsearchProcessor.java Normal file
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@ -0,0 +1,227 @@
/*
* 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.elasticsearch;
import com.google.gson.JsonObject;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.annotation.lifecycle.OnStopped;
import org.apache.nifi.components.AllowableValue;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.components.PropertyValue;
import org.apache.nifi.components.ValidationContext;
import org.apache.nifi.components.ValidationResult;
import org.apache.nifi.components.Validator;
import org.apache.nifi.logging.ProcessorLog;
import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.util.StandardValidators;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.elasticsearch.node.NodeBuilder;
public abstract class AbstractElasticsearchProcessor extends AbstractProcessor {
protected static final AllowableValue TRANSPORT_CLIENT =
new AllowableValue("transport", "Transport",
"Specifies a Transport Client be used to connect to the Elasticsearch cluster. A Transport "
+ "client does not join the cluster, and is better for a large number of connections "
+ "and/or if the NiFi node(s) and Elasticsearch nodes are mostly isolated via firewall.");
protected static final AllowableValue NODE_CLIENT =
new AllowableValue("node", "Node",
"Specifies a Node Client be used to connect to the Elasticsearch cluster. This client joins the "
+ "cluster, so operations are performed more quickly, but the NiFi node may need to be "
+ "configured such that it can successfully join the Elasticsearch cluster");
protected static final PropertyDescriptor CLIENT_TYPE = new PropertyDescriptor.Builder()
.name("Client type")
.description("The type of client used to connect to the Elasticsearch cluster. Transport client is more "
+ "isolated and lighter-weight, and Node client is faster and more integrated into the ES cluster")
.required(true)
.allowableValues(TRANSPORT_CLIENT, NODE_CLIENT)
.defaultValue(TRANSPORT_CLIENT.getValue())
.addValidator(Validator.VALID)
.build();
protected static final PropertyDescriptor CLUSTER_NAME = new PropertyDescriptor.Builder()
.name("Cluster Name")
.description("Name of the ES cluster (for example, elasticsearch_brew). Defaults to 'elasticsearch'")
.required(false)
.addValidator(Validator.VALID)
.build();
protected static final PropertyDescriptor HOSTS = new PropertyDescriptor.Builder()
.name("ElasticSearch Hosts")
.description("ElasticSearch Hosts, which should be comma separated and colon for hostname/port "
+ "host1:port,host2:port,.... For example testcluster:9300. Note that this property is only "
+ "needed when using a Transport client, it is ignored when using a Node client")
.required(false)
.addValidator(new ElasticsearchClientValidator())
.build();
protected static final PropertyDescriptor PING_TIMEOUT = new PropertyDescriptor.Builder()
.name("ElasticSearch Ping Timeout")
.description("The ping timeout used to determine when a node is unreachable. " +
"For example, 5s (5 seconds). If non-local recommended is 30s")
.required(true)
.defaultValue("5s")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected static final PropertyDescriptor SAMPLER_INTERVAL = new PropertyDescriptor.Builder()
.name("Sampler Interval")
.description("Node sampler interval. For example, 5s (5 seconds) If non-local recommended is 30s")
.required(true)
.defaultValue("5s")
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
protected Client esClient;
protected List<InetSocketAddress> esHosts;
/**
* Instantiate ElasticSearch Client
*
* @param context
* @throws IOException
*/
@OnScheduled
public void createClient(ProcessContext context) throws IOException {
ProcessorLog log = getLogger();
if (esClient != null) {
closeClient();
}
log.info("Creating ElasticSearch Client");
try {
final String clusterType = context.getProperty(CLIENT_TYPE).toString();
final String clusterName = context.getProperty(CLUSTER_NAME).toString();
final String pingTimeout = context.getProperty(PING_TIMEOUT).toString();
final String samplerInterval = context.getProperty(SAMPLER_INTERVAL).toString();
if ("transport".equals(clusterType)) {
//create new transport client
Settings settings = Settings.settingsBuilder()
.put("cluster.name", clusterName)
.put("client.transport.ping_timeout", pingTimeout)
.put("client.transport.nodes_sampler_interval", samplerInterval)
.build();
TransportClient transportClient = TransportClient.builder().settings(settings).build();
final String hosts = context.getProperty(HOSTS).toString();
esHosts = GetEsHosts(hosts);
if (esHosts != null) {
for (final InetSocketAddress host : esHosts) {
transportClient.addTransportAddress(new InetSocketTransportAddress(host));
}
}
esClient = transportClient;
} else if ("node".equals(clusterType)) {
esClient = NodeBuilder.nodeBuilder().clusterName(clusterName).node().client();
}
} catch (Exception e) {
log.error("Failed to create Elasticsearch client due to {}", new Object[]{e}, e);
throw e;
}
}
/**
* Dispose of ElasticSearch client
*/
@OnStopped
public final void closeClient() {
if (esClient != null) {
getLogger().info("Closing ElasticSearch Client");
esClient.close();
esClient = null;
}
}
/**
* Get the ElasticSearch hosts from a Nifi attribute, e.g.
*
* @param hosts A comma-separated list of ElasticSearch hosts (host:port,host2:port2, etc.)
* @return List of InetSocketAddresses for the ES hosts
*/
private List<InetSocketAddress> GetEsHosts(String hosts) {
if (hosts == null) {
return null;
}
final List<String> esList = Arrays.asList(hosts.split(","));
List<InetSocketAddress> esHosts = new ArrayList<>();
for (String item : esList) {
String[] addresses = item.split(":");
final String hostName = addresses[0];
final int port = Integer.parseInt(addresses[1]);
esHosts.add(new InetSocketAddress(hostName, port));
}
return esHosts;
}
/**
* Get Source for ElasticSearch. The string representation of the JSON object is returned as a byte array after
* replacing newlines with spaces
*
* @param input a JSON object to be serialized to UTF-8
* @return a byte array containing the UTF-8 representation (without newlines) of the JSON object
*/
public byte[] getSource(final JsonObject input) {
String jsonString = input.toString();
jsonString = jsonString.replace("\r\n", " ").replace('\n', ' ').replace('\r', ' ');
return jsonString.getBytes(StandardCharsets.UTF_8);
}
/**
* A custom validator for the Elasticsearch properties list. For example, the hostnames property doesn't need to
* be filled in for a Node client, as it joins the cluster by name. Alternatively if a Transport client
*/
protected static class ElasticsearchClientValidator implements Validator {
@Override
public ValidationResult validate(String subject, String input, ValidationContext context) {
// Only validate hosts if cluster type == Transport
if (HOSTS.getName().equals(subject)) {
PropertyValue clientTypeProperty = context.getProperty(CLIENT_TYPE);
if (TRANSPORT_CLIENT.getValue().equals(clientTypeProperty.getValue())) {
return StandardValidators.NON_EMPTY_VALIDATOR.validate(
CLIENT_TYPE.getName(), clientTypeProperty.getValue(), context);
}
}
return VALID.validate(subject, input, context);
}
}
}

178
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticSearch.java → nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearch.java
View File

@ -1,9 +1,28 @@
/*
* 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.elasticsearch;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.nifi.annotation.behavior.EventDriven;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.expression.AttributeExpression;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.logging.ProcessorLog;
import org.apache.nifi.processor.ProcessContext;
@ -12,38 +31,67 @@ import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.processor.io.InputStreamCallback;
import org.apache.nifi.processor.util.StandardValidators;
import org.apache.nifi.processors.elasticsearch.AbstractElasticSearchProcessor;
import org.apache.nifi.stream.io.StreamUtils;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.ElasticsearchTimeoutException;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.client.transport.NoNodeAvailableException;
import org.elasticsearch.*;
import org.elasticsearch.transport.ReceiveTimeoutTransportException;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.google.gson.*;
@EventDriven
@Tags({"elasticsearch", "insert", "update", "write", "put"})
@CapabilityDescription("Writes the contents of a FlowFile to ElasticSearch")
public class PutElasticSearch extends AbstractElasticSearchProcessor {
@CapabilityDescription("Writes the contents of a FlowFile to Elasticsearch")
public class PutElasticsearch extends AbstractElasticsearchProcessor {
static final Relationship REL_SUCCESS = new Relationship.Builder().name("success")
.description("All FlowFiles that are written to ElasticSearch are routed to this relationship").build();
.description("All FlowFiles that are written to Elasticsearch are routed to this relationship").build();
static final Relationship REL_FAILURE = new Relationship.Builder().name("failure")
.description("All FlowFiles that cannot be written to ElasticSearch are routed to this relationship").build();
.description("All FlowFiles that cannot be written to Elasticsearch are routed to this relationship").build();
static final Relationship REL_RETRY = new Relationship.Builder()
.name("retry")
.description("A FlowFile is routed to this relationship if the database cannot be updated but attempting the operation again may succeed")
.build();
public static final PropertyDescriptor ID_ATTRIBUTE = new PropertyDescriptor.Builder()
.name("Identifier attribute")
.description("The name of the attribute containing the identifier for each FlowFile")
.required(true)
.expressionLanguageSupported(false)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
public static final PropertyDescriptor INDEX = new PropertyDescriptor.Builder()
.name("Index")
.description("The name of the index to insert into")
.required(true)
.expressionLanguageSupported(true)
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(
AttributeExpression.ResultType.STRING, true))
.build();
public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
.name("Type")
.description("The type of this document (used by Elasticsearch for indexing and searching)")
.required(true)
.expressionLanguageSupported(true)
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(
AttributeExpression.ResultType.STRING, true))
.build();
public static final PropertyDescriptor BATCH_SIZE = new PropertyDescriptor.Builder()
.name("Batch Size")
.description("The preferred number of FlowFiles to put to the database in a single transaction")
@ -52,40 +100,40 @@ public class PutElasticSearch extends AbstractElasticSearchProcessor {
.defaultValue("100")
.build();
private final List<PropertyDescriptor> descriptors;
private final Set<Relationship> relationships;
public PutElasticSearch() {
final List<PropertyDescriptor> descriptors = new ArrayList<>();
descriptors.add(CLUSTER_NAME);
descriptors.add(HOSTS);
descriptors.add(PING_TIMEOUT);
descriptors.add(SAMPLER_INTERVAL);
descriptors.add(BATCH_SIZE);
descriptors.add(INDEX_STRATEGY);
this.descriptors = Collections.unmodifiableList(descriptors);
@Override
public Set<Relationship> getRelationships() {
final Set<Relationship> relationships = new HashSet<>();
relationships.add(REL_SUCCESS);
relationships.add(REL_FAILURE);
relationships.add(REL_RETRY);
this.relationships = Collections.unmodifiableSet(relationships);
}
@Override
public Set<Relationship> getRelationships() {
return this.relationships;
return Collections.unmodifiableSet(relationships);
}
@Override
public final List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return descriptors;
final List<PropertyDescriptor> descriptors = new ArrayList<>();
descriptors.add(CLIENT_TYPE);
descriptors.add(CLUSTER_NAME);
descriptors.add(HOSTS);
descriptors.add(PING_TIMEOUT);
descriptors.add(SAMPLER_INTERVAL);
descriptors.add(ID_ATTRIBUTE);
descriptors.add(INDEX);
descriptors.add(TYPE);
descriptors.add(BATCH_SIZE);
return Collections.unmodifiableList(descriptors);
}
@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) throws ProcessException {
final int batchSize = context.getProperty(BATCH_SIZE).asInteger();
final String index = context.getProperty(INDEX).evaluateAttributeExpressions().getValue();
final String id_attribute = context.getProperty(ID_ATTRIBUTE).getValue();
final String docType = context.getProperty(TYPE).getValue();
final List<FlowFile> flowFiles = session.get(batchSize);
if (flowFiles.isEmpty()) {
return;
@ -94,13 +142,32 @@ public class PutElasticSearch extends AbstractElasticSearchProcessor {
final ProcessorLog logger = getLogger();
try {
final BulkRequestBuilder bulk = GetEsBulkRequest(session, flowFiles);
final BulkRequestBuilder bulk = esClient.prepareBulk();
for (FlowFile file : flowFiles) {
final String id = file.getAttribute(id_attribute);
if (id == null) {
getLogger().error("no value in identifier attribute {}", new Object[]{id_attribute});
throw new ProcessException("No value in identifier attribute " + id_attribute);
}
session.read(file, new InputStreamCallback() {
@Override
public void process(final InputStream in) throws IOException {
final InputStreamReader input = new InputStreamReader(in);
final JsonParser parser = new JsonParser();
final JsonObject json = parser.parse(input).getAsJsonObject();
bulk.add(esClient.prepareIndex(index, docType, id)
.setSource(getSource(json)));
}
});
}
final BulkResponse response = bulk.execute().actionGet();
if (response.hasFailures()) {
for (final BulkItemResponse item : response.getItems()) {
final FlowFile flowFile = flowFiles.get(item.getItemId());
if (item.isFailed()) {
logger.error("Failed to insert {} into ElasticSearch due to {}",
logger.error("Failed to insert {} into Elasticsearch due to {}",
new Object[]{flowFile, item.getFailure()}, new Exception());
session.transfer(flowFile, REL_FAILURE);
@ -117,36 +184,28 @@ public class PutElasticSearch extends AbstractElasticSearchProcessor {
} catch (NoNodeAvailableException nne) {
logger.error("Failed to insert {} into ElasticSearch No Node Available {}", new Object[]{nne}, nne);
logger.error("Failed to insert {} into Elasticsearch No Node Available {}", new Object[]{nne}, nne);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_RETRY);
}
context.yield();
} catch (ElasticsearchTimeoutException ete) {
logger.error("Failed to insert {} into ElasticSearch Timeout to {}", new Object[]{ete}, ete);
logger.error("Failed to insert {} into Elasticsearch Timeout to {}", new Object[]{ete}, ete);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_RETRY);
}
context.yield();
} catch (ReceiveTimeoutTransportException rtt) {
logger.error("Failed to insert {} into ElasticSearch ReceiveTimeoutTransportException to {}", new Object[]{rtt}, rtt);
logger.error("Failed to insert {} into Elasticsearch ReceiveTimeoutTransportException to {}", new Object[]{rtt}, rtt);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_RETRY);
}
context.yield();
} catch (ElasticsearchParseException esp) {
logger.error("Failed to insert {} into ElasticSearch Parse Exception {}", new Object[]{esp}, esp);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_FAILURE);
}
context.yield();
} catch (ElasticsearchException e) {
logger.error("Failed to insert {} into ElasticSearch due to {}", new Object[]{e}, e);
logger.error("Failed to insert {} into Elasticsearch Parse Exception {}", new Object[]{esp}, esp);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_FAILURE);
@ -154,7 +213,7 @@ public class PutElasticSearch extends AbstractElasticSearchProcessor {
context.yield();
} catch (Exception e) {
logger.error("Failed to insert {} into ElasticSearch due to {}", new Object[]{e}, e);
logger.error("Failed to insert {} into Elasticsearch due to {}", new Object[]{e}, e);
for (final FlowFile flowFile : flowFiles) {
session.transfer(flowFile, REL_FAILURE);
@ -163,35 +222,4 @@ public class PutElasticSearch extends AbstractElasticSearchProcessor {
}
}
/**
* Get the ES bulk request for the session
*
* @param session ProcessSession
* @param flowFiles Flowfiles pulled off of the queue to batch in
* @return BulkeRequestBuilder
*/
private BulkRequestBuilder GetEsBulkRequest(final ProcessSession session, final List<FlowFile> flowFiles) {
final BulkRequestBuilder bulk = esClient.prepareBulk();
for (FlowFile file : flowFiles) {
final byte[] content = new byte[(int) file.getSize()];
session.read(file, new InputStreamCallback() {
@Override
public void process(final InputStream in) throws IOException {
StreamUtils.fillBuffer(in, content, true);
final String input = new String(content);
final JsonParser parser = new JsonParser();
final JsonObject json = parser.parse(input).getAsJsonObject();
bulk.add(esClient.prepareIndex(getIndex(json), getType(json), getId(json))
.setSource(getSource(json)));
}
});
}
return bulk;
}
}

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

@ -12,4 +12,4 @@
# 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.
org.apache.nifi.processors.elasticsearch.PutElasticSearch
org.apache.nifi.processors.elasticsearch.PutElasticsearch

103
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/test/java/org/apache/nifi/processors/elasticsearch/TestPutElasticSearch.java
View File

@ -1,103 +0,0 @@
package org.apache.nifi.processors.elasticsearch;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.nifi.util.MockFlowFile;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.*;
import java.io.IOException;
import java.io.InputStream;
public class TestPutElasticSearch {
private InputStream twitterExample;
private TestRunner runner;
@Before
public void setUp() throws IOException {
ClassLoader classloader = Thread.currentThread().getContextClassLoader();
twitterExample = classloader
.getResourceAsStream("TweetExample.json");
}
@After
public void teardown() {
runner = null;
}
@Test
@Ignore("Comment this out if you want to run against local or test ES")
public void testPutElasticSearchBasic() throws IOException {
System.out.println("Starting test " + new Object() {
}.getClass().getEnclosingMethod().getName());
final TestRunner runner = TestRunners.newTestRunner(new PutElasticSearch());
runner.setValidateExpressionUsage(false);
//Local Cluster - Mac pulled from brew
runner.setProperty(AbstractElasticSearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticSearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticSearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticSearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(AbstractElasticSearchProcessor.INDEX_STRATEGY, "Monthly");
runner.setProperty(PutElasticSearch.BATCH_SIZE, "1");
runner.enqueue(twitterExample);
runner.run();
runner.assertAllFlowFilesTransferred(PutElasticSearch.REL_SUCCESS, 1);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticSearch.REL_SUCCESS).get(0);
}
@Test
@Ignore("Comment this out if you want to run against local or test ES")
public void testPutElasticSearchBatch() throws IOException {
System.out.println("Starting test " + new Object() {
}.getClass().getEnclosingMethod().getName());
final TestRunner runner = TestRunners.newTestRunner(new PutElasticSearch());
runner.setValidateExpressionUsage(false);
//Local Cluster - Mac pulled from brew
runner.setProperty(AbstractElasticSearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticSearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticSearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticSearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(AbstractElasticSearchProcessor.INDEX_STRATEGY, "Monthly");
runner.setProperty(PutElasticSearch.BATCH_SIZE, "100");
JsonParser parser = new JsonParser();
JsonObject json;
String message = convertStreamToString(twitterExample);
for (int i = 0;i < 100; i++){
json = parser.parse(message).getAsJsonObject();
String id = json.get("id").getAsString();
long newId = Long.parseLong(id) + i;
json.addProperty("id", newId);
runner.enqueue(message.getBytes());
}
runner.run();
runner.assertAllFlowFilesTransferred(PutElasticSearch.REL_SUCCESS, 100);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticSearch.REL_SUCCESS).get(0);
}
/**
* Convert an input stream to a stream
* @param is input the input stream
* @return return the converted input stream as a string
*/
static String convertStreamToString(java.io.InputStream is) {
java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
return s.hasNext() ? s.next() : "";
}
}

262
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/test/java/org/apache/nifi/processors/elasticsearch/TestPutElasticsearch.java Normal file
View File

@ -0,0 +1,262 @@
/*
* 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.elasticsearch;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.util.MockFlowFile;
import org.apache.nifi.util.MockProcessContext;
import org.apache.nifi.util.MockProcessorInitializationContext;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ListenableActionFuture;
import org.elasticsearch.action.bulk.BulkAction;
import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexAction;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.action.support.AbstractListenableActionFuture;
import org.elasticsearch.action.support.AdapterActionFuture;
import org.elasticsearch.action.support.PlainListenableActionFuture;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.unit.TimeValue;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.concurrent.ExecutionException;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
public class TestPutElasticsearch {
private InputStream twitterExample;
private TestRunner runner;
@Before
public void setUp() throws IOException {
ClassLoader classloader = Thread.currentThread().getContextClassLoader();
twitterExample = classloader
.getResourceAsStream("TweetExample.json");
}
@After
public void teardown() {
runner = null;
}
@Test
public void testPutElasticSearchOnTrigger() throws IOException {
runner = TestRunners.newTestRunner(new ElasticsearchTestProcessor(false)); // no failures
runner.setValidateExpressionUsage(false);
runner.setProperty(AbstractElasticsearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticsearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticsearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticsearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(PutElasticsearch.INDEX, "tweet");
runner.assertNotValid();
runner.setProperty(PutElasticsearch.TYPE, "status");
runner.setProperty(PutElasticsearch.BATCH_SIZE, "1");
runner.assertNotValid();
runner.setProperty(PutElasticsearch.ID_ATTRIBUTE, "tweet_id");
runner.assertValid();
runner.enqueue(twitterExample, new HashMap<String, String>() {{
put("tweet_id", "28039652140");
}});
runner.run(1, true, true);
runner.assertAllFlowFilesTransferred(PutElasticsearch.REL_SUCCESS, 1);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticsearch.REL_SUCCESS).get(0);
assertNotNull(out);
out.assertAttributeEquals("tweet_id", "28039652140");
}
@Test
public void testPutElasticSearchOnTriggerWithFailures() throws IOException {
runner = TestRunners.newTestRunner(new ElasticsearchTestProcessor(true)); // simulate failures
runner.setValidateExpressionUsage(false);
runner.setProperty(AbstractElasticsearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticsearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticsearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticsearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(PutElasticsearch.INDEX, "tweet");
runner.setProperty(PutElasticsearch.TYPE, "status");
runner.setProperty(PutElasticsearch.BATCH_SIZE, "1");
runner.setProperty(PutElasticsearch.ID_ATTRIBUTE, "tweet_id");
runner.enqueue(twitterExample, new HashMap<String, String>() {{
put("tweet_id", "28039652140");
}});
runner.run(1, true, true);
runner.assertAllFlowFilesTransferred(PutElasticsearch.REL_FAILURE, 1);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticsearch.REL_FAILURE).get(0);
assertNotNull(out);
out.assertAttributeEquals("tweet_id", "28039652140");
}
/**
* A Test class that extends the processor in order to inject/mock behavior
*/
private static class ElasticsearchTestProcessor extends PutElasticsearch {
boolean responseHasFailures = false;
public ElasticsearchTestProcessor(boolean responseHasFailures) {
this.responseHasFailures = responseHasFailures;
}
@Override
@OnScheduled
public void createClient(ProcessContext context) throws IOException {
esClient = mock(Client.class);
BulkRequestBuilder bulkRequestBuilder = spy(new BulkRequestBuilder(esClient, BulkAction.INSTANCE));
doReturn(new MockBulkRequestBuilderExecutor(responseHasFailures)).when(bulkRequestBuilder).execute();
when(esClient.prepareBulk()).thenReturn(bulkRequestBuilder);
IndexRequestBuilder indexRequestBuilder = new IndexRequestBuilder(esClient, IndexAction.INSTANCE);
when(esClient.prepareIndex(anyString(), anyString(), anyString())).thenReturn(indexRequestBuilder);
}
private static class MockBulkRequestBuilderExecutor
extends AdapterActionFuture<BulkResponse, ActionListener<BulkResponse>>
implements ListenableActionFuture<BulkResponse> {
boolean responseHasFailures = false;
public MockBulkRequestBuilderExecutor(boolean responseHasFailures) {
this.responseHasFailures = responseHasFailures;
}
@Override
protected BulkResponse convert(ActionListener<BulkResponse> bulkResponseActionListener) {
return null;
}
@Override
public void addListener(ActionListener<BulkResponse> actionListener) {
}
@Override
public BulkResponse get() throws InterruptedException, ExecutionException {
BulkResponse response = mock(BulkResponse.class);
when(response.hasFailures()).thenReturn(responseHasFailures);
return response;
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Integration test section below
//
// The tests below are meant to run on real ES instances, and are thus @Ignored during normal test execution.
// However if you wish to execute them as part of a test phase, comment out the @Ignored line for each
// desired test.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Tests basic ES functionality against a local or test ES cluster
* @throws IOException
*/
@Test
@Ignore("Comment this out if you want to run against local or test ES")
public void testPutElasticSearchBasic() throws IOException {
System.out.println("Starting test " + new Object() {
}.getClass().getEnclosingMethod().getName());
final TestRunner runner = TestRunners.newTestRunner(new PutElasticsearch());
runner.setValidateExpressionUsage(false);
//Local Cluster - Mac pulled from brew
runner.setProperty(AbstractElasticsearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticsearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticsearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticsearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(PutElasticsearch.INDEX, "tweet");
runner.setProperty(PutElasticsearch.BATCH_SIZE, "1");
runner.enqueue(twitterExample);
runner.run(1, true, true);
runner.assertAllFlowFilesTransferred(PutElasticsearch.REL_SUCCESS, 1);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticsearch.REL_SUCCESS).get(0);
}
@Test
@Ignore("Comment this out if you want to run against local or test ES")
public void testPutElasticSearchBatch() throws IOException {
System.out.println("Starting test " + new Object() {
}.getClass().getEnclosingMethod().getName());
final TestRunner runner = TestRunners.newTestRunner(new PutElasticsearch());
runner.setValidateExpressionUsage(false);
//Local Cluster - Mac pulled from brew
runner.setProperty(AbstractElasticsearchProcessor.CLUSTER_NAME, "elasticsearch_brew");
runner.setProperty(AbstractElasticsearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticsearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticsearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(PutElasticsearch.INDEX, "tweet");
runner.setProperty(PutElasticsearch.BATCH_SIZE, "100");
JsonParser parser = new JsonParser();
JsonObject json;
String message = convertStreamToString(twitterExample);
for (int i = 0; i < 100; i++) {
json = parser.parse(message).getAsJsonObject();
String id = json.get("id").getAsString();
long newId = Long.parseLong(id) + i;
json.addProperty("id", newId);
runner.enqueue(message.getBytes());
}
runner.run();
runner.assertAllFlowFilesTransferred(PutElasticsearch.REL_SUCCESS, 100);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticsearch.REL_SUCCESS).get(0);
}
/**
* Convert an input stream to a stream
*
* @param is input the input stream
* @return return the converted input stream as a string
*/
static String convertStreamToString(java.io.InputStream is) {
java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
return s.hasNext() ? s.next() : "";
}
}

7
nifi-nar-bundles/nifi-elasticsearch-bundle/pom.xml
View File

@ -7,12 +7,17 @@
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-nar-bundles</artifactId>
<version>0.4.1-SNAPSHOT</version>
<version>0.4.2-SNAPSHOT</version>
</parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-elasticsearch-bundle</artifactId>
<packaging>pom</packaging>
<properties>
<lucene.version>5.3.1</lucene.version>
</properties>
<modules>
<module>nifi-elasticsearch-nar</module>
<module>nifi-elasticsearch-processors</module>

6
pom.xml
View File

@ -1032,6 +1032,12 @@ language governing permissions and limitations under the License. -->
<version>0.4.2-SNAPSHOT</version>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-elasticsearch-nar</artifactId>
<version>0.4.2-SNAPSHOT</version>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-properties</artifactId>