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[pulsar-io] Elasticsearch sink support for Elastic 8 - switch to java…
…-client (#35) [pulsar-io] Elasticsearch sink support for Elastic 8 - switch to java-client (cherry picked from commit d781147)
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476 changes: 122 additions & 354 deletions
476
.../elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchClient.java
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84 changes: 84 additions & 0 deletions
84
...elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/BulkProcessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /** | ||
| * 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.pulsar.io.elasticsearch.client; | ||
|
|
||
| import lombok.Builder; | ||
| import lombok.Getter; | ||
|
|
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| import java.io.Closeable; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
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| /** | ||
| * Processor for "bulk" call to the Elastic REST Endpoint. | ||
| */ | ||
| public interface BulkProcessor extends Closeable { | ||
|
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| @Builder | ||
| @Getter | ||
| class BulkOperationRequest { | ||
| private long operationId; | ||
| } | ||
|
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| @Builder | ||
| @Getter | ||
| class BulkOperationResult { | ||
| private String error; | ||
| private String index; | ||
| private String documentId; | ||
| public boolean isError() { | ||
| return error != null; | ||
| } | ||
| } | ||
|
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| interface Listener { | ||
|
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| void afterBulk(long executionId, List<BulkOperationRequest> bulkOperationList, List<BulkOperationResult> results); | ||
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| void afterBulk(long executionId, List<BulkOperationRequest> bulkOperationList, Throwable throwable); | ||
| } | ||
|
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| @Builder | ||
| @Getter | ||
| class BulkIndexRequest { | ||
| private long requestId; | ||
| private String index; | ||
| private String documentId; | ||
| private String documentSource; | ||
| } | ||
|
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| @Builder | ||
| @Getter | ||
| class BulkDeleteRequest { | ||
| private long requestId; | ||
| private String index; | ||
| private String documentId; | ||
| } | ||
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| void appendIndexRequest(BulkIndexRequest request) throws IOException; | ||
|
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| void appendDeleteRequest(BulkDeleteRequest request) throws IOException; | ||
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| void flush(); | ||
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| void awaitClose(long timeout, TimeUnit unit) throws InterruptedException; | ||
|
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| } |
193 changes: 193 additions & 0 deletions
193
...io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/RestClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| /** | ||
| * 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.pulsar.io.elasticsearch.client; | ||
|
|
||
| import com.google.common.base.Strings; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.http.auth.AuthScope; | ||
| import org.apache.http.auth.UsernamePasswordCredentials; | ||
| import org.apache.http.client.CredentialsProvider; | ||
| import org.apache.http.config.Registry; | ||
| import org.apache.http.config.RegistryBuilder; | ||
| import org.apache.http.conn.ssl.NoopHostnameVerifier; | ||
| import org.apache.http.conn.ssl.SSLConnectionSocketFactory; | ||
| import org.apache.http.impl.client.BasicCredentialsProvider; | ||
| import org.apache.http.impl.nio.client.HttpAsyncClientBuilder; | ||
| import org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager; | ||
| import org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor; | ||
| import org.apache.http.impl.nio.reactor.IOReactorConfig; | ||
| import org.apache.http.nio.conn.NHttpClientConnectionManager; | ||
| import org.apache.http.nio.conn.NoopIOSessionStrategy; | ||
| import org.apache.http.nio.conn.SchemeIOSessionStrategy; | ||
| import org.apache.http.nio.conn.ssl.SSLIOSessionStrategy; | ||
| import org.apache.http.nio.reactor.ConnectingIOReactor; | ||
| import org.apache.http.ssl.SSLContextBuilder; | ||
| import org.apache.http.ssl.SSLContexts; | ||
| import org.apache.pulsar.io.elasticsearch.ElasticSearchConfig; | ||
| import org.apache.pulsar.io.elasticsearch.ElasticSearchConnectionException; | ||
| import org.apache.pulsar.io.elasticsearch.ElasticSearchSslConfig; | ||
| import org.apache.pulsar.io.elasticsearch.RandomExponentialRetry; | ||
| import org.elasticsearch.client.RestClientBuilder; | ||
|
|
||
| import javax.net.ssl.HostnameVerifier; | ||
| import javax.net.ssl.SSLContext; | ||
| import java.io.Closeable; | ||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.net.MalformedURLException; | ||
| import java.security.KeyManagementException; | ||
| import java.security.KeyStoreException; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import java.security.UnrecoverableKeyException; | ||
| import java.security.cert.CertificateException; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.ScheduledExecutorService; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| public abstract class RestClient implements Closeable { | ||
|
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| protected final ElasticSearchConfig config; | ||
| protected final ConfigCallback configCallback; | ||
| private final ScheduledExecutorService executorService; | ||
|
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| public RestClient(ElasticSearchConfig elasticSearchConfig, BulkProcessor.Listener bulkProcessorListener) throws MalformedURLException { | ||
| this.config = elasticSearchConfig; | ||
| this.configCallback = new ConfigCallback(); | ||
|
|
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| // idle+expired connection evictor thread | ||
| this.executorService = Executors.newSingleThreadScheduledExecutor(); | ||
| this.executorService.scheduleAtFixedRate(() -> { | ||
| configCallback.connectionManager.closeExpiredConnections(); | ||
| configCallback.connectionManager.closeIdleConnections( | ||
| config.getConnectionIdleTimeoutInMs(), TimeUnit.MILLISECONDS); | ||
| }, | ||
| config.getConnectionIdleTimeoutInMs(), | ||
| config.getConnectionIdleTimeoutInMs(), | ||
| TimeUnit.MILLISECONDS | ||
| ); | ||
| } | ||
|
|
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| public abstract boolean indexExists(String index) throws IOException; | ||
| public abstract boolean createIndex(String index) throws IOException; | ||
| public abstract boolean deleteIndex(String index) throws IOException; | ||
|
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| public abstract boolean indexDocument(String index, String documentId, String documentSource) throws IOException; | ||
| public abstract boolean deleteDocument(String index, String documentId) throws IOException; | ||
|
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| public abstract long totalHits(String index) throws IOException; | ||
|
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| public abstract BulkProcessor getBulkProcessor(); | ||
|
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| public class ConfigCallback implements RestClientBuilder.HttpClientConfigCallback, | ||
| org.opensearch.client.RestClientBuilder.HttpClientConfigCallback { | ||
| final NHttpClientConnectionManager connectionManager; | ||
| final CredentialsProvider credentialsProvider; | ||
|
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| public ConfigCallback() { | ||
| this.connectionManager = buildConnectionManager(RestClient.this.config); | ||
| this.credentialsProvider = buildCredentialsProvider(RestClient.this.config); | ||
| } | ||
|
|
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| @Override | ||
| public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder builder) { | ||
| builder.setMaxConnPerRoute(config.getBulkConcurrentRequests()); | ||
| builder.setMaxConnTotal(config.getBulkConcurrentRequests()); | ||
| builder.setConnectionManager(connectionManager); | ||
|
|
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| if (this.credentialsProvider != null) { | ||
| builder.setDefaultCredentialsProvider(credentialsProvider); | ||
| } | ||
| return builder; | ||
| } | ||
|
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| public NHttpClientConnectionManager buildConnectionManager(ElasticSearchConfig config) { | ||
| try { | ||
| IOReactorConfig ioReactorConfig = IOReactorConfig.custom() | ||
| .setConnectTimeout(config.getConnectTimeoutInMs()) | ||
| .setSoTimeout(config.getSocketTimeoutInMs()) | ||
| .build(); | ||
| ConnectingIOReactor ioReactor = new DefaultConnectingIOReactor(ioReactorConfig); | ||
| PoolingNHttpClientConnectionManager connManager; | ||
| if (config.getSsl().isEnabled()) { | ||
| ElasticSearchSslConfig sslConfig = config.getSsl(); | ||
| HostnameVerifier hostnameVerifier = config.getSsl().isHostnameVerification() | ||
| ? SSLConnectionSocketFactory.getDefaultHostnameVerifier() | ||
| : new NoopHostnameVerifier(); | ||
| String[] cipherSuites = null; | ||
| if (!Strings.isNullOrEmpty(sslConfig.getCipherSuites())) { | ||
| cipherSuites = sslConfig.getCipherSuites().split(","); | ||
| } | ||
| String[] protocols = null; | ||
| if (!Strings.isNullOrEmpty(sslConfig.getProtocols())) { | ||
| protocols = sslConfig.getProtocols().split(","); | ||
| } | ||
| Registry<SchemeIOSessionStrategy> registry = RegistryBuilder.<SchemeIOSessionStrategy>create() | ||
| .register("http", NoopIOSessionStrategy.INSTANCE) | ||
| .register("https", new SSLIOSessionStrategy( | ||
| buildSslContext(config), | ||
| protocols, | ||
| cipherSuites, | ||
| hostnameVerifier)) | ||
| .build(); | ||
| connManager = new PoolingNHttpClientConnectionManager(ioReactor, registry); | ||
| } else { | ||
| connManager = new PoolingNHttpClientConnectionManager(ioReactor); | ||
| } | ||
| return connManager; | ||
| } catch(Exception e) { | ||
| throw new ElasticSearchConnectionException(e); | ||
| } | ||
| } | ||
|
|
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| private SSLContext buildSslContext(ElasticSearchConfig config) throws NoSuchAlgorithmException, KeyManagementException, CertificateException, KeyStoreException, IOException, UnrecoverableKeyException { | ||
| ElasticSearchSslConfig sslConfig = config.getSsl(); | ||
| SSLContextBuilder sslContextBuilder = SSLContexts.custom(); | ||
| if (!Strings.isNullOrEmpty(sslConfig.getProvider())) { | ||
| sslContextBuilder.setProvider(sslConfig.getProvider()); | ||
| } | ||
| if (!Strings.isNullOrEmpty(sslConfig.getProtocols())) { | ||
| sslContextBuilder.setProtocol(sslConfig.getProtocols()); | ||
| } | ||
| if (!Strings.isNullOrEmpty(sslConfig.getTruststorePath()) && !Strings.isNullOrEmpty(sslConfig.getTruststorePassword())) { | ||
| sslContextBuilder.loadTrustMaterial(new File(sslConfig.getTruststorePath()), sslConfig.getTruststorePassword().toCharArray()); | ||
| } | ||
| if (!Strings.isNullOrEmpty(sslConfig.getKeystorePath()) && !Strings.isNullOrEmpty(sslConfig.getKeystorePassword())) { | ||
| sslContextBuilder.loadKeyMaterial(new File(sslConfig.getKeystorePath()), | ||
| sslConfig.getKeystorePassword().toCharArray(), | ||
| sslConfig.getKeystorePassword().toCharArray()); | ||
| } | ||
| return sslContextBuilder.build(); | ||
| } | ||
|
|
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| private CredentialsProvider buildCredentialsProvider(ElasticSearchConfig config) { | ||
| if (StringUtils.isEmpty(config.getUsername()) || StringUtils.isEmpty(config.getPassword())) { | ||
| return null; | ||
| } | ||
| CredentialsProvider credentialsProvider = new BasicCredentialsProvider(); | ||
| credentialsProvider.setCredentials(AuthScope.ANY, | ||
| new UsernamePasswordCredentials(config.getUsername(), config.getPassword())); | ||
| return credentialsProvider; | ||
| } | ||
| } | ||
|
|
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| @Override | ||
| public void close() { | ||
| executorService.shutdown(); | ||
| } | ||
| } |
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