Github user JPercivall commented on a diff in the pull request:
https://github.com/apache/nifi/pull/576#discussion_r69323436
--- Diff:
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/AbstractElasticsearchHttpProcessor.java
---
@@ -0,0 +1,161 @@
+/*
+ * 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.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.RequestBody;
+import com.squareup.okhttp.Response;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.logging.ComponentLog;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.ssl.SSLContextService;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.map.ObjectMapper;
+
+import javax.net.ssl.SSLContext;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.InetSocketAddress;
+import java.net.Proxy;
+import java.net.URL;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * A base class for Elasticsearch processors that use the HTTP API
+ */
+public abstract class AbstractElasticsearchHttpProcessor extends
AbstractElasticsearchProcessor {
+
+ public static final PropertyDescriptor ES_URL = new
PropertyDescriptor.Builder()
+ .name("elasticsearch-http-url")
+ .displayName("Elasticsearch URL")
+ .description("Elasticsearch URL which will be connected to,
including scheme, host, port, path. The default port for the REST API is 9200.")
+ .required(true)
+ .addValidator(StandardValidators.URL_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor PROXY_HOST = new
PropertyDescriptor.Builder()
+ .name("elasticsearch-http-proxy-host")
+ .displayName("Proxy Host")
+ .description("The fully qualified hostname or IP address of
the proxy server")
+ .required(false)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor PROXY_PORT = new
PropertyDescriptor.Builder()
+ .name("elasticsearch-http-proxy-port")
+ .displayName("Proxy Port")
+ .description("The port of the proxy server")
+ .required(false)
+ .addValidator(StandardValidators.PORT_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor CONNECT_TIMEOUT = new
PropertyDescriptor.Builder()
+ .name("elasticsearch-http-connect-timeout")
+ .displayName("Connection Timeout")
+ .description("Max wait time for the connection to the
Elasticsearch REST API.")
+ .required(true)
+ .defaultValue("5 secs")
+ .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor RESPONSE_TIMEOUT = new
PropertyDescriptor.Builder()
+ .name("elasticsearch-http-response-timeout")
+ .displayName("Response Timeout")
+ .description("Max wait time for a response from the
Elasticsearch REST API.")
+ .required(true)
+ .defaultValue("15 secs")
+ .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
+ .build();
+
+ private final AtomicReference<OkHttpClient>
okHttpClientAtomicReference = new AtomicReference<>();
+
+ @Override
+ protected void createElasticsearchClient(ProcessContext context)
throws ProcessException {
+ okHttpClientAtomicReference.set(null);
+
+ OkHttpClient okHttpClient = new OkHttpClient();
+
+ // Add a proxy if set
+ final String proxyHost =
context.getProperty(PROXY_HOST).getValue();
+ final Integer proxyPort =
context.getProperty(PROXY_PORT).asInteger();
+ if (proxyHost != null && proxyPort != null) {
--- End diff --
May want to add a custom validator to check if one is set the other has to
be set.
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