Github user JPercivall commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1233#discussion_r88330726
--- Diff:
nifi-nar-bundles/nifi-elasticsearch-5-bundle/nifi-elasticsearch-5-processors/src/main/java/org/apache/nifi/processors/elasticsearch/AbstractElasticsearch5TransportClientProcessor.java
---
@@ -0,0 +1,289 @@
+/*
+ * 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 org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+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.apache.nifi.util.StringUtils;
+import org.elasticsearch.client.Client;
+import org.elasticsearch.client.transport.TransportClient;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.transport.InetSocketTransportAddress;
+import org.elasticsearch.transport.client.PreBuiltTransportClient;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.InetSocketAddress;
+import java.net.MalformedURLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+
+abstract class AbstractElasticsearch5TransportClientProcessor extends
AbstractElasticsearch5Processor {
+
+ /**
+ * This validator ensures the Elasticsearch hosts property is a valid
list of hostname:port entries
+ */
+ private static final Validator HOSTNAME_PORT_VALIDATOR = (subject,
input, context) -> {
+ final List<String> esList = Arrays.asList(input.split(","));
+ for (String hostnamePort : esList) {
+ String[] addresses = hostnamePort.split(":");
+ // Protect against invalid input like http://127.0.0.1:9300
(URL scheme should not be there)
+ if (addresses.length != 2) {
+ return new
ValidationResult.Builder().subject(subject).input(input).explanation(
+ "Must be in hostname:port form (no scheme such as
http://";).valid(false).build();
+ }
+ }
+ return new
ValidationResult.Builder().subject(subject).input(input).explanation(
+ "Valid cluster definition").valid(true).build();
+ };
+
+ protected static final PropertyDescriptor CLUSTER_NAME = new
PropertyDescriptor.Builder()
+ .name("el5-cluster-name")
+ .displayName("Cluster Name")
+ .description("Name of the ES cluster (for example,
elasticsearch_brew). Defaults to 'elasticsearch'")
+ .required(true)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .defaultValue("elasticsearch")
+ .build();
+
+ protected static final PropertyDescriptor HOSTS = new
PropertyDescriptor.Builder()
+ .name("el5-hosts")
+ .displayName("ElasticSearch Hosts")
+ .description("ElasticSearch Hosts, which should be comma
separated and colon for hostname/port "
+ + "host1:port,host2:port,.... For example
testcluster:9300. This processor uses the Transport Client to "
+ + "connect to hosts. The default transport client port
is 9300.")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .addValidator(HOSTNAME_PORT_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor PROP_XPACK_LOCATION = new
PropertyDescriptor.Builder()
+ .name("el5-xpack-location")
+ .displayName("X-Pack Transport Location")
+ .description("Specifies the path to the JAR(s) for the
Elasticsearch X-Pack Transport feature. At a minimum, this must be a "
--- End diff --
Slightly confusing, property is not required but description states that
"At a minimum ... " something must be set.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
