| /* |
| * 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.karaf.decanter.appender.elasticsearch.jest; |
| |
| import java.security.KeyManagementException; |
| import java.security.KeyStoreException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.cert.CertificateException; |
| import java.security.cert.X509Certificate; |
| import java.text.SimpleDateFormat; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.Dictionary; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.TimeZone; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.net.ssl.HostnameVerifier; |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLSession; |
| |
| import org.apache.http.conn.ssl.DefaultHostnameVerifier; |
| import org.apache.http.conn.ssl.NoopHostnameVerifier; |
| import org.apache.http.conn.ssl.SSLConnectionSocketFactory; |
| import org.apache.http.ssl.SSLContextBuilder; |
| import org.apache.http.ssl.TrustStrategy; |
| |
| import org.apache.karaf.decanter.api.marshaller.Marshaller; |
| import org.apache.karaf.decanter.appender.utils.EventFilter; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.ConfigurationPolicy; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.searchbox.client.JestClient; |
| import io.searchbox.client.JestClientFactory; |
| import io.searchbox.client.JestResult; |
| import io.searchbox.client.config.HttpClientConfig; |
| import io.searchbox.client.config.HttpClientConfig.Builder; |
| import io.searchbox.core.Index; |
| |
| @Component( |
| name ="org.apache.karaf.decanter.appender.elasticsearch.jest", |
| immediate = true, |
| property=EventConstants.EVENT_TOPIC + "=decanter/collect/*" |
| ) |
| public class ElasticsearchAppender implements EventHandler { |
| |
| @Reference |
| public Marshaller marshaller; |
| |
| public static String ADDRESS_PROPERTY = "address"; |
| public static String USERNAME_PROPERTY = "username"; |
| public static String PASSWORD_PROPERTY = "password"; |
| public static String INDEX_PREFIX_PROPERTY = "index.prefix"; |
| public static String INDEX_TYPE_PROPERTY = "index.type"; |
| public static String INDEX_EVENT_TIMESTAMPED_PROPERTY = "index.event.timestamped"; |
| |
| public static String ADDRESS_DEFAULT = "http://localhost:9200"; |
| public static String USERNAME_DEFAULT = null; |
| public static String PASSWORD_DEFAULT = null; |
| public static String INDEX_PREFIX_DEFAULT = "karaf"; |
| public static String INDEX_TYPE_DEFAULT = "decanter"; |
| public static String INDEX_EVENT_TIMESTAMPED_DEFAULT = "true"; |
| |
| private Dictionary<String, Object> config; |
| |
| private JestClient client; |
| |
| private final SimpleDateFormat tsFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss,SSS'Z'"); |
| private final SimpleDateFormat indexDateFormat = new SimpleDateFormat("yyyy.MM.dd"); |
| |
| private final static Logger LOGGER = LoggerFactory.getLogger(ElasticsearchAppender.class); |
| |
| @SuppressWarnings("unchecked") |
| @Activate |
| public void activate(ComponentContext context) { |
| open(context.getProperties()); |
| } |
| |
| public void open(Dictionary<String, Object> config) { |
| this.config = config; |
| String addressesString = getValue(config, ADDRESS_PROPERTY, ADDRESS_DEFAULT); |
| Set<String> addresses = new HashSet<String>(Arrays.asList(addressesString.split(";"))); |
| String username = getValue(config, USERNAME_PROPERTY, USERNAME_DEFAULT); |
| String password = getValue(config, PASSWORD_PROPERTY, PASSWORD_DEFAULT); |
| Builder builder = new HttpClientConfig.Builder(addresses).readTimeout(10000) |
| .multiThreaded(true); |
| |
| if (addresses.size() > 1) { |
| builder = builder |
| .discoveryEnabled(true) |
| .discoveryFrequency(1l, TimeUnit.MINUTES); |
| } else { |
| builder.discoveryEnabled(false); |
| } |
| |
| for (String address : addresses) { |
| if (address.startsWith("https")) { |
| try { |
| SSLContextBuilder sslContextBuilder = new SSLContextBuilder(); |
| sslContextBuilder.loadTrustMaterial(new TrustAny()); |
| SSLContext sslContext = sslContextBuilder.build(); |
| HostnameVerifier hostnameVerifier = NoopHostnameVerifier.INSTANCE; |
| SSLConnectionSocketFactory sslSocketFactory = |
| new SSLConnectionSocketFactory(sslContext, hostnameVerifier); |
| builder.defaultSchemeForDiscoveredNodes("https").sslSocketFactory(sslSocketFactory); |
| } catch (KeyManagementException | KeyStoreException | NoSuchAlgorithmException ex) { |
| throw new RuntimeException("SSL exception when connect to ElasticSearch", ex); |
| } |
| |
| break; |
| } |
| } |
| |
| if (username != null) { |
| builder = builder.defaultCredentials(username, password); |
| } |
| JestClientFactory factory = new JestClientFactory(); |
| factory.setHttpClientConfig(builder.build()); |
| client = factory.getObject(); |
| TimeZone tz = TimeZone.getTimeZone( "UTC" ); |
| tsFormat.setTimeZone(tz); |
| indexDateFormat.setTimeZone(tz); |
| } |
| |
| private String getValue(Dictionary<String, Object> config, String key, String defaultValue) { |
| String value = (String)config.get(key); |
| return (value != null) ? value : defaultValue; |
| } |
| |
| @Deactivate |
| public void close() { |
| client.shutdownClient(); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| if (EventFilter.match(event, config)) { |
| try { |
| send(event); |
| } catch (Exception e) { |
| LOGGER.warn("Can't append into Elasticsearch", e); |
| } |
| } |
| } |
| |
| private void send(Event event) throws Exception { |
| String indexName = getIndexName(getValue(config, INDEX_PREFIX_PROPERTY, INDEX_PREFIX_DEFAULT), getDate(event)); |
| String jsonSt = marshaller.marshal(event); |
| |
| JestResult result = client.execute(new Index.Builder(jsonSt).index(indexName).type(getValue(config, INDEX_TYPE_PROPERTY, INDEX_TYPE_DEFAULT)).build()); |
| |
| if (!result.isSucceeded()) { |
| throw new IllegalStateException(result.getErrorMessage()); |
| } |
| } |
| |
| private Date getDate(Event event) { |
| Long ts = (Long)event.getProperty("timestamp"); |
| Date date = ts != null ? new Date(ts) : new Date(); |
| return date; |
| } |
| |
| private String getIndexName(String prefix, Date date) { |
| boolean indexTimestamped = Boolean.parseBoolean(getValue(config, INDEX_EVENT_TIMESTAMPED_PROPERTY, INDEX_EVENT_TIMESTAMPED_DEFAULT)); |
| if (indexTimestamped) { |
| return prefix + "-" + indexDateFormat.format(date); |
| } else { |
| return prefix; |
| } |
| } |
| |
| private class TrustAny implements TrustStrategy { |
| |
| public TrustAny() { |
| super(); |
| } |
| |
| @Override |
| public boolean isTrusted(X509Certificate[] chain, String authType) |
| throws CertificateException { |
| return true; |
| } |
| } |
| |
| private class EsHostnameVerifier implements HostnameVerifier { |
| |
| private final HostnameVerifier delegate; |
| private final String passHostname; |
| |
| public EsHostnameVerifier(String passHostname) { |
| super(); |
| this.delegate = new DefaultHostnameVerifier(); |
| this.passHostname = passHostname == null || passHostname.length() == 0 |
| ? null : passHostname; |
| } |
| |
| @Override |
| public boolean verify(String hostname, SSLSession session) { |
| return (passHostname != null && delegate.verify(passHostname, session)); |
| } |
| |
| } |
| |
| } |