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From ceste...@apache.org
Subject svn commit: r20299 [12/18] - in /release/metron/0.4.0: ./ site-book/ site-book/css/ site-book/images/ site-book/images/logos/ site-book/images/profiles/ site-book/img/ site-book/js/ site-book/metron-analytics/ site-book/metron-analytics/metron-maas-ser...
Date Wed, 05 Jul 2017 06:56:42 GMT
Added: release/metron/0.4.0/site-book/metron-platform/index.html
==============================================================================
--- release/metron/0.4.0/site-book/metron-platform/index.html (added)
+++ release/metron/0.4.0/site-book/metron-platform/index.html Wed Jul  5 06:56:42 2017
@@ -0,0 +1,268 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia at 2017-06-27
+ | Rendered using Apache Maven Fluido Skin 1.3.0
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="Date-Revision-yyyymmdd" content="20170627" />
+    <meta http-equiv="Content-Language" content="en" />
+    <title>Metron &#x2013; Current Build</title>
+    <link rel="stylesheet" href="../css/apache-maven-fluido-1.3.0.min.css" />
+    <link rel="stylesheet" href="../css/site.css" />
+    <link rel="stylesheet" href="../css/print.css" media="print" />
+
+      
+    <script type="text/javascript" src="../js/apache-maven-fluido-1.3.0.min.js"></script>
+
+                          
+        
+<script type="text/javascript">$( document ).ready( function() { $( '.carousel' ).carousel(
{ interval: 3500 } ) } );</script>
+          
+            </head>
+        <body class="topBarDisabled">
+          
+                
+                    
+    
+        <div class="container-fluid">
+          <div id="banner">
+        <div class="pull-left">
+                                    <a href="http://metron.apache.org/" id="bannerLeft">
+                                                                                        
       <img src="../images/metron-logo.png"  alt="Apache Metron" width="148px" height="48px"/>
+                </a>
+                      </div>
+        <div class="pull-right">  </div>
+        <div class="clear"><hr/></div>
+      </div>
+
+      <div id="breadcrumbs">
+        <ul class="breadcrumb">
+                
+                    
+                              <li class="">
+                    <a href="http://www.apache.org" class="externalLink" title="Apache">
+        Apache</a>
+        </li>
+      <li class="divider ">/</li>
+            <li class="">
+                    <a href="http://metron.apache.org/" class="externalLink" title="Metron">
+        Metron</a>
+        </li>
+      <li class="divider ">/</li>
+            <li class="">
+                    <a href="../index.html" title="Documentation">
+        Documentation</a>
+        </li>
+      <li class="divider ">/</li>
+        <li class="">Current Build</li>
+        
+                
+                    
+                  <li id="publishDate" class="pull-right">Last Published: 2017-06-27</li>
<li class="divider pull-right">|</li>
+              <li id="projectVersion" class="pull-right">Version: 0.4.0</li>
+            
+                            </ul>
+      </div>
+
+            
+      <div class="row-fluid">
+        <div id="leftColumn" class="span3">
+          <div class="well sidebar-nav">
+                
+                    
+                <ul class="nav nav-list">
+                    <li class="nav-header">User Documentation</li>
+                                                                                        
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                 
+      <li>
+    
+                          <a href="../index.html" title="Metron">
+          <i class="icon-chevron-down"></i>
+        Metron</a>
+                    <ul class="nav nav-list">
+                      
+      <li>
+    
+                          <a href="../Upgrading.html" title="Upgrading">
+          <i class="none"></i>
+        Upgrading</a>
+            </li>
+                                                                                        
                                                             
+      <li>
+    
+                          <a href="../metron-analytics/index.html" title="Analytics">
+          <i class="icon-chevron-right"></i>
+        Analytics</a>
+                  </li>
+                                                                                        
                                                                                         
                                                                                         
                                                                                         
             
+      <li>
+    
+                          <a href="../metron-deployment/index.html" title="Deployment">
+          <i class="icon-chevron-right"></i>
+        Deployment</a>
+                  </li>
+                      
+      <li>
+    
+                          <a href="../metron-docker/index.html" title="Docker">
+          <i class="none"></i>
+        Docker</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-interface/metron-config/index.html" title="Config">
+          <i class="none"></i>
+        Config</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-interface/metron-rest/index.html" title="Rest">
+          <i class="none"></i>
+        Rest</a>
+            </li>
+                                                                                        
                                                                                         
                                                                 
+      <li class="active">
+    
+            <a href="#"><i class="icon-chevron-down"></i>Platform</a>
+                  <ul class="nav nav-list">
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-api/index.html" title="Api">
+          <i class="none"></i>
+        Api</a>
+            </li>
+                                                                        
+      <li>
+    
+                          <a href="../metron-platform/metron-common/index.html" title="Common">
+          <i class="icon-chevron-right"></i>
+        Common</a>
+                  </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-data-management/index.html"
title="Data-management">
+          <i class="none"></i>
+        Data-management</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-enrichment/index.html" title="Enrichment">
+          <i class="none"></i>
+        Enrichment</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-indexing/index.html" title="Indexing">
+          <i class="none"></i>
+        Indexing</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-management/index.html" title="Management">
+          <i class="none"></i>
+        Management</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-parsers/index.html" title="Parsers">
+          <i class="none"></i>
+        Parsers</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-pcap-backend/index.html"
title="Pcap-backend">
+          <i class="none"></i>
+        Pcap-backend</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../metron-platform/metron-writer/index.html" title="Writer">
+          <i class="none"></i>
+        Writer</a>
+            </li>
+              </ul>
+        </li>
+                                                                                        
                   
+      <li>
+    
+                          <a href="../metron-sensors/index.html" title="Sensors">
+          <i class="icon-chevron-right"></i>
+        Sensors</a>
+                  </li>
+              </ul>
+        </li>
+            </ul>
+                
+                    
+                
+          <hr class="divider" />
+
+           <div id="poweredBy">
+                            <div class="clear"></div>
+                            <div class="clear"></div>
+                            <div class="clear"></div>
+                             <a href="http://maven.apache.org/" title="Built by Maven"
class="poweredBy">
+        <img class="builtBy" alt="Built by Maven" src="../images/logos/maven-feather.png"
/>
+      </a>
+                  </div>
+          </div>
+        </div>
+        
+                
+        <div id="bodyColumn"  class="span9" >
+                                  
+            <!-- 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. --><h1>Current Build</h1>
+<p><a name="Current_Build"></a></p>
+<p>The latest build of metron-platform is 0.4.0.</p>
+<p>We are still in the process of merging/porting additional features from our production
code base into this open source release. This release will be followed by a number of additional
beta releases until the port is complete. We will also work on getting additional documentation
and user/developer guides to the community as soon as we can. At this time we offer no support
for the beta software, but will try to respond to requests as promptly as we can.</p>
+<p><a name="metron-platform"></a></p>
+<h1>metron-platform</h1>
+<p>Extensible set of Storm topologies and topology attributes for streaming, enriching,
indexing, and storing telemetry in Hadoop. General information on Metron is available at <a
class="externalLink" href="https://metron.apache.org/">https://metron.apache.org/</a></p>
+<p><a name="Documentation"></a></p>
+<h1>Documentation</h1>
+<p>Please see documentation within each individual module for description and usage
instructions. Sample topologies are provided under Metron_Topologies to get you started with
the framework. We pre-assume knowledge of Hadoop, Storm, Kafka, and HBase.</p>
+                  </div>
+            </div>
+          </div>
+
+    <hr/>
+
+    <footer>
+            <div class="container-fluid">
+              <div class="row span12">Copyright &copy;                    2017
+                        <a href="https://www.apache.org">The Apache Software Foundation</a>.
+            All Rights Reserved.      
+                    
+      </div>
+
+                          
+        
+                </div>
+    </footer>
+  </body>
+</html>

Added: release/metron/0.4.0/site-book/metron-platform/metron-api/index.html
==============================================================================
--- release/metron/0.4.0/site-book/metron-platform/metron-api/index.html (added)
+++ release/metron/0.4.0/site-book/metron-platform/metron-api/index.html Wed Jul  5 06:56:42
2017
@@ -0,0 +1,304 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia at 2017-06-27
+ | Rendered using Apache Maven Fluido Skin 1.3.0
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="Date-Revision-yyyymmdd" content="20170627" />
+    <meta http-equiv="Content-Language" content="en" />
+    <title>Metron &#x2013; Metron PCAP Service</title>
+    <link rel="stylesheet" href="../../css/apache-maven-fluido-1.3.0.min.css" />
+    <link rel="stylesheet" href="../../css/site.css" />
+    <link rel="stylesheet" href="../../css/print.css" media="print" />
+
+      
+    <script type="text/javascript" src="../../js/apache-maven-fluido-1.3.0.min.js"></script>
+
+                          
+        
+<script type="text/javascript">$( document ).ready( function() { $( '.carousel' ).carousel(
{ interval: 3500 } ) } );</script>
+          
+            </head>
+        <body class="topBarDisabled">
+          
+                
+                    
+    
+        <div class="container-fluid">
+          <div id="banner">
+        <div class="pull-left">
+                                    <a href="http://metron.apache.org/" id="bannerLeft">
+                                                                                        
       <img src="../../images/metron-logo.png"  alt="Apache Metron" width="148px" height="48px"/>
+                </a>
+                      </div>
+        <div class="pull-right">  </div>
+        <div class="clear"><hr/></div>
+      </div>
+
+      <div id="breadcrumbs">
+        <ul class="breadcrumb">
+                
+                    
+                              <li class="">
+                    <a href="http://www.apache.org" class="externalLink" title="Apache">
+        Apache</a>
+        </li>
+      <li class="divider ">/</li>
+            <li class="">
+                    <a href="http://metron.apache.org/" class="externalLink" title="Metron">
+        Metron</a>
+        </li>
+      <li class="divider ">/</li>
+            <li class="">
+                    <a href="../../index.html" title="Documentation">
+        Documentation</a>
+        </li>
+      <li class="divider ">/</li>
+        <li class="">Metron PCAP Service</li>
+        
+                
+                    
+                  <li id="publishDate" class="pull-right">Last Published: 2017-06-27</li>
<li class="divider pull-right">|</li>
+              <li id="projectVersion" class="pull-right">Version: 0.4.0</li>
+            
+                            </ul>
+      </div>
+
+            
+      <div class="row-fluid">
+        <div id="leftColumn" class="span3">
+          <div class="well sidebar-nav">
+                
+                    
+                <ul class="nav nav-list">
+                    <li class="nav-header">User Documentation</li>
+                                                                                        
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                         
                                                                                 
+      <li>
+    
+                          <a href="../../index.html" title="Metron">
+          <i class="icon-chevron-down"></i>
+        Metron</a>
+                    <ul class="nav nav-list">
+                      
+      <li>
+    
+                          <a href="../../Upgrading.html" title="Upgrading">
+          <i class="none"></i>
+        Upgrading</a>
+            </li>
+                                                                                        
                                                             
+      <li>
+    
+                          <a href="../../metron-analytics/index.html" title="Analytics">
+          <i class="icon-chevron-right"></i>
+        Analytics</a>
+                  </li>
+                                                                                        
                                                                                         
                                                                                         
                                                                                         
             
+      <li>
+    
+                          <a href="../../metron-deployment/index.html" title="Deployment">
+          <i class="icon-chevron-right"></i>
+        Deployment</a>
+                  </li>
+                      
+      <li>
+    
+                          <a href="../../metron-docker/index.html" title="Docker">
+          <i class="none"></i>
+        Docker</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-interface/metron-config/index.html" title="Config">
+          <i class="none"></i>
+        Config</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-interface/metron-rest/index.html" title="Rest">
+          <i class="none"></i>
+        Rest</a>
+            </li>
+                                                                                        
                                                                                         
                                                                       
+      <li>
+    
+                          <a href="../../metron-platform/index.html" title="Platform">
+          <i class="icon-chevron-down"></i>
+        Platform</a>
+                    <ul class="nav nav-list">
+                      
+      <li class="active">
+    
+            <a href="#"><i class="none"></i>Api</a>
+          </li>
+                                                                        
+      <li>
+    
+                          <a href="../../metron-platform/metron-common/index.html" title="Common">
+          <i class="icon-chevron-right"></i>
+        Common</a>
+                  </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-data-management/index.html"
title="Data-management">
+          <i class="none"></i>
+        Data-management</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-enrichment/index.html"
title="Enrichment">
+          <i class="none"></i>
+        Enrichment</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-indexing/index.html" title="Indexing">
+          <i class="none"></i>
+        Indexing</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-management/index.html"
title="Management">
+          <i class="none"></i>
+        Management</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-parsers/index.html" title="Parsers">
+          <i class="none"></i>
+        Parsers</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-pcap-backend/index.html"
title="Pcap-backend">
+          <i class="none"></i>
+        Pcap-backend</a>
+            </li>
+                      
+      <li>
+    
+                          <a href="../../metron-platform/metron-writer/index.html" title="Writer">
+          <i class="none"></i>
+        Writer</a>
+            </li>
+              </ul>
+        </li>
+                                                                                        
                   
+      <li>
+    
+                          <a href="../../metron-sensors/index.html" title="Sensors">
+          <i class="icon-chevron-right"></i>
+        Sensors</a>
+                  </li>
+              </ul>
+        </li>
+            </ul>
+                
+                    
+                
+          <hr class="divider" />
+
+           <div id="poweredBy">
+                            <div class="clear"></div>
+                            <div class="clear"></div>
+                            <div class="clear"></div>
+                             <a href="http://maven.apache.org/" title="Built by Maven"
class="poweredBy">
+        <img class="builtBy" alt="Built by Maven" src="../../images/logos/maven-feather.png"
/>
+      </a>
+                  </div>
+          </div>
+        </div>
+        
+                
+        <div id="bodyColumn"  class="span9" >
+                                  
+            <h1>Metron PCAP Service</h1>
+<p><a name="Metron_PCAP_Service"></a></p>
+<p>The purpose of the Metron PCAP service is to provide a middle tier to negotiate
retrieving packet capture data which flows into Metron. This packet data is of a form which
<tt>libpcap</tt> based tools can read.</p>
+<div class="section">
+<h2><a name="Starting_the_Service"></a>Starting the Service</h2>
+<p>You can start the service either via the init.d script installed, <tt>/etc/init.d/pcapservice</tt>
or directly via the <tt>yarn jar</tt> command: <tt>yarn jar $METRON_HOME/lib/metron-api-$METRON_VERSION.jar
org.apache.metron.pcapservice.rest.PcapService -port $SERVICE_PORT -query_hdfs_path $QUERY_PATH
-pcap_hdfs_path $PCAP_PATH</tt></p>
+<p>where</p>
+
+<ul>
+  
+<li><tt>METRON_HOME</tt> is the location of the metron installation</li>
+  
+<li><tt>METRON_VERSION</tt> is the version of the metron installation</li>
+  
+<li><tt>SERVICE_PORT</tt> is the port to bind the REST service to.</li>
+  
+<li><tt>QUERY_PATH</tt> is the temporary location to store query results.
They are deleted after the service reads them.</li>
+  
+<li><tt>PCAP_PATH</tt> is the path to the packet data on HDFS</li>
+</ul></div>
+<div class="section">
+<h2><a name="The_pcapGettergetPcapsByIdentifiers_endpoint"></a>The <tt>/pcapGetter/getPcapsByIdentifiers</tt>
endpoint</h2>
+<p>This endpoint takes the following query parameters and returns the subset of packets
matching this query:</p>
+
+<ul>
+  
+<li><tt>srcIp</tt> : The source IP to match on</li>
+  
+<li><tt>srcPort</tt> : The source port to match on</li>
+  
+<li><tt>dstIp</tt> : The destination IP to match on</li>
+  
+<li><tt>dstPort</tt> : The destination port to match on</li>
+  
+<li><tt>startTime</tt> : The start time in milliseconds</li>
+  
+<li><tt>endTime</tt> : The end time in milliseconds</li>
+  
+<li><tt>numReducers</tt> : Specify the number of reducers to use when executing
the mapreduce job</li>
+  
+<li><tt>includeReverseTraffic</tt> : Indicates if filter should check swapped
src/dest addresses and IPs</li>
+</ul></div>
+<div class="section">
+<h2><a name="The_pcapGettergetPcapsByQuery_endpoint"></a>The <tt>/pcapGetter/getPcapsByQuery</tt>
endpoint</h2>
+<p>This endpoint takes the following query parameters and returns the subset of packets
matching this query. This endpoint exposes Stellar querying capabilities:</p>
+
+<ul>
+  
+<li><tt>query</tt> : The Stellar query to execute</li>
+  
+<li><tt>startTime</tt> : The start time in milliseconds</li>
+  
+<li><tt>endTime</tt> : The end time in milliseconds</li>
+  
+<li><tt>numReducers</tt> : Specify the number of reducers to use when executing
the mapreduce job</li>
+</ul>
+<p>Example: <tt>curl -XGET &quot;http://node1:8081/pcapGetter/getPcapsByQuery?query=ip_src_addr+==+'192.168.66.121'+and+ip_src_port+==+'60500'&amp;startTime=1476936000000&quot;</tt></p>
+<p>All of these parameters are optional. In the case of a missing parameter, it is
treated as a wildcard.</p>
+<p>Unlike the CLI tool, there is no paging mechanism. The REST API will stream back
data as a single file.</p></div>
+                  </div>
+            </div>
+          </div>
+
+    <hr/>
+
+    <footer>
+            <div class="container-fluid">
+              <div class="row span12">Copyright &copy;                    2017
+                        <a href="https://www.apache.org">The Apache Software Foundation</a>.
+            All Rights Reserved.      
+                    
+      </div>
+
+                          
+        
+                </div>
+    </footer>
+  </body>
+</html>

Added: release/metron/0.4.0/site-book/metron-platform/metron-common/3rdPartyStellar.html
==============================================================================
--- release/metron/0.4.0/site-book/metron-platform/metron-common/3rdPartyStellar.html (added)
+++ release/metron/0.4.0/site-book/metron-platform/metron-common/3rdPartyStellar.html Wed
Jul  5 06:56:42 2017
@@ -0,0 +1,398 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia at 2017-06-27
+ | Rendered using Apache Maven Fluido Skin 1.3.0
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="Date-Revision-yyyymmdd" content="20170627" />
+    <meta http-equiv="Content-Language" content="en" />
+    <title>Metron &#x2013; Custom Stellar Functions</title>
+    <link rel="stylesheet" href="../../css/apache-maven-fluido-1.3.0.min.css" />
+    <link rel="stylesheet" href="../../css/site.css" />
+    <link rel="stylesheet" href="../../css/print.css" media="print" />
+
+      
+    <script type="text/javascript" src="../../js/apache-maven-fluido-1.3.0.min.js"></script>
+
+                          
+        
+<script type="text/javascript">$( document ).ready( function() { $( '.carousel' ).carousel(
{ interval: 3500 } ) } );</script>
+          
+            </head>
+        <body class="topBarDisabled">
+          
+                
+                    
+    
+        <div class="container-fluid">
+          <div id="banner">
+        <div class="pull-left">
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+        <div id="bodyColumn"  class="span9" >
+                                  
+            <h1>Custom Stellar Functions</h1>
+<p><a name="Custom_Stellar_Functions"></a></p>
+<p>Metron is fundamentally a programmable, extensible system and Stellar is the extension
language. We have some great Stellar functions available out of the box and we&#x2019;ll
be adding more over time, but they may not quite scratch quite your particular itch. </p>
+<p>Of course, we&#x2019;d love to have your contribution inside of Metron if you
think it general purpose enough, but not every function is general-purpose or it may rely
on libraries those licenses aren&#x2019;t acceptable for an Apache project. In that case,
then you will be wondering how to add your custom function to a running instance of Metron.</p>
+<div class="section">
+<h2><a name="Building_Your_Own_Function"></a>Building Your Own Function</h2>
+<p>Let&#x2019;s say that I need a function that returns the current time in milliseconds
since the epoch. I notice that there&#x2019;s nothing like that currently in Metron, so
I embark on the adventure of adding it for my cluster.</p>
+<p>I will presume that you have an installed Metron into your local maven repo via
<tt>mvn install</tt> . In the future, when we publish to a maven repo, you will
not need this. I will depend on 0.4.0 for the purpose of this demonstration</p>
+<div class="section">
+<h3><a name="Hack_Hack_Hack"></a>Hack, Hack, Hack</h3>
+<p>I like to use Maven, so we&#x2019;ll use that for this demonstration, but you
can use whatever build system that you like. Here&#x2019;s my favorite way to build a
project with groupId <tt>com.mycompany.stellar</tt> and artifactId of <tt>tempus</tt>
<tt>mvn archetype:create -DgroupId=com.mycompany.stellar -DartifactId=tempus -DarchetypeArtifactId=maven-archetype-quickstart</tt></p>
+<p>First, we should depend on <tt>metron-common</tt> and we can do that
by adjusting the <tt>pom.xml</tt> just created:</p>
+
+<div class="source">
+<div class="source">
+<pre>&lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot; xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
+         xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd&quot;&gt;
+  &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
+  
+  &lt;groupId&gt;com.mycompany.stellar&lt;/groupId&gt;
+  &lt;artifactId&gt;tempus&lt;/artifactId&gt;
+  &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;
+  &lt;packaging&gt;jar&lt;/packaging&gt;
+  
+  &lt;name&gt;Stellar Time Functions&lt;/name&gt;
+  &lt;url&gt;http://mycompany.com&lt;/url&gt;
+  
+  &lt;properties&gt;
+    &lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt;
+  &lt;/properties&gt;
+  
+  &lt;dependencies&gt;
+    &lt;dependency&gt;
+      &lt;groupId&gt;org.apache.metron&lt;/groupId&gt;
+      &lt;artifactId&gt;metron-common&lt;/artifactId&gt;
+      &lt;version&gt;0.4.0&lt;/version&gt;
+      &lt;!-- NOTE: We will want to depend on the deployed common on the classpath. --&gt;
+      &lt;scope&gt;provided&lt;/scope&gt;
+    &lt;/dependency&gt;
+    &lt;dependency&gt;
+       &lt;groupId&gt;junit&lt;/groupId&gt;
+       &lt;artifactId&gt;junit&lt;/artifactId&gt;
+       &lt;version&gt;3.8.1&lt;/version&gt;
+      &lt;scope&gt;test&lt;/scope&gt;
+    &lt;/dependency&gt;
+  &lt;/dependencies&gt;
+&lt;/project&gt;
+</pre></div></div>
+<p>Let&#x2019;s add our implementation in <tt>src/main/java/com/mycompany/stellar/TimeFunctions.java</tt>
with the following content:</p>
+
+<div class="source">
+<div class="source">
+<pre>package com.notmetron.stellar;
+    
+import org.apache.metron.common.dsl.Context;
+import org.apache.metron.common.dsl.ParseException;
+import org.apache.metron.common.dsl.Stellar;
+import org.apache.metron.common.dsl.StellarFunction;
+    
+import java.util.List;
+    
+public class TimeFunction {
+  @Stellar( name=&quot;NOW&quot;,
+            description = &quot;Right now!&quot;,
+            params = {},
+            returns=&quot;Timestamp&quot;
+          )
+  public static class Now implements StellarFunction {
+    
+    public Object apply(List&lt;Object&gt; list, Context context) throws ParseException
{
+      return System.currentTimeMillis();
+    }
+    
+    public void initialize(Context context) { }
+    
+    public boolean isInitialized() {
+      return true;
+    }
+  }
+}
+</pre></div></div>
+<p>Now we can build the project via <tt>mvn package</tt> which will create
a <tt>target/tempus-1.0-SNAPSHOT.jar</tt> file.</p></div></div>
+<div class="section">
+<h2><a name="Install_the_Function"></a>Install the Function</h2>
+<p>Now that we have a jar with our custom function, we must make Metron aware of it.</p>
+<div class="section">
+<h3><a name="Deploy_the_Jar"></a>Deploy the Jar</h3>
+<p>First you need to place the jar in HDFS, if we have it on an access node, one way
to do that is:</p>
+
+<ul>
+  
+<li><tt>hadoop fs -put tempus-1.0-SNAPSHOT.jar /apps/metron/stellar</tt>
This presumes that:</li>
+  
+<li>you&#x2019;ve standardized on <tt>/apps/metron/stellar</tt> as
the location for custom jars</li>
+  
+<li>you are running the command from an access node with the <tt>hadoop</tt>
command installed</li>
+  
+<li>you are running from a user that has write access to <tt>/apps/metron/stellar</tt></li>
+</ul></div>
+<div class="section">
+<h3><a name="Set_Global_Config"></a>Set Global Config</h3>
+<p>You may not need this if your Metron administrator already has this setup.</p>
+<p>With that dispensed with, we need to ensure that Metron knows to look at that location.
We need to ensure that the <tt>stellar.function.paths</tt> property in the <tt>global.json</tt>
is in place that makes Metron aware to look for Stellar functions in <tt>/apps/metron/stellar</tt>
on HDFS. </p>
+<p>This property looks like, the following for a vagrant install</p>
+
+<div class="source">
+<div class="source">
+<pre>{
+  &quot;es.clustername&quot;: &quot;metron&quot;,
+  &quot;es.ip&quot;: &quot;node1&quot;,
+  &quot;es.port&quot;: &quot;9300&quot;,
+  &quot;es.date.format&quot;: &quot;yyyy.MM.dd.HH&quot;,
+  &quot;stellar.function.paths&quot; : &quot;hdfs://node1:8020/apps/metron/stellar/.*.jar&quot;,
+}
+</pre></div></div>
+<p>The <tt>stellar.function.paths</tt> property takes a comma separated
list of URIs or URIs with regex expressions at the end. Also, note path is prefaced by the
HDFS default name, which, if you do not know, can be found by executing, <tt>hdfs getconf
-confKey fs.default.name</tt>, such as</p>
+
+<div class="source">
+<div class="source">
+<pre>[root@node1 ~]# hdfs getconf -confKey fs.default.name
+hdfs://node1:8020
+</pre></div></div></div>
+<div class="section">
+<h3><a name="Use_the_Function"></a>Use the Function</h3>
+<p>Now that we have deployed the function, if we want to use it, any running topologies
that use Stellar will need to be restarted.</p>
+<p>Beyond that, let&#x2019;s take a look at it in the REPL:</p>
+
+<div class="source">
+<div class="source">
+<pre>Stellar, Go!
+Please note that functions are loading lazily in the background and will be unavailable until
loaded fully.
+{es.clustername=metron, es.ip=node1, es.port=9300, es.date.format=yyyy.MM.dd.HH, stellar.function.paths=hdfs://node1:8020/apps/metron/stellar/.*.jar,
profiler.client.period.duration=1, profiler.client.period.duration.units=MINUTES}
+[Stellar]&gt;&gt;&gt; # Get the help for NOW
+[Stellar]&gt;&gt;&gt; ?NOW
+Functions loaded, you may refer to functions now...
+NOW
+Description: Right now!
+     
+Returns: Timestamp
+[Stellar]&gt;&gt;&gt; # Try to run the NOW function, which we added:
+[Stellar]&gt;&gt;&gt; NOW()
+1488400515655
+[Stellar]&gt;&gt;&gt; # Looks like I got a timestamp, success!
+</pre></div></div></div></div>
+                  </div>
+            </div>
+          </div>
+
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+                        <a href="https://www.apache.org">The Apache Software Foundation</a>.
+            All Rights Reserved.      
+                    
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