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alerts-streaming.html
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<!DOCTYPE html >
<html lang="en">
<head>
<title> Logscape Documentation </title>
<script src="js/kiss.js"> </script>
<link href="css/bootstrap.min.css" rel="stylesheet"/>
<link href="css/style.css" rel="stylesheet"/>
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var breadcrumbs={
"gettingstarted":"Getting Started"
,"searching":"Search"
,"kv":"Data Discovery"
,"offsets":"Using Offsets"
,"geoip":"Geo IP"
,"pattern":"Using Search Patterns"
,"video":"tutorials"
,"overlays":"Overlaying Searches"
,"starthere":""
,"ds":"Data Sources"
,"add":" Add a New Data Source"
,"multitags":" Using Multi-Tags"
,"syslog":" Connect Syslog Clients"
,"tags": " Sources and Tags"
,"intelligent_field_discovery":" Intelligent Field Discovery"
,"types":"Data Types"
,"system_fields":"System Fields"
,"deploy":"Deployment"
,"app":" Logscape Apps"
,"agents": "Agents "
,"architectures_default": " Default Deployment"
,"architectures_failover": "Failover"
,"architectures_indexstores": " Index Stores"
,"architectures_tenured":"Tenured Data"
,"architectures_zones":" Zones"
,"Backup": "Backup"
,"home":" The Home Workspace"
,"import":" Restoring from Backup"
,"partial": " Selective Import"
,"arch_zoning":"Distributed Topology"
,"arch_clm":"Centralized Monitoring Topology"
,"arch_indexstores":"Multiple Index Store Topology"
,"rawtcpserver": "Tcp Server"
,"syslogserer":"Syslog Server"
,"centralconfigs":"Centralized Configuration"
,"boot_properties":"Boot Properties"
,"users":"Users"
,"datagroups": "Data Groups"
,"nested": "Nested Groups"
,"faq":"Frequently Asked Questions"
,"ldap":"Active Directory"
};
$(window).load(function(){
function genLink(arr,idx){
if (idx<0) { return "/"; }
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}});
}
$(window).load(function() {
parseRSS("http://blog.logscape.com/feed",function(feed){
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function submit_form(){
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q=encodeURIComponent(q)
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history.pushState({},"",location);
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<div style="width:100%;height:85px;background-color:#2980B9;">
<!--div
a(href="/") Documentation
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<form id="cse-search-box" action="" style="position:right;padding-top:5px;padding-bottom:5px" onSubmit="submit_form()">
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<div id="navdiv" style="width:100%;height:40px;background-color:#373737;box-shadow: 0 0 2px #999;color:white;">
<div style="padding-left:70px;padding-top:10px"><a href="/Cloud-Introduction.html">Cloud | </a><a href="http://blog.logscape.com/dwqa-questions/">Forums | </a><a href="/apps.html">Apps | </a><a href="http://www.logscape.com">Logscape.com </a>
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ul
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a(href="ds.html")▶ Data Sources
li
a(href="types.html")▶ Data Types
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a(href="deploy.html")▶ Deployment
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a(href="users.html")▶ Users
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a(href="alerts.html")▶ Alerts
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a(href="technology.html")▶ Technology
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<div style="padding-left:50px">
<h4>Articles </h4>
</div>
<hr/>
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<ul style="list-style:none;padding-left:10px;background-color:#FFFEE7"> </ul>
</div>
</div>
<div class="col-md-9 content-area">
<div class="container-fluid">
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<div class="col-md-11">
<h3>Event Streaming </h3>
<p>Events being monitored by Logscape can be streamed via websockets or handled by a groovy script. When setting up your event streaming Logscape will stream off events using websockets or will pass the events onto the streaming script if this option is set. </p>
<p>To setup streaming follow these steps: </p>
<ul>
<li>General Tab - Give the stream a name and a cron schedule. </li>
<li>Trigger Tab - Set the number of events that will be streamed when the stream is triggered</li>
<li>Streaming Tab - Configure how the events will be consumed. </li>
</ul>
<p><br/></p>
<p class="alert alert-info"> If both options are set Logscape will use the groovy script over the websocket </p>
<h4>WebSocket Stream</h4>
<p>A websocket server is started on specified port. Any client that understands websockets can then consume Logscape events. <img src="images/alerts-streaming-start.png"/></p>
<p>Here are some event client examples <a href="alerts-streaming-clients-js.html">Websocket Clients </a></p>
<h4>Groovy Script Stream</h4>
<p>Events can also be streamed to a groovy script. Each event calls an event handler and the developer can do whatever they wish with the data, like pass the events onto another subsystems like an event bus. The event handler scripts should be copied to the <em>$LOGSCAPE_HOME/scripts/feed </em>folder. <img src="images/alerts-streaming-scripts.png"/></p>
<p>To learn more about the Groovy Clients visit this page</p>
<p>The eventMap contains the events as Key Value map. Each event will be processed by the event handler. The developer can then send the data to a different store, onto a message bus or another nosql database. <a href="alerts-streaming-clients-groovy.html">Groovy Clients </a></p>
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