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alerts-streaming-clients-groovy.html
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<!DOCTYPE html >
<html lang="en">
<head>
<title> Logscape Documentation </title>
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,"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"
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ul
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li
a(href="types.html")▶ Data Types
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a(href="users.html")▶ Users
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a(href="alerts.html")▶ Alerts
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<h4>Articles </h4>
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<h3>Groovy Streaming Clients </h3>
<p>Any groovy script that is placed in the following folder
<blockquote> $LOGSCAPE_HOME/scripts/feed</blockquote>can potentially be used to handle Logscape stream events. Each script in this folder must implement a stream handle.
</p>
<p class="alert alert-warning">Depending on the data Logscape may end up streaming a lot of data. Make sure that your script is written appropriately to handle the worst case scenario. Badly written scripts may impact the performance of your manager </p>
<p>The stream handler has the following signature
<blockquote>def handle(String alertName,String host,String file,String msg, Map fields) </blockquote>
<pre>def handle(String alertName,String host,String file,String msg, Map fields)
{
....
} </pre>
<p>Here a 'hello world' event handler example. It's important to have the keyword 'this' at the end of the file or the event streaming will not work </p>
<pre>
package test.ws.sample
/**
* API methods for live feed handling
* @param params
*/
def start(String... params){
}
def stop(){
}
def handle(String alertName, String host, String file, String content, Map fields){
println "Host:" + host + " File:" + file + " Content:" + content + " Fields:" + field
}
/**
* Must return this!
*/
this</pre>
</p>
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