Munin contributed plugins

#!/usr/bin/env groovy

/* 

 * Reports tomcat thread status from the tomcat manager application

 *

 * Stian B. Lindhom <stian@lindhom.no> 2010

 */

def username = ''

def password = ''

def addr = 'http://localhost:8080/manager/status?XML=true'

def connector = 'http-8080'

def authString = (username + ":" + password).getBytes().encodeBase64()

def conn = addr.toURL().openConnection()

def maxthreads

def threadsBusy 

def threadCount

conn.setRequestProperty("Authorization", "Basic ${authString}")	

if (conn.responseCode == 200) {

    def doc = new XmlParser().parseText(conn.content.text)

    httpConnector = doc.connector.findAll{ it.'@name'.contains(connector) }[0]

    maxthreads = Integer.parseInt(httpConnector.threadInfo.'@maxThreads'.text())

    threadsBusy = Integer.parseInt(httpConnector.threadInfo.'@currentThreadsBusy'.text())

    threadCount = Integer.parseInt(httpConnector.threadInfo.'@currentThreadCount'.text())

}

if (args && args[0] == 'config') {

    warningThreshold = (Integer) (maxthreads - (maxthreads* 0.2))

    criticalThreshold = (Integer) (maxthreads - (maxthreads * 0.05))

    println """graph_category Tomcat

graph_title Tomcat threads

graph_info The number of busy threads describes how many HTTP requests are being processed at the moment

graph_vlabel Threads

currentThreadCount.label currentThreadCount

currentThreadsBusy.label currentThreadsBusy

maxThreads.label maxThreads

currentThreadCount.warning ${warningThreshold}

currentThreadCount.critical ${criticalThreshold}"""

    return;

}

println """currentThreadCount.value ${threadCount}

currentThreadsBusy.value ${threadsBusy}

maxThreads.value ${maxthreads}"""