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Aggregates JMX information from local java processes into a REST service and offers configuration generation for nagios.
AutodetectionAutodetects running processes and uses auto discovery plugins to detect what resources are available in these processes. Currently autodection supports:
Simple XML OutputPlugins extract selected mbeans into an easy to understand structure. <?xml version="1.0" encoding="UTF-8"?> <ns2:host xmlns:ns2="http://talend.org/monitoring"> <process name="ActiveMQ" href="..."> <instance type="ActiveMQ" name="localhost"> <resource name="localhost" oName="..." href="..."/> <resources name="Queue"> <resource name="example.A" oName="..." href="..."> <attr name="ConsumerCount" value="1" href="..."/> <attr name="QueueSize" value="99" href="..."/> </resource> </resources> </instance> </process> </ns2:host> Fetching any mbean attributeBesides the listed beans and attributes JMXAggregator allows to read any mbean and attribute with simple types. The URL below fetches the current queue size of the queue myqueue from the ActiveMQ process. http://localhost:8080/cxf/jmx-aggregator/process/ActiveMQ/resource/org.apache.activemq%3ABrokerName%3Dlocalhost%2CDestination%3Dmyqueue%2CType%3DQueue/QueueSize
FilteringThe administrator can provide a xsl style sheet to filter the for the attributes he wants to have in the nagios config. The line below selects the failed and completed exchanges from camel routes <xsl:template match="attr[../../@name='Route' and (@name='ExchangesFailed' or @name='ExchangesCompleted')]"><xsl:copy-of select="."/></xsl:template> Configuration generationThe filtered xml is used to generate nagios configs. These are available from the rest service and can be copied to nagios using wget: > wget -Omyhost.cfg localhost:8080/cxf/jmx-aggregator/process/all/config > /etc/init.d/nagios3 restart The nagios configs contain one service config for each attribute: define service {
use generic-service
host_name localhost
service_description Camel-sopwin58/181-camel-3-Route-route1-ExchangesFailed
check_command check_http_metric!0!0!http://localhost:8080/cxf/jmx-aggregator/process/karaf-root
/resource/org.apache.camel%3Acontext%3Dsopwin58%2F181-camel-3%2Cname%3D%22route1%22%2Ctype%3Droutes/ExchangesFailed
}
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