OpenNMS and CPU Threshold

Hi List,

Trying to setup a custom threshold for Nodes in a specific category.

From googling I’ve found that you setup a custom group in /opt/opennms/etc/threshd-configuration.xml which has the node filtering which have have done like so:

   <package name="netsnmp">
      <filter>IPADDR != '0.0.0.0' &amp; (nodeSysOID LIKE '.1.3.6.1.4.1.2021.%' | nodeSysOID LIKE '.1.3.6.1.4.1.8072.%') &amp; ! ( catincTEST )</filter>
      <include-range begin="1.1.1.1" end="254.254.254.254"/>
      <include-range begin="::1" end="ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"/>
      <service name="SNMP" interval="300000" user-defined="false" status="on">
         <parameter key="thresholding-group" value="netsnmp"/>
      </service>
   </package>


   <package name="netsnmp-custom">
      <filter>IPADDR != '0.0.0.0' &amp; (nodeSysOID LIKE '.1.3.6.1.4.1.2021.%' | nodeSysOID LIKE '.1.3.6.1.4.1.8072.%') &amp; catincTEST </filter>
      <include-range begin="1.1.1.1" end="254.254.254.254"/>
      <include-range begin="::1" end="ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"/>
      <service name="SNMP" interval="300000" user-defined="false" status="on">
         <parameter key="thresholding-group" value="netsnmp"/>
      </service>
   </package>


I believe according to this link (https://blog.yo61.com/custom-thresholding-for-specific-nodes-in-opennms/) the &amp; catincM2M part should only filter to nodes within the TEST surveillance category.



So I’ve setup the thresholds for the CPU like this:

<group name="netsnmp-custom" rrdRepository="/opt/opennms/share/rrd/snmp/">
        <threshold
            description="Trigger an alert when the cpu usage goes above 75% for a sustained period."
            type="high" ds-type="cpuinterrupt" value="3"
            rearm="1" trigger="1" ds-label="cpuUsageFull"
            filterOperator="or" ds-name="cpuUsageFull"/>
</thresholding-config>


More than 3% CPU usage (Just as a test) to trigger the alert on the first occurrence but I can’t get it to work.

Is ds-type="cpuinterrupt” and ds-label="cpuUsageFull" correct for CPU usage as a %?

Any ideas why this doesn’t work?

Thanks for any help

Joe.

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