SNMP monitor

Fujitsu.Servers.PRIMERGY.Linux.snmp.ShellScript.LessThan.ThreeState.Monitor (UnitMonitor)

Monitors the SNMP daemon using a shell script and generates an alert if the process appears to mis-function.

Knowledge Base article:

Element properties:

Source Code:

<UnitMonitor ID="Fujitsu.Servers.PRIMERGY.Linux.snmp.ShellScript.LessThan.ThreeState.Monitor" Accessibility="Public" Enabled="true" Target="Fujitsu.Servers.PRIMERGY.Linux.SnmpManagement" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Fujitsu.Servers.PRIMERGY.Linux.ShellScript.LessThanThreshold.ThreeState.MonitorType" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Fujitsu.Servers.PRIMERGY.Linux.snmp.ShellScript.LessThan.ThreeState.Monitor.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="Fujitsu.Servers.PRIMERGY.Linux.ManagementClientSoftware"]/NetworkName$</AlertParameter1>

      <AlertParameter2>$Data/Context///*[local-name()="StdOut"]$</AlertParameter2>

      <AlertParameter3>$Data/Context///*[local-name()="StdErr"]$</AlertParameter3>

      <AlertParameter4>$Data/Context///*[local-name()="ReturnCode"]$</AlertParameter4>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="StatusOK" MonitorTypeStateID="StatusOK" HealthState="Success"/>

    <OperationalState ID="StatusWarning" MonitorTypeStateID="StatusWarning" HealthState="Warning"/>

    <OperationalState ID="StatusError" MonitorTypeStateID="StatusError" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <Interval>300</Interval>

    <TargetSystem>$Target/Property[Type="Fujitsu.Servers.PRIMERGY.Linux.ManagementClientSoftware"]/NetworkName$</TargetSystem>

    <ScriptName>SnmpHealth.sh</ScriptName>

    <ShellScript>#!/bin/sh

# Fujitsu

# Copyright 2014-2019 FUJITSU LIMITED

#

# SnmpHealth.sh - monitors the health of SNMP daemon



OK=0

WARN=1

ERR=2

RETVALUE=$OK # we assume all is well

SCRIPTLOG="/tmp/Fujitsu/$0.log"



# arguments check

DBG=`echo $1 | awk '{print tolower($0)}'`

[ "$DBG" = "dbg" ] &amp;&amp; echo "Running $0 in debug mode"



# In DEBUG mode: generate some files under "/tmp" to see, the script is running

if [ "$DBG" = "dbg" ]

then

    mkdir -p /tmp/Fujitsu/

    tail $SCRIPTLOG 2&gt;/dev/null &gt; $SCRIPTLOG.bk

    mv -f $SCRIPTLOG.bk $SCRIPTLOG

    echo "$0 V__MP_VERSION__ last ran at `date`" &gt;&gt; $SCRIPTLOG

fi



EECD=`whereis eecd | awk 'NF&gt;1{print $2}'`

if [ "$EECD" = "" ]

then

    # either not a system from FUJITSU or no ServerView agents installed - do nothing!

    [ "$DBG" = "dbg" ] &amp;&amp; echo "Not a system from FUJITSU or ServerView Agents not installed."

    exit $OK

fi



# test that SNMP is installed

SNMP=`whereis snmpd | awk 'NF&gt;1{print $2}'`

if [ "$SNMP" = "" ]

then

    echo "SNMP is *NOT* installed! Abort with Error."

    exit $ERR

fi

[ "$DBG" = "dbg" ] &amp;&amp; echo "SNMP is installed at: $SNMP"



# test that SNMP is running

SNMPRUNNING=`ps -A | grep -i '[s]nmpd'`

if [ "$SNMPRUNNING" = "" ]

then

    echo "SNMP is *NOT* running! Abort with Error."

    exit $ERR

fi

[ "$DBG" = "dbg" ] &amp;&amp; echo "SNMP is running"



# test if SNMP is listening

SNMPLISTENING=`netstat -nlu | grep 161 | wc -l`

if [ $SNMPLISTENING -lt 1 ]

then

    echo "SNMP is *NOT* listening! Abort with Error."

    exit $ERR

fi

[ "$DBG" = "dbg" ] &amp;&amp; echo "SNMP is listening"



exit $RETVALUE

</ShellScript>

    <ScriptArguments>3_chars_DBG_for_DEBUG</ScriptArguments>

    <Timeout>60</Timeout>

    <UserName>$RunAs[Name="Unix!Microsoft.Unix.ActionAccount"]/UserName$</UserName>

    <Password>$RunAs[Name="Unix!Microsoft.Unix.ActionAccount"]/Password$</Password>

    <FilterExpression>

      <RegExExpression>

        <ValueExpression>

          <XPathQuery>//*[local-name()="ReturnCode"]</XPathQuery>

        </ValueExpression>

        <Operator>MatchesRegularExpression</Operator>

        <Pattern>^[0-2]$</Pattern>

      </RegExExpression>

    </FilterExpression>

    <WarningThreshold>1</WarningThreshold>

    <ErrorThreshold>2</ErrorThreshold>

  </Configuration>

</UnitMonitor>