check_snmp_printer.sh

#!/bin/sh

###############################################################################
# +-------------------------------------------------------------------------+
# | Copyright (C) 2007 S&L Netzwerktechnik                                  |
# |                                                                         |
# | This program is free software; you can redistribute it and/or           |
# | modify it under the terms of the GNU General Public License             |
# | as published by the Free Software Foundation; either version 2          |
# | of the License, or (at your option) any later version.                  |
# |                                                                         |
# | This program is distributed in the hope that it will be useful,         |
# | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
# | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
# | GNU General Public License for more details.                            |
# +-------------------------------------------------------------------------+
# |Monitoring Solution: The Complete Network Monitoring Solution :)         |
# +-------------------------------------------------------------------------+
# | This code is designed, written, and maintained by the Serge Mueller/ S&L|
# +-------------------------------------------------------------------------+
# | http://www.monitoring-solution.de/                                      |
# +-------------------------------------------------------------------------+
###############################################################################
#
#  check_snmp_printer - printer/consumables monitoring plugin for Nagios
#  Version: 0.2.0
#
###############################################################################
#
#  CHANGE LOG
#
#  2007-05-23 - Script creation
#  2007-06-06 - Added CONSUM ALL functionality
#  2016-11-07 - remove all non sh standard and indented
#
###############################################################################
#
#  COMMENTS
#  The Papertray stuff may need some attention...
#  Most printers' output sucks there
#
#
###############################################################################
#
#  DEPENDS On
#  snmpwalk - if needet change variable below
#  snmpget - see above
#
###############################################################################



HOSTIP=$1
COMMUNITY=$2


SNMPGET="/usr/bin/snmpget"
SNMPWALK="/usr/bin/snmpwalk"


# checks whether dependencies are installed
fcheckdeps(){
  type $SNMPGET > /dev/null 2>&1 && type $SNMPWALK > /dev/null 2>&1 || {
      (>&2 echo "$SNMPGET or $SNMPWALK not found. Please make sure they are installed.")
      exit 11
  }
}

fmodel(){
  MODEL=`$SNMPGET -v 1 -c $COMMUNITY $HOSTIP host.hrDevice.hrDeviceTable.hrDeviceEntry.hrDeviceDescr.1 2>/dev/null|cut -d " " -f4-`
  echo $MODEL
  exit 0
}

fmessages(){
  MESSAGES=`$SNMPWALK -v1 -c $COMMUNITY $HOSTIP 1.3.6.1.2.1.43.18.1.1.8|cut -d " " -f4- |tr -d "\""|tr -d "\n"`
  echo $MESSAGES
  exit 0
}



fpagecount(){

  PC=`$SNMPGET -v 1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.10.2.1.4.1.1 2>/dev/null|cut -d " " -f4-`
  echo "OK Pagecount is $PC|Pages=$PC;;;"
  exit 0
}



fconsumables(){

  ##testfrage

  if [ "$1" = "TEST" ]
  then
  echo "Consumables you may Monitor:"
    $SNMPWALK -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.6.1 2>/dev/null |cut -d " " -f4-
    #echo -e $OUTPUT
    exit 0
  else


    ###massenabfrage

    if [ "$1" = "ALL" ]
    then

      EXITCODE=0
      EXITSTRING=''
      PERFDAT=''
      for ID in `$SNMPWALK -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.6.1 2>/dev/null |egrep -oe '[[:digit:]]+\ ='|cut -d " " -f1`
      do
        NAME=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.6.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`
        if [ -z "$NAME" ]
        then
          (>&2 echo "Error OID not found,maybe your Printer does not support checking this device, call me with Option CONSUM TEST or see help")
          exit 3
        fi

        STATUS=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.9.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`
        FULL=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.8.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`


        ####debug
        #echo found $ID with name $NAME , full state: $FULL , actual state: $STATUS

        if [ "$FULL" -gt 0 ] && [ "$STATUS" -gt 0 ]
        then
          STATUS=$((STATUS * 100 / FULL))
          if [ "$STATUS" -gt "30" ]
          then
            EXITSTRING="$EXITSTRING OK,$NAME is at $STATUS%"
            PERFDAT="$PERFDAT $NAME=$STATUS;;$FULL;"
          else
            if [ "$STATUS" -lt "30" ] && [ "$STATUS" -gt "10" ]
            then
              EXITSTRING="$EXITSTRING, WARNING,$NAME is at $STATUS%"
              PERFDAT="$PERFDAT $NAME=$STATUS;;$FULL;"
              if [ "$EXITCODE" -lt 1 ]
              then
                EXITCODE=1
              fi

            else
              if [ "$STATUS" -lt "10" ]
              then
                EXITSTRING="$EXITSTRING CRITICAL,$NAME is at $STATUS%"
                PERFDAT="$PERFDAT $NAME=$STATUS;;$FULL;"
                EXITCODE=2
              fi
            fi
          fi

        else
          if [ "$STATUS" = "-3" ]
          then
            EXITSTRING="$EXITSTRING OK,$NAME is FULL"
          else
            if [ "$STATUS" = "-2" ]
            then
              EXITSTRING="$EXITSTRING WARNING,$NAME is at WARNING Level"
              if [ "$EXITCODE" -lt 1 ]
              then
                EXITCODE=1
              fi
            else
              if [ "$STATUS" = "0" ]
              then
                EXITSTRING="$EXITSTRING CRITICAL,$NAME is at CRITICAL Level"
                EXITCODE=2
              fi
            fi
          fi

        fi

      done
      echo "$EXITSTRING|$PERFDAT"
      exit $EXITCODE





      ###einzelne abfrage
    else
      ID=`$SNMPWALK -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.6.1 2>/dev/null |egrep -i -e "$1"|cut -d "=" -f1|cut -d "." -f8`
    fi
  fi
  NAME=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.6.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`
  if [ -z "$NAME" ]
  then
    (>&2 echo "Error OID not found,maybe your Printer does not support checking this device, call me with Option CONSUM TEST or see help")
    exit 3
  fi

  STATUS=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.9.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`
  FULL=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.11.1.1.8.1.$ID 2>/dev/null |cut -d " " -f4- |tr -d "\""`
  if [ "$FULL" -gt 0 ] && [ "$STATUS" -gt 0 ]
  then
    STATUS=$((STATUS * 100 / FULL))
    if [ "$STATUS" -gt "30" ]
    then
      echo "OK,$NAME is at $STATUS%|$NAME=$STATUS;;$FULL;"
      exit 0
    else
      if [ "$STATUS" -lt "30" ] && [ "$STATUS" -gt "10" ]
      then
        echo "WARNING,$NAME is at $STATUS%|$NAME=$STATUS;;$FULL;"
        exit 1
      else
        if [ "$STATUS" -lt "10" ]
        then
          echo "CRITICAL,$NAME is at $STATUS%|$NAME=$STATUS;;$FULL;"
          exit 2
        fi
      fi
    fi

  else
    if [ "$STATUS" = "-3" ]
    then
      echo "$NAME is OK"
      exit 0
    else
      if [ "$STATUS" = "-2" ]
      then
        echo "$NAME is at warning level"
        exit 1
      else
        if [ "$STATUS" = "0" ]
        then
          echo "$NAME is at critical level"
          exit 2
        fi
      fi
    fi

  fi
}




fpaper1(){
  PAPERSTATUS1=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.8.2.1.10.1.1|cut -d " " -f4- |tr -d "\""`
  if [ "$PAPERSTATUS1" = "-3" ]
  then
    echo "TRAY1 is OK"
    exit 0
  else
    if [ "$PAPERSTATUS1" = "-2" ]
    then
      echo "TRAY1 is at warning level"
      exit 1
    else
      if [ "$PAPERSTATUS1" = "0" ]
      then
        echo "TRAY1 is at critical level"
        exit 2
      fi
    fi
  fi
}


fpaper2(){
  PAPERSTATUS2=`$SNMPGET -v1 -c $COMMUNITY $HOSTIP   1.3.6.1.2.1.43.8.2.1.10.1.2|cut -d " " -f4- |tr -d "\""`
  if [ "$PAPERSTATUS2" = "-3" ]
  then
    echo "TRAY2 is OK"
    exit 0
  else
    if [ "$PAPERSTATUS2" = "-2" ]
    then
      echo "TRAY2 is at warning level"
      exit 1
    else
      if [ "$PAPERSTATUS2" = "0" ]
      then
        echo "TRAY2 is at critical level"
        exit 2
      fi
    fi
  fi
}


fpaper3(){
  PAPERSTATUS3=`$SNMPGET  -v1 -c $COMMUNITY $HOSTIP  1.3.6.1.2.1.43.8.2.1.10.1.3|cut -d " " -f4- |tr -d "\""`
  if [ "$PAPERSTATUS3" = "-3" ]
  then
    echo "TRAY3 is OK"
    exit 0
  else
    if [ "$PAPERSTATUS3" = "-2" ]
    then
      echo "TRAY3 is at warning level"
      exit 1
    else
      if [ "$PAPERSTATUS3" = "0" ]
      then
        exit "TRAY3 is at critical level"
        exit 2
      fi
    fi
  fi
}
ferror(){
  echo "
usage is:
$0 <HOSTIP> <COMMUNITY> <CHECK>
     where CHECK can be:
                MESSAGES
                MODEL
                CONSUM TEST
                CONSUM ALL

                CONSUM <String>
                PAPER1
                PAPER2
                PAPER3
                PAGECOUNT
CONSUM TEST, will give you the exact Names of installed Consumables like:
\"Black Toner Cartridge HP C4191A\"
For monitoring this consumable you\'ll call me like this:
$0 <HOSTIP> <COMMUNITY> CONSUM black
The string just needs to be unique
CONSUM ALL will give you all the Stuff at once..."
}


fcheckdeps

if [ "$#" -lt 3 ]
then
  ferror
  exit 3
fi

if [ "$3" = "MESSAGES" ]
then
  fmessages
else
  if [ "$3" = "MODEL" ]
  then
    fmodel
  else
    if [ "$3" = "CONSUM" ]
    then
      fconsumables $4
    else
      if [ "$3" = "PAPER1" ]
      then
        fpaper1
      else
        if [ "$3" = "PAPER2" ]
        then
          fpaper2
        else
          if [ "$3" = "PAPER3" ]
          then
            fpaper3
          else
            if [ "$3" = "PAGECOUNT" ]
            then
              fpagecount
            else
              if [ "$3" = "TEST" ]
              then
                fconsumables $3
              else
                ferror
                exit 3
              fi
            fi
          fi
        fi
      fi
    fi
  fi
fi
(>&2 echo "UNKNOWN something went wrong while checking the stats")
exit 3