tech:nagios_plugin_apc_ups - Senthil's Tech Wiki/Blog

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====== Nagios Plugin for APC UPS Metric collection and alerting ======
<code bash>
#!/bin/bash
#
# Check USP Metrics for APC UPS
# Written by Senthil Nathan
# Last Modified: June 26th 2021
#
# Usage: ./check_ups_metrics -w Time Left Warn -c Time Left Critical
#
# Description: Check UPS Metrics and warn on remaining minutes
#
# Output:
#
#
#
#

PROGNAME=`/usr/bin/basename $0`
PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
REVISION="1.0"

. $PROGPATH/utils.sh

check_root()
{
    # make sure script is running as root
    if [ `whoami` != root ]; then
        echo "UNKNOWN: please make sure script is running as root"
        exit $STATE_UNKNOWN
    fi
}

print_usage() {
    echo "Usage: $PROGNAME -w <warning minutes> -c <critical minutes>"
    echo "Usage: $PROGNAME --help"
    echo "Usage: $PROGNAME --version"
}

print_revision() {
    echo "Program: $PROGNAME"
    echo "Version: $REVISION"
}

print_help() {
    print_revision
    echo ""
    print_usage
    echo ""
    echo "Record UPS Metrics and Alert onf remaining Time"
    echo ""
}

# Check user is root
#check_root

# Make sure the correct number of command line
# arguments have been supplied

if [ $# -lt 1 ]; then
    print_usage
    exit $STATE_UNKNOWN
fi

# Grab the command line arguments

exitstatus=$STATE_WARNING #default
while test -n "$1"; do
    case "$1" in
        --help)
            print_help
            exit $STATE_OK
            ;;
        -h)
            print_help
            exit $STATE_OK
            ;;
        --version)
            print_revision
            exit $STATE_OK
            ;;
        -V)
            print_revision
            exit $STATE_OK
            ;;
        --warning)
            thewarn=$2
            shift
            ;;
        -w)
            thewarn=$2
            shift
            ;;
        --critical)
            thecrit=$2
            shift
            ;;
        -c)
            thecrit=$2
            shift
            ;;
        *)
            echo "Unknown argument: $1"
            print_usage
            exit $STATE_UNKNOWN
            ;;
    esac
    shift
done

# Validate arguments
if [ -z $thecrit ]; then
  print_usage
  exit $STATE_UNKNOWN
fi
if [ -z $thewarn ]; then
  print_usage
  exit $STATE_UNKNOWN
fi

# Check begins here

#
UPS_STATUS=`/sbin/apcaccess status`
if [ $? -eq 1 ]; then
  echo "UPS Status check error!"
  exit $STATE_UNKNOWN
fi
#
UPS_INFO=
UPS_INFO1=
UPS_M_BATTV="V;22;20;0;30"
UPS_M_LINEV="V;130;140;0;150"
UPS_M_LOADPCT="%;80;90;0;100"
UPS_M_BCHARGE="%;;;0;100"
UPS_M_TIMELEFT="M;20;10;0;60"
UPS_M_MBATTCHG="%;20;10;0;100"
#
for UPS_METRIC in BATTV LINEV LOADPCT BCHARGE TIMELEFT MBATTCHG
do
  UPS_METRIC_VAL=`echo "$UPS_STATUS"|grep "^$UPS_METRIC"|awk '{print $3}'`
  #echo "$UPS_METRIC=$UPS_METRIC_VAL"
  declare $UPS_METRIC=$UPS_METRIC_VAL
  UPS_INFO="$UPS_INFO $UPS_METRIC=$UPS_METRIC_VAL"
  UPS_M_VAR=UPS_M_$UPS_METRIC
  UPS_INFO1="$UPS_INFO1 $UPS_METRIC=$UPS_METRIC_VAL${!UPS_M_VAR}"
done
if (( $(echo "$TIMELEFT < $thecrit" | bc -l) )); then
  UPS_STATE="UPS Critical :"
  EXIT_STATUS=$STATE_CRITICAL
elif (( $(echo "$TIMELEFT < $thewarn" | bc -l) )); then
  UPS_STATE="UPS Warning :"
  EXIT_STATUS=$STATE_WARNING
else
  UPS_STATE="UPS OK :"
  EXIT_STATUS=$STATE_OK
fi
UPS_INFO="$UPS_STATE $UPS_INFO | $UPS_INFO1"
echo $UPS_INFO
exit $EXIT_STATUS
</code>
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