125 lines
2.1 KiB
Bash
125 lines
2.1 KiB
Bash
#!/bin/bash
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# startup checks
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if [ -z "$BASH" ]; then
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echo "Please use BASH."
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exit 3
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fi
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if [ ! -e "/usr/bin/which" ]; then
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echo "/usr/bin/which is missing."
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exit 3
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fi
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snmp=$(which snmpwalk)
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if [ $? -ne 0 ]; then
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echo "Please install snmpwalk"
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exit 3
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fi
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# Default Values
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community="pal-ro"
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version="2"
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more=""
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# State Variables
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STATE_OK=0
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STATE_WARN=1
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STATE_CRIT=2
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STATE_UNK=3
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# Default Outputs
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STATE=$STATE_OK
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STATE_STRING=""
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PERFDATA=""
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# Usage Info
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usage() {
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echo '''
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Usage: check_snmp [OPTIONS]
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[OPTIONS]
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-p PORT Port to send the snmp request to (default: 161)
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-N COMMUNITY SNMP community name (default: public)
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-H HOST Hostname to send SNMP queries to
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-o OID SNMP OID to query
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-V VERSION SNMP Version (default: 2)
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-M MORE When using -V 3, pass all required snmpwalk parameters
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with -M, i.E. "-u user -a MD5 -A 72d0815....D38 -x AES"
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-w WARNING Defines limit for WARNING
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-c CRITICAL Defines limit for CRITICAL
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'''
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}
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#main
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#get options
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while getopts "p:N:H:o:V:M:W:C:w:c:" opt; do
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case $opt in
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port=$OPTARG
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;;
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N)
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community=$OPTARG
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;;
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H)
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host=$OPTARG
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;;
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o)
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oid=$OPTARG
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;;
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V)
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version=$OPTARG
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;;
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M)
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more=$OPTARG
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;;
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w)
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warning=$OPTARG
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;;
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c)
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critical=$OPTARG
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;;
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*)
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usage
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exit 3
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;;
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esac
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done
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#required paramters
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if [ -z "$host" ]; then
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echo "Error: host is required"
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usage
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exit 3
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fi
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if [ -z "$oid" ]; then
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echo "Error: oid is required"
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usage
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exit 3
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fi
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if ! [[ "$version" =~ ^[0-9]+$ ]]; then
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echo "Error: -V must be 1 , 2 or 3"
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usage
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exit 3
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fi
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if [ $version -lt 1 ] || [ $version -gt 3 ]; then
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echo "Error: -V must be 1 , 2 or 3"
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usage
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exit 3
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fi
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oversion=$version
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if [ $version -eq 2 ];then
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version="-v2c"
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elif [ $version -eq 1 ]; then
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version="-v1"
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fi
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if [ $oversion -eq 3 ] ; then
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rtr=$(snmpwalk $version -c $community $host $oid)
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fi
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status=$?
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rtr=$(echo $rtr | cut -d " " -f 4)
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echo "Value is: $rtr"
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exit 0 |