454 lines
15 KiB
Bash
454 lines
15 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 [ $? -ne 0 ]; then
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echo "Please install snmpwalk"
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exit 3
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fi
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# Global Variables
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APPNAME=$(basename $0)
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AUTHOR="Claudio Boggian"
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VERSION="0.1"
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# Default settings
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COMMUNITY="public"
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HOST_NAME="localhost"
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SNMPVERSION="2c"
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# State Variables
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STATE_OK=0
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STATE_WARN=1
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STATE_CRIT=2
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STATE_UNK=3
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# Default Outputs
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STATE=$STATE_OK
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STATE_STRING=""
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PERFDATA=""
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# Default WARNING / CRITICAL for temperature checks
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WARNING=80
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CRITICAL=90
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# Change this to modify the script's handling of how it
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# separates each consumable/tray when multiple checks
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# are output.
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SEPARATOR="\n"
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# This is the character that tokenizes multiple arguments
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# to the port check. I have this here so it's easy to
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# change if I find the current character I have is buggy
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# or a bad choice
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ARG_TOKEN=','
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# WATCHGUARD SNMP OIDS
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OID_wgSystemTotalSendBytes="1.3.6.1.4.1.3097.6.3.8"
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OID_wgSystemTotalRecvBytes="1.3.6.1.4.1.3097.6.3.9"
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OID_wgSystemTotalSendPackets="1.3.6.1.4.1.3097.6.3.10"
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OID_wgSystemTotalRecvPackets="1.3.6.1.4.1.3097.6.3.11"
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OID_wgSystemCpuUtil1="1.3.6.1.4.1.3097.6.3.77"
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OID_wgSystemCurrActiveConns="1.3.6.1.4.1.3097.6.3.80"
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OID_wgIpsecTunnelNum="1.3.6.1.4.1.3097.6.5.1.1"
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OID_wgInfoGavService="1.3.6.1.4.1.3097.6.1.3.0"
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OID_wgInfoIpsService="1.3.6.1.4.1.3097.6.1.4.0"
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# print_version
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print_version() {
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echo "$APPNAME $VERSION"
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echo "$AUTHOR"
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echo ''
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}
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# print_usage
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print_usage(){
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echo ''
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echo 'Usage for SNMP v1/2c:'
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echo " $APPNAME -H <host/IP> -t <type of check> [-C <SNMP community>] [-p <ports>] [-S <character>] [-w <warning value>] [-c <critical value>]"
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echo ''
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echo 'Usage for SNMP v3:'
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echo " $APPNAME -H <host/IP> -t <check> -u <user> -x <protocol> -X <password> -a <protocol> -A <password> -l <security mode> [-p <ports>] [-S <character>]>"
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echo ''
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}
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# print_help Function
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function print_help () {
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print_version
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echo 'Description:'
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echo "$APPNAME is a Nagios plugin to check the status of various components of Dell PowerConnect switches."
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echo ''
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echo 'This plugin is not developped by the Nagios Plugin group.'
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echo 'Please do not e-mail them for support on this plugin.'
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echo ''
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echo 'For contact info, please read the plugin script file.'
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print_usage
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echo "---------------------------------------------------------------------"
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echo ''
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echo 'OPTIONS:'
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echo ' -H|--host'
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echo ' Host name or IP address to check. Default is: localhost. REQUIRED OPTION'
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echo ' -v|--snmpversion { 1 | 2c | 3 }'
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echo " Specifies the SNMP version to use. Default is '2c'. REQUIRED OPTION"
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echo ' -C|--community'
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echo " SNMP v2 community string with Read access. Default is 'public'. REQUIRED OPTION"
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echo ' -u|--user'
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echo ' SNMP v3 username'
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echo ' -l|--privlevel { noAuthNoPriv | authNoPriv | authPriv }'
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echo ' SNMP v3 privilege level'
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echo ' -x|--privprotocol { DES | AES }'
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echo ' SNMP v3 privacy protocol'
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echo ' -X|--privpassword'
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echo ' SNMP v3 privacy password'
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echo ' -a|--authprotocol { MD5 | SHA }'
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echo ' SNMP v3 authentication protocol'
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echo ' -A|--authpassword'
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echo ' SNMP v3 authentication password'
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echo ' -t|--type { assets | description | uptime | ports | port | health | temps | fans | psus }'
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echo ' The check you want to perform for the switch(es).'
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echo ' REQUIRED OPTION.'
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echo ' -p|--port <port(s)>'
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echo " Specify port number, or list of ports (comma-separated) to be checked (only for the '-t port' option!)"
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echo ' -S|--separator <text string>'
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echo ' Assign a particular string as the separator for consumables.'
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echo ' Default is " " to conform to Nagios plugin development guidelines'
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echo ' -w|--warning'
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echo ' Assign WARNING value, in degrees C, for temperature checks'
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echo ' -c|--critical'
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echo ' Assign CRITICAL value, in degrees C, for temperature checks'
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echo ' -h|--help'
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echo ' Show this help screen'
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echo ' -V|--version'
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echo ' Show the current version of the plugin'
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echo ''
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echo 'CHECK TYPES:'
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echo ' assets:'
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echo ' Returns serial number and service tag of unit. '
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echo ''
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echo ' description:'
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echo ' Returns make and model of unit. Equivalent to checking sysDescr.'
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echo ''
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echo ' uptime:'
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echo ' How long the unit has been powered on. Equivalent to checking sysUptime.'
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echo ''
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echo ' ports:'
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echo ' Checks admin status of all ports. Reports number of ports UP and DOWN. Equivalent to checking ifOperStatus'
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echo ''
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echo ' port:'
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echo ' Admin status of specified ports. Reports number of ports UP and DOWN. '
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echo ' Ports to check can be specified as a range (x-y), as well as a comma-separated list (3,5,19).'
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echo ''
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echo ' health:'
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echo " Global health status of the device(s). Will let you know something is wrong, but won't check what."
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echo ''
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echo ' temps:'
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echo ' Ambient temperature of the device(s).'
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echo ' WARNING and CRITICAL values are required! Default WARNING is 65 deg F and CRITICAL is 70 deg F.'
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echo ''
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echo ' fans:'
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echo ' Fan status of the device(s).'
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echo ''
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echo ' psus:'
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echo ' Power supply status of the device(s).'
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echo ''
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echo 'EXAMPLES:'
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echo " $APPNAME -H hostname -C public -t port -p 42"
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echo ' to check status of port 42'
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echo " $APPNAME -H hostname -C public -t psus"
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echo ' to check status of power supplies'
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echo " $APPNAME -H hostname -C public -t temps -w 60 -c 70"
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echo ' to check thermal temperatures'
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echo ''
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exit $STATE_UNK
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}
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# Check System Statistics Send/Recv
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#$OID_wgSystemTotalSendBytes
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#$OID_wgSystemTotalSendPackets
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#$OID_wgSystemTotalRecvBytes
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#$OID_wgSystemTotalRecvPackets
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function CheckTransfer () {
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TRANSFER_STATE=$STATE_OK
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TOTSENDB="walk_snmp $OID_wgSystemTotalSendBytes"
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check_snmp_error "$?" "$TOTSENDB"
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SBYTE=$(echo "$TOTSENDB" | cut -d " " -f 2 | sed 's/(//g'| sed 's/)//g')
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return $TRANSFER_STATE
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}
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#########################################################
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# Subroutine: walk_snmp #
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#########################################################
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walk_snmp(){
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if [ $2 = true ]; then
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OUTPUT_OPTIONS="-Oavq"
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else
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OUTPUT_OPTIONS="-Oa"
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fi
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if [[ $SNMPVERSION = 3 ]]; then
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RESULT_TEXT="snmpwalk -v $SNMPVERSION $OUTPUT_OPTIONS -u $SNMPUSER -l $PRIVILEGELEVEL -x $PRIVACYPROTOCOL -X $PRIVACYPASSWORD -a $AUTHPROTOCOL -A $AUTHPASSWORD $HOST_NAME $1"
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RESULT_CODE=$?
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else
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# Check if community was also set
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RESULT_TEXT="snmpwalk -v $SNMPVERSION $OUTPUT_OPTIONS -c $COMMUNITY $HOST_NAME $1"
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RESULT_CODE=$?
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fi
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if [[ $RESULT_CODE -ne 0 ]]; then
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echo "Plugin $APPNAME failure - snmpwalk command error."
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echo "$RESULT_TEXT"
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exit $STATE_UNK
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fi
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if [ $2 = true ]; then
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echo "$RESULT_TEXT" | sed -e 's/^[[:space:]]*//' | tr -d "\""
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else
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echo "$RESULT_TEXT"
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fi
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}
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#########################################################
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# Subroutine: get_snmp #
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#########################################################
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get_snmp(){
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if [[ $SNMPVERSION = 3 ]]; then
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RESULT_TEXT="snmpget -v $SNMPVERSION -Oavq -u $SNMPUSER -l $PRIVILEGELEVEL -x $PRIVACYPROTOCOL -X $PRIVACYPASSWORD -a $AUTHPROTOCOL -A $AUTHPASSWOR"
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RESULT_CODE=$?
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else
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# Check if community was also set
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RESULT_TEXT="snmpget -v $SNMPVERSION -Oavq -c $COMMUNITY $HOST_NAME $1"
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RESULT_CODE=$?
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fi
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if [[ $RESULT_CODE -ne 0 ]]; then
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echo "Plugin $APPNAME failure - snmpget command error."
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echo "$RESULT_TEXT | tr -d "\"
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exit $STATE_UNK
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fi
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echo "$RESULT_TEXT | tr -d "\"
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}
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#########################################################
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# Subroutine: check_snmp_error #
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#########################################################
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# Tests errors returned by function operations #
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#########################################################
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check_snmp_error(){
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if [[ $1 -ne 0 ]]; then
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echo $2
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exit $STATE_UNK
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fi
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}
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#########################################################
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## MAIN CODE ##
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#########################################################
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# Check that all required binaries for the script are available
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# EXIT with an UNKNOWN status if not
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binaries="snmpwalk snmpget cut tr sed grep awk wc"
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for required_binary in $binaries
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do
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which $required_binary > /dev/null
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if [ "$?" != '0' ];then
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echo "UNKNOWN: $APPNAME: No usable '$required_binary' binary in '$PATH'"
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exit $STATE_UNK
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fi
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done
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# Check to see if any parameters were passed
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if [[ $# -eq 0 ]]; then
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print_usage
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exit $STATE_UNK
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fi
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# Parse our options as passed, and make sure things are peachy
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while test -n "$1"; do
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case "$1" in
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--host|-H)
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HOST_NAME=$2
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shift
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;;
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--comunity|-C)
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COMMUNITY=$2
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shift
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;;
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--snmpversion|-v)
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SNMPVERSION=$2
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shift
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;;
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--user|-u)
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SNMPUSER=$2
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shift
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;;
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--privelegelevel|-l)
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PRIVILEGELEVEL=$2
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shift
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;;
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--authprotocol|-a)
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AUTHPROTOCOL=$2
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shift
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;;
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--authpassword|-A)
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AUTHPASSWORD=$2
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shift
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;;
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--privacyprotocol|-x)
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PRIVACYPROTOCOL=$2
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shift
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;;
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--privacypassword|-X)
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PRIVACYPASSWORD=$2
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shift
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;;
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--type|-t)
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CHECK_TYPE=$2
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shift
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;;
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--port|-p)
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PORT_LIST=$2
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shift
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;;
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--separator|-S) # Assign separator
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SEPARATOR="$2"
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shift
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;;
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--warning|-w) # Assign WARNING threshold
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WARNING=$2
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shift
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;;
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--critical|-c) # Assign CRITICAL threshold
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CRITICAL=$2
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shift
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;;
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--help|-h)
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print_help
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;;
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--version|-V)
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print_version
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exit $STATE
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;;
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*)
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echo "Unknown argument: $1"
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print_usage
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exit $STATE_UNK
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;;
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esac
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shift
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done
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# Make sure all necessary arguments were given; EXIT with an UNKNOWN status if not
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if [ ! -z $CHECK_TYPE ]; then
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# Determine the check to perform
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case "$CHECK_TYPE" in
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"assets")
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CheckAssetInfo
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;;
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"description")
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CheckDescription
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;;
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"uptime")
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CheckUptime
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STATE=$?
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;;
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"ports")
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CheckPorts
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STATE=$?
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;;
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"port")
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# be sure CHECK_TYPE is not null first!!!
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for CURRENT_PORT in $(echo "$PORT_LIST" | tr "$ARG_TOKEN" "\n")
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do
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CheckPort "$CURRENT_PORT"
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CURRENT_PORT_STATUS=$?
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if [ "$CURRENT_PORT_STATUS" -gt "$STATE" ]; then
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STATE="$CURRENT_PORT_STATUS"
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fi
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done
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;;
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"health")
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GLOBALHEALTH="get_snmp $OID_productStatusGlobalStatus"
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check_snmp_error "$?"
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case "$GLOBALHEALTH" in
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3)
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STATE_STRING="OK: System hardware is okay."
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STATE=$STATE_OK
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;;
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4)
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STATE_STRING="WARNING: At least one power supply is not functional, or hardware reported error."
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STATE=$STATE_WARN
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;;
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5)
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STATE_STRING="CRITICAL: At least one fan is not functional, or hardware has fatal errors."
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STATE=$STATE_CRIT
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;;
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esac
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;;
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"temps")
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CheckTemps
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STATE=$?
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;;
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"fans")
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CheckFans
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STATE=$?
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;;
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"psus")
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CheckPSUs
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STATE=$?
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;;
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*)
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STATE_STRING="UNKNOWN: No valid check type specified to -t parameter"
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STATE=$STATE_UNK
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;;
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esac
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else
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echo "Command incomplete!"
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STATE=$STATE_UNK
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fi
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# If the program hasn't exited already, then a check was run okay and we can quit.
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if [ "$PERFDATA" == "" ]; then
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echo "$STATE_STRING"
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else
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echo "$STATE_STRING|$PERFDATA"
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fi
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exit $STATE |