mirror of
https://github.com/munin-monitoring/contrib.git
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175 lines
6.0 KiB
Bash
Executable File
175 lines
6.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# File: snmp__fn
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# Description: SNMP plugin to monitor open sessions, sslvpn, CPU and Memory on a
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# Fortinet Fortigate firewall.
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#
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# Author: Thom Diener <munin@tmd.ch>
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# License: This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated
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# June, 1991.
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#
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# Version: v1.00 30.10.2011 First draft of the fortigate plugin
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# v1.01 19.01.2012 OID to MIB changed, plugins gets faster
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# v1.02 25.01.2012 MIB file availability check added
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# v1.03 01.04.2012 Update to work with Firmware v4.00MR3Patch6
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#
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# Parameters: config (required)
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# autoconf (optional)
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#
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# Usage: place in /etc/munin/plugins/ (or link it there using ln -s)
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# (Example: ln -s /usr/share/munin/plugins/snmp__fn \
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# /etc/munin/plugins/snmp_foo.example.com_fn)
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#
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# Add global community string
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# vi /etc/munin/plugin-conf.d/munin-node
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# [snmp_*]
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# env.community private
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# timeout 45 # In case low latency or timeout
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#
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# Fortigate Activate snmp on your Fortigate firewall.
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# Fortigate documentation at https://support.fortinet.com
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#
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# MIB Download and copy the original Fortigate MIB definition files to:
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# /usr/share/snmp/mibs/FORTINET-CORE-MIB.mib.txt
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# /usr/share/snmp/mibs/FORTINET-FORTIGATE-MIB.mib
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#
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# Testing This plugin has been tested with the following OS/software:
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#
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# Appliance/Firmware:
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# Fortigate-50B 3.00-b0662(MR6 Patch 1) work with v1.00-1.02
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# Fortigate-50B 3.00-b0678(MR6 Patch 6) work with v1.00-1.02
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# Fortigate-50B 4.00-b0178(MR1 Patch 1) work with v1.00-1.02
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# Fortigate-50B 4.00-b0217(MR1 Patch 10) work with v1.00-1.02
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# Fortigate-50B 4.00-b0217(MR2 Patch 4) work with v1.00-1.02
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# Fortigate-50B 4.00-b0521(MR3 Patch 6) work with v1.03
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#
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# Munin-Version:
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# Munin 1.4.4 (1.4.4-1ubuntu1)
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# OS-Version:
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# Ubuntu 10.04.3 LTS (lucid) x86_32/64
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#
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#%# family=manual
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#
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#set -x
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### Constants ------------------------------------------------------------------
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SNMPCLIENT=`basename $0 | sed 's/^snmp_//g' | cut -d "_" -f1`
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MIBFILE="/usr/share/snmp/mibs/FORTINET-FORTIGATE-MIB.mib"
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FNTYPE=`echo $MIBFILE | cut -d "." -f1 | cut -d "/" -f6`
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if [ -r $MIBFILE ]; then
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SNMPGET="/usr/bin/snmpget -m $MIBFILE -c $community -v 2c $SNMPCLIENT"
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else
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echo No, MIB definition file not available or readable.
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exit 1
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fi
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UNIT="Fortinet Fortigate Unit"
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### Variables ------------------------------------------------------------------
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FGTcpu="$FNTYPE::fgSysCpuUsage.0"
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fnSysMemUsage="$FNTYPE::fgSysMemUsage.0"
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fnSysSesCount="$FNTYPE::fgSysSesCount.0"
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fnVPNSslStatsLoginUsers="$FNTYPE::fgVpnSslStatsLoginUsers.1"
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fnVPNSslStatsActiveWebSessions="$FNTYPE::fgVpnSslStatsActiveWebSessions.1"
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fnVPNSslStatsActiveTunnels="$FNTYPE::fgVpnSslStatsActiveTunnels.1"
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SCPU=`$SNMPGET $FGTcpu | cut -d ":" -f4 | cut -d " " -f2`
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SMEM=`$SNMPGET $fnSysMemUsage | cut -d ":" -f4 | cut -d " " -f2`
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SCNT=`$SNMPGET $fnSysSesCount | cut -d ":" -f4 | cut -d " " -f2`
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USER=`$SNMPGET $fnVPNSslStatsLoginUsers | cut -d ":" -f4 | cut -d " " -f2`
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WEBS=`$SNMPGET $fnVPNSslStatsActiveWebSessions | cut -d ":" -f4 | cut -d " " -f2`
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ATUN=`$SNMPGET $fnVPNSslStatsActiveTunnels | cut -d ":" -f4 | cut -d " " -f2`
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### Functions ------------------------------------------------------------------
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autoconf()
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{
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if [ -z "$SCPU" ]; then
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echo "no (one or multiple OID can not be read)"
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elif [ -z "$SMEM" ]; then
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echo "no (one or multiple OID can not be read)"
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elif [ -z "$SCNT" ]; then
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echo "no (one or multiple OID can not be read)"
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else
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echo "yes"
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fi
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exit 0
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}
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config()
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{
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echo "multigraph fn_cpu"
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echo "host_name $SNMPCLIENT"
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echo "graph_title $UNIT - CPU usage"
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echo 'graph_category fw'
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echo 'graph_vlabel %'
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echo 'graph_info This graph shows current CPU usage.'
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echo 'graph_args --base 1000 -r --lower-limit 0 --upper-limit 100'
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echo 'forticpu.label CPU'
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echo 'forticpu.info CPU usage'
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echo 'forticpu.draw AREA'
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echo ''
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echo "multigraph fn_memory"
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echo "host_name $SNMPCLIENT"
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echo "graph_title $UNIT - Memory usage"
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echo 'graph_category fw'
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echo 'graph_vlabel %'
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echo 'graph_info This graph shows current memory usage.'
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echo 'graph_args --base 1000 -r --lower-limit 0 --upper-limit 100'
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echo 'fortimemory.label Memory'
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echo 'fortimemory.info Memory usage'
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echo 'fortimemory.draw AREA'
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echo ''
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echo "multigraph fn_sessions"
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echo "host_name $SNMPCLIENT"
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echo "graph_title $UNIT - Sessions"
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echo 'graph_category fw'
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echo 'graph_vlabel Active Sessions'
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echo 'graph_info Active session count on the Fortigate firewall'
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echo 'fortisessions.label Sessions'
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echo 'fortisessions.info Active session count'
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echo 'fortisessions.draw AREA'
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echo ''
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echo "multigraph fn_vpnsessions"
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echo "host_name $SNMPCLIENT"
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echo "graph_title $UNIT - SSLvpn Sessions"
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echo 'graph_category fw'
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echo 'graph_vlabel Sessions/Users'
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echo 'graph_info Loged in users with SSLvpn (WebSession or Tunnel-Mode)'
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echo 'fortiuser.label Users'
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echo 'fortiuser.info Loged in SSLvpn users'
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echo 'fortiwebs.label WebSessions'
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echo 'fortiwebs.info Active SSLvpn WebSessions'
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echo 'fortiatun.label ActiveTunnels'
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echo 'fortiatun.info Active SSLvpn Tunnels'
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exit 0
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}
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values()
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{
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echo "multigraph fn_cpu"
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echo "forticpu.value $SCPU"
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echo ""
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echo "multigraph fn_memory"
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echo "fortimemory.value $SMEM"
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echo ""
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echo "multigraph fn_sessions"
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echo "fortisessions.value $SCNT"
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echo ""
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echo "multigraph fn_vpnsessions"
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echo "fortiuser.value $USER"
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echo "fortiwebs.value $WEBS"
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echo "fortiatun.value $ATUN"
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}
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### Main -----------------------------------------------------------------------
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if [ "$1" = "autoconf" ]; then autoconf
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fi
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if [ "$1" = "config" ]; then config
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fi
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values
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