#!/bin/sh
 
# snmpusers v0.1
# this wil monitor the hrSystemNumUsers.0 from a win2k3 box.
#
#######################
# Original header
#######################
# BIG BROTHER - SCRIPT TO SUCK OUT CPU UTILIZATION FROM A
# WINDOWS 2000 Server running SNMP with MIB-II
# Gavin Goes - Cymple Solutions [gavin @ cymplesolutions.com]
#
# Please note that this is a very crude hack of the snmp v0.5 script
# by Sean Macguire. The script can be modified to check any OID on a
# host for comparison... (see OID check section)
#
# This program is under a BSD-style license, you may change it at
# will and redistribute, but giving credit is good manners...
 
# TO RUN THE SNMPCPU TEST ADD THE KEYWORD snmpusers TO THE "BBEXT"
# VARIABLE OF $BBHOME/ext/bbdef.sh.  THIS IS FOR SECURITY.
 
# THE EASIEST INSTALLATION OF THIS SCRIPT INVOLVES PLACING THE
# SCRIPT IN THE $BBHOME/ext directory, and adding the line:
#
#       : : snmpusers.sh
#
# TO THE $BBHOME/etc/bb-bbexttab FILE. TRY ADDING A HOST TO YOUR
# $BBHOME/etc/bb-hosts FILE FOLLOWING THIS EXAMPLE:
#
#  10.50.50.1   deadcat.domain.org # snmpusers
#
 
# BBPROG SHOULD JUST CONTAIN THE NAME OF THIS FILE
# USEFUL WHEN YOU GET ENVIRONMENT DUMPS TO LOCATE
# THE OFFENDING SCRIPT...
#
BBPROG=snmpusers; export BBPROG
 
TEST="snmpusers"
 
# BBHOME CAN BE SET MANUALLY WHEN TESTING.
# OTHERWISE IT SHOULD BE SET FROM THE BB ENVIRONMENT
#
BBHOME=/home/bigbro/bb/; export BBHOME  # FOR TESTING
 
if test "$BBHOME" = ""
then
        echo "BBHOME is not set... exiting"
        exit 1
fi
 
if test ! "$BBTMP"                      # GET DEFINITIONS IF NEEDED
then
         # echo "*** LOADING BBDEF ***"
        . $BBHOME/etc/bbdef.sh          # INCLUDE STANDARD DEFINITIONS
fi
 
#
# SET UP THE SNMP COMMANDS WE'LL NEED (AS WELL AS THE MIB DEFINITIONS
# WHICH USUALLY ARE IN /usr/local/share/snmp/mibs
# IF NOT, ACQUIRE THEM AND PLACE IN THERE
#
MIBS=ALL; export MIBS
SNMPGET="/usr/bin/snmpget"
SNMPWALK="/usr/bin/snmpwalk"
SED="/bin/sed"
 
if test ! -x "$SNMPGET"
then
        echo "Can't find snmpget! [$SNMPGET]... exiting"
        exit 1
fi
if test ! -x "$SNMPWALK"
then
        echo "Can't find snmpwalk! [$SNMPWALK]... exiting"
        exit 1
fi
 
#
# LOOK FOR THE snmpusers KEYWORD IN THE etc/bb-hosts FILE
# BUT MAKE SURE TO IGNORE COMMENTS
#
$GREP snmpusers $BBHOME/etc/bb-hosts | grep -v "^#" |
while read line
do
        set $line                       # GET ALL THE LINE ARGS
        HOST="$1"
        MACHINEMASK="$2"; export MACHINEMASK
 
        if test "$HOST" = "0.0.0.0"     # SUPPORT USING NAMES...
        then
                HOST="$MACHINEMASK"
        fi
 
        if test "$FQDN" != "TRUE"
        then
                OLDIFS="$IFS"
                IFS="."
                set $MACHINEMASK
                MACHINEMASK="$1"
                IFS="$OLDIFS"
        fi
 
        # echo "DOING HOST $MACHINEMASK"
        BOX=`echo $MACHINEMASK | $SED "s/./,/g"`
 
        # COMMUNITY WILL DEFAULT TO "public" UNLESS OTHERWISE
        # STATED IN $BBHOME/etc/bb-smtptab
 
        COMMUNITY="public"
 
        if test -f $BBHOME/etc/bb-snmptab       # IF NOT "public"
        then
                # SEARCH BY IP ADDRESS
                COMMUNITY=`grep "$HOST" $BBHOME/etc/bb-snmptab`
                if test "$COMMUNITY" != ""
                then
                        set $COMMUNITY
                        COMMUNITY="$2"
                else    # SEARCH BY NAME
                        COMMUNITY=`grep "$MACHINEMASK" $BBHOME/etc/bb-snmptab`
                        if test "$COMMUNITY" != ""
                        then
                                set $COMMUNITY
                                COMMUNITY="$2"
                        else
                                COMMUNITY="public"
                        fi
                fi
        fi
 
### OID Check section
### Modify the appropriate setting and OID to suit your needs for
### your specific device... Use a utility like GetIF to find out
### what OIDs your device can monitor
 
        # GET THE AMOUNT OF USERS FOR THIS DEVICE...
        SYSTEMUSERS=`$SNMPGET -v2c -c$COMMUNITY $HOST hrSystemNumUsers.0 2>&1`
 
                set $SYSTEMUSERS
                echo "1= $*" #just for debugging
                shift; shift; shift;
                echo "2 =$*" #just for debugging
                SYSTEMUSERS=`echo $* | $SED "s/\"//g"`
                REALUSERS="`/usr/bin/expr $SYSTEMUSERS - 1`"
 
        # Check if the value of the number of users is greater then
        # or equal to a specific value...
        if [ "$REALUSERS" -ge "50" ]
        then
                # SEND USERS MESSAGE AND EXIT
                $BB $BBDISP "status ${BOX}.${TEST} red `date` The number of users is $REALUSERS"
                continue;
        else
                COLOR="green"; TEST="snmpusers";
                $BB $BBDISP "status ${BOX}.${TEST} $COLOR `date` $LINE The number of users is $REALUSERS"
        fi
 
done

 : :snmp/snmpusers.sh

#!/usr/bin/perl -w -w
#
# Set a path to the rrd tool lib
# Set as and $ENV and see what is up
use lib $ENV{'RRDPM'};
use RRDs;
 
$ds = "snmpusers";
 
@ds = ("DS:snmpusers:GAUGE:600:0:U",
       );
 
##################################
# Start of script
##################################
 
if( not $ENV{'BBHOME'} ) {
        print "$0: BBHOME is not setn";
        exit(1);
}
 
if( not -d $ENV{'BBHOME'} ) {
        print "$0: BBHOME is invalidn";
        exit(1);
}
 
if( not -d $ENV{'BBRRDS'} ) {
        print "$0: BBRRDS is not setn";
        exit(1);
}
 
##
# real work begins here
##
# go to the logs area for simplication of the list
#chdir "$ENV{'BBLOGS'}";
chdir "/home/bigbro/bbvar/logs";
 
# Glob the logs
LOG: while (  defined ($log = <*.$ds>)  ) {
        $host=$log;
        # create some handy vars
        $host =~ s/.$ds//;
        $host =~ s/,/./g;
        ($ctime) = (stat($log))[10];
 
        $colour_check="notok";
 
        # Grab lines
        open(LOG,"$log");
        while ( defined ($line = <log>) ) {
          chomp $line;
 
          # ensure colour is valid - ie don't graph purple results
          if($line =~ /green|yellow|red/) {
            $line =~ /users iss+(d+)/o;
            $users=$1;
            $colour_check="ok";
 
          } # end line colour check
 
          if ($colour_check ne "ok") {
                print "$0: WARN $host is not showing red, yellow, or green. $log skipped.n" if ($ENV{'WARN'});
                next LOG;
          }
 
        } # end while
        close(LOG);
 
        print "$0: DEBUG users: $usersn" if $ENV{'DEBUG'};
 
        # RRD for users
 
        $RRD="$ENV{'BBRRDS'}/$host.snmpusers.rrd";
 
        # if it doesn't exist, make it
        if ( not -f $RRD ) {
                        # RRAS defined in larrd.pl
                        @rras = split " ",$ENV{'RRAS'};
                        RRDs::create($RRD,@ds,@rras);
                        $ERR=RRDs::error;
                        if($ERR) {
                                print "$0: ERROR creating $RRD: $ERRn" if ($ENV{'ERROR'});
                                next;
                        }
                $ctime="N";
                print "$0: STATUS did not find $RRD, created.n" if ($ENV{'STATUS'});
        }
 
        RRDs::update("$RRD","$ctime:$users");
        $ERR=RRDs::error;
        if($ERR) {
               print "$0: WARN updating $RRD: $ERRn" if ($ENV{'WARN'});
        }
 
        # Sloppy
        ($ctime) = (stat($log))[10];
 
}
##############################################
# end of script
##############################################
</log>

@DATALIST=("la","disk","bbnet","vmstat","netstat","users","procs","memory","snmpusers");

 snmpusers => {
    hourly => {
        start_sec => "e-48h",
        title => "$host # of Users Last 48 Hours",
    },
    daily => {
        start_sec => "e-12d",
        title => "$host # of Users Last 12 Days",
    },
    weekly => {
        start_sec => "e-48d",
        title => "$host # of Users Last 48 Days",
    },
    monthly => {
        start_sec => "e-576D",
        title => "$host # of Users Last 576 Days",
    },
    yaxis => "#",
    lines => sub {
        my ($RRD,$service,$graph,$p,$color)=@_;
 
        return [
#            qq{DEF:p=$host.snmpusers.rrd:la:AVERAGE},
            qq{DEF:p=$host.snmpusers.rrd:snmpusers:AVERAGE},
            qq{AREA:p#00CC00:Users},
            qq{COMMENT:n},
            qq{GPRINT:p:LAST:Users   : %5.1lf%s (cur)},
            qq{GPRINT:p:MAX: : %5.1lf%s (max)},
            qq{GPRINT:p:MIN: : %5.1lf%s (min)},
            qq{GPRINT:p:AVERAGE: : %5.1lf%s (avg)n},
        ]
    },
  }