#!/bin/sh
# name: checkmessages_net
#
# The checkmessages_net script checks the logs on the hosts. If anything 
# wrong is found, the script sends email to the system administrator. 
# This script should be scheduled to run daily using cron.
# 
# Described in the BigAdmin submitted tech tip:
#    http://www.sun.com/bigadmin/content/submitted/net_sys_autocheck.jsp
#

MAIL_RECEIVER=<your email address>
PATH=/usr/bin; export PATH

# Check host01.
# Check today's message above the level of warning.
GREP="grep \"^`date|cut -c5-10`\" /var/adm/messages | egrep \"emerg|alert|crit|err|warning\"" 

# The messages to be ignored
FILTER="| grep -v \"forceload of misc/md\""
FILTER="$FILTER | grep -v \"No proxy found\""

GREP="$GREP$FILTER"
if eval "$GREP" > /tmp/seriousmessages.txt
then
    mailx -s "host01 Serious Message" $MAIL_RECEIVER < /tmp/seriousmessages.txt 
fi

# Check host02. 
# Use a cron job to copy the /var/adm/messages file to a shared place 
# before running this script.
if [ -f /net/host02/report/host02_messages ]
then
    GREP="grep \"^`date|cut -c5-10`\" /net/host02/report/host02_messages \
                          | egrep \"emerg|alert|crit|err|warning\"" 
    FILTER="| grep -v \"forceload of misc/md\""

    GREP="$GREP$FILTER"
    if eval "$GREP" > /tmp/host02_seriousmessages.txt
    then
        mailx -s "host02 Serious Message" $MAIL_RECEIVER < /tmp/host02_seriousmessages.txt 
    fi
fi

# Check host03. 
# Use a cron job to copy the /var/adm/messages file to a shared place 
# before running this script.
if [ -f /net/host02/report/host03_messages ]
then
    GREP="grep \"^`date|cut -c5-10`\" /net/host02/report/host03_messages \
                          | egrep \"emerg|alert|crit|err|warning\"" 
    FILTER="| grep -v \"forceload of misc/md\""

    GREP="$GREP$FILTER"
    if eval "$GREP" > /tmp/host03_seriousmessages.txt
    then
        mailx -s "host03 Serious Message" $MAIL_RECEIVER < /tmp/host03_seriousmessages.txt 
    fi
fi

##############################################################################
### This script is submitted to BigAdmin by a user of the BigAdmin community.
### Sun Microsystems, Inc. is not responsible for the
### contents or the code enclosed. 
###
###
###  Copyright Sun Microsystems, Inc. ALL RIGHTS RESERVED
### Use of this software is authorized pursuant to the
### terms of the license found at
### http://www.sun.com/bigadmin/common/berkeley_license.jsp
##############################################################################