jackbenny/nagios-bootstrap
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Added copyright head, replaced hardcoded binaries in the code, added extra sanity checks etc

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Jack-Benny Persson 2014-01-01 10:26:34 +01:00
parent c8a518704c
commit ceae25a8b6
1 changed files with 51 additions and 8 deletions
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59
nagios-bootstrap.sh
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@ -1,5 +1,28 @@
#!/bin/bash
################################################################################
# #
# Copyright (C) 2014 Jack-Benny Persson <jack-benny@cyberinfo.se> #
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the Free Software #
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
# #
################################################################################
# nagios-bootstrap
# Version 0.1
# Binaries
Nmap="/usr/bin/nmap"
Sed="/bin/sed"
@ -8,6 +31,8 @@ Printf="/usr/bin/printf"
Ls="/bin/ls"
Grep="/bin/grep"
Cut="/usr/bin/cut"
Tr="/usr/bin/tr"
Head="/usr/bin/head"
# Variables
Version="0.1"
@ -22,7 +47,7 @@ done
print_usage()
{
$Printf "Usage: `basename $0` -H <host> -o <output> -h (help)\n"
$Printf "Usage: `basename $0` -H <host> -o <output-file> -h (help)\n"
}
print_help()
@ -36,31 +61,47 @@ print_help()
while getopts H:ho: Opts; do
case "$Opts" in
h) print_help
exit 1
exit 0
;;
o) Outfile="$OPTARG"
exec 1> $Outfile
;;
H) Host="$OPTARG"
;;
*) print_usage
*) print_usage >&2
exit 1
;;
esac
done
# Check if have at least two args (one option + one argument)
if [ $# -lt 2 ]; then
print_usage >&2
exit 1
fi
### Main ###
# Scan the host and save all the output in a variable
Output=`$Nmap $Host`
Output=`$Nmap $Host 2> /dev/null`
IP=`echo "$Output" | $Sed -n '3p' | tr -d '()' | awk '{ print $6 }'`
Hostname=`echo "$Output" | $Sed -n '3p' | awk '{ print $5 }'`
# Check if the host is up before contiuing
echo $Output | $Grep "Host is up" &> /dev/null
if [ $? -ne 0 ]; then
echo "Host appears to be down or host not found" >&2
exit 1
fi
# Set all the host and service variables
IP=`echo "$Output" | $Sed -n '3p' | $Tr -d '()' | $Awk '{ print $6 }'`
Hostname=`echo "$Output" | $Sed -n '3p' | $Awk '{ print $5 }'`
Alias=`echo $Hostname | $Awk -F"." '{ print $1 }'`
Services=`$Nmap $Host | $Sed -n '7,$p' | $Head -n -2 \
| $Awk '{ print $3 }'`
Services=`nmap $Host | sed -n '7,$p' | head -n -2 \
| awk '{ print $3 }'`
# Loop through the services that were found open and check if we have
# a matching Nagios check for it
Index=0
for i in ${Services[@]}; do
TempServ=`$Ls ${Plugindir}/ | $Grep $i`
@ -70,6 +111,7 @@ for i in ${Services[@]}; do
fi
done
# Print the host definition
$Printf "define host {\n"
$Printf "\thost_name\t${Hostname}\n"
$Printf "\talias\t\t${Alias}\n"
@ -77,6 +119,7 @@ $Printf "\taddress\t\t${IP}\n"
$Printf "\tuse\t\tgeneric-host\n"
$Printf "\t}\n\n"
# Loop through the services and print a service definition for each one
CheckIndex=0
for i in ${CheckCommand[@]}; do
Desc=`echo ${CheckCommand[$CheckIndex]} | $Cut -c7-50`