First commit

nagios-bootstrap.sh

@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Binaries
+Nmap="/usr/bin/nmap"
+Sed="/bin/sed"
+Awk="/usr/bin/awk"
+Printf="/usr/bin/printf"
+Ls="/bin/ls"
+Grep="/bin/grep"
+Cut="/usr/bin/cut"
+
+# Variables
+Version="0.1"
+Plugindir="dummy_checks"
+
+# Sanity check
+for Bin in $Nmap $Sed $Awk $Printf; do
+	if [ ! -x $Bin ]; then
+		echo "Can't execute $Bin"
+	fi
+done
+
+print_usage()
+{
+	$Printf "Usage: `basename $0` -H <host> -o <output> -h (help)\n"
+}
+
+print_help()
+{
+	$Printf "-h This help screen\n"
+	$Printf "-H Host to scan and bootstrap for Nagios\n"
+	$Printf "-o Output file to save the configuration file in\n"
+}
+
+# Parse options and arguments
+while getopts H:ho: Opts; do
+	case "$Opts" in
+	h) print_help
+	   exit 1
+	   ;;
+	o) Outfile="$OPTARG"
+	   exec 1> $Outfile
+	   ;;
+	H) Host="$OPTARG"
+	   ;;
+	*) print_usage
+	   exit 1
+	   ;;
+	esac
+done
+
+### Main ###
+
+# Scan the host and save all the output in a variable
+Output=`$Nmap $Host`
+
+IP=`echo "$Output" | $Sed -n '3p' | tr -d '()' | awk '{ print $6 }'`
+Hostname=`echo "$Output" | $Sed -n '3p' | awk '{ print $5 }'`
+Alias=`echo $Hostname | $Awk -F"." '{ printf $1 }'`
+
+Services=`nmap labrat.nixnet.jke | sed -n '7,$p' | head -n -2 \
+	| awk '{ print $3 }'`
+
+Index=0
+for i in ${Services[@]}; do
+	TempServ=`$Ls ${Plugindir}/ | $Grep $i`
+	if [ $? -eq 0 ]; then
+		CheckCommand[$Index]=$TempServ
+		((Index++))
+	fi
+done
+
+$Printf "define host {\n"
+$Printf "\thost_name\t${Hostname}\n"
+$Printf "\talias\t\t${Alias}\n"
+$Printf "\taddress\t\t${IP}\n"
+$Printf "\tuse\t\tgeneric-host\n"
+$Printf "\t}\n\n"
+
+CheckIndex=0
+for i in ${CheckCommand[@]}; do
+	Desc=`echo ${CheckCommand[$CheckIndex]} | $Cut -c7-50`
+	$Printf "define service {\n"
+	$Printf "\tuse\t\t\tgeneric-service\n"
+	$Printf "\thost_name\t\t${Hostname}\n"
+	$Printf "\tservice_description\t${Desc}\n"
+	$Printf "\tcheck_command\t\t${CheckCommand[$CheckIndex]}\n"
+	$Printf "}\n\n"
+	((CheckIndex++))
+done
+
+exit 0

sample.cfg

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+define host {
+        host_name   labrat.example.com
+        alias       labrat
+        address     192.168.0.27
+        use         generic-host
+        }
+
+define service {
+
+        use             generic-service
+        host_name       labrat.example.com
+        service_description     HTTP
+        check_command   check_http
+        }
+

sampleoutput.txt

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+
+Starting Nmap 6.00 ( http://nmap.org ) at 2013-12-31 19:47 CET
+Nmap scan report for labrat.nixnet.jke (192.168.0.27)
+Host is up (0.026s latency).
+Not shown: 996 closed ports
+PORT    STATE SERVICE
+22/tcp  open  ssh
+80/tcp  open  http
+111/tcp open  rpcbind
+514/tcp open  shell
+
+Nmap done: 1 IP address (1 host up) scanned in 1.76 seconds

testconf.cfg

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+define host {
+	host_name	labrat.nixnet.jke
+	alias		labrat
+	ddress		192.168.0.27
+	use		generic-host
+	}
+
+define service {
+	use			generic-service
+	host_name		labrat.nixnet.jke
+	service_description	ssh
+	check_command		check_ssh
+}
+
+define service {
+	use			generic-service
+	host_name		labrat.nixnet.jke
+	service_description	http
+	check_command		check_http
+}
+