128 lines
2.8 KiB
Bash
Executable file
128 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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# This script's purpose is to launch check_nrpe through stunnel
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# in a transparent way
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# - Nagios/Shinken launch "check_nrpe_stunnel -H host -c command"
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# - this script looks up in a database (-d option) to redirect the
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# call to the local port of the stunnel
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#
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# This script needs :
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# - nrpe daemon on the remote host
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# - stunnel in server mode on the remote host
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# - stunnel in client mode on the local (nagios/shinken) host
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# - a database (cf help message)
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# TODO : copy stunnel conf.
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# Default options
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NAGIOS_CHECKNRPE="/usr/lib/nagios/plugins/check_nrpe"
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DATABASE="/etc/nagios/check_nrpe_stunnel.lst"
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# Par défaut, on arrête le script à la première erreur non "catchée"
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set -e
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PROGPATH=$( echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,' )
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REVISION="0.1"
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. $PROGPATH/utils.sh
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# Fonctions
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# affiche le message d'aide
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usage() {
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cat <<EOF
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$0 -d <database> -C <check_nrpe path> -H <host> -c <command> ... (cf. check_nrpe_options)
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$0 -h
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-h : ce message d'aide
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Database is a text file with two fields, separated by tabulation. The first
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is the local port for stunnel to join the host in the second field.
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Example :
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5678 bdd.localdomain
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5679 proxmox.localdomain
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5680 backup.localdomain
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(for examples of how to setup stunnel, cf. comments in this script)
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Default options :
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Database : $DATABASE
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check_nrpe path : $NAGIOS_CHECKNRPE
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EOF
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}
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# Début du code
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# gestion des options de lancement
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while getopts d:H:c:C:nut:a: f; do
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case $f in
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'a')
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NAGIOS_ARGLIST="$OPTARG"
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;;
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'c')
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NAGIOS_COMMAND="$OPTARG"
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;;
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'C')
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NAGIOS_CHECKNRPE="$OPTARG"
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;;
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'd')
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DATABASE="$OPTARG"
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;;
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'H')
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NAGIOS_HOST="$OPTARG"
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;;
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'n')
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NAGIOS_NOSSL="1"
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;;
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't')
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NAGIOS_TIMEOUT="$OPTARG"
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;;
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'u')
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NAGIOS_SOCKET_NONCRITICALTIMEOUT="1"
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;;
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'h')
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usage
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exit 0
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;;
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\?)
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usage >&2
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exit 1
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;;
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esac
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done
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#(code inutile, mais que je garde parce qu'on ne sait jamais)
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#shift $( expr $OPTIND - 1 )
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#DATA="$1"
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# Petite vérif.
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if [ ! -f "$DATABASE" ]; then
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echo "UNKNOWN: no check_nrpe_stunnel database found."
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exit $STATE_UNKNOWN
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fi
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if [ ! -f "$NAGIOS_CHECKNRPE" ]; then
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echo "UNKNOWN: check_nrpe_stunnel could not find check_nrpe (-C flag)."
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exit $STATE_UNKNOWN
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fi
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# Lookup for host in database
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STUNNEL_PORT="$( grep -w "^$NAGIOS_HOST" "$DATABASE" | head -n 1 | cut -f 2 )"
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if [ -z "$STUNNEL_PORT" ]; then
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echo "UNKNOWN: Host not found in check_nrpe_stunnel database."
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exit $STATE_UNKNOWN
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fi
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$NAGIOS_CHECKNRPE -H localhost -p $STUNNEL_PORT \
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$( test -n "$NAGIOS_SOCKET_NONCRITICALTIMEOUT" && printf "%s" "-u" ) \
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$( test -n "$NAGIOS_NOSSL" && printf "%s" "-n" ) \
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$( test -n "$NAGIOS_TIMEOUT" && printf "%s %d" "-t" "$NAGIOS_TIMEOUT" ) \
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$( test -n "$NAGIOS_COMMAND" && printf "%s %s" "-c" "$NAGIOS_COMMAND" ) \
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$( test -n "$NAGIOS_ARGLIST" && printf "%s %s" "-a" "$NAGIOS_ARGLIST" )
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