145 lines
4.3 KiB
Bash
Executable File
145 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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## /etc/icinga2/scripts/host-by-telegram.sh / 20170330
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## Last updated 20190820
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## Last tests used 2.11.2-1.buster
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# Copyright (C) 2018 Marianne M. Spiller <github@spiller.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROG="`basename $0`"
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HOSTNAME="`hostname`"
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TRANSPORT="curl"
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unset DEBUG
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if [ -z "`which $TRANSPORT`" ] ; then
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echo "$TRANSPORT not in \$PATH. Consider installing it."
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exit 1
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fi
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Usage() {
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cat << EOF
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host-by-mail notification script for Icinga 2 by spillerm <github@spiller.me>
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The following are mandatory:
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-4 HOSTADDRESS (\$address$)
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-6 HOSTADDRESS6 (\$address6$)
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-d LONGDATETIME (\$icinga.long_date_time$)
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-l HOSTALIAS (\$host.name$)
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-n HOSTDISPLAYNAME (\$host.display_name$)
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-o HOSTOUTPUT (\$host.output$)
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-p TELEGRAM_BOT (\$telegram_bot$)
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-q TELEGRAM_CHATID (\$telegram_chatid$)
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-r TELEGRAM_BOTTOKEN (\$telegram_bottoken$)
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-s HOSTSTATE (\$host.state$)
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-t NOTIFICATIONTYPE (\$notification.type$)
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And these are optional:
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-b NOTIFICATIONAUTHORNAME (\$notification.author$)
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-c NOTIFICATIONCOMMENT (\$notification.comment$)
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-i HAS_ICINGAWEB2 (\$icingaweb2url$, Default: unset)
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-v (\$notification_logtosyslog$, Default: false)
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-D DEBUG enable debug output - meant for CLI debug only
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EOF
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exit 1;
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}
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while getopts 4:6::b:c:d:hi:l:n:o:p:q:r:s:t:u:v:D opt
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do
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case "$opt" in
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4) HOSTADDRESS=$OPTARG ;;
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6) HOSTADDRESS6=$OPTARG ;;
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b) NOTIFICATIONAUTHORNAME=$OPTARG ;;
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c) NOTIFICATIONCOMMENT=$OPTARG ;;
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d) LONGDATETIME=$OPTARG ;;
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h) Usage ;;
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i) HAS_ICINGAWEB2=$OPTARG ;;
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l) HOSTALIAS=$OPTARG ;;
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n) HOSTDISPLAYNAME=$OPTARG ;;
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o) HOSTOUTPUT=$OPTARG ;;
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p) TELEGRAM_BOT=$OPTARG ;;
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q) TELEGRAM_CHATID=$OPTARG ;;
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r) TELEGRAM_BOTTOKEN=$OPTARG ;;
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s) HOSTSTATE=$OPTARG ;;
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t) NOTIFICATIONTYPE=$OPTARG ;;
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v) VERBOSE=$OPTARG ;;
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D) DEBUG=1; echo -e "\n**********************************************\nWARNING: DEBUG MODE, DEACTIVATE ASAP\n**********************************************\n" ;;
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\?) echo "ERROR: Invalid option -$OPTARG" >&2
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Usage ;;
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:) echo "Missing option argument for -$OPTARG" >&2
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Usage ;;
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*) echo "Unimplemented option: -$OPTARG" >&2
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Usage ;;
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esac
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done
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## Build the message's subject
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SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!"
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## Build the message itself
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NOTIFICATION_MESSAGE=$(cat << EOF
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$HOSTDISPLAYNAME ($HOSTALIAS) is $HOSTSTATE!
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When? $LONGDATETIME
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Info? $HOSTOUTPUT
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Host? $HOSTALIAS
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IPv4? $HOSTADDRESS
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EOF
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)
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## Is this host IPv6 capable?
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if [ -n "$HOSTADDRESS6" ] ; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
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IPv6? $HOSTADDRESS6"
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fi
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## Are there any comments? Put them into the message!
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if [ -n "$NOTIFICATIONCOMMENT" ] ; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
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Comment by $NOTIFICATIONAUTHORNAME:
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$NOTIFICATIONCOMMENT"
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fi
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## Are we using Icinga Web 2? Put the URL into the message!
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if [ -n "$HAS_ICINGAWEB2" ] ; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
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Get live status:
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$HAS_ICINGAWEB2/monitoring/host/show?host=$HOSTALIAS"
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fi
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## Build the message's subject
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SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"
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## Are we verbose? Then put a message to syslog...
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if [ "$VERBOSE" == "true" ] ; then
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logger "$PROG sends $SUBJECT => Telegram Channel $TELEGRAM_BOT"
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fi
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## debug output or not
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if [ -z $DEBUG ];then
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CURLARGS="--silent --output /dev/null"
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else
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CURLARGS=-v
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set -x
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echo -e "DEBUG MODE!"
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fi
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## And finally, send the message
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/usr/bin/curl $CURLARGS \
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--data-urlencode "chat_id=${TELEGRAM_CHATID}" \
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--data-urlencode "text=${NOTIFICATION_MESSAGE}" \
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--data-urlencode "parse_mode=HTML" \
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--data-urlencode "disable_web_page_preview=true" \
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"https://api.telegram.org/bot${TELEGRAM_BOTTOKEN}/sendMessage"
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set +x
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