Sending Icinga 2 notifications via Telegram!
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

146 lines
4.4 KiB

#!/usr/bin/env bash
## /etc/icinga2/scripts/service-by-telegram.sh / 20170330
## Last updated 20190820
## Last tests used icinga2-2.11.2-1.buster
# Copyright (C) 2018 Marianne M. Spiller <github@spiller.me>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
PROG="`basename $0`"
HOSTNAME="`hostname`"
TRANSPORT="curl"
unset DEBUG
if [ -z "`which $TRANSPORT`" ] ; then
echo "$TRANSPORT not in \$PATH. Consider installing it."
exit 1
fi
Usage() {
cat << EOF
service-by-telegram notification script for Icinga 2 by spillerm <github@spiller.me>
The following are mandatory:
-4 HOSTADDRESS (\$address$)
-6 HOSTADDRESS6 (\$address6$)
-d LONGDATETIME (\$icinga.long_date_time$)
-e SERVICENAME (\$service.name$)
-l HOSTALIAS (\$host.name$)
-n HOSTDISPLAYNAME (\$host.display_name$)
-o SERVICEOUTPUT (\$service.output$)
-p TELEGRAM_BOT (\$telegram_bot$)
-q TELEGRAM_CHATID (\$telegram_chatid$)
-r TELEGRAM_BOTTOKEN (\$telegram_bottoken$)
-s SERVICESTATE (\$service.state$)
-t NOTIFICATIONTYPE (\$notification.type$)
-u SERVICEDISPLAYNAME (\$service.display_name$)
And these are optional:
-b NOTIFICATIONAUTHORNAME (\$notification.author$)
-c NOTIFICATIONCOMMENT (\$notification.comment$)
-i HAS_ICINGAWEB2 (\$icingaweb2url$, Default: unset)
-v (\$notification_logtosyslog$, Default: false)
-D DEBUG enable debug output - meant for CLI debug only
EOF
exit 1;
}
while getopts 4:6:b:c:d:e:f:hi:l:n:o:p:q:r:s:t:u:v:D opt
do
case "$opt" in
4) HOSTADDRESS=$OPTARG ;;
6) HOSTADDRESS6=$OPTARG ;;
b) NOTIFICATIONAUTHORNAME=$OPTARG ;;
c) NOTIFICATIONCOMMENT=$OPTARG ;;
d) LONGDATETIME=$OPTARG ;;
e) SERVICENAME=$OPTARG ;;
h) Usage ;;
i) HAS_ICINGAWEB2=$OPTARG ;;
l) HOSTALIAS=$OPTARG ;;
n) HOSTDISPLAYNAME=$OPTARG ;;
o) SERVICEOUTPUT=$OPTARG ;;
p) TELEGRAM_BOT=$OPTARG ;;
q) TELEGRAM_CHATID=$OPTARG ;;
r) TELEGRAM_BOTTOKEN=$OPTARG ;;
s) SERVICESTATE=$OPTARG ;;
t) NOTIFICATIONTYPE=$OPTARG ;;
u) SERVICEDISPLAYNAME=$OPTARG ;;
v) VERBOSE=$OPTARG ;;
D) DEBUG=1; echo -e "\n**********************************************\nWARNING: DEBUG MODE, DEACTIVATE ASAP\n**********************************************\n" ;;
\?) echo "ERROR: Invalid option -$OPTARG" >&2
Usage ;;
:) echo "Missing option argument for -$OPTARG" >&2
Usage ;;
*) echo "Unimplemented option: -$OPTARG" >&2
Usage ;;
esac
done
## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!"
## Build the message itself
NOTIFICATION_MESSAGE=$(cat << EOF
[$SERVICESTATE] $SERVICEDISPLAYNAME is $SERVICESTATE since $LONGDATETIME
Host: $HOSTALIAS (IPv4 $HOSTADDRESS)
More info: $SERVICEOUTPUT
EOF
)
## Is this host IPv6 capable?
if [ -n "$HOSTADDRESS6" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
IPv6? $HOSTADDRESS6"
fi
## Are there any comments? Put them into the message!
if [ -n "$NOTIFICATIONCOMMENT" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
Comment by $NOTIFICATIONAUTHORNAME:
$NOTIFICATIONCOMMENT"
fi
## Are we using Icinga Web 2? Put the URL into the message!
if [ -n "$HAS_ICINGAWEB2" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
Get live status:
$HAS_ICINGAWEB2/monitoring/host/show?host=$HOSTALIAS"
fi
## Are we verbose? Then put a message to syslog...
if [ "$VERBOSE" == "true" ] ; then
logger "$PROG sends $SUBJECT => Telegram Channel $TELEGRAM_BOT"
fi
## debug output or not?
if [ -z $DEBUG ];then
CURLARGS="--silent --output /dev/null"
else
CURLARGS=-v
set -x
echo -e "DEBUG MODE!"
fi
## And finally, send the message
/usr/bin/curl $CURLARGS \
--data-urlencode "chat_id=${TELEGRAM_CHATID}" \
--data-urlencode "text=${NOTIFICATION_MESSAGE}" \
--data-urlencode "parse_mode=HTML" \
--data-urlencode "disable_web_page_preview=true" \
"https://api.telegram.org/bot${TELEGRAM_BOTTOKEN}/sendMessage"
set +x