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|
#!/usr/bin/env bash
# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
# Except of function urlencode which is Copyright (C) by Brian White (brian@aljex.com) used under MIT license
PROG="`basename $0`"
ICINGA2HOST="`hostname`"
MAILBIN="mail"
if [ -z "`which $MAILBIN`" ] ; then
echo "$MAILBIN not found in \$PATH. Consider installing it."
exit 1
fi
## Function helpers
Usage() {
cat << EOF
Required parameters:
-d LONGDATETIME (\$icinga.long_date_time\$)
-l HOSTNAME (\$host.name\$)
-n HOSTDISPLAYNAME (\$host.display_name\$)
-o HOSTOUTPUT (\$host.output\$)
-r USEREMAIL (\$user.email\$)
-s HOSTSTATE (\$host.state\$)
-t NOTIFICATIONTYPE (\$notification.type\$)
Optional parameters:
-4 HOSTADDRESS (\$address\$)
-6 HOSTADDRESS6 (\$address6\$)
-X HOSTNOTES (\$host.notes\$)
-b NOTIFICATIONAUTHORNAME (\$notification.author\$)
-c NOTIFICATIONCOMMENT (\$notification.comment\$)
-i ICINGAWEB2URL (\$notification_icingaweb2url\$, Default: unset)
-f MAILFROM (\$notification_mailfrom\$, requires GNU mailutils (Debian/Ubuntu) or mailx (RHEL/SUSE))
-v (\$notification_sendtosyslog\$, Default: false)
EOF
}
Help() {
Usage;
exit 0;
}
Error() {
if [ "$1" ]; then
echo $1
fi
Usage;
exit 1;
}
urlencode() {
local LANG=C i=0 c e s="$1"
while [ $i -lt ${#1} ]; do
[ "$i" -eq 0 ] || s="${s#?}"
c=${s%"${s#?}"}
[ -z "${c#[[:alnum:].~_-]}" ] || c=$(printf '%%%02X' "'$c")
e="${e}${c}"
i=$((i + 1))
done
echo "$e"
}
## Main
while getopts 4:6::b:c:d:f:hi:l:n:o:r:s:t:v:X: opt
do
case "$opt" in
4) HOSTADDRESS=$OPTARG ;;
6) HOSTADDRESS6=$OPTARG ;;
b) NOTIFICATIONAUTHORNAME=$OPTARG ;;
c) NOTIFICATIONCOMMENT=$OPTARG ;;
d) LONGDATETIME=$OPTARG ;; # required
f) MAILFROM=$OPTARG ;;
h) Help ;;
i) ICINGAWEB2URL=$OPTARG ;;
l) HOSTNAME=$OPTARG ;; # required
n) HOSTDISPLAYNAME=$OPTARG ;; # required
o) HOSTOUTPUT=$OPTARG ;; # required
X) HOSTNOTES=$OPTARG ;;
r) USEREMAIL=$OPTARG ;; # required
s) HOSTSTATE=$OPTARG ;; # required
t) NOTIFICATIONTYPE=$OPTARG ;; # required
v) VERBOSE=$OPTARG ;;
\?) echo "ERROR: Invalid option -$OPTARG" >&2
Error ;;
:) echo "Missing option argument for -$OPTARG" >&2
Error ;;
*) echo "Unimplemented option: -$OPTARG" >&2
Error ;;
esac
done
shift $((OPTIND - 1))
## Keep formatting in sync with mail-service-notification.sh
for P in LONGDATETIME HOSTNAME HOSTDISPLAYNAME HOSTOUTPUT HOSTSTATE USEREMAIL NOTIFICATIONTYPE ; do
eval "PAR=\$${P}"
if [ ! "$PAR" ] ; then
Error "Required parameter '$P' is missing."
fi
done
## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"
## Build the notification message
NOTIFICATION_MESSAGE=`cat << EOF
***** Host Monitoring on $ICINGA2HOST *****
$HOSTDISPLAYNAME is $HOSTSTATE!
Info: $HOSTOUTPUT
When: $LONGDATETIME
Host: $HOSTNAME
EOF
`
## Check whether IPv4 was specified.
if [ -n "$HOSTADDRESS" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
IPv4: $HOSTADDRESS"
fi
## Check whether IPv6 was specified.
if [ -n "$HOSTADDRESS6" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
IPv6: $HOSTADDRESS6"
fi
## Check whether host notes was specified.
if [ -n "$HOSTNOTES" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
Host notes: $HOSTNOTES"
fi
## Check whether author and comment was specified.
if [ -n "$NOTIFICATIONCOMMENT" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
Comment by $NOTIFICATIONAUTHORNAME:
$NOTIFICATIONCOMMENT"
fi
## Check whether Icinga Web 2 URL was specified.
if [ -n "$ICINGAWEB2URL" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
$ICINGAWEB2URL/icingadb/host?name=$(urlencode "$HOSTNAME")"
fi
## Check whether verbose mode was enabled and log to syslog.
if [ "$VERBOSE" = "true" ] ; then
logger "$PROG sends $SUBJECT => $USEREMAIL"
fi
## Send the mail using the $MAILBIN command.
## If an explicit sender was specified, try to set it.
if [ -n "$MAILFROM" ] ; then
## Modify this for your own needs!
## Debian/Ubuntu use mailutils which requires `-a` to append the header
if [ -f /etc/debian_version ]; then
/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" | $MAILBIN -a "From: $MAILFROM" -s "$SUBJECT" $USEREMAIL
## Other distributions (RHEL/SUSE/etc.) prefer mailx which sets a sender address with `-r`
else
/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" | $MAILBIN -r "$MAILFROM" -s "$SUBJECT" $USEREMAIL
fi
else
/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" \
| $MAILBIN -s "$SUBJECT" $USEREMAIL
fi
|
