159 lines
4.1 KiB
Bash
159 lines
4.1 KiB
Bash
#!/bin/bash
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# Based on original E-Mail Icinga2 notification
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PROG="$(basename $0)"
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ICINGA2HOST="$(hostname)"
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CURLBIN="curl"
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MX_TXN="$(date "+%s")$((RANDOM % 9999))"
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if [ -z "$(which $CURLBIN)" ]; then
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echo "$CURLBIN not found in \$PATH. Consider installing it."
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exit 1
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fi
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warn_ico="⚠"
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error_ico="❌"
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ok_ico="🆗"
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question_ico="❓"
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#Set the message icon based on service state
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# For nagios, replace ICINGA_ with NAGIOS_ to get the environment variables from Nagios
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## Function helpers
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Usage() {
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cat <<EOF
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Required parameters:
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-d LONGDATETIME (\$icinga.long_date_time\$)
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-l HOSTNAME (\$host.name\$)
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-n HOSTDISPLAYNAME (\$host.display_name\$)
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-o HOSTOUTPUT (\$host.output\$)
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-s HOSTSTATE (\$host.state\$)
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-t NOTIFICATIONTYPE (\$notification.type\$)
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-m MATRIXROOM (\$notification_matrix_room_id\$)
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-x MATRIXSERVER (\$notification_matrix_server\$)
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-y MATRIXTOKEN (\$notification_matrix_token\$)
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Optional parameters:
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-4 HOSTADDRESS (\$address\$)
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-6 HOSTADDRESS6 (\$address6\$)
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-b NOTIFICATIONAUTHORNAME (\$notification.author\$)
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-c NOTIFICATIONCOMMENT (\$notification.comment\$)
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-i ICINGAWEB2URL (\$notification_icingaweb2url\$, Default: unset)
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EOF
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}
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Help() {
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Usage
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exit 1
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}
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Error() {
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if [ "$1" ]; then
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echo $1
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fi
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Usage
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exit 1
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}
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## Main
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while getopts 4:6::b:c:d:hi:l:n:o:s:t:m:x:y: opt; do
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case "$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=$OPTARG ;; # required
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h) Help ;;
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i) ICINGAWEB2URL=$OPTARG ;;
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l) HOSTNAME=$OPTARG ;; # required
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n) HOSTDISPLAYNAME=$OPTARG ;; # required
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o) HOSTOUTPUT=$OPTARG ;; # required
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s) HOSTSTATE=$OPTARG ;; # required
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t) NOTIFICATIONTYPE=$OPTARG ;; # required
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m) MATRIXROOM=$OPTARG ;; # required
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x) MATRIXSERVER=$OPTARG ;; # required
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y) MATRIXTOKEN=$OPTARG ;; # required
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\?)
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echo "ERROR: Invalid option -$OPTARG" >&2
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Error
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;;
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:)
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echo "Missing option argument for -$OPTARG" >&2
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Error
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;;
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*)
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echo "Unimplemented option: -$OPTARG" >&2
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Error
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;;
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esac
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done
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shift $((OPTIND - 1))
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## Check required parameters (TODO: better error message)
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if [ ! "$LONGDATETIME" ] ||
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[ ! "$HOSTNAME" ] || [ ! "$HOSTDISPLAYNAME" ] ||
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[ ! "$HOSTOUTPUT" ] || [ ! "$HOSTSTATE" ] ||
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[ ! "$NOTIFICATIONTYPE" ]; then
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Error "Requirement parameters are missing."
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fi
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## Build the notification message
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if [ "$HOSTSTATE" = "UP" ]; then
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ICON=$ok_ico
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elif [ "$HOSTSTATE" = "DOWN" ]; then
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ICON=$error_ico
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fi
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if [ "$HOSTSTATE" = "UNKNOWN" ]; then
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ICON=$question_ico
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elif [ "$ICINGA_SERVICESTATE" = "OK" ]; then
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ICON=$ok_ico
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elif [ "$ICINGA_SERVICESTATE" = "WARNING" ]; then
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ICON=$warn_ico
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elif [ "$ICINGA_SERVICESTATE" = "CRITICAL" ]; then
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ICON=$error_ico
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fi
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NOTIFICATION_MESSAGE=$(
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cat <<EOF
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$ICON <b>HOST:</b> $HOSTDISPLAYNAME is <b>$HOSTSTATE!</b> <br/>
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<b>When:</b> $LONGDATETIME<br/>
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<b>Info:</b> $HOSTOUTPUT<br/>
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EOF
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)
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## Check whether IPv4 was specified.
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if [ -n "$HOSTADDRESS" ]; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE <b>IPv4:</b> $HOSTADDRESS <br/>"
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fi
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## Check whether IPv6 was specified.
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if [ -n "$HOSTADDRESS6" ]; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE <b>IPv6:</b> $HOSTADDRESS6 <br/>"
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fi
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## Check whether author and comment was specified.
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if [ -n "$NOTIFICATIONCOMMENT" ]; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE Comment by <b>$NOTIFICATIONAUTHORNAME:</b> $NOTIFICATIONCOMMENT <br/>"
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fi
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## Check whether Icinga Web 2 URL was specified.
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if [ -n "$ICINGAWEB2URL" ]; then
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NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE $ICINGAWEB2URL/monitoring/host/show?host=$HOSTNAME <br/>"
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fi
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while read line; do
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message="${message}\n${line}"
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done <<<$NOTIFICATION_MESSAGE
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BODY="${message}"
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/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" | $CURLBIN -k -X PUT --header 'Content-Type: application/json' --header 'Accept: application/json' -d "{
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\"msgtype\": \"m.text\",
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\"body\": \"$BODY\",
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\"formatted_body\": \"$BODY\",
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\"format\": \"org.matrix.custom.html\"
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}" "$MATRIXSERVER/_matrix/client/r0/rooms/$MATRIXROOM/send/m.room.message/$MX_TXN?access_token=$MATRIXTOKEN"
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