Munin contributed plugins

#!/bin/sh

set -e

: << =cut

=head1 NAME

loolwsd - Monitor usage (open documents and active views) and memory

usage of libreoffice online

=head1 APPLICABLE SYSTEMS

LibreOffice Online or Collabora Online or Collabora Online Development 

Edition

=head1 CONFIGURATION

Requires installed curl.

Set username, password of admin user and if required an url in your 

munin-node configuration. Default url is 

http://127.0.0.1:9980/lool/getMetrics

 [loolwsd]

 env.username <lool_admin>

 env.password <lool_password>

 env.url <lool_getmetrics_url>

You can set an administative user for loolwsd by invoking

loolconfig set-admin-password

=head1 AUTHOR

Copyright (C) 2020 Sebastian L. (https://momou.ch)

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=manual

 #%# capabilities=autoconf

=cut

. "$MUNIN_LIBDIR/plugins/plugin.sh"

STATS_URL=${url:-"http://127.0.0.1:9980/lool/getMetrics"}

USERNAME="${username:-}"

PASSWORD="${password:-}"

case $1 in

    autoconf)

        if [ -x /usr/bin/loolwsd ]; then

		if [ -x /usr/bin/curl ]; then

			curl -s -f -m 2 -I -u "$USERNAME:$PASSWORD" "$STATS_URL" | grep -iq "Content-Type: text/plain" && echo "yes" && exit 0 || echo "no (invalid or empty response from loolwsd ($STATS_URL)" && exit 0

		else

			echo "no (/usr/bin/curl not found)" && exit 0

		fi

        else

		echo "no (/usr/bin/loolwsd not found)"

		exit 0

        fi

        ;;

   config)

	echo "multigraph loolwsd_usage"

	echo "graph_title Libreoffice Online Usage"

	echo "graph_category appserver"

	echo "graph_vlabel open documents / active views"

	echo "graph_info This graph shows currently open documents and active views."

	echo "graph_args --base 1000 --lower-limit 0"

	echo "documents.label open documents"

	echo "documents.info Current number of open documents"

	echo "documents.min 0"

	echo "active_views.label active views"

	echo "active_views.info Current number of active views"

	echo "active_views.min 0"

	echo "multigraph loolwsd_memory"

	echo "graph_title Libreoffice Online Memory Usage"

	echo "graph_category appserver"

	echo "graph_vlabel memory usage of libreoffice online"

	echo "graph_info This graph shows currently used memory of libreoffice online."

	echo "graph_args --base 1000 --lower-limit 0"

	echo "memory.label used memory"

	echo "memory.info Currently used memory of libreoffice online"

	echo "memory.min 0"

	exit 0

        ;;

esac

STATS=$(curl -s -f -u "$USERNAME:$PASSWORD" "$STATS_URL")

echo "multigraph loolwsd_usage"

echo "documents.value $(echo "$STATS" | grep kit_assigned_count | cut -d " " -f 2)"

echo "active_views.value $(echo "$STATS" | grep document_active_views_active_count_total | cut -d " " -f 2)"

echo "multigraph loolwsd_memory"

echo "memory.value $(echo "$STATS" | grep global_memory_used_bytes | cut -d " " -f 2)"