#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

nullmailer_mailqueue - Plugin to graph the nullmailer queue size

=head1 CONFIGURATION

This plugin uses the following configuration variables

 [nullmailer_mailqueue]
  env.queuecmd - mailq command to execute

=head2 DEFAULT CONFIGURATION

The default configuration is

 [nullmailer_mailqueue]
  env.mtaqueue /usr/bin/mailq

=head1 AUTHOR

Sven Hoexter

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut
QUEUECMD=${queuecmd:-/usr/bin/mailq}

if [ "$1" = "autoconf" ]; then
	if [ -x "$QUEUECMD" ] ; then
		echo yes
		exit 0
	else
		echo "no (queue command ${QUEUECMD} not found)"
		exit 0
	fi
fi

if [ "$1" = "config" ]; then

	echo 'graph_title nullmailer queued mails'
	echo 'graph_order mails'
	echo 'graph_vlabel mails in queue'
	echo 'graph_category nullmailer'
	echo 'mails.label mails'
	exit 0
fi

mtamails=$(${QUEUECMD} | grep -Ec '[0-9]{4}')
echo "mails.value ${mtamails}"