/usr/share/munin/plugins/sendmail_mailtraffic is in munin-node 1.4.6-3ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# -*- sh -*-
: << =cut
=head1 NAME
sendmail_mailtraffic - Plugin to monitor sendmail statistics
=head1 CONFIGURATION
This plugin uses the following configuration variables:
[sendmail_mailstats]
env.mailstats - Path to the "mailstats" command
=head2 DEFAULT CONFIGURATION
The default configuration for "mailstats" is to look for a binary called "mailstats" in PATH.
=head1 AUTHOR
Unknown author
=head1 LICENSE
Unknown license
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
if [ -n "$mailstats" ];
then MAILSTATS=$mailstats;
else MAILSTATS=`which mailstats 2>/dev/null`;
fi
if [ "$1" = "autoconf" ]; then
if [ -n "$MAILSTATS" -a -x "$MAILSTATS" ]
then echo yes
else echo "no (no mailstats command)"
fi
exit 0
fi
if [ "$1" = "config" ]; then
echo "graph_title Sendmail email volumes"
echo "graph_order received sent"
echo 'graph_vlabel bytes/${graph_period}'
echo "graph_category sendmail"
echo "received.label received"
echo "sent.label sent"
echo "received.max 1000000"
echo "received.min 0"
echo "sent.max 1000000"
echo "sent.min 0"
echo "received.type DERIVE"
echo "sent.type DERIVE"
exit 0
fi
$MAILSTATS -P | awk '/^ *T/ {
received = received + $5
sent = sent + $3
}
END {
print "received.value", received
print "sent.value", sent
}'
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