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#!@@GOODSH@@
# -*- sh -*-
: << =cut
=head1 NAME
ps_ - Wildcard plugin to monitor number of processes
=head1 CONFIGURATION
This is a wildcard plugin. The wildcard prefix link name should be the process
name to monitor.
This plugin uses the following configuration variables:
[ps_*]
env.regex - Regular expression used to filter output from pgrep / ps.
Whatever matches this regular expression is included in the count.
=head2 DEFAULT CONFIGURATION
The default configuration is to set "env.regex" to the link name prefix.
=head2 EXAMPLE WILDCARD USAGE
C<ln -s /usr/share/munin/node/plugins-auto/ps_ /etc/munin/node.d/ps_exim>
...will monitor number of exim-processes.
=head1 AUTHOR
Unknown author
=head1 LICENSE
GPLv2
=head1 MAGIC MARKERS
#%# family=manual
=cut
. "$MUNIN_LIBDIR/plugins/plugin.sh"
myname=$(basename "$0" | sed 's/^ps_//g')
name="${name-\<$myname\>}"
REGEX="${regex-\<$name\>}"
if [ "$1" = "config" ]; then
echo "graph_title Number of $myname processes"
echo 'graph_args --base 1000 --vertical-label processes -l 0'
echo 'graph_category processes'
echo "count.label $myname"
print_warning count
print_critical count
exit 0
fi
printf "count.value "
PGREP=/usr/bin/pgrep
if [ -x "$PGREP" ]; then
$PGREP -f -l "$name" | grep "$REGEX" | grep -v grep | wc -l
elif [ -x /usr/ucb/ps ]; then
# Solaris without pgrep. How old is that?
/usr/ucb/ps auxwww | grep "$REGEX" | grep -v grep | wc -l
else
ps auxwww | grep "$REGEX" | grep -v grep | wc -l
fi
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