#!/bin/sh
#
# Plugin to monitor the number of threads on a mysql-server. Faster than
# ps_mysql.
#
# Parameters:
# 	
# 	config
# 	autoconf
#
# Configuration variables
#
#	mysqlopts    - Options to pass to mysql
#
#%# family=auto
#%# capabilities=autoconf

MYSQLOPTS="$mysqlopts"
MYSQLADMIN=${mysqladmin:-mysqladmin}

if [ "$1" = "autoconf" ]; then
        $MYSQLADMIN --version 2>/dev/null >/dev/null
        if [ $? -eq 0 ]
        then
                $MYSQLADMIN $MYSQLOPTS status 2>/dev/null >/dev/null
                if [ $? -eq 0 ]
                then
                        echo yes
                        exit 0
                else
                        echo "no (could not connect to mysql)"
                fi
        else
                echo "no (mysqladmin not found)"
        fi
        exit 1
fi

if [ "$1" = "config" ]; then
	echo 'graph_title MySQL threads'
	echo 'graph_vlabel threads'
	echo 'graph_category mysql'
	echo 'threads.label mysql threads'
	echo 'graph_args --base 1000'
	exit 0
fi

/usr/bin/printf "threads.value "
($MYSQLADMIN $MYSQLOPTS status 2>/dev/null || echo 'a a a U') | awk '{print $4}'
