Munin Plugin to monitor the number of records on a mysql-server

intra_mysql_metrics

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

: << =cut

=head1 NAME

intra_mysql_metrics - Munin Plugin to monitor the number of records on a
mysql-server


=head1 CONFIGURATION

The following environment variables are used by this plugin:

 mysqlopts - Options to pass to mysql

=head1 AUTHOR

Unknown author

=head1 LICENSE

Unknown license

=head1 MAGIC MARKERS

 #%# family=manual
 #%# capabilities=autoconf

=cut

#MYSQLOPTS="$mysqlopts"
MYSQLOPTS="-u xxxdbuser -h xxxx-db-instance.qwertyuiopas.ap-northeast-1.rds.amazonaws.com --password=xxxdbuserpass"
MYSQLADMIN=${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 0
fi

if [ "$1" = "config" ]; then
	echo 'graph_title MySQL metrics'
#	echo 'graph_args --base 1000 -l 0'
	echo 'graph_args -l 0'
	echo 'graph_vlabel count(*)'
	echo 'graph_category intra_mysql'
	echo 'graph_info Note that this is a old plugin which is no longer installed by default.  It is retained for compatability with old installations.'

echo 'users.label users'
#echo 'users.type DERIVE'
#echo 'users.type COUNTER'
echo 'users.min 0'
echo 'users.max 500000'

echo 'posts.label posts'
#echo 'posts.type DERIVE'
#echo 'posts.type COUNTER'
echo 'posts.min 0'
echo 'posts.max 500000'

echo 'groups.label groups'
#echo 'groups.type DERIVE'
#echo 'groups.type COUNTER'
echo 'groups.min 0'
echo 'groups.max 500000'

echo 'pages.label pages'
#echo 'pages.type DERIVE'
#echo 'pages.type COUNTER'
echo 'pages.min 0'
echo 'pages.max 500000'

echo 'login.label login users in 5 mins.'
#echo 'login.type DERIVE'
#echo 'login.type COUNTER'
echo 'longin.min 0'
echo 'login.max 500000'

exit 0

fi

#/usr/bin/printf "usres.value "
#/usr/bin/mysql -B -e "select count(*) from users;" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'


#/usr/bin/printf "queries.value "
#($MYSQLADMIN $MYSQLOPTS status 2>/dev/null || echo a a a a a a a a U) | awk '{print $9}'


/usr/bin/printf "users.value "
mysql -B -e "select count(*) from users;" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'

/usr/bin/printf "posts.value "
mysql -B -e "select count(*) from posts;" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'

/usr/bin/printf "groups.value "
mysql -B -e "select count(*) from groups;" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'

/usr/bin/printf "pages.value "
mysql -B -e "select count(*) from pages;" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'


/usr/bin/printf "login.value "
mysql -B -e "select count(*) from users where current_sign_in_at > date_sub(now(), interval 5 minute);" $MYSQLOPTS xxxdb 2>/dev/null | tail -n +2 |  awk '{print $1}'