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wordpress-multisite
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#!/bin/sh
# wordpress-multisite plugin
: <<=cut
=head1 NAME
Wordpress-Multisite Munin Plugin
A Munin plugin to monitor posts, comments and pingbacks from every multisite instance.
It uses multigraphs and also shows the combined number of posts, comments, pingbacks, instances and users.
Most database queries came from the wordpress-mu-plugin which was written by Andre Darafarin and Chris Bair
=head1 CONFIGURATION
The plugin need access to the wordpress database
=head2 Config file
Create the config file plugin-conf.d/wordpress with the following values:
[wordpress*]
env.mysqlopts # I.e. -uroot -prootpass
env.mysqlconnection # Defaults to -hlocalhost
env.database # I.e. wordpress
env.dbprefix # Defaults to wp_
env.networksize # Blogs are ordered by id in multigraph view. This value should contain the numbers
# of digits that are needed to fit all the blog id's in. This value influences the
# designation of data to munin and it will start collecting fresh data if you change
# this number. Defaults to 2, (so networks with <= 99 blogs will be sorted correctly)
=head1 VERSION
Version 0.4 (2017-01-13)
=head1 AUTHOR
Jonas Palm <jonaspalm . posteo . de>
=head1 LICENSE
GPLv3 or higher
=cut
# fill vars
DB_OPTIONS=${mysqlopts}
DB_CONNECTION=${mysqlconnection:--hlocalhost}
DB_NAME=${database}
DB_PREFIX=${dbprefix:-wp_}
NETWORK_SIZE=${network_size:-2}
MYSQL_CMD=$(which mysql)
# wp_get dataname [blogid]
wp_get() {
local DB_QUERY=
local BLOGID=
if [ -n "$2" ] && [ "$2" -gt "1" ]; then
# DB prefix for every wordpress instance in the network
# Nr 1 is the main network blog and doesn't has a prefix
BLOGID=${2}_
fi
case $1 in
comments) DB_QUERY="SELECT COUNT(*) FROM ${DB_PREFIX}${BLOGID}comments WHERE comment_approved = '1' AND comment_type = '';" ;;
ids) DB_QUERY="SELECT blog_id FROM ${DB_PREFIX}blogs;" ;;
pingbacks) DB_QUERY="SELECT COUNT(*) FROM ${DB_PREFIX}${BLOGID}comments WHERE comment_approved = '1' AND comment_type = 'pingback';" ;;
posts) DB_QUERY="SELECT COUNT(*) FROM ${DB_PREFIX}${BLOGID}posts WHERE post_status = 'publish' AND post_password = '' AND post_type = 'post';" ;;
title) DB_QUERY="SELECT option_value FROM ${DB_PREFIX}${BLOGID}options WHERE option_name = 'siteurl';" ;;
users) DB_QUERY="SELECT COUNT(*) FROM ${DB_PREFIX}users;"
esac
"$MYSQL_CMD" $DB_CONNECTION $DB_OPTIONS "$DB_NAME" --column-names=0 -s --execute="$DB_QUERY"
}
# whole network
if [ "$1" = "config" ]; then
echo "multigraph wordpress"
echo "graph_title Wordpress Mulitsite"
echo "graph_order instances users posts comments pingbacks"
echo "graph_vlabel Wordpress"
echo "graph_category Wordpress"
echo "graph_info Some Statistics of Wordpress"
echo "instances.label Instances"
echo "users.label Users"
echo "posts.label Posts"
echo "comments.label Comments"
echo "pingbacks.label Pingbacks"
else
for n in $(wp_get ids); do
POSTS=$((POSTS + $(wp_get posts "$n")))
COMMENTS=$((COMMENTS + $(wp_get comments "$n")))
PINGBACKS=$((PINGBACKS + $(wp_get pingbacks "$n")))
CNT=$((CNT + 1))
done
echo "multigraph wordpress"
echo "posts.value $POSTS"
echo "comments.value $COMMENTS"
echo "pingbacks.value $PINGBACKS"
echo "instances.value $CNT"
echo "users.value $(wp_get users)"
fi
# single blogs
for n in $(wp_get ids); do
blogid_sortable="$(printf "%0${NETWORK_SIZE}d" "$n")"
if [ "$1" = "config" ]; then
echo "multigraph wordpress.site_${blogid_sortable}"
echo "graph_title $(wp_get title "$n")"
echo "graph_order posts comments pingbacks"
echo "graph_vlabel Wordpress ID ${blogid_sortable}"
echo "posts.label Posts"
echo "comments.label Comments"
echo "pingbacks.label Pingbacks"
else
echo "multigraph wordpress.site_${blogid_sortable}"
echo "posts.value $(wp_get posts "$n")"
echo "comments.value $(wp_get comments "$n")"
echo "pingbacks.value $(wp_get pingbacks "$n")"
fi
done