Munin contributed plugins

#!/bin/sh

##########################

# reddit_karma_

##########################

# Munin Plugin to track the karma activity of a Reddit user.

# 

# Copyright 2012 Mark Caudill <mark AT caudill DOT me>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of    

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#

# Usage:

# Create symbolic link from /etc/munin/plugins/reddit_karma_your_username

# to /usr/share/munin/plugins/reddit_karma_

#

# Get the Reddit username by parsing this scripts filename.

reddit_user=${0##*reddit_karma_}

##

# autoconf

##

if [ "$1" = "autoconf" ]; then

    # Check that curl is installed

    if command -v curl >/dev/null 2>&1; then

        echo "yes"

    else

        echo "no (no curl installed)"

    fi

    exit 0

fi

##

# config

##

if [ "$1" = "config" ]; then

    echo "graph_title Reddit Karma for $reddit_user"

    echo 'graph_vlabel karma'

    echo 'graph_args --base 1000'

    echo 'graph_scale no'

    echo 'graph_vlabel Link Karma'

    echo 'graph_category forum'

    echo 'comment_karma.label Comment Karma'

    echo 'comment_karma.draw LINE'

    echo 'link_karma.label Link Karma'

    echo 'link_karma.draw LINE'

    exit 0

fi

##

# Main

##

# Get current karma stats.

about_user_url="http://www.reddit.com/user/${reddit_user}/about.json"

link_karma=$(curl -s "$about_user_url" | grep -Eo 'link_karma": [0-9]+' | cut -d' ' -f2)

comment_karma=$(curl -s "$about_user_url" | grep -Eo 'comment_karma": [0-9]+' | cut -d' ' -f2)

# Output karma stats.

echo "link_karma.value $link_karma"

echo "comment_karma.value $comment_karma"