Piwik for this blog

Tue 18 February 2014
By makefu

I was looking for a simple analytics tool for this blog. As everyone seems to be using piwik and everyone loves docker for rapid deployment. As i am always short on resources on all my machines i decided to deploy piwik on another of my VMs which is mediengewitter.krebsco.de instead of directly on euer.krebsco.de Again it was a case of 'how-hard-can-it-be?'. Turns out everything is much harder than expected. As always this this is the digest of some hours work.

Installing piwik in docker

After testing out all kinds of non-working Dockerfiles, this is what worked for me:

git clone https://github.com/makefu/docker-piwik.git piwik
cd piwik
./build

# if you want persistence, see:
mkdir -p /media/ext/piwik/{www,mysql}
cat README

Running piwik

Because docker handles it's own network, the docker image port 80 must be forwarded to the host (i use 10000). Also i want data persistence via exported filesystems.

docker run -p=10000:80 -d
  \ -v /media/ext/piwik/www:/var/www
  \ -v /media/ext/piwik/mysql:/var/lib/mysql piwik
# or ./run

Adding piwik to pelican

Integration of piwik tracking to pelican should be straight forward, just add the following to your pelicanconf.py:

PIWIK_URL='mediengewitter.krebsco.de:10000'
# first piwik site is always id 1
PIWIK_SITE_ID=1

Bit nothing seemed to be happening, turns out my theme of choice does not support piwik so i had to add this feature explicitly to the skin (by stealing the code from another theme). I created a pull request for my code: https://github.com/getpelican/pelican-themes/pull/195 . If it will never be merged, use my repository for themes:

cd <pelican-dir>
git clone git@github.com:makefu/pelican-themes.git -b add-piwik-to-gum themes

Add piwik to another skin

If you are using another skin without piwik integration, this is basically what you need to do:

  1. Add piwik.html to '<skin>/templates'
{% if PIWIK_URL and PIWIK_SITE_ID %}
<script type="text/javascript">
{% if PIWIK_SSL_URL %}
    var pkBaseURL = (("https:" == document.location.protocol) ? "https://{{ PIWIK_SSL_URL }}/" : "http://{{ PIWIK_URL }}/");
{% else %}
    var pkBaseURL = (("https:" == document.location.protocol) ? "https://{{ PIWIK_URL }}/" : "http://{{ PIWIK_URL }}/");
{% endif %}
document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
</script><script type="text/javascript">
try {
var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", {{ PIWIK_SITE_ID }});
piwikTracker.trackPageView();
piwikTracker.enableLinkTracking();
} catch( err ) {}
</script><noscript><p><img src="http://{{ PIWIK_URL }}/piwik.php?idsite={{ PIWIK_SITE_ID }}" style="border:0" alt="" /></p></noscript>
{% endif %}
  1. Add this line somewhere near the end but before </body></html> to '<skin>/templates/base.html':
...
{% include 'piwik.html' %}
...

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