Ahmed Kamal wrote:
Hi everyone,
Thanks for contacting with us, Ahmed.
This is Ahmed, I work for Ubuntu helping the cloud community. Ubuntu has been working on some hot technology, that aims to be "apt-get for the cloud"! Basically Install and manage large scale cloud deployments of web applications (and others) with the equivalent ease of "apt-get install". The reason I'm posting this here, is because the very first use-case for this technology (called Ensemble) has been MediaWiki (yaay)!
To get a feel for Ensemble, here is how you'd deploy a 4 machine Mediawiki installation DB -> MediaWiki -> memcached -> HAproxy Loadbalancer ----->8--------- # Deploy machines ensemble deploy mysql wiki-db ensemble deploy mediawiki demo-wiki ensemble deploy memcached wiki-cache ensemble deploy haproxy wiki-balancer # Connect them together! ensemble add-relation wiki-db demo-wiki:db ensemble add-relation wiki-cache demo-wiki ensemble add-relation wiki-balancer:reverseproxy demo-wiki:website ----->8--------- Slashdotted? Want to scale out? You'd need something like ensemble add-unit wiki-cache ensemble add-unit demo-wiki
Yes, it's that easy!
Well, you still need to know that you need 4 machines and what is each of them. I first got confused thinking that they were packages on a single machine. So, when you add a second demo-wiki, how is the second mediawiki configured? A simple copy ? How are further changes synced?
What about optional packages? If you are installing for a large scale cloud deployment of mediawiki you probably also want php-apc, or wikidiff2 extension.
I see you are creating your own LocalSettings.php, but the way you are installing it is really ugly. I advance you that it will break in the new installer of MediaWiki 1.17 You will have an install.php cli script there, though. (i have to admit, it is really the fault of ubuntu package that it doesn't create the database or thatit leaves the tables broken on update)
I recommend you to plan and test with 1.17 and tell us if you need some additional feature. It still could enter in the release, if it's simple enough. http://svn.wikimedia.org/svnroot/mediawiki/branches/REL1_17/phase3/
Cheers