Setup MediaWiki on AWS

D. Thiebaut (talk) 16:44, 13 January 2018 (EST)

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This page contains very sketchy steps for setting up (in my case moving) an existing mediawiki installation to AWS. This list is mostly for myself to remember what steps I have taken.

Mediawiki Installation/Upgrade

• Follow the steps from https://www.mediawiki.org/wiki/Manual:Upgrading
• Download the new mediawiki in a directory belonging to the Web server
• unzip/untar.
• Create new MySql user/password/database on localhost (same host as Web server)
• Verify that base directory of mediawiki installation is accessible from a browser by putting a phpinfo.php file in it and loading it up with browser.
• use browser and point to /mw-config in the mediawiki web directory. Enter database information.
• Update the LocalSettings.php file
• If migrating, copy the extensions, skins, images, media, Downloads directory from old wiki to new installed wiki.
• Install one extension at a time in extensions directory, and at the end of LocalSettings.php

Updated Extensions

I had to update several extensions to match the new format.

...

AWS

EC2

• Go for free-tier t2-micro with attached EBS drive (20GB)
• Set OS to Ubuntu Server 16.04.
• 
  ...
  

• Install MediaWiki on it, without data
• Install emacs
• Make an AMI out of it
• Move the images, extensions, skins, etc to newly installed MW.
• Install ddclient.
  ...
  

S3

• Create a bucket for backups
  ...
  

Backups

• Install duplicity and duply
• In the process create a GnuPG key for encryption of backups on S3
• All information in /home/ubuntu/.duply/test/conf
• Duplicity conf file:

...

• create script in /usr/local/bin, called backupDftWiki3MySql.sh to do mysqldump of MW to an sql file, and store it:

#! /bin/bash
# This will be called from a root cron job
mysqldump --user=thiebaut --password=xxxxxxxxxx dftwiki3 > /data/html/dftwiki3/backups/dftwiki3.sql 2> /dev/null
cd /data/html/dftwiki3/backups
gzip -f  dftwiki3.sql

Crontab

• Crontab runs as root

# ------------------------------------------------
# use mysqldump to dump mysql database for dftwiki3
# into a file called dftwiki3.sql in /data/html/dftwiki/backups
0 3 * * * /usr/local/bin/backupDftWiki3MySql.sh

# ------------------------------------------------
# use duplicity (via duply) to backup /data/html/dftwiki3's main
# directories to aws s3.  The configuration and information about
# which S3 bucket is in ~ubuntu/.duply/test/conf
0 4 * * * env HOME=/home/ubuntu duply test backup