Puppet Class: wikistats

Defined in:
modules/wikistats/manifests/init.pp

Overview

wikistats - a mediawiki statistics site

wikistats.wmcloud.org

This sets up a site with statistics about as many public MediaWiki installs as possible.

It runs on instance in the 'cloud VPS' project 'wikistats'.

You can control this instance via horizon.wikimedia.org if you are a member or admin of the project.

I will likely stay a labs project forever although results from it are used for some statistic tables inside Wikipedia and other WMF wikis.

If it goes down it would be missed but it will not cause any issues for production wikis. Just some outdated tables.

The matching software is in another repo: operations/debs/wikistats which you can clone from Gerrit.

git clone “gerrit.wikimedia.org/r/operations/debs/wikistats

Despite the repo name it is not an actual deb package any longer. It gets deployed by simple git clone of PHP files and a local deployment script that is also in the repo itself.

This started out as an external project to create wiki syntax tables for pages like “List of largest wikis” on meta and several similar ones for other projects

Not to be confused with stats.wikimedia.org and wikistats2 run by the WMF Analytics team.

To report bugs use phabricator.wikimedia.org and tag a ticket with 'VPS-project-Wikistats'.

Parameters:

  • jobs_ensure (Wmflib::Ensure)


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# File 'modules/wikistats/manifests/init.pp', line 40

class wikistats (
    Wmflib::Ensure $jobs_ensure,
){

    $php_version = debian::codename() ? {
        'stretch'  => '7.0',
        'buster'   => '7.3',
        'bullseye' => '7.4',
        default    => fail("unsupported on ${debian::codename()}"),
    }

    group { 'wikistatsuser':
        ensure => present,
        name   => 'wikistatsuser',
        system => true,
    }

    user { 'wikistatsuser':
        home       => '/usr/lib/wikistats',
        groups     => 'wikistatsuser',
        managehome => true,
        system     => true,
    }

    file { '/srv/wikistats':
        ensure => 'directory',
        owner  => 'wikistatsuser',
        group  => 'wikistatsuser',
    }

    # directory used by deploy-script to store backups
    file { '/usr/lib/wikistats/backup':
        ensure  => 'directory',
        owner   => 'wikistatsuser',
        group   => 'wikistatsuser',
        require => User['wikistatsuser'],
    }

    file { '/usr/local/bin/wikistats':
        ensure => 'directory',
    }

    # deployment script that copies files in place after puppet git clones to /srv/
    file { '/usr/local/bin/wikistats/deploy-wikistats':
        ensure => 'present',
        owner  => 'root',
        group  => 'root',
        mode   => '0544',
        source => 'puppet:///modules/wikistats/deploy-wikistats.sh',
    }

    # FIXME rename repo, it was a deb in the past
    # but not anymore and also not operations
    git::clone { 'operations/debs/wikistats':
        ensure    => 'latest',
        directory => '/srv/wikistats',
        branch    => 'master',
        owner     => 'wikistatsuser',
        group     => 'wikistatsuser',
    }

    $db_pass = fqdn_rand_string(23, 'Random9Fn0rd8Seed')

    # install a db on localhost
    class { 'wikistats::db':
        db_pass     => $db_pass,
        php_version => $php_version,
    }

    # location to dump as XML files
    file { '/var/www/wikistats/xml':
        ensure => directory,
        owner  => 'wikistatsuser',
        group  => 'wikistatsuser',
        mode   => '0644',
    }

    # add /usr/local/bin/wikistats/ to PATH for all users
    file { '/etc/profile.d/wikistats_path.sh':
        ensure => present,
        owner  => 'root',
        group  => 'root',
        mode   => '0644',
        source => 'puppet:///modules/wikistats/wikistats_path.sh',
    }

    class { 'wikistats::updates':
        db_pass     => $db_pass,
        ensure      => $jobs_ensure,
        php_version => $php_version,
    }
}